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Journal articles on the topic 'Phosphatide concentrate'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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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 th

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2

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

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3

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 trea

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4

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 approx

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5

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 – 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 ph

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6

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 p

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7

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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8

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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9

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

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10

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 w

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Turaev, Abbaskhon S., Dilafruz S. Sagdullaeva, Dilnoza S. Salikhanova, et al. "Production of cotton phosphatide concentrate as a surfactant to increase the flowability of high-viscosity oils through pipeline." Processes of Petrochemistry and Oil Refining, no. 02 (2025): 606. https://doi.org/10.62972/1726-4685.2025.2.606.

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12

Nadarinskaya, M. A., O. G. Golushko, A. I. Kozinets, and M. P. Kuchinsky. "SECONDARY PRODUCTS OF PROCESSING OIL PRODUCTION IN CATTLE FEEDING." Ecology and Animal World, no. 2 (December 11, 2021): 32–40. http://dx.doi.org/10.47612/2224-1647-2021-2-32-40.

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The aim of the work was to study the effectiveness of the inclusion of secondary products of oil production from rapeseed in the diets of young cattle. The research was carried out in the RDUE "ZhodinoAgroPlemElita" of the Smolevichi district of the Minsk region for three months. The qualitative and energetic composition and characteristics of a new fodder source, as a raw material after the separation of oilseeds of rape, have been studied. The efficiency of enrichment of mixed fodders with rapeseed soap stock and feeding it in the composition of mixed fodders for young cattle in the amount o

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13

Bilyk, Olena, Yulia Bondarenko, Oksana Kochubei-Lytvynenko, and Liudmyla Burchenko. "Development of a recipe for a multicomponent mixture "Solodok +" to improve the consumer properties of bakery products." ScienceRise, no. 6 (December 30, 2021): 18–24. https://doi.org/10.21303/2313-8416.2021.002235.

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The object of research is the technology of bakery products enriched with a mixture of germinated grains of wheat, corn, barley and oats. Investigated problem: The problem of using a mixture of germinated grains is the formation of a closure sticky crumb in baked goods with a mixture. The reason for this is the high activity in the mixture of amylolytic and proteolytic enzymes. The solution to the problem consists in the developed multicomponent mixture (MM) to improve the consumer properties of bakery products, the formulation of which includes 15 % of the flour mass of the germinated grain m

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14

Sperlich, A., D. Warschke, C. Wegmann, M. Ernst, and M. Jekel. "Treatment of membrane concentrates: phosphate removal and reduction of scaling potential." Water Science and Technology 61, no. 2 (2010): 301–6. http://dx.doi.org/10.2166/wst.2010.800.

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The widespread application of nanofiltration (NF) and reverse osmosis (RO) membranes in wastewater reuse inevitably generates a concentrate stream. Due to high concentrations of phosphate and salts, disposal of membrane concentrates is a problem which seriously constrains the application of this technology, especially in inland applications. There is a need for technologies which facilitate an affordable and environmentally-safe disposal of membrane concentrates. The objectives of this study are to investigate appropriate treatment techniques to (1) increase the recovery of the membrane filtra

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15

Clapperton, Anthony, Claude Bazin, Dominic Downey, and Jean-Sébastien Marois. "Production of a Phosphate Concentrate from the Tailings of a Niobium Ore Concentrator." Minerals 10, no. 8 (2020): 692. http://dx.doi.org/10.3390/min10080692.

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Apatite is the main source of phosphorous for the making of chemical fertilizers. While apatite is usually recovered from phosphate orebodies as the primary product of a mining exploitation, this paper documents the approach taken to produce a phosphate concentrate as a secondary product from the tailings of a niobium ore concentrator. The conventional desliming/flotation scheme used to process phosphate ores was tested and adapted to process one of the reject streams of a niobium concentrator in order to produce a salable phosphate concentrate. For that particular material, it was found that

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Bilyk, Olena, Yulia Bondarenko, Oksana Kochubei-Lytvynenko, and Liudmyla Burchenko. "Development of a recipe for a multicomponent mixture "Solodok +" to improve the consumer properties of bakery products." ScienceRise, no. 6 (December 30, 2021): 18–24. http://dx.doi.org/10.21303/2313-8416.2021.002235.

