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Journal articles on the topic 'Solvent extraction – Chemical engineering'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Galaction, Anca-Irina, Maria Camarut, and Dan Cascaval. "Separation of p-aminobenzoic acid by reactive extraction: 1: Mechanism and influencing factors." Chemical Industry and Chemical Engineering Quarterly 14, no. 3 (2008): 159–65. http://dx.doi.org/10.2298/ciceq0803159g.

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The comparative study on the reactive extraction of p-aminobenzoic acid with Amberlite LA-2 and D2EHPA in two solvents with different polarity (n-heptane and dichloromethane) indicated that the extractant type and solvent polarity control the extraction mechanism. Thus, the reactive extraction with Amberlite LA-2 occurs by means of the interfacial formation of an aminic adduct with three extractant molecules in low-polar solvent, or of an salt with one extractant molecule in higher polar solvent. Similarly, the extraction with D2EHPA is based on the formation of an acidic adduct with two extra

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2

Stanisavljevic, Ivana, Svetlana Lakicevic, Dragan Velickovic, Miodrag Lazic, and Vlada Veljkovic. "The extraction of oil from tobacco (Nicotiana tabacum L.) seeds." Chemical Industry and Chemical Engineering Quarterly 13, no. 1 (2007): 41–50. http://dx.doi.org/10.2298/ciceq0701041s.

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The classical extraction (maceration) of oil from the seeds of a tobacco (Nicotiana tabacum L.) plant strain, type Otlja, was carried out using n-hexane and petroleum ether as extracting solvents at different temperatures (25 ?C, 40 ?C and the boiling temperature) and seeds-to-solvent ratios (1:3, 1:5 and 1:10 w/v). The effects of the process factors on the kinetic parameters and the oil yield were assessed using the full factorial experiments 24. The oil yield was increased if the seeds were grounded before the extraction and by increasing the extraction temperature and by decreasing the seed

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3

Chawong, Kanungnit, Chanita Rayabsri, and Panarat Rattanaphanee. "Extraction of Lactic Acid in Mixed Solvent Electrolyte System Containing Water, 1-Butanol and Ammonium Sulfate." International Journal of Chemical Reactor Engineering 13, no. 2 (2015): 183–88. http://dx.doi.org/10.1515/ijcre-2014-0132.

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Abstract Extraction of lactic acid from its aqueous solution was carried out at 30.0°C in a mixed solvent electrolyte system containing water, 1-butanol and ammonium sulfate ((NH4)2SO4). The salt appeared to reduce mutual solubility between water and 1-butanol leading to an enlarged two-phase region of the mixture. The effect was more pronounced at high salt concentration. In view of extraction, ternary mixture containing water, 1-butanol and lactic acid, (NH4)2SO4 effectively salted-out 1-butanol and lactic acid leading to a reduced concentration of these two components in the aqueous phase.

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4

Chen, Cong Jin, Yue Li, Qiu Ming Su, Li Juan Qu, and Dong Chen. "Study on Chemical Compositions of Manihot Esculenta Crantz(M. utilissima Pohl)Stalks." Advanced Materials Research 236-238 (May 2011): 394–98. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.394.

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The chemical compositions of Manihot esculenta crantz(M. utilissima Pohl)stalks were investigated, the contents of phenolic hydroxyl group and UV spectra of lignin were determined by ultraviolet-visible spectrophotometer. The result showed that the chemical compositions of Manihot esculenta crantz(M. utilissima Pohl)stalks were as follows: ashes 4.97%, cold water extraction 12.04%, hot water extraction 12.57%, 1% sodium hydroxide solution extraction 34.16%, benzene-alcohol solution extraction 4.20%, nitric acid-alcohol cellulose 35.86%, holo-cellulose 72.62%, pentosan 19.20%, acid-soluble lign

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5

Busto, Mariana, Enrique Eduardo Tarifa, and Carlos Román Vera. "Coupling Solvent Extraction Units to Cyclic Adsorption Units." International Journal of Chemical Engineering 2018 (2018): 1–17. http://dx.doi.org/10.1155/2018/1620218.

