Relevant bibliographies by topics / Phosphatide concentrate

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Phosphatide concentrate'

Author: Grafiati
Published: 4 June 2025
Last updated: 23 June 2025

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Journal articles on the topic "Phosphatide concentrate"

1

Bliznjuk, Olga, Nataliia Masalitina, Liliia Myronenko, et al. "Determination of rational conditions for oil extraction from oil hydration waste." Eastern-European Journal of Enterprise Technologies 1, no. 6(115) (2022): 17–23. http://dx.doi.org/10.15587/1729-4061.2022.251034.

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As a result of oil hydration, waste is formed – phosphatide concentrate, which is a multicomponent system. Valuable components of the concentrate are vegetable oil and phosphatides, the separation of which is an urgent task for the industry. The process of treatment of sunflower phosphatide concentrate with citric acid (hydration) in order to more completely convert non-hydrated forms of phosphatides into hydrated ones and separate the oil from the concentrate was studied. A feature of the work is the study of the dependence of the yield and mass fraction of moisture in the extracted oil on the hydration process parameters. A sample of phosphatide concentrate with non-standard quality indicators according to SOU 15.4-37-212:2004 (CAS 3436-44-0) was studied: the mass fraction of moisture and volatile substances was 4.0 %, the mass fraction of phosphatides was 37.0 %. The concentrate was treated with citric acid solution at a temperature of 45 °C (10 % solution). Rational conditions for concentrate treatment were determined: duration (25 min) and citric acid concentration in relation to the mass of phosphatide concentrate (25 %). Under these conditions, the oil yield was 76.1 %, the mass fraction of moisture in the oil was 18.6 %. The indicators characterizing the suitability of the oil for consumption and its safety for the body are within the limits (acid value 3.7 mg KOH/g, peroxide value 5.1 ½ O mmol/kg) for the first-grade unrefined unwinterized sunflower oil according to DSTU 4492. Such oil can be used for refining, fatty acids and biodiesel production, and after additional purification – for processing into food products. The results of the study make it possible to use resources rationally and predict the yield and quality of the oil isolated from the phosphatide concentrate. The resulting oil can be an affordable raw material for various industries.
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Olga, Bliznjuk, Masalitina Nataliia, Myronenko Liliia, et al. "Determination of rational conditions for oil extraction from oil hydration waste." Eastern-European Journal of Enterprise Technologies 1, no. 6 (115) (2022): 17–23. https://doi.org/10.15587/1729-4061.2022.251034.

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As a result of oil hydration, waste is formed – phosphatide concentrate, which is a multicomponent system. Valuable components of the concentrate are vegetable oil and phosphatides, the separation of which is an urgent task for the industry. The process of treatment of sunflower phosphatide concentrate with citric acid (hydration) in order to more completely convert non-hydrated forms of phosphatides into hydrated ones and separate the oil from the concentrate was studied. A feature of the work is the study of the dependence of the yield and mass fraction of moisture in the extracted oil on the hydration process parameters. A sample of phosphatide concentrate with non-standard quality indicators according to SOU 15.4-37-212:2004 (CAS 3436-44-0) was studied: the mass fraction of moisture and volatile substances was 4.0 %, the mass fraction of phosphatides was 37.0 %. The concentrate was treated with citric acid solution at a temperature of 45 °C (10 % solution). Rational conditions for concentrate treatment were determined: duration (25 min) and citric acid concentration in relation to the mass of phosphatide concentrate (25 %). Under these conditions, the oil yield was 76.1 %, the mass fraction of moisture in the oil was 18.6 %. The indicators characterizing the suitability of the oil for consumption and its safety for the body are within the limits (acid value 3.7 mg KOH/g, peroxide value 5.1 ½ O mmol/kg) for the first-grade unrefined unwinterized sunflower oil according to DSTU 4492. Such oil can be used for refining, fatty acids and biodiesel production, and after additional purification – for processing into food products. The results of the study make it possible to use resources rationally and predict the yield and quality of the oil isolated from the phosphatide concentrate. The resulting oil can be an affordable raw material for various industries.
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Saveliev, Dmytro, Vasyl Rotar, Mikhail Kravtsov, et al. "Development of conditions for obtaining oil from sunflower oil hydration waste." Eastern-European Journal of Enterprise Technologies 2, no. 6 (128) (2024): 14–19. http://dx.doi.org/10.15587/1729-4061.2024.301418.

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The object of the study is the process of treatment of sunflower phosphatide concentrate using sodium chloride solution. Hydration is a stage of oil refining. The waste of the process is a phosphatide concentrate, the disposal of which is dangerous to the environment. The concentrate contains valuable components – oil and phosphatides. An important task is to separate these components for effective use in various industries. The process of extracting oil from phosphatide concentrate by hydration in the presence of sodium chloride solution was investigated. The influence of the concentrate treatment conditions on the oil yield was determined. A sample of concentrate according to SOU 15.4-37-212:2004 (CAS 3436-44-0) was used: mass fraction of moisture and volatile substances – 2.8 %, mass fraction of phosphatides – 41.5 %. The concentrate was treated with sodium chloride solution with a concentration of (5–20) %. The hydration time was 25 min., the temperature was 45 °C, and the mass ratio of the sodium chloride solution to the concentrate was 1:1. Conditions for the concentrate treatment were determined: the concentration of sodium chloride solution was 15 %, settling time was 5 hours. At the same time, the yield of oil was 86.9 %. The parameters of the extracted oil were determined: acid value 2.8 mg KOH/g, peroxide value 3.2 ½ O mmol/kg, mass fraction of moisture and volatile substances 0.12 %. According to these indicators, the extracted oil corresponds to first-grade unrefined unfrozen sunflower oil according to DSTU 4492. The mass fraction of phosphorus-containing substances in terms of stearooleolecithin was 1.7 %, which slightly exceeds the standard value. The research results make it possible to process hydration waste and obtain oil, which is a raw material for the products of many industries. This will help solve the problem of disposal of environmentally hazardous waste and improve the state of the environment
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Lavrova, I. О., I. M. Demidov, G. M. Cherkashina, V. V. Lebedev, and N. A. Zabiyaka. "Comparative analysis of the impact of synthetic additives and phosphatide concentrate on the adhesive properties of road petroleum bitumen." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 1 (March 2023): 18–25. http://dx.doi.org/10.32434/0321-4095-2023-146-1-18-25.