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The object of research is the technology of bakery products enriched with a mixture of germinated grains of wheat, corn, barley and oats. Investigated problem: The problem of using a mixture of germinated grains is the formation of a closure sticky crumb in baked goods with a mixture. The reason for this is the high activity in the mixture of amylolytic and proteolytic enzymes. The solution to the problem consists in the developed multicomponent mixture (MM) to improve the consumer properties of bakery products, the formulation of which includes 15 % of the flour mass of the germin

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17

Khoshimov, Ilkhomjon Erkin ugli, Shakhzoda Ismatullaevna Turdialieva, Atanazar Reypnazarovich Seytnazarov, and Shafaat Sattarovich Namazov. "CONCENTRATION OF WET PROCESS PHOSPHORIC ACID FROM WASHED THERMO CONCENTRATE OF PHOSPHORITES CENTRAL KYZYLKUM AND ITS RHEOLOGICAL PROPERTIES." Journal of Chemical Technology and Metallurgy 60, no. 2 (2025): 207–14. https://doi.org/10.59957/jctm.v60.i2.2025.2.

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The process of purification and concentration of wet process phosphoric acid (WPA) creates the possibility of obtaining more concentrated phosphorus - containing products, such as ammonium dihydrogen phosphate and ammonium hydrogen phosphate, calcium dihydrogen phosphate and calcium dihydrogen phosphate, liquid complex fertilizers for drip irrigation. WPA from the washed thermo concentrate (WTC), although low concentrated (≥ 20 % Р2О5 ), contains alone 0.3 - 0.5 % MgO and is suitable for concentration by evaporation. To obtain concentrated phosphoric acid, it is necessary to carry out the proc

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18

Torres, J., A. Lopes, M. A. Lopes, et al. "The Benefit of a Human Bone Marrow Stem Cells Concentrate in addition to an Inorganic Scaffold for Bone Regeneration: AnIn VitroStudy." BioMed Research International 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/240698.

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Background. This work compares the osteoblastic behaviour of a bone marrow (BM) aspirate and a prepared BM concentrate of nucleated cells associated with a glass reinforced hydroxyapatite composite (GRHC) in a microporous pellet formulation.Methods. BM aspirate (30 mL) was collected during 3 orthopedic surgical procedures, and a concentration system was used to achieve 3 rapid preparations of a concentrate of nucleated cells (3 mL) from the BM aspirates. The BM aspirates (53% cell viability;2.7×106nucleated cell/mL) and the BM concentrates (76% cell viability;2×107nucleated cell/mL) were cultu

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19

Augustin, Mary-Ann, and Phillip T. Clarke. "Effects of added salts on the heat stability of recombined concentrated milk." Journal of Dairy Research 57, no. 2 (1990): 213–26. http://dx.doi.org/10.1017/s0022029900026820.

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SummaryChanges in heat stability and Ca2+ activity of recombined concentrated milk (18% solids non-fat:8% fat) induced by the additions of 0·011–0·217 mol phosphate/kg skim milk solids (SMS), 0·022–0·217 mol citrate/kg SMS, 0·011–0·022 mol Ca/kg SMS and 0·016–0·067 mol EDTA/kg SMS were evaluated. Heat stability was assessed using an objective method which involved determination of viscosity after heating under controlled conditions. Low levels of added phosphate and citrate generally effected an acid shift of the viscosity–pH profile, while higher levels caused a broadening of the profile. Add

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20

Shestakova, E. A., D. S. Raspopov, and E. I. Verboloz. "Development of flow technology for the purification and production of food sunflower phospholipids." Proceedings of the Voronezh State University of Engineering Technologies 81, no. 1 (2019): 125–31. http://dx.doi.org/10.20914/2310-1202-2019-1-125-131.