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The possibility of regenerating the solvent of extraction units by cyclic adsorption was analyzed. This combination seems convenient when extraction is performed with a high solvent-to-impurity ratio, making other choices of solvent regeneration, typically distillation, unattractive. To our knowledge, the proposed regeneration scheme has not been considered before in the open literature. Basic relations were developed for continuous and discontinuous extraction/adsorption combinations. One example, deacidification of plant oil with alcohol, was studied in detail using separate experiments for

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6

Stevens, Geoffrey W. "Solvent Extraction Equipment Developments." Solvent Extraction and Ion Exchange 38, no. 1 (2019): 1–2. http://dx.doi.org/10.1080/07366299.2019.1687127.

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7

Milic, Petar, Katarina Rajkovic, Predrag Milicevic, Slavica Milic, Tanja Brdaric, and Vesna Pavelkic. "Comparison, artificial neural network modeling and genetic algorithm optimization of the resinoid and potassium yields from white lady’s bedstraw (Galium mollugo L.) by conventional, reflux and ultrasound-assisted aqueous-ethanolic extraction." Chemical Industry and Chemical Engineering Quarterly 19, no. 1 (2013): 141–52. http://dx.doi.org/10.2298/ciceq120316049m.

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In this work, the yields of resinoid and potassium obtained from aerial parts of white lady?s bedstraw (Galium mollugo L.) by maceration, reflux extraction and ultrasound-assisted extraction using aqueous ethanol solutions as solvents. The main goal was to define the influence of the extraction technique and the ethanol concentration on the resinoid and potassium yields. The resinoid and potassium yields were determined by the solvent evaporation from the liquid extracts to constant weight and the AAS emission method, respectively. The dependence of resinoid and potassium yields on the ethanol

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8

Cvetkovski, Vladimir, Vesna Conic, Milovan Vukovic, Goran Stojanovski, and Milena Cvetkovska. "Construction of isotherms in solvent extraction of copper." Chemical Industry 63, no. 4 (2009): 309–12. http://dx.doi.org/10.2298/hemind0904309c.

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The aim of this work is construction of equilibrium isotherms in solvent extraction. Technological parameters have been predicted for treatment of mine water by solvent extraction and electrowining. Two stages of extractions and one stage of stripping have been predicted for copper recovery by analyzing the equilibrium isotherms. The process was performed on mine water with 2,5 g/dm3 Cu2+, 3 g/dm Fe2+, pH 1,8, using 9 vol% LIX 984N in kerosene (organic solvent), with 95 and 98% stages efficiencies, respectively. This course produced an advanced electrolyte solution, suitable for electrowining

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9

Spathariotis, Stylianos, Nand Peeters, Karl S. Ryder, Andrew P. Abbott, Koen Binnemans, and Sofia Riaño. "Separation of iron(iii), zinc(ii) and lead(ii) from a choline chloride–ethylene glycol deep eutectic solvent by solvent extraction." RSC Advances 10, no. 55 (2020): 33161–70. http://dx.doi.org/10.1039/d0ra06091g.

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10

Nieh, C. D., and H. E. Snyder. "Solvent extraction of oil from soybean flour II— pilot plant and two-solvent extractions." Journal of the American Oil Chemists Society 68, no. 4 (1991): 250–53. http://dx.doi.org/10.1007/bf02657619.

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11

Wróblewska, Agnieszka, Katarzyna Janda, Edyta Makuch, Marika Walasek, Piotr Miądlicki, and Karolina Jakubczyk. "Effect of extraction method on the antioxidative activity of ground elder (Aegopodium podagraria L.)." Polish Journal of Chemical Technology 21, no. 3 (2019): 13–18. http://dx.doi.org/10.2478/pjct-2019-0024.

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Abstract In this work the studies on the antioxidative properties of extracts from various morphotic parts of the ground elder (leaves, rhizomes, seeds and flowers) were presented. Moreover, the effect of different extraction methods (ultrasonic assisted extractions, extraction in a Soxhlet apparatus, extraction at the boiling point of the solvent used), solvent and its amount, and extraction time on the antioxidative properties of the obtained extracts were tested. The studies showed that all parts of ground elder can show radical scavenging activity, and it depends mainly on the method of ex

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12

Amine Didi, Mohamed, M'hamed Kaid, and Didier Villemin. "Dodecylhydroxydiphosphonic Acid for Solvent Extraction." Solvent Extraction and Ion Exchange 26, no. 2 (2008): 113–27. http://dx.doi.org/10.1080/07366290801904715.