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The adhesive properties of brand BND 60/90 road bitumen with the oxidized phosphatide concentrate additive were studied. It was shown that the oxidized phosphatide increases the adhesive properties of bitumen brand BND 60/90. Oxidized phosphatide concentrate can be recommended as cost-effective alternative to expensive synthetic cationic surfactants, which are now widely used as adhesives for road bitumen. Based on the results of laboratory tests, the mathematical analysis of the obtained data was performed. Comparative graphs were plotted, and Pearson's correlation coefficients and the approximation reliability values were calculated. It was found that the optimal composition for creating effective bituminous compositions with an increased thermo-physical and adhesive characteristics is 0.6 wt.% of oxidized phosphatide concentrate.
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Oleksii, Papeikin, Safronov Oleg, Bodachivska Larysa, and Venger Irina. "SYNTHESIS AND PROPERTIES OF UREA GREASES BASED ON AMINOAMIDES OF PLANT OIL PHOSPHATIDES." Eastern-European Journal of Enterprise Technologies 4, no. 6 (106) (2020): 54–60. https://doi.org/10.15587/1729-4061.2020.210043.

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The possibility of using the wastes of the oil and fat industry &ndash; phosphatide concentrates as components of lubricating materials was demonstrated in this paper. At the first stage, amidation of phosphatide concentrate from the purification of rapeseed oil by ethylene diamine was carried out using two procedures: without a catalyst and with the use of reagent-catalyst CaO. The samples of urea greases were subsequently synthesized by interaction of amidated phosphatide concentrates with polyisocyanate in the oil media. Aminoamides of fatty acids with polyisocyanate form urea dispersion phase of thixotropic systems, and glycerolphosphatides and calcium glycerolrophosphatides perform the function of tribological additives. The method of infrared spectroscopy proved that the full interaction between polyisocyanate and amidated phosphatide concentrate takes place at the molar ratio of 1:3. Physicochemical properties of the developed urea greases were studied and comparative analysis of their quality indicators with the Maspol brand lubricant was performed. The synthesized urea greases are characterized by high mechanical (a change in penetrations after moving of 100,000 double cycles of 42&ndash;45&nbsp;mm&middot;10<sup>-1</sup>), colloidal stability (5.2&ndash;5.6&nbsp;% of extracted oil) and high-temperature properties (dropping point above 230&nbsp;&deg;C). In addition, these thixotropic systems are resistant to oxidation, do not cause corrosion of non-ferrous metals, and are able to operate in contact with water. Phosphorous residues improve the lubricating properties of synthesized compositions without any additional introduction of tribological modifiers (critical load is 980&ndash;1,039&nbsp;N, welding load &ndash; 1,568&ndash;1,744&nbsp;N). Due to the use of raw materials of plant origin in the composition of lubricating compositions, their biodegradation is enhanced by 6&ndash;7&nbsp;%
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Salomatin, Viktor, Ryshidy Murtazaeva, Aleksandr Varakin, and Valentina Kornilova. "INFLUENCE OF BISCHOFITE AND PHOSPHATID CONCENTRATE ON PORK PRODUCTIVITY." Bulletin Samara State Agricultural Academy 5, no. 2 (2020): 46–51. http://dx.doi.org/10.12737/37339.

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The aim of the research is improving pork of store pigs. During the scientific and economic experiment, four store pig groups of large white breed were marked during the feeding period. The influence of natural Volgograd bis-chofite and sunflower phosphatide concentrate both separately and mixed in diets was studied, on pork develop-ment from store pigs. The experimental store pig selection into groups was based on the method of pair-analogues. Animals of compared groups received complete feed: in the first period of feeding SK-6 and in the second period SK-7. Feeding results of experimental pigs of compared groups were evaluated by a number of indicators charac-terizing their meat qualities in total. The main indicators of pork are the hot carcass, slaughter weight and yield. It was found that the introduction to the complete feed natural bischofite and phosphatide concentrate individually, as components and in mixed complex, in comparison with the control, contributes accordingly slaughter live weight in store pigs fattening by 7.84 and 9.78 and 10.97%, their hot carcass – by 8.67, 10.37 and 11.92%, carcass exit – by 0.47-0.33 and 0.53% slaughter weight – by 8.97, 11.18 and 12.94% and slaughter yield – by 0.60, 0.80 and 1.10%. Protein content in the average sample of pork, when animals received test components was more, than in control one by 0.45, 0.25 and 0.63%. Store pigs, which used natural bischofite and phosphatide concentrate the absolute increase in live weight, was higher. Higher meat yield was received from fatted store pigs, with additional introduction to the main diet of natural Volgograd bischofite combined with sunflower phosphatide concentrate.
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Narizhny, Alexander, Abdulaziz Jamaldinov, Grigorii Pokhodnya, Yriy Breslavetz, and Pavel Breslavetz. "Increasing the reproductive function of boars by introducing phosphatide concentrate into their diet." BIO Web of Conferences 36 (2021): 06040. http://dx.doi.org/10.1051/bioconf/20213606040.

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As a result of a number of experiments and studies, it was found that the introduction of phosphatide concentrate in addition to the main diet of boars in the amount of 1.0; 2.0; 3.0% allows to increase the manifestation of sexual reflexes. Also, the inclusion of this concentrate increases both quantitative and qualitative indicators of the sperm of experimental boars, which in the experimental groups allows increasing the number of piglets at birth by 7.9; 18.9; 19.7%, respectively, while the cost of obtaining them is reduced by 7.3; 16.0; 16.5%, respectively, compared with the control group.
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Shulga, S. M. "The Development of Technology of Dry Lecithin Obtaining from Sunflower Phosphatide Concentrate." Nauka ta innovacii 8, no. 5 (2012): 62–71. http://dx.doi.org/10.15407/scin8.05.062.