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The completed research work is aimed at creating a continuous technology and machine-hardware purification scheme for phosphatide concentrate in an effective magneto-acoustic way. To separate modified of waste of deodorization and to obtain lecithins with a high content of phosphatidylcholines using distillation, selective solvent, ethyl alcohol and adsorbent-silica gel was used, and ultrasonic with an intensity of 10 W/cm2 in combination with a pulsating magnetic field of 2 Tl was used to increase its dissolving and absorbing ability. Such treatment in the stream provides obtaining a substant

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21

Merzeg, F. Ait, N. Bezzi, N. Bouzidi, et al. "Reverse flotation process in double stage on the Algerian phosphate ore treatment." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 1 (February 28, 2023): 61–66. http://dx.doi.org/10.33271/nvngu/2023-1/061.

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Purpose. In this work, the influence of flotation reagents on the separation yield of the phosphate-carbonate system is studied. The investigation is conducted by the reverse flotation process in double stage of the phosphate ores from the Jebel Onk deposit-Algeria. Methodology. The experimental part can be divided into three aspects, a mechanical preparation of the samples, and flotation tests in the first stage followed by a double flotation and, finally, characterization of the flotation products by different physical-chemical analysis techniques. Findings. Reverse flotation double stage pr

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Wang, Xiu Chun, Xi Qing Pan, Shuo Liu, Jing Zhang, and Jie Ma. "Nitrite, Nickel-Free Electrophoretic Coating Phosphating Solution." Materials Science Forum 686 (June 2011): 603–8. http://dx.doi.org/10.4028/www.scientific.net/msf.686.603.

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Cathodic electrophoretic coating is mainly used on automobile coating lines, before coating treatment the phosphating process is needed to enhance the adhesion and corrosion resistance of the coating layer. Currently toxic nitrite accelerator is widely adopted in the process of cathodic electrophoretic coating phosphating, as well as some polluting additives like nickel ions. Because of its great amount, phosphate solution become one of the major pollution sources on the automobile coating lines. In this study, the complex composed of non-toxic hydroxylamine, inorganic salts, etc. was chosen a

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23

Jiang, Tai Guo, Zhi Chong Wei, and Tie Min Zhang. "Study on the Beneficiation of an Oxidised Copper Ores in Yunnan Province." Applied Mechanics and Materials 631-632 (September 2014): 641–45. http://dx.doi.org/10.4028/www.scientific.net/amm.631-632.641.

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For a refractory oxidised copper ores in Yunnan province, studing the beneficiation of a oxidised copper ores sulfide flotation behavior. The results showed that: When ethylenediamine phosphate was added with the dosage of 120 g/t, the final copper concentrates were gained with the grade of 21.06% and recovery of 83.20%. Compared to the direct sulfide flotation, the concentrate grade was raised by 3.59% and the recovery was increased by 7.33%.

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24

Van Kauwenbergh, Steven J., Michelle Cooper-Fleck, and Marilyn R. Williams. "The Occurrence of Robertsite in a Sedimentary Phosphate Ore from Thailand." Mineralogical Magazine 52, no. 367 (1988): 505–8. http://dx.doi.org/10.1180/minmag.1988.052.367.09.

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AbstractDuring a mineralogical study of guano-derived sedimentary phosphate ore from the Lamphun area of northwest Thailand, robertsite [Ca6(H2O)6Mn3+9O6(PO4)9.3H2O] was identified and concentrated to a level suitable for X-ray diffraction and chemical analysis. Robertsite has previously been described only in association with altered phosphatic pegmatites. This new occurrence in a phosphate deposit indicates that it may be found in a broad spectrum of sedimentary rocks.