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13

Otu, Emmanuel O., and Alan D. Westland. "SOLVENT EXTRACTION WITH SULPHONIC ACIDS." Solvent Extraction and Ion Exchange 9, no. 5 (1991): 875–83. http://dx.doi.org/10.1080/07366299108918088.

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14

Leonard, Ralph A. "DESIGN RULES FOR SOLVENT EXTRACTION*." Solvent Extraction and Ion Exchange 17, no. 3 (1999): 597–612. http://dx.doi.org/10.1080/07366299908934629.

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15

Navratil, J. D. "Solvent extraction in nuclear technology." Pure and Applied Chemistry 58, no. 6 (1986): 885–88. http://dx.doi.org/10.1351/pac198658060885.

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16

Sebba, Felix. "Predispersed Solvent Extraction." Separation Science and Technology 20, no. 5-6 (1985): 331–34. http://dx.doi.org/10.1080/01496398508060684.

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17

SASAKI, Yuji, Keisuke MORITA, Yoshihiro KITATSUJI, Keisuke ITO, and Kazuharu YOSHIZUKA. "Solvent Extraction of Cesium Using DtBuDB18C6 into Various Organic Solvents." Solvent Extraction Research and Development, Japan 28, no. 2 (2021): 121–31. http://dx.doi.org/10.15261/serdj.28.121.

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18

Tumbas Šaponjac, Vesna, Strahinja Kovačević, Vanja Šeregelj, et al. "Improvement of Carrot Accelerated Solvent Extraction Efficacy Using Experimental Design and Chemometric Techniques." Processes 9, no. 9 (2021): 1652. http://dx.doi.org/10.3390/pr9091652.

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Human studies have demonstrated the multiple health benefits of fruits and vegetables. Due to its high fiber, mineral and antioxidant content, carrot is an ideal source for the development of nutraceuticals or functional ingredients. Current research assesses accelerated solvent extraction (ASE) traits which affect the antioxidant qualities of carrot extract using response surface methodology (RSM), hierarchical cluster analysis (HCA), and the sum of ranking differences (SRD). A mixture of organic solvents, acetone, and ethanol with or without the addition of 20% water was applied. The total c

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19

Zhou, Jian Shi, Xian Yong Wei, You Quan Dou, et al. "Solvent Cutting to Make Superior Coal Tar Pitches." Advanced Materials Research 239-242 (May 2011): 1296–99. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1296.

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Using solvents extraction separation system of self-designed make superior coal tar pitches for carbon materials. In proper order choose petroleum ether, methanol and carbon disulfide to cut coal tar into several fractions under different condition. The first solvent can take light components out from coal tar. Then drag out those chemical that contain heteroatom such as nitrogen, sulfide applying the second solvent. The last is to dig out higher molecular weight polycyclic aromatic hydrocarbon from coal tar deeply. Heavy fractions are vacuumed to drive out any solvents. The superior chirpy co

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20

Zhang, Xiangping, Changjun Liu, Qilong Ren, et al. "Green chemical engineering in China." Reviews in Chemical Engineering 35, no. 8 (2019): 995–1077. http://dx.doi.org/10.1515/revce-2017-0038.

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Abstract In China, the rapid development greatly promotes the national economic power and living standard but also inevitably brings a series of environmental problems. In order to resolve these problems fundamentally, Chinese scientists have been undertaking research in the area of green chemical engineering (GCE) for many years and achieved great progresses. In this paper, we reviewed the research progresses related to GCE in China and screened four typical topics related to the Chinese resources characteristics and environmental requirements, i.e. ionic liquids and their applications, bioma

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21

Swain, Basudev, Sung-Soo Cho, Gae Ho Lee, Chan Gi Lee, and Sunghyun Uhm. "Extraction/Separation of Cobalt by Solvent Extraction: A Review." Applied Chemistry for Engineering 26, no. 6 (2015): 631–39. http://dx.doi.org/10.14478/ace.2015.1120.

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22

Martin, Amanda C., Alison D. Pawlus, Erin M. Jewett, Donald L. Wyse, Cindy K. Angerhofer, and Adrian D. Hegeman. "Evaluating solvent extraction systems using metabolomics approaches." RSC Adv. 4, no. 50 (2014): 26325–34. http://dx.doi.org/10.1039/c4ra02731k.