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Tertyshna, O. V., and K. O. Zamikula. "The influence of vegetable additives on the flocculation of asphaltenes in oil dispersed systems." Science, technologies, innovation, no. 2(26) (2023): 56–63. http://dx.doi.org/10.35668/2520-6524-2023-2-07.

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The study examines the existing asphaltene flocculation inhibitors in oil dispersed systems — oil-soluble surfactants of various nature. It is proposed to use cheap surfactants of vegetable origin as flocculation inhibitors — phosphatide concentrate and sodium sulfosuccinate. The process of flocculation of asphaltenes on model mixtures of asphaltenes of different concentrations with toluene and precipitants, as well as the influence of the proposed inhibitors on the aggregative stability of the mixtures, was studied. The flocculation starting point (onset point) of each mixture was determined by the photocolorimetric method.
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Petik, Ihor, Olena Litvinenko, Serhii Stankevych, et al. "Determination of the cellulose- and lipid-containing components influence on the extrudate technological indicators." Eastern-European Journal of Enterprise Technologies 2, no. 6 (128) (2024): 6–13. http://dx.doi.org/10.15587/1729-4061.2024.301843.

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The effect of cellulose- and lipid-containing components on the technological parameters of the extruded mixture based on protein- and starch-containing raw materials on the technological parameters of the extrudate was studied. The use of components that modify such technological indicators of the extruded mixture as water resistance and swelling is substantiated. It is proposed to use sunflower husks and sunflower phosphatide concentrate as modifying additives to the mixture for extrusion. A rational ratio of the specified components in the extrudate was established to obtain indicators of water resistance in the range of 220...300 min and swelling in the range of 100...120 %. This is an important aspect of expanding the range of extruded products from the waste of oil and fat industries and obtaining high-quality competitive products. The object of the study is the dependence of water resistance and swelling of the extruded mixture on the content of modifying additives. Their rational ratio in the extrudate is: sunflower husk – 6.0 %; sunflower phosphatide concentrate – 5.0 %. The manufactured extrudate sample corresponds to commercial fish feed in terms of chemical composition and technological parameters, and also has a 4 times lower cost. A feature of the obtained results is the possibility of regulating the water resistance, swelling and porosity of the extrudate based on protein- and starch-containing raw materials, depending on the ratio of cellulose- and lipid-containing modifying additives. This allows to change the technological parameters of the finished product depending on the chemical composition of the mixture of raw components according to the requirements of the consumer. The results of the conducted research prove that cellulose- and lipid-containing secondary products of production can be successfully transformed into new competitive products
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Dissertations / Theses on the topic "Phosphatide concentrate"

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Moiseev, Igor V. "Effects of Whey Protein Concentrate, Phosphate, and Sodium Hydroxide On Texture and Acceptability of Turkey and Beef Rolls." DigitalCommons@USU, 1994. http://digitalcommons.usu.edu/etd/5399.

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Processed turkey rolls were prepared with 1 or 3% whey protein concentrates WPC-50 (pH=5. 8 0) , WPC-60 (pH=4. 53) and WPC-75 (pH=6.85) containing 50, 60 and 75% protein along with controls (phosphate and no phosphate) . Control rolls made with 0.5% phosphate had the highest bind strength, and sensory evaluation scores. Only WPC-75 (1%) was acceptable as a binding agent and flavor enhancer. WPC-60 reduced pink discoloration of rolls, but flavor, bind and cohesiveness scores were unacceptably low. WPC-50 was not an effective binding agent. In general, rolls made with 3% WPC had lower scores for intensity of turkey flavor. Bind strength and sensory characteristics were compared for restructured beef rolls formulated with 1% salt, 0.375% sodium tripolyphosphate (STPP) or 0.07% sodium hydroxide (NaOH), and 5, 10 or 20% added water. Controls also had 1% x salt, but no STPP or NaOH. Relative bind strength of rolls was STPP > NaOH > controls. Addition of 20% water reduced bind strength. Cooked yield, moisture content, beef flavor and texture of NaOH rolls were similar to STPP rolls. Bind strength and cohesiveness of NaOH rolls were lower than STPP rolls, but still acceptable. For measuring bind strength of turkey and beef rolls, a sensitive and inexpensive penetrometer was developed. It was equipped with a top-loading balance, accessories, IBM-compatible personal computer and Quick-Basic program that allowed continuously collected penetration force data. at specific time intervals. Penetrometer bind strength and taste panel cohesiveness of turkey and beef rolls were highly correlated (r=0.89 and r=0.93, respectively).
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Bandara, A. M. T. S. "Comparative solubility and leaching studies relevant to hydrometallurgical processing of rare earth phosphate concentrates containing fluorapatite." Thesis, Bandara, A.M.T.S. (2017) Comparative solubility and leaching studies relevant to hydrometallurgical processing of rare earth phosphate concentrates containing fluorapatite. PhD thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/38248/.