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Tamm, Kadriann, Zeinab Arab Zadeh, Rein Kuusik, et al. "Effect of Flotation Time and Collector Dosage on Estonian Phosphorite Beneficiation." Minerals 11, no. 2 (2021): 114. http://dx.doi.org/10.3390/min11020114.

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Phosphorus is an essential and non-substitutable element for the cellular processes of all living organisms. The main source of phosphorus in the biosphere is phosphate rock. With more than 700 Mt phosphate rock, Estonia holds the largest sedimentary phosphate rock deposits in the European Union. Estonian phosphate rock is particularly outstanding due to its remarkably low content of hazardous heavy metals such as Cadmium (<5 ppm) and trace elements of Uranium (<50 ppm). It is also a reliable source of valuable elements such as rear earth elements (REEs). The aim of this study was to inv

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26

Bada, Samson, Sandi Gcanga, Lionel Falcon, Rosemary Falcon, and Mpho Makhula. "Electrostatic concentration of phosphate flotation concentrate." International Journal of Mining Science and Technology 23, no. 3 (2013): 403–6. http://dx.doi.org/10.1016/j.ijmst.2013.05.013.

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27

Bhatti, Muhammad Arif, Abdul Ahad, Kamran Raza Kazmi, Uzma Zafar, Athar Amin, and Adnan Akram. "Flotation Studies on Low-Grade Phosphate Rock of Tarnawai, District Abbottabad, KPK Province, Pakistan." Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences 63, no. 2 (2020): 101–11. http://dx.doi.org/10.52763/pjsir.phys.sci.63.2.2020.101.111.

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A low-grade siliceous sedimentary phosphate rock assaying 22.05% P205 was upgraded by double float (direct and reverse) technology. The rock contains collophane (carbonate fluorapatite) as the valuable phosphate mineral along with siliceous, carbonaceous and clay minerals. A process was developed which yielded a high-grade phosphate concentrate with improved recovery rate. The developed process consists of three parts. The first part includes wet grinding of ore to liberation point followed by separation of fines (slimes) by cone classifier. The finely ground deslimed ore was floated by direct

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Abdallah, Samah S., Khaled A. Selim, Mohamed M. A. Hassan, Atef El-amir, Mohamed G. Farghaly, and Samah M. Elsayed. "BIOPROCESSING OF NATURAL PHOSPHATE ORE WITH STAPHYLOCOCCUS AUREUS BACTERIA." Rudarsko-geološko-naftni zbornik 37, no. 5 (2022): 53–60. http://dx.doi.org/10.17794/rgn.2022.5.5.

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Phosphate ores are in high demand around the world because they are the primary raw materials used in the manufacturing of phosphatic fertilizers and other chemicals. Since the grade of the ore is gradually declining, it is becoming economically viable to mine and beneficiate numerous lower-grade deposits, and a significant number of precious minerals are discarded due to the inadequacy of new technological advances. Thus, biological processes are becoming more appealing in mineral processing due to their lower operating costs and potential applications to beneficiate low-grade complex ores th

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Cekinski, E., and J. H. Thomassin. "Superphosphates from Brazilian phosphate concentrates." Fertilizer Research 32, no. 2 (1992): 125–33. http://dx.doi.org/10.1007/bf01048773.

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Herten, M., M. Sager, L. Benga, et al. "Bone marrow concentrate for autologous transplantation in minipigs." Veterinary and Comparative Orthopaedics and Traumatology 26, no. 01 (2013): 34–41. http://dx.doi.org/10.3415/vcot-11-11-0165.