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23

Vergallo, Cristian, Elisa Panzarini, and Luciana Dini. "High performance liquid chromatographic profiling of antioxidant and antidiabetic flavonoids purified from Azadirachta indica (neem) leaf ethanolic extract." Pure and Applied Chemistry 91, no. 10 (2019): 1631–40. http://dx.doi.org/10.1515/pac-2018-1221.

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Abstract Azadirachta indica (neem) is a tropical and semi-tropical tree native to the whole Indian subcontinent. Neem leaves are rich in flavonoids, which exhibit important pharmacological activities targeting almost all human organs. In order to produce a purified extract of neem leaves enriched of antioxidant and antidiabetic flavonoids, the ethanolic extract of neem leaves has been further undergone to liquid-liquid extractions by using three different organic solvents, i.e. dichloromethane, n-butanol and ethyl acetate. Qualitative and quantitative analyses were performed on the extracts ob

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24

Koel, M., S. Ljovin, K. Hollis, and J. Rubin. "Using neoteric solvents in oil shale studies." Pure and Applied Chemistry 73, no. 1 (2001): 153–59. http://dx.doi.org/10.1351/pac200173010153.

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The liquefaction, gasification, and other chemical modifications of oil shale are challenging goals of chemistry and chemical engineering. The use of new solvent systems, such as supercritical fluids and ionic liquids, represents new avenues in the search of environmentally benign technologies. Supercritical fluid extraction (SFE) with carbon dioxide is particularly effective for the isolation of substances of medium molecular weight and relatively low polarity. At elevated temperatures it is possible to unite the breaking chemical bonds in the kerogen organic matter and convert the former int

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25

Kahraman, Fikri. "INVESTIGATION OF SOLVENT LOSSES IN THE SOLVENT EXTRACTION OF BORON." Solvent Extraction and Ion Exchange 13, no. 6 (1995): 1025–36. http://dx.doi.org/10.1080/07366299508918316.

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26

Mohapatra, Prasanta Kumar. "Diglycolamide-Based Solvent Systems in Room Temperature Ionic Liquids for Actinide Ion Extraction: A Review." Chemical Product and Process Modeling 10, no. 2 (2015): 135–45. http://dx.doi.org/10.1515/cppm-2014-0030.

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Abstract This review article gives a comprehensive account of the extraction of actinide ions using room temperature ionic liquid-based solvent systems containing diglycolamide (DGA) or functionalized DGA extractants. These extractants include multiple DGA-functionalized ligands such as tripodal DGA (T-DGA) and DGA-functionalized calix [4]arenes (C4DGA). Apart from metal ion extraction behaviour, other important features of the ionic liquid-based solvent systems such as separation behaviour, luminescence spectroscopic results, thermodynamics of extraction and radiolytic stability of the ionic

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27

Kitazaki, Hironori, Masayuki Ishimaru, Katsutoshi Inoue, and Yuki Tanaka. "Solvent extraction of polyhydroxybenzenes with TOPO." JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 30, no. 6 (1997): 1113–15. http://dx.doi.org/10.1252/jcej.30.1113.

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28

Mukhopadhyay, Mamata, and Milind S. Sohani. "Studies on solvent extraction of resorcinol." Journal of Chemical & Engineering Data 34, no. 1 (1989): 31–35. http://dx.doi.org/10.1021/je00055a011.

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29

Abraham, G., R. J. Hron, and S. P. Koltun. "Modeling the solvent extraction of oilseeds." Journal of the American Oil Chemists' Society 65, no. 1 (1988): 129–35. http://dx.doi.org/10.1007/bf02542564.

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30

Carlson, Kenneth D., Robert Kleiman, and Robert P. Pavlik. "Prepress solvent extraction of cuphea seed." Journal of the American Oil Chemists' Society 70, no. 12 (1993): 1269–72. http://dx.doi.org/10.1007/bf02564240.

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31

Thobani, Mahmood, and Levente L. Diosady. "Two-phase solvent extraction of canola." Journal of the American Oil Chemists' Society 74, no. 3 (1997): 207–14. http://dx.doi.org/10.1007/s11746-997-0125-x.