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Highly technological applications and scarcity of supply have inspired the recovery of rare earth elements (REEs) from various resources. Many rare earth phosphate mineral concentrates are associated with fluorapatite (FAP). An acid pre-leach is required to selectively leach the FAP fraction as calcium salts, phosphoric acid and hydrofluoric acid prior to the sulphuric acid digestion to avoid the interference of calcium and other impurities in the downstream processing steps of the acid baked product, rich in REEs. Hence, investigation of the dissolution kinetics of FAP and solubility of trivalent rare earth metal ions and other major and minor impurities in different acid-sulphate solutions systems are important areas of current research. This thesis focused on (i) the solubility of REEs using pure perchlorate/sulphate and mixed RE-carbonate salts in acid-salt mixtures and synthetic process liquors and (ii) dissolution kinetics of phosphate, fluoride and major, minor and trace metal ions from a rotating disc of FAP and particles of FAP and a RE-phosphate concentrate. The strong and weak acids tested included perchloric, hydrochloric, sulphuric, nitric and phosphoric acids as well as weak organic acids. The feed materials, leach liquors and residues were characterized using standard analytical methods and the results were explained on the basis of reaction stoichiometry, equilibria and kinetic models. The main findings from the solubility studies are: (i) the precipitation of hydrated RE(III)-sulphate and Na-RE(III)-sulphate salts in different solution media, (ii) the formation of sulphate complexes of RE(III), aluminium and iron(III) based on Raman spectroscopic studies, and (iii) the negative impact of high pH and high temperature on the solubility of REEs in sulphate media. The rotating disc dissolution of FAP and particle leaching of FAP and RE-phosphate concentrate highlighted that the FAP dissolution is affected by the proton activity and the association of calcium ions with anions to form complex species and insoluble product layers, which in turn affect the diffusion or chemically controlled dissolutions of cations and anions from FAP and the phosphate concentrate. The comparative study based on different acid concentrations, temperatures and pulp density showed the advantages of using phosphoric acid for pre-leaching FAP from the phosphate concentrate to minimize REE leaching. Keywords: Rare earth phosphate, natural fluorapatite, characterization, acid pre-leach, solubility, complex species, kinetic models
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Gomez, Salvador Gustavo. "Protein Phosphatase 1 Concentrates at the Base of Sensory Hair Cell Stereocilia, Where it May Function in Stereocilia Cytoskeletal Structure." Ohio University Art and Sciences Honors Theses / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ouashonors1556276688823712.

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Christiansen, Michael Lee. "Gastrointestinal acidity, protein and starch digestibility and amino acid absorption in ruminants fed a high-concentrate diet with limestone, magnesium oxide or defluorinated phosphate." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/54321.

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Twelve wether lambs (32kg) with abomasal and ileal cannula were fed a 90% concentrate basal diet (800 g/d), basal + 1.5% magnesium oxide (MgO)(812 g/d), basal + 1.5% limestone (812 g/d) or basal + 3.0% limestone (824 g/d) to study the effect of·these minerals on intestinal pH, rumen fermentation, N balance, dry matter and crude protein digestibility (DMD, CPD), and small intestinal disappearance of amino acids (AAD). Limestone (3%) increased (P < .03) rumen pH. Magnesium oxide increased (P < .10) ileal and fecal pH. Limestone significantly increased N absorption and pre-abomasal DMD, but decreased (P < .03) AAD. N retention was not improved by the treatments. An 82-d feeding trial was conducted with 72 wether lambs (avg initial wt: 28 kg) to study the effect of 1 or 3% fine (70% < 53 µ) or coarse (85% > 425 µ) limestone on rumen environment, weight gain and feed efficiency of lambs fed an all-concentrate diet. Rumen pH and VFA molar proportions were not affected by the treatments. Limestone (3.0%) decreased (P < .10) total rumen VFA concentrations and increased (P < .10) fecal pH. Weight gain was not different (P > .10) among the treatments. Coarse limestone increased (P < .10) feed efficiency. Five Angus heifers (285 kg) with duodenal and ileal cannulae were fed a 90% concentrate control diet (7.5 kg/d) or the same diet containing 1.60% defluorinated phosphate-regular (5.5%, 19.0% and 33.0% on 1400, 1180 and 850 µ sieves, respectively, DRP-R), 1.60% defluorinated phosphate-coarse (85% evenly among large sieves, DRP-C), 1.28% limestone or .5% MgO to study the effect of limestone or MgO on intestinal pH, DMD, starch digestibility (SD), CPD and AAD in beef cattle fed a high-concentrate diet. Ileal pH was increased by MgO. Fecal pH was increased (P < .05) as follows: MgO > DRP > limestone and control. Minerals increased (P < .05) duodenal liquid flow. Limestone and DRP-C increased (P < .05) acid flow to the duodenum. Total tract DMD, SD and CPD were similar among treatments. Limestone and DRP-R increased (P < .10) AAD. DRP-C tended to increase AAD, but differences were not statistically significant.<br>Ph. D.
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Aroua, Mohamed Kheireddine. "Analyse des réactions chimiques et électrochimiques dans les milieux concentres en acide ou en sel à partir de la mesure de l'activité en eau : application aux milieux engageant l'acide phosphorique." Nancy 1, 1992. http://www.theses.fr/1992NAN10153.

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Le diagramme potentiel-ph généralise dans les milieux acide phosphorique partiellement neutralisés par la soude a été établi par voie électrochimique et exploité pour étudier la variation de réactivité des espèces ioniques lorsque l'on passe de l'eau ou de l'acide non neutralisé à ces milieux. Les valeurs des coefficients de transfert de solvatation ont été utilisées pour prévoir l'évolution des constantes thermodynamiques de plusieurs réactions chimiques et électrochimiques au cours de la neutralisation. Une nouvelle méthode de mesure du niveau d'acidité dans ces milieux est présentée. La loi de zdanovskii a été appliquée pour la première fois pour calculer le niveau d'acidité de mélanges de solutions d'acides concentrées. Les fonctions d'activité en eau relatives aux réactions redox engageant le ferrocéne d'une part et des systèmes minéraux d'autre part ont été établies. Elles permettent de préciser les solvatations spécifiques des espèces ioniques dans les acides phosphorique, chlorhydrique, nitrique et de prévoir la quantitativité de nombreuses réactions dans les milieux présentant la même activité en eau. Ces raisonnements ont été appliqués a la flottation ionique du cadmium par le dithiophosphate de sodium et du baryum par le laurylsulfate de sodium
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Santos, Jacinta Maria Azevedo dos. "Phosphate and Iron Recovery from a Vivianite-Rich Concentrate Produced from Digested Sewage Sludge." Master's thesis, 2019. https://hdl.handle.net/10216/123386.

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Books on the topic "Phosphatide concentrate"

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Zaman, Abbas A. Rheological evaluation and control of flow behavior of concentrated phosphate mineral slurries: Final report. The Institute, 1999.

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Hansen, J. P. Removal of magnesia from dolomitic southern Florida phosphate concentrates by aqueous SO₂ leaching. U.S. Dept. of the Interior, Bureau of Mines, 1985.