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SummaryAutologous bone marrow plays an increasing role in the treatment of bone, cartilage and tendon healing disorders. Cell-based therapies display promising results in the support of local regeneration, especially therapies using intra-operative one-step treatments with autologous progenitor cells. In the present study, bone marrow-derived cells were concentrated in a point-of-care device and investigated for their mesenchymal stem cell (MSC) characteristics and their osteogenic potential.Bone marrow was harvested from the iliac crest of 16 minipigs. The mononucleated cells (MNC) were conce

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Timofeeva, Tatiana A., Vladimir K. Chebotar, Dmitriy V. Demidov, Sofia E. Gaidukova, Irina V. Yakovleva, and Anastasia M. Kamionskaya. "Effects of Apatite Concentrate in Combination with Phosphate-Solubilizing Microorganisms on the Yield of Ryegrass Cultivar Izorskiy." Agronomy 13, no. 6 (2023): 1568. http://dx.doi.org/10.3390/agronomy13061568.

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Soil microorganisms play a vital role in increasing the availability of phosphorus (P) for plants through mineralization of organic P and solubilization of precipitated P compounds. In this two-year study, we analyzed several P-solubilizing microorganisms (PSMs) of the genus Bacillus and their consortiums for the ability to release soluble P from apatite concentrates of various grinding degrees using ryegrass (Lolium multiflorum Lam.) as a model plant. The effects were accessed by analyzing plant growth and nutrient assimilation. The greatest effect on root system development and plant biomass

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Singer, Elena, Sun-Hwa Jung, Vivekanand Vivekanand, and Christoph Lindenberger. "Biogas Digestate and Its Electrodialysis Concentrate as Alternative Media Composition for A. platensis Cultivation: A Study on Nutrient Recovery from Dairy Wastewater." Bioengineering 12, no. 5 (2025): 460. https://doi.org/10.3390/bioengineering12050460.

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The dairy industry generates substantial nutrient-rich wastewater, posing environmental challenges if discharged untreated. This study explores the potential of using the cyanobacterium Arthrospira platensis for nutrient recovery from dairy wastewater, precisely the liquid biogas digestate (BD). The research investigates the feasibility of utilising BD and electrodialysis-concentrated BD (BD concentrate) as alternative media for A. platensis cultivation, with a focus on biomass productivity, nutrient uptake, and high-value product formation. Batch and continuous cultivation modes were employed

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Liang, Haijun, Patrick Zhang, Zhen Jin, and David DePaoli. "Rare Earth and Phosphorus Leaching from a Flotation Tailings of Florida Phosphate Rock." Minerals 8, no. 9 (2018): 416. http://dx.doi.org/10.3390/min8090416.

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Phosphorite, or phosphate rock, is the raw material of phosphoric acid production. It has also been regarded as the most important secondary rare earth element (REE) resource due to low contents of rare earth elements contained in the ore. In Florida, there is about 19 Mt of phosphate rock mined annually. After beneficiation, the phosphate rock concentrate is utilized to produce phosphoric acid via a wet-process in which sulfuric acid is used to digest phosphate. During these processes, REEs and some phosphorus get lost in the byproducts including phosphatic clay, flotation tailings, phosphogy

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Kappel, C., K. Yasadi, H. Temmink, et al. "Electrochemical phosphate recovery from nanofiltration concentrates." Separation and Purification Technology 120 (December 2013): 437–44. http://dx.doi.org/10.1016/j.seppur.2013.10.022.

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Grudinsky, Pavel, Liliya Pasechnik, Anfisa Yurtaeva, Valery Dyubanov, and Dmitry Zinoveev. "Recovery of Scandium, Aluminum, Titanium, and Silicon from Iron-Depleted Bauxite Residue into Valuable Products: A Case Study." Crystals 12, no. 11 (2022): 1578. http://dx.doi.org/10.3390/cryst12111578.