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32

INOUE, KATSUTOSHI, KAZUHARU YOSHIZUKA, KEISUKE OHTO, and SUMITO SEKI. "Recent Research Development in Solvent Extraction. Solvent Extraction Behavior of O,O'-Decanoylchitosan for Metal Ions." KAGAKU KOGAKU RONBUNSHU 26, no. 4 (2000): 548–50. http://dx.doi.org/10.1252/kakoronbunshu.26.548.

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33

Wang, Lei, Xianying Fang, Yang Hu, et al. "Efficient extraction of bioactive flavonoids from Celtis sinensis leaves using deep eutectic solvent as green media." RSC Advances 11, no. 29 (2021): 17924–35. http://dx.doi.org/10.1039/d1ra01848e.

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In recent years, deep eutectic solvent (DES) has attracted comprehensive attention on the extraction of natural products, and is regarded as an alternative to traditional organic solvents for the environmental advantages.

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34

Prasad, R., and K. K. Sirkar. "Microporous Membrane Solvent Extraction." Separation Science and Technology 22, no. 2-3 (1987): 619–40. http://dx.doi.org/10.1080/01496398708068971.

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35

Patil, Sunita S., Umesh B. Deshannavar, M. Ramasamy, Sampath Emani, Nima Khalilpoor, and Alibek Issakhov. "Study of Extraction Kinetics of Total Polyphenols from Curry Leaves." International Journal of Chemical Engineering 2021 (June 8, 2021): 1–8. http://dx.doi.org/10.1155/2021/9988684.

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Solid-liquid batch extraction of total polyphenol content from curry leaves (Murraya koenigii L.) was studied in this paper. The effect of different solvent concentrations and temperatures on total polyphenol content was investigated by performing batch experiments. The experimental studies showed that the kinetics of solid-liquid batch extraction was influenced by different solvent concentrations and temperatures. In solid-liquid batch extraction, more recovery of total polyphenols was obtained for 50% (v/v) aqueous methanol and at 333 K temperature. The total polyphenol obtained at optimum c

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36

Minchev, A., I. Penchev, and I. Tsibranska. "Solvent extraction in a static bed with solvent recirculation and longitudinal mixing." Journal of Engineering Physics 51, no. 4 (1986): 1144–47. http://dx.doi.org/10.1007/bf00870833.

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37

Setyawati, Harimbi, Yepta Octaria, Enggar Saraswati H, and Erni Yunita. "The Effect of Variation on Solvent Type and Starch Extraction Time on the Increased Level of Reducing Sugar from Jackfruit Straw Waste." International Journal of ChemTech Research 13, no. 1 (2020): 159–63. http://dx.doi.org/10.20902/ijctr.2019.130119.

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: Jackfruit straw is a part of jackfruit that does not experience pollination in the form of yellow fibers. Jackfruit straw has a composition consisting of 13.45% starch, 65.05% water. The potential content of jackfruit straw starch can be used as an alternative fuel, it was, bioethanol. This material can be converted to bioethanol through hydrolysis and fermentation processes. This study aimed to determine the effect of variations in the type of solvent and extraction time, used the type of solvent H2O, NaOH and NaHCO3 for starch which was then hydrolyzed and produced glucose as a raw materia

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38

Galaction, Anca-Irina, Alexandra-Cristina Blaga, and Dan Cascaval. "The influence of pH and solvent polarity on the mechanism and efficiency of folic acid extraction with Amberlite LA-2." Chemical Industry and Chemical Engineering Quarterly 11, no. 2 (2005): 63–68. http://dx.doi.org/10.2298/ciceq0502063g.

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Studies on the reactive extraction of folic acid with Amberlite LA-2 in three solvents of different polarity (n-heptane, chloroform, dichloromethane), at various extractant concentrations and pH-values of the aqueous solutions, indicated that the pH-value controls the extraction mechanism through the dissociation of carboxylic groups of folic acid. Thus, the solute and the extractant participate at the interfacial reaction at a molar ratio of 1:2 for pH below pK1, and 1:1 for pK1 < pH < pK2. The solvent polarity and pH-value exhibit a significant effect both on the extraction degree of f

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39

Chiarizia, Renato, and E. Philip Horwitz. "THE SOLVENT EXTRACTION OF SELECTED ORGANIC COMPLEXANTS BY TRUEX PROCESS SOLVENT∗." Solvent Extraction and Ion Exchange 5, no. 1 (1987): 175–94. http://dx.doi.org/10.1080/07366298708918560.