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Phosphates of America: Where and How They Occur; How They Are Mined; and What They Cost. with Practical Treatises on the Manufacture of Sulphuric Acid, Acid Phosphate, Phosphoric Acid, and Concentrated Super-Phosphates, and Selected Methods of Chemica. Creative Media Partners, LLC, 2022.

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Phosphates of America: Where and How They Occur; How They Are Mined; and What They Cost. with Practical Treatises on the Manufacture of Sulphuric Acid, Acid Phosphate, Phosphoric Acid, and Concentrated Super-Phosphates, and Selected Methods of Chemica. Creative Media Partners, LLC, 2018.

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Book chapters on the topic "Phosphatide concentrate"

1

Nakamori, Nami, Nobuyuki Nishimiya, Takeshi Toyama, and Brahim Elouadi. "Preparation of Various Highly Concentrated Phosphate Solutions by CO2 Gas Blowing." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118491638.ch15.

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Gomez, A. Terreros, B. J. Rubio Retama, B. Lopez Ruiz, et al. "Encapsulation of alkaline phosphatase in polyacrylamide microparticles using the concentrated emulsion polymerisation method." In Trends in Colloid and Interface Science XVI. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b11755.

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Gomez, A. Terreros, B. J. Rubio Retama, B. Lopez Ruiz, et al. "Encapsulation of alkaline phosphatase in polyacrylamide microparticles using the concentrated emulsion polymerisation method." In Trends in Colloid and Interface Science XVI. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-36462-7_38.

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Demol, John, Elizabeth Ho, and Gamini Senanayake. "Sulfuric Acid Baking and Leaching of Rare Earth Elements, Thorium and Phosphate from a Monazite Concentrate." In The Minerals, Metals & Materials Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95022-8_197.

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Asatova, Saodat, and Olga Myachina. "Influence of Concentrated Slow-Acting Phosphate Fertilizers on the Growth Dynamics and Development of Plants and Cotton Yield." In Fundamental and Applied Scientific Research in the Development of Agriculture in the Far East (AFE-2022). Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-37978-9_61.

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Lee, Eldon C. H. "Synthesis ofL-Ascorbic Acid and Its 2-Phosphate and 2-Sulfate Esters and Its Role in the Browning of Orange Juice Concentrate." In ACS Symposium Series. American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1994-0546.ch033.

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Denk, Florian, Patrick Wiechers, Lukas Lödige, et al. "Concept for Direct Recycling of Battery Electrodes and Recovery of Active Material." In Zukunftstechnologien für den multifunktionalen Leichtbau. Springer Fachmedien Wiesbaden, 2024. https://doi.org/10.1007/978-3-658-45889-8_1.

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AbstractTo achieve the goal of sustainable and competitive production of battery electrodes, the integration of recycling approaches into the product life cycle is becoming increasingly important. In addition to the fixed recycling quotas for end-of-life batteries, which are legally stipulated for the future, production scrap also plays a decisive role.Production scrap is a result of quality requirements, which are directly correlated to production parameters. As a result, up to 40% of the material used in battery cell production is scrap, which also needs to be recycled to close the value chain. Currently, there are two established processes for recycling the functional materials of lithium ion batteries (LIBs), namely pyrometallurgical and hydrometallurgical recycling. An alternative process, which is not yet established due to the complexity of the physical and chemical relationships, is direct battery recycling. This function-preserving recycling enables a direct return to the LIBs value chain while simultaneously processing the materials in an environmentally friendly and resource-saving manner. Therefore, this paper presents technological approaches in the form of a process chain for the direct recycling of active materials (lithium iron phosphate and graphite) in order to significantly improve the battery sustainability. Anode layers with defined structural properties are treated in the process chain consisting of decoating, dispersing and thickening.Initial tests have looked at two different decoating methods. The mechanical removal of anode active material from the collector foil using brushes and removal in a high-power ultrasonic bath are demonstrated. Furthermore, the process for the preparation of the recyclate is presented. This involves dispersing the decoated material to break up large agglomerates. Finally, the anode suspension is thickened so that the concentrate has the same solids concentration as a newly produced paste.
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Herz, Norman, and Ervan G. Garrison. "Soil Phosphate in Archaeological Surveys." In Geological Methods for Archaeology. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195090246.003.0014.

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It has long been recognized that human activity chemically modifies the composition of the soil. This is especially true around ancient settlements that were occupied for relatively long periods of time. In areas that humans have inhabited, soil fertility is higher than in uninhabited areas because of an increase in plant nutrients derived from human and animal waste. Deep dark soils that contrast with neighboring lighter colored soils can define areas of intensive occupation with great precision. Phosphate (PO4-3), an important plant nutrient, is highly concentrated at ancient sites and makes for an increased soil fertility. Arab farmers in the Near East have been known to use soils excavated from archaeological sites to fertilize their agricultural land. The soil phosphate has been derived from animal and human excreta and bones and dead bodies. Phosphate will be especially concentrated where animals have been enclosed. Phosphate found in the soil can be bound chemically in a variety of ways. Since the soil is a dynamic system, its physical and chemical nature will constantly alter over time depending on local and temporal equilibria conditions. The first studies of soil phosphate were by agronomists as a tool for agriculture. The observation that human occupation increased the phosphate concentration was noted at least by 1911 in Egypt as a result of agronomic studies. O. Arrhenius, a Swedish agronomist, made the first attempt to apply phosphate studies to archaeology, in a series of papers beginning in 1929. He concluded that phosphate concentrations could be used to locate abandoned settlement sites, even where no visible evidence remained. Thus, the initial application of soil phosphate analysis to archaeology was as a geochemical exploration tool to locate ancient settlements. Human occupation should increase not only the phosphate found in the soil but also the nitrogen and carbon. These additions result from the decomposition of organic matter, principally human and animal remains and excreta. In desert or agricultural land, phosphorus in the soil ranges from 0.01% to 0.2% in the uppermost 10 cm and nitrogen ranges from 0.1% to 1%.
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Nanny, Mark A., and Roger A. Minear. "31P FT-NMR of Concentrated Lake Water Samples." In Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.003.0020.