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Bauxite residue is a high-iron waste of the alumina industry with significant contents of scandium, aluminum, and titanium. This study focuses on the recovery of Sc, Al, Ti, and Si from iron-depleted bauxite residue (IDBR) into valuable products. Iron depletion was carried out using reduction roasting followed by low-intensity magnetic separation to enrich bauxite residue in Al, Ti, and Sc and reduce an adverse effect of iron on scandium extraction. Hydrochloric high-pressure acid leaching, aluminum precipitation by saturation of the acid leachate, solvent extraction of scandium using di(2-eth

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А.Б., РАФАЛЬСОН, та КОНСТАНТИНОВА О.В. "ФУНКЦИОНАЛЬНЫЕ СВОЙСТВА ФЕРМЕНТАТИВНО МОДИФИЦИРОВАННЫХ ФОСФОЛИПИДОВ ВЫСОКООЛЕИНОВОГО ПОДСОЛНЕЧНОГО МАСЛА". Вестник Всероссийского научно-исследовательского института жиров, № 1-2(2017) (18 грудня 2017): 47–49. http://dx.doi.org/10.25812/vniig.2017.2017.19525.

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В статье отражены результаты исследований функциональных свойств ферментативно модифицированных фосфатидных концентратов высокоолеинового подсолнечного масла. Показано, что ферментативно модифицированные фосфатидные концентраты высоко олеинов ого подсолнечного масла, полученные энзимной гидратацией, по основным потребительским свойствам существенно превышают типовые фосфатидные концентраты, вырабатываемые отечественной промышленностью. In the article results of the researches of functional properties of enzymatically modified phosphatide concentrates of high-oleic sunflower oil are represented

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Papeikin, O. O., L. Yu Bodachivska, I. O. Venger, D. Z. Davitadze, and O. А. Spaska. "Lubricating materials based on waste oleo products." Catalysis and Petrochemistry, no. 31 (2021): 48–54. http://dx.doi.org/10.15407/kataliz2021.31.048.

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Phosphatide concentrates and waste cooking oils - wastes that do not find qualified use and sources of environmental pollution, on the one hand, and on the other - valuable raw materials for the production of lubricating materials, additives and surfactants. The paper demonstrates the possibility of using these wastes as components in technologies for obtaining hydrated calcium greases and surfactants. By saponification of phosphatide concentrates and waste cooking oils were obtained the dispersed phases of thixotropic systems and were investigated their rheological properties. Derivatives of

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Kengaliev, B. K., T. YU Surkova, S. B. Yulusov, E. A. Pirmatov, and A. P. Dulenin. "Rare-Earth Concentrate Production From Technogenic Mineral Formations." KnE Materials Science 2, no. 2 (2017): 158. http://dx.doi.org/10.18502/kms.v2i2.963.

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<p>Based on the analysis technology of processing of uranium-containing raw materials, identified potential sources of rare earth elements from among the industrial products and waste: uranium sorption tails, sulfuric acid solutions of heap leaching of uranium, man-made mineral formations from phosphate processing of uranium ores. Based on the analysis technology of processing of uranium-containing raw materials, identified potential sources of rare earth elements from among the industrial products and waste: uranium sorption tails, sulfuric acid solutions of heap leaching of uranium, ma

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Read, D., and C. T. Williams. "Degradation of phosphatic waste forms incorporating long-lived radioactive isotopes." Mineralogical Magazine 65, no. 5 (2001): 589–601. http://dx.doi.org/10.1180/002646101317018415.

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AbstractThis paper provides a brief perspective on synthetic, phosphate-based waste forms for high level radioactive waste (HLW). Evidence in support of their long-term stability is then discussed by reference to the degradation of natural monazites with emphasis on the fate of released uranium, thorium and the rare earths (REE). It is apparent that the REE can be mobilized and fractionated at temperatures anticipated in a HLW repository (∼200°C). This provides an indication of the likely fate of the trivalent actinides (Am(III), Cm(III)) if incorporated in similar matrices. Thorium, though re

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Araújo, Maria Júlia Pereira, Erica Beatriz Schultz, Thauane Ariel Valadares Jesus, Marina Elizabeth Barbosa Andrade, Luciana Melo Sousa, and Gilberto de Lima Macedo Júnior. "Use of docosahexaenoic acid for lamb diet." Caderno de Ciências Agrárias 12 (August 25, 2020): 1–8. http://dx.doi.org/10.35699/2447-6218.2020.20203.