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40

INOUE, Katsutoshi, Ritsu YASUKAWA, Nobuaki MIURA, Yoshinari BABA, and Kazuharu YOSHIZUKA. "SOLVENT EXTRACTION OF MERCURY(II) WITH SOME SULFUR-CONTAINING EXTRACTING REAGENTS." Solvent Extraction and Ion Exchange 10, no. 5 (1992): 769–85. http://dx.doi.org/10.1080/07366299208918134.

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41

Basu, R., R. Prasad, and K. K. Sirkar. "Nondispersive membrane solvent back extraction of Phenol." AIChE Journal 36, no. 3 (1990): 450–60. http://dx.doi.org/10.1002/aic.690360314.

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42

Lav, Isaac, and Gordon Hayward. "Recovery of fatty acids by immobilized solvent extraction." Canadian Journal of Chemical Engineering 68, no. 3 (1990): 376–81. http://dx.doi.org/10.1002/cjce.5450680304.

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43

Baird, M. H. I. "Solvent extraction - the challenges of a “mature” technology." Canadian Journal of Chemical Engineering 69, no. 6 (1991): 1287–301. http://dx.doi.org/10.1002/cjce.5450690610.

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44

Stenström, Stig, and Stig Wingefors. "Solvent extraction of hydrofluosilicic acid with alamine 336." Canadian Journal of Chemical Engineering 64, no. 3 (1986): 426–31. http://dx.doi.org/10.1002/cjce.5450640310.

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45

Kim, Hyung-Jin, Min-Hwan Chi, and In-Kwon Hong. "Effect of ultrasound irradiation on solvent extraction process." Journal of Industrial and Engineering Chemistry 15, no. 6 (2009): 919–28. http://dx.doi.org/10.1016/j.jiec.2009.09.025.

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46

Saxena, Devesh, Surendra Sharma, and Surinder Sambi. "Kinetics and thermodynamics of gossypol extraction from defatted cottonseed meal by ethanol." Polish Journal of Chemical Technology 14, no. 2 (2012): 29–34. http://dx.doi.org/10.2478/v10026-012-0067-4.

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Kinetics and thermodynamics of gossypol extraction from defatted cottonseed meal by ethanol Gossypol is polyphenolic aldehyde, a toxic substance naturally present in cotton plant to protect it from insects, pests and diseases. Maximum gossypol is concentrated in the seed. After extraction of oil from the cottonseed, the defatted cottonseed meal which contains both the gossypol and proteinous matter is left behind. A number of attempts have been made using different solvents to extract gossypol from the seeds. However, all these efforts have remained in the realm of academic activity only as no

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47

HARADA, MAKOTO, and YOSHIKAZU MIYAKE. "Formulation of metal extraction rates in solvent extraction with chelating agents." Journal of Chemical Engineering of Japan 19, no. 3 (1986): 196–207. http://dx.doi.org/10.1252/jcej.19.196.

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48

Haq, Shamshad Ul, Maryam Aghajamali, and Hassan Hassanzadeh. "Cost-effective and sensitive anthocyanin-based paper sensors for rapid ammonia detection in aqueous solutions." RSC Advances 11, no. 39 (2021): 24387–97. http://dx.doi.org/10.1039/d1ra04069c.

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In this work, we studied the effect of different factors such as anthocyanin source, extraction technique, and extracting solvent on the sensitivity and optical visibility of anthocyanin-based paper sensors.

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49

Otu, Emmanuel O., and Alan D. Westland. "SOLVENT EXTRACTION WITH ORGANOPHOSPHONIC MONO-ACIDIC ESTERS." Solvent Extraction and Ion Exchange 8, no. 6 (1990): 759–81. http://dx.doi.org/10.1080/07366299008918029.

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50

Leonard, Ralph A., and Monica C. Regalbuto. "A SPREADSHEET ALGORITHM FOR STAGEWISE SOLVENT EXTRACTION*." Solvent Extraction and Ion Exchange 12, no. 5 (1994): 909–30. http://dx.doi.org/10.1080/07366299408918245.

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