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The use of phosphorus-31 Fourier Transform nuclear magnetic resonance (31P FT-NMR) spectroscopy for the study of dissolved organic phosphorus (DOP) in fresh water has been recently established by Nanny and Minear. The fact that NMR is an element-specific technique, is nondestructive, and has the ability to differentiate between similar phosphorus compounds makes it invaluable for the identification and characterization of DOP. Such information regarding DOP is required in order to understand aquatic nutrient cycling. The difficulty with using 31P FT-NMR spectroscopy for such studies is the extremely low DOP concentration; usually ranging from &lt; 1 μg P/L in oligotrophic lakes to approximately 100 μg P/L for eutrophic systems. Nanny and Minear raised the DOP concentration into the NMR detection range, which is on the order of milligrams of phosphorus/liter, by concentrating large volumes of lake water with ultrafiltration (UF) and reverse osmosis (RO) membranes. Volume concentration factors of several ten thousand fold provided DOP concentrations of up to 60 mg P/L. Other DOP concentration methods such as anion exchange, lanthanum hydroxide precipitation, and lyophilization require severe chemical and/or physical transformations of the sample and/or they need long processing times, all of which increase the risk of DOP hydrolysis. Sample concentration with UF and RO membranes does not require the sample to undergo these major changes and is also a relatively rapid concentration method. In addition to these concentration capabilities, the use of ultrafiltration and reverse osmosis membranes permitted fractionation of the DOP samples according to molecular size. Nanny and Minear used three membranes in series with decreasing pore size: 30kDa (kilodaltons), 1 kDa, and RO (95% NaCl rejection) to separate the high-molecular-weight, intermediate-molecular-weight, and low-molecular-weight DOP species. In the intermediate-molecular-weight fraction, Nanny and Minear observed the presence of monoester and diester phosphates. Spectra from ten samples collected over a year typically consisted of a large broad signal in the monoester phosphate region spanning from a chemical shift of 2.00 ppm to −0.50 ppm. The maximum of this signal was usually in the range of 1.00 to 1.50 ppm. This broad signal had a shoulder in the diester phosphate region which sometimes was intense enough to appear as an individual signal.
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Grahame Hardie, D. "Analysis of signal transduction pathways using protein—serine/threonine phosphatase inhibitors." In Protein Phosphorylation. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780199637294.003.0003.

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Abstract A widely used approach for studying protein phosphorylation is the pharmacological one, i.e. to study the effects of cell-permeable inhibitors or activators of the enzymes which catalyse changes in phosphorylation. In Chapter 2 the use of protein kinase activators and inhibitors is discussed. Over the past 10 years, a number of potent, cell-permeable protein phosphatase inhibitors have also become available, and their impact has been considerable. Their applications may be summarized as follows: (a) Improving the specificity of protein phosphatase assays in cell-free extracts. This approach is discussed in Chapter 7, and the present chapter will concentrate instead on their uses in intact cell studies.(b) Provision of initial evidence that a physiological system is regulated by protein phosphorylation. This is particularly valuable in the case of a system where the major components are not well characterized, in which case more direct methods for the study of protein phosphorylation cannot be utilized.(c) In cases where the role of protein phosphorylation is already established, the inhibitors may in some cases be used to identify the protein phosphatase(s) active against particular substrates in intact cells.
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Conference papers on the topic "Phosphatide concentrate"

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Robinson, James O. "Water Treatment for Industrial Boilers with Demineralized Feedwater." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97461.

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Abstract Despite using demineralized feedwater, water related tube failures still occur in some industrial boilers. The failures occur due to overheating or corrosion. The corrosion may be either caustic or acidic attack. These tube failures can be avoided by employing water treatment programs that minimize deposition and maintain boiler water chemistry that does not become aggressive to the boiler steel when it is concentrated. The best boiler water chemistry to maintain, congruent phosphate-pH treatment, equilibrium phosphate treatment or phosphate treatment, depends on individual system operating conditions. Experience indicates that boiler deposition and boiler water chemistry control are the most significant factors affecting boiler tube failures.
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Zeller, Robert L., and Lawrence Salvati. "Electrochemical Corrosion Testing of Electroless Nickel in 50% NaOH." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93033.

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Abstract Nickel and electroless nickel (EN) coatings have found extensive use in caustic soda service. The corrosion resistance of the EN coatings depends on its phosphorus content, however, not in the trend expected. High phosphorus EN coatings have a poorer corrosion resistance in hot, concentrated NaOH than low and medium phosphorus EN coatings, which have a corrosion resistance comparable to nickel. The purpose of this research was to quantify the effect of phosphorus in EN coatings on its corrosion resistance in room temperature 50% NaOH. Electrochemical techniques were used to investigate the corrosion processes and X-ray Photoelectron Spectroscopy was used to characterize the surfaces of the coatings. Very low corrosion rates were measured (&amp;lt;2 μm/yr or less) for all coatings. It is proposed that the detrimental effect of phosphorus in EN coatings exposed to a concentrated caustic soda environment is due to the higher solubility of nickel phosphate relative to nickel hydroxide/oxide. This mechanism predicts an inverse relationship between the thickness of the corrosion protecting film on EN and its phosphorus content, which is consistent with experimental observations.
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Toyoda, Takehiro, Yoshiyasu Kushima, Koji Watanabe, and Toshiyuki Sunaba. "Corrosion under Insulation: Case Studies and Challenges in the Use of Corrosion Inhibitors." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20778.