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The purpose of this study was to evaluate the effects of docosahexaenoic in the concentrated acid on intake, digestibility, metabolic profile and ingestive behavior of lambs diets. Five crossbred Dorper x Santa Inês lambs with initial age and body weight average of six months and 33 kg, respectively, were used in the trial. The animals were assigned into a 5×5 Latin square design and they received one of the following treatments: 0, 1.5, 3, 4.5 and 6 % of microalgal product (Aurantiochytrium limacinum algae) or ALL-G Rich® in the concentrate. The diets were composed of corn silage and concentr

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Nie, Guanghua, Ti Chang Sun, Shuai Li, and Hai Lan Li. "Containing Rare Earth Phosphate Rock Processing and Rare Earth Enrichment in those Processes." Advanced Materials Research 734-737 (August 2013): 1022–28. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.1022.

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The reserve of sedimentary phosphate deposits in Guizhou province in western China is huge, but has been no development because of its difficulties of comprehensive utilization. Using mineral processing techniques, Rare earth containing phosphate rock flotation and flotation concentrate leaching test study were done. Rare earth enrichment in those processes was studied too. Through rougher flotation conditions test, it was determined that the optimal rougher flotation conditions were grinding fineness 75% -0.074mm, H2SO4, H3PO4 and SOP dosage of 10kg/t, 0.15kg/t and 0.8 kg/t. A reverse flotati

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McDonald, Allison E., Julie O. Niere, and William C. Plaxton. "Phosphite disrupts the acclimation of Saccharomyces cerevisiae to phosphate starvation." Canadian Journal of Microbiology 47, no. 11 (2001): 969–78. http://dx.doi.org/10.1139/w01-099.

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The influence of phosphite (H2PO3) on the response of Saccharomyces cerevisiae to orthophosphate (HPO42; Pi) starvation was assessed. Phosphate-repressible acid phosphatase (rAPase) derepression and cell development were abolished when phosphate-sufficient (+Pi) yeast were subcultured into phosphate-deficient (Pi) media containing 0.1 mM phosphite. By contrast, treatment with 0.1 mM phosphite exerted no influence on rAPase activity or growth of +Pi cells. 31P NMR spectroscopy revealed that phosphite is assimilated and concentrated by yeast cultured with 0.1 mM phosphite, and that the levels

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Maazioui, Souhail, Abderrahim Maazouz, Fayssal Benkhaldoun, Driss Ouazar, and Khalid Lamnawar. "Rheological Characterization of a Concentrated Phosphate Slurry." Fluids 6, no. 5 (2021): 178. http://dx.doi.org/10.3390/fluids6050178.

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Phosphate ore slurry is a suspension of insoluble particles of phosphate rock, the primary raw material for fertilizer and phosphoric acid, in a continuous phase of water. This suspension has a non-Newtonian flow behavior and exhibits yield stress as the shear rate tends toward zero. The suspended particles in the present study were assumed to be noncolloidal. Various grades and phosphate ore concentrations were chosen for this rheological investigation. We created some experimental protocols to determine the main characteristics of these complex fluids and established relevant rheological mod

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Shestakova, E. A., E. I. Verboloz, and V. T. Antufjev. "Magneto-acoustic intensification of the cleaning process phosphatidic concentrate." Proceedings of the Voronezh State University of Engineering Technologies 79, no. 2 (2017): 24–29. http://dx.doi.org/10.20914/2310-1202-2017-2-24-29.

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Valkov, A. V., and V. I. Petrov. "Rational technology for separation of yttrium-group rare-earth elements." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy), no. 3 (June 15, 2022): 21–29. http://dx.doi.org/10.17073/0021-3438-2022-3-21-29.