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Abstract Corrosion Under Insulation (CUI) is a significant concern in the oil and gas industry. This paper presents several case studies of CUI, including instances of External Chloride Stress Corrosion Cracking (ECSCC). In our facilities, applying insulation material sprayed with a specific corrosion inhibitor to the internal surface is considered a temporary solution for equipment where CUI is a concern due to damaged coatings. In our previous study, this non-combustible corrosion inhibitor containing phosphate and nitrite showed effective corrosion inhibition in carbon steel even when rusted. However, we considered that an Active Path Corrosion can be occurred under loaded stress portions. To replicate chloride-concentrated environments under insulation, a 70-day immersion test was conducted using U-bend type test specimens of carbon steel in a NaCl solution with the inhibitor. The tested specimens with the inhibitor maintained a metallic appearance without stress corrosion cracking. However, crevice corrosion was observed. These results suggest that the corrosion inhibitor may have limited effectiveness in chloride-concentrated environments. We concluded that it is beneficial to perform cleaning before applying the insulation with corrosion inhibitor and to implement other permanent measures before chloride concentration significantly increases.
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Alves, Helena, Friedrich Stenner, D. C. Agarwal, and Antoine Hoxha. "Alloys Suitable for Phosphoric Acid Applications." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06221.

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Abstract More than 95% of the world demand for phosphoric acid is met by the wet-process, which involves the reaction of the phosphate rock with concentrated sulfuric acid. Pure phosphoric acid is only mildly corrosive to metals. However, the presence of impurities in the phosphate ores like chlorides, fluorides and silicates and the free sulfuric acid lead to complex corrosive conditions. The level of impurity depends on the origin of the phosphates and their processing, e.g. washing the ores with sea water further increases the level of chlorides. The corrosive attack is further aggravated by erosion resulting from the presence of phosphate rock particles and gypsum crystals, turbulence and deposit formation. Equipment for production and handling of phosphoric acid typically consists of rubber lined steel, AISI 316L type stainless steel and special steels like 904L and 28. For the most severe conditions nickel based alloys are used. Even though material selection has been continuously optimized, sufficient advantage is not being taken from the new, cost-effective 6%-molybdenum alloy 31 (UNS N08031) yet. This high Cr and Mo containing austenitic steel was designed to fill the gap in cost and performance between stainless steels and nickel alloys and significantly improves service life and reduces failure by localized corrosion when its lower alloyed counterparts are at the end of the usefulness limits. This work reports on the success achieved with alloy 31 in critical parts of the phosphoric acid process. Laboratory results are presented together with field experience and examples of application.
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Thomas, Brian, and D. C. Agarwal. "Successful Replacement of Alloy 30, UNS N06030 with Alloy 31, UNS N08031 at a Phosphoric Acid Plant." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07216.

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Abstract In the fertilizer industry, phosphoric acid, ammonia and their derivatives along with potassium compounds are the major fertilizers providing the necessary soil nutrients for the agricultural industry. Ammonia, superphosphates, phosphoric acid and potassium chloride become the building blocks of the fertilizer industry and from these basic materials, hundreds of different formulations are produced to fit the individual soil and crop needs such as DAP (di-ammonium phosphate) and MAP (mono-ammonium phosphate) and others. More than 95% of the world's phosphoric acid production is by the wet acid process, balance being "furnace acid grade for food and other additives. Almost 100% of this wet process acid is used in the manufacture of various fertilizers. Wet phosphoric acid manufacturing appears to be relatively simple involving the reaction of phosphate rock with concentrated sulfuric acid yielding phosphoric acid (26 to 28% P2O5) and calcium sulfate slurry, followed by filtration of the acid slurry to remove particulate matter, followed by concentration and purification of the phosphoric acid. Even though the process appears to be relatively simple and straightforward, severe erosion / corrosion problems have been encountered. Erosion is caused by particulate matter of phosphate rock and gypsum solids moving at high velocities whereas corrosion is due to the presence of sulfuric acid, phosphoric acid, hydrofluoric acid, hydrofluosilisic acid, chlorides, fluorides, organic compounds and oxidizing species such as ferric ions and other corrodents which can dramatically affect the active / passive behavior of metals and alloys used in this industry. The recent trend to increase the concentration of the final product involves use of higher operating temperatures, which increases the severity of the corrosive environments. This paper presents data, both lab and field, on some of the typical alloys and various components used in this industry to combat the corrosion problems with special emphasis on a newly developed super-austenitic high chromium 6 Mo alloy 31, UNS N08031 which has helped to solve/mitigate both the erosion and corrosion problems in this industry in a cost effective manner, both in USA and abroad (Morocco, Jordan, Israel). This alloy has successfully replaced alloy UNS N06030 in the author’s plant in Rock Springs, Wyoming and for the last three years has been performing exceedingly well.
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Tran, Anh T. K. "Phosphate Pre-Concentrate from Wastewater for Phosphate Recovery by Selectrodialysis." In 2016 3rd International Conference on Green Technology and Sustainable Development (GTSD). IEEE, 2016. http://dx.doi.org/10.1109/gtsd.2016.23.

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Gupta, Amit. "Slurry Pipelines: An Economic Solution to Transportation of Minerals and Materials." In ASME 2013 India Oil and Gas Pipeline Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/iogpc2013-9850.

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Slurry pipelines find a special place in industrial applications which require transportation of solid particles through a pipeline. Flow-ability of these solid particles is achieved by mixing and suspending them in water or other carrier fluids. Slurry pipelines are characterized with cost effectiveness for long distances, reliability, low maintenance, low air &amp; noise pollution. Importantly it is eco-friendly and does not affect the environment. Over the past 5 decades, slurry pipelines have proven its effectiveness in cost saving for long distance transportation, safe handling and high reliability. Since the inception of long slurry pipelines in 1957 in Ohio to transport coal, gradually over the period, new technologies in slurry transportation has made it possible to transport minerals and materials over long distances safely and effectively. Many materials such as coal, iron concentrate, phosphate concentrate, copper concentrate, zinc concentrate, lead concentrate, nickel concentrate and limestone have been transported successfully over long distances. The long distance slurry pipelines have certain disadvantages in terms of high initial capital investment, the carrier fluid availability, and importantly it is feasible in areas wherein rail and road transport is not well developed. Most of the mineral concentrates require a beneficiation step that involves grinding of the ore to a very fine size in order to achieve good recovery. This is a wet process and the size of the product is generally suitable for long-distance pipeline transportation. In particular for coal transportation, the drying cost is add-on cost. These all requirements contribute to the transportation cost and make it uneconomical for short distances. Therefore for slurry pipelines to be economic, the distance of transportation will have to be long. In recent times, polyethylene pipes have proven to be very cost effective to transport copper, iron ore, phosphates and gold concentrates. They have high resistance to slurry abrasion, prolonged wear life, high ductility and toughness properties. Pumps are developed to handle high pressures of up to 250 bars and facilitated pumping of solid concentration of 60 to 65% weight. Some alternate carrier fluids result in higher concentrate carrying capacity. Slurry pipelines have proven its high economy and feasibility to operate over long distances. With many developments underway, slurry pipelines will pave way to decrease the load and dependency on rail and roads.
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Chuang, P., M. A. Advincula, and H. H. Lu. "Calcium phosphate coating on tendons via concentrated simulated body fluid soaking." In 2010 36th Annual Northeast Bioengineering Conference. IEEE, 2010. http://dx.doi.org/10.1109/nebc.2010.5458146.

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Aperador, R., R. Navarro, G. Navio, and J. Acosta. "PREPARATION AND CHARACTERISTIC OF A F-IX CONCENTRATE TREATED WITH TRI-(N-BUTYL) PHOSPHATE (TNBP) AND TWEEN-80." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644847.

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This paper describes a method of preparation of F-IX concentrate, which uses 0,3% TNBP and 1% Tween-80,6 h, treatment to reduce the risk of transmitting viruses. The treated material was batch wise adsorbed on DEAE-Sephadex, washed and the F-IX concentrate was eluted with buffer on higher ionic strenghtWe have tested the effect of TNBP/Tween 80 treatment on the activity of coagulation factors as well as on trombogenicity, molecular filtration, and immunological assays
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Cascar, J. M., and J. L. Kavarro. "ARACHIDGIIC ACID METABOLISM II PLATELETS STORED FOR FIVE DAYS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644685.

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Arachidonlc acid (AA) netabolisn has been extensively studied in fresh platelets, but there Is little infomation available for stored platelets . we stored platelets in CLI bags far five days at 22+/-2°C and, on days 0, 3 and 5, six si of platelet concentrate were revved from the container and platelets were labeled with (C-14J-AA. Both incorporation and distribution of radiotracer sere studied in rest and thrcnfcln stivlated platelets.Total uptake of, (C-14)-AA dropped fron day 0 to 5 (p 0.01). Distribution oh day 0 was sinilar to fresh platelets. Incorporation of (C-14)-AA on phosphatidyl inositol (FI) decayed fron 12.4+/-1.5 on day 0, to 7.9+/-0.9 on day 3 (p 0.001), While the percentage attached on phosphatidylserine (PS),increased fron 5.3+/-0.9 to 8.8+/-1.5 (p 0.001). There were not any changes fron day 3 to 5.On day 0,17.7+/-5.2X of radiactlvity was released fron phospholipids by thronbin. This anount decreased to 7.3+/-2.5X (p 0.01) on day 5. I^xaiment in breakdown of both PI and phosphatidylcholine (PC) was detected. Generation of phosphatidic acid (PA) by thronbin, decreased fron 2.6+/-0.4X of total radiactlvity on day 0 to 1.4+/-0.3X on day 3 (p 0.001) and 0.9+/-0.2X on day 5 (p 0.01). Ve did not find changes in TxB2 and HHT, but HETE decayed fron 7.2+/-2.9X on day 0, to 2.3t/-0.9% on day 5 (p 0.01).We concluded that both activities of phospholipases A-2 and C are affected by storage.
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Reports on the topic "Phosphatide concentrate"

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Rupke, Andrew, Stephanie E. Mills, Michael D. Vanden Berg, and Taylor Boden. Utah Mining - 2023 Metals, Industrial Minerals, Uranium, Coal, and Unconventional Fuels. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/c-138.

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2023 Utah Mining Industry Summary The estimated combined value of Utah’s extractive resource production in 2023 totaled approximately $10.1 billion, including production of metals and industrial minerals ($4.0 billion), natural gas and natural gas liquids ($2.1 billion), crude oil ($3.8 billion), and coal ($314 million) (Figure 1). Utah’s diverse mining industry (metals, industrial minerals, and coal) accounted for $4.3 billion (42%) of total extractive resource production, a significant decrease of $531 million from the 2022 revised value (nominal dollars) and lower than peak values reached in 2011 ($5.3 billion, nominal dollars). Mining activities in Utah currently produce base metals, precious metals, industrial minerals, and coal (Figure 2). Base metal production contributed $1.9 billion and included copper, beryllium, molybdenum, and iron (Figure 3). Notably, copper alone accounted for 65% ($1.4 billion) of Utah’s metal production value. Precious metals produced in Utah include gold and silver, and 2023 production was valued at $250 million (Figure 3). Precious metal production value decreased 19% from 2022 to 2023, primarily due to less gold production, and base metal value decreased 16%, primarily due to less copper production. Industrial minerals produced in Utah include sand and gravel, crushed stone, salt, potash, cement, lime, phosphate, lithium, uintaite (Gilsonite®), clay, gypsum, and other commodities (Figure 2). The estimated value of industrial mineral production in 2023 was $1.9 billion (Figure 3), a 4.2% increase over the revised 2022 estimate. The most valuable industrial mineral group in 2023, estimated at $570 million, was construction material commodity group which includes sand and gravel, crushed stone, and dimension stone. The value of Utah coal production decreased 39% in 2023 to $314 million; production was much lower in 2023, and the average price also decreased (Figure 3). Notably, Utah is the only state to produce beryllium concentrate, potassium sulfate, and uintaite (Gilsonite®); of these commodities, beryllium, was included in the U.S. Geological Survey’s (USGS) 2022 list of critical minerals (U.S. Geological Survey, 2022). Lithium, also considered a critical mineral, has been produced in Utah since 2020, making Utah one of only two lithium-producing states. Throughout this report, production is designated in US short tons (t) or million short tons (Mt) unless otherwise indicated.
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