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The paper studies the features of the extraction technology used to separate yttrium-group rare-earth elements taking into account sharply reducing prices for individual oxides. The latter, along with the low prices for lanthanum and cerium oxides, is associated with a predominant increase in the consumption of praseodymium and neodymium and a slow increase in the consumption of other rare-earth elements (REE), except for terbium and dysprosium. Since all REE are extracted from rare-earth concentrates, less marketable ones are stored or sold at extremely low prices. Elements such as samarium,

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Ortega-Torres, Adrian Esteban, Enrique Rico-García, Rosario Guzmán-Cruz, Irineo Torres-Pacheco, Erik Gustavo Tovar-Pérez, and Ramón Gerardo Guevara-González. "Addition of Phosphatases and Phytases to Mature Compost to Increase Available Phosphorus: A Short Study." Agronomy 11, no. 12 (2021): 2555. http://dx.doi.org/10.3390/agronomy11122555.

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Agriculture depends on fertilizers to provide nutrients for plants. Phosphorus (P) is one of these nutrients and is the second-most necessary for plant growth. Global production of P fertilizer is concentrated in Morocco, China and the United States. A large amounts of P resources are found in organic wastes that can be transformed through phosphate-solubilizing microorganisms during the composting process. In this study, we first determined the enzymatic activity of phosphatases and phytase from Pseudomonas aeruginosa ATC 15442. Second, we evaluated the mineralization of P in mature compost w

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Ketrot, D., A. Suddhiprakarn, I. Kheoruenromne, and B. Singh. "Interactive effects of iron oxides and organic matter on charge properties of red soils in Thailand." Soil Research 51, no. 3 (2013): 222. http://dx.doi.org/10.1071/sr13021.

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Iron (Fe) oxides and organic matter (OM) play important roles in maintaining the fertility of highly weathered soils. The main objective of this study was to investigate the interactive effects of variable surface charge minerals, particularly Fe oxide minerals, and OM on the charge properties of red soils from Thailand. We also evaluated the effect of the 5 m NaOH procedure, used to concentrate Fe oxides from soils, on the charge characteristics of Fe oxide concentrates. Fourteen clay fractions (untreated and OM-free clay fractions), and Fe oxide concentrates of these clays, were used in the

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Marcato, R., and M. Giulietti. "Production of dicalcium phosphate by treatment of phosphate rock concentrate with nitric acid." Fertilizer Research 34, no. 3 (1993): 203–7. http://dx.doi.org/10.1007/bf00750565.

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Qiu, Li Ping, Guang Wei Wang, Shou Bin Zhang, and Tao Yu. "Phosphate Removal and Recovery with Seed Crystals in Low Concentrated Phosphate Wastewater." Advanced Materials Research 374-377 (October 2011): 865–68. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.865.

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The phosphate removal and recovery from lower concentrated phosphate wastewater with the quartz sand, ceramsite, blast furnace slag and steel slag as seed crystals were investigated. The results showed that the steel slag performed a better phosphate removal performance than the other threes. The phosphate crystallization occurred under the reaction conditions of Ca/P 2.0, pH 9.0, phosphate concentration 10 mg/L and reaction time 12h. The steel slag could be employed as an effective seed crystal, of which the phosphate concentration decreased drastically in 12h and almost had been removed comp

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Ekimov, A. I., S. G. Lunter, A. N. Mironov, Yu K. Fedorov, V. N. Shapovalov, and S. K. Shumilov. "Spectroscopic and Lasing Properties of Highly Concentrated Glasses." Bulletin of the Russian Academy of Sciences: Physics 87, no. 12 (2023): 1762–65. http://dx.doi.org/10.1134/s1062873823370013.

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Abstract A method has been advanced for the quantitative separation of the degradation channels of the electron-excitation energy of rare-earth activators, which is based on measurements of the duration of activator luminescence and of the absorption coefficient of OH-groups in concentration series of glasses. The optimal neodymium concentration has been established for obtaining the maximum gain in phosphate glasses. Preliminary lasing tests of the concentration series of phosphate and also silicate glass with a neodymium concentration of approximately 2.3 × 1020 ions cm–3 have been performed

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