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Extraction of Lipids from Wet Arthrospira platensis by Liquefied Dimethyl Ether 液化二甲醚法提取湿型平节螺旋藻脂质
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.47
Rintaro Hoshino, M. Ogawa, K. Murakami, Wahyudiono, H. Kanda, M. Goto
{"title":"Extraction of Lipids from Wet Arthrospira platensis by Liquefied Dimethyl Ether","authors":"Rintaro Hoshino, M. Ogawa, K. Murakami, Wahyudiono, H. Kanda, M. Goto","doi":"10.15261/SERDJ.24.47","DOIUrl":"https://doi.org/10.15261/SERDJ.24.47","url":null,"abstract":"Simple and energy-saving extraction of lipids and functional substances from wet Arthrospira platensis by using liquefied dimethyl ether (DME) is proposed. In the proposed method, drying of microalgae, cell wall breaking, heating for solvent evaporation is unnecessary. Direct extraction from wet A. platensis was successfully achieved. 94.2 wt% of the water in the A. platensis was removed by liquefied DME extraction and a dry residue was obtained. The amounts of carotenoid pigments extracted by liquefied DME were less than those by supercritical carbon dioxide (SC-CO2) extraction and hexane extraction. Also the amounts of carotenoid pigments extracted were smaller than those extracted with conventional solvents such as SCCO2 and hexane.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79967406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Precious Metal Extraction with Thiol and Dithioether Derivatives of a Trident Molecule 用三叉戟分子的硫醇和二硫醚衍生物萃取贵金属
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.77
K. Ohto, Hiroaki Furugou, Takuyou Yoshinaga, Shintaro Morisada, H. Kawakita, K. Inoue
{"title":"Precious Metal Extraction with Thiol and Dithioether Derivatives of a Trident Molecule","authors":"K. Ohto, Hiroaki Furugou, Takuyou Yoshinaga, Shintaro Morisada, H. Kawakita, K. Inoue","doi":"10.15261/SERDJ.24.77","DOIUrl":"https://doi.org/10.15261/SERDJ.24.77","url":null,"abstract":"Thiol and dithioether derivatives of tripodal extraction reagents have been newly prepared and employed to investigate the extraction behavior of precious metals. Both sulfur-containing compounds did not exhibit a pH dependency for precious metal extraction. The thiol type derivative exhibited a high extraction ability for gold(III), silver and palladium(II), and a 1 : 3 (extractant : metal) stoichiometry for gold(III) and silver. The results showed that the thiol derivative exhibited little structural effect due to the strong functionality of thiol group. The dithioether derivative also extracted gold(III), silver and palladium(II), however the silver extraction is caused by the structural effect of the tripodal framework, while gold(III) and palladium(II) extraction is probably attributed to a partial structural effect. The tripodal derivative possesses a high extraction ability compared with the corresponding monopodal compound. Tripodal and monopodal derivatives showed 1 : 1 and 1 : 2 (extractant : metal) stoichiometry for silver. This means that the tripodal derivative exhibited the structural effect as a size effect, converging effect of the multi functionality, complementary effect. The coordination site of the tripodal derivative was confirmed by 1H-NMR spectra before and after the silver loading. Stripping of the loaded silver from the tripodal derivative was also investigated. Finally, the stepwise separation of silver and palladium(II) was carried out and roughly achieved by using different eluents.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85124647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Separation of Cobalt and Nickel with 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester Using a Countercurrent Mixer-Settler Cascade 逆流混合-沉淀级联分离2-乙基己基膦酸单-2-乙基己基酯中的钴和镍
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.131
Teppei Watari, Daiki Takase, S. Nishihama, K. Yoshizuka
{"title":"Separation of Cobalt and Nickel with 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester Using a Countercurrent Mixer-Settler Cascade","authors":"Teppei Watari, Daiki Takase, S. Nishihama, K. Yoshizuka","doi":"10.15261/SERDJ.24.131","DOIUrl":"https://doi.org/10.15261/SERDJ.24.131","url":null,"abstract":"Separation of cobalt and nickel was investigated using a 4-stage countercurrent mixer-settler cascade, employing 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester as the extractant. Extraction equilibrium formulations were established up to high loading ratios and extraction constants were determined, based on a batch extraction system in both single metal and binary metal systems. The separation of cobalt and nickel was then carried out using the 4-stage countercurrent mixer-settler cascade. Selective extraction of cobalt was achieved by the extraction step, while a small amount of nickel was also extracted. Nickel in the organic solution was removed by scrubbing with the solution containing the metals, while the recovery of cobalt was decreased. The concentration profiles of the metals with the countercurrent mixer-settler cascade were calculated based on the determined extraction equilibrium formulations and the material balance, although the calculation diverged when the pH was high especially at the 4th stage.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86544027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Dewatering and Extraction of Hydrophilic Solutes and Essential Oils from Cryo-preserved Lemon Peels Using Liquefied Dimethyl Ether 用液化二甲醚脱水提取冷冻柠檬皮中的亲水性溶质和精油
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.37
Ayano Nakamura, Yuki Hara, T. Kawano
{"title":"Dewatering and Extraction of Hydrophilic Solutes and Essential Oils from Cryo-preserved Lemon Peels Using Liquefied Dimethyl Ether","authors":"Ayano Nakamura, Yuki Hara, T. Kawano","doi":"10.15261/SERDJ.24.37","DOIUrl":"https://doi.org/10.15261/SERDJ.24.37","url":null,"abstract":"Ayano NAKAMURA1, Yuki HARA1 and Tomonori KAWANO1-3* 1 Faculty and Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, Japan; 2 International Photosynthesis Industrialization Research Center, The University of Kitakyushu, Kitakyushu, Japan; 3 University of Florence-LINV Kitakyushu Research Center (LINV@Kitakyushu), Kitakyushu, Japan (Received July 21, 2016; Accepted October 10, 2016)","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79235629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Extraction and Separation of Se, Zr, Pd, and Cs Including Long-Lived Radionuclides 含长寿命放射性核素的Se, Zr, Pd, Cs的萃取与分离
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.113
Y. Sasaki, Keisuke Morita, Shin'ichi Suzuki, H. Shiwaku, Ito Keisuke, Takahashi Yuya, M. Kaneko
{"title":"Extraction and Separation of Se, Zr, Pd, and Cs Including Long-Lived Radionuclides","authors":"Y. Sasaki, Keisuke Morita, Shin'ichi Suzuki, H. Shiwaku, Ito Keisuke, Takahashi Yuya, M. Kaneko","doi":"10.15261/SERDJ.24.113","DOIUrl":"https://doi.org/10.15261/SERDJ.24.113","url":null,"abstract":"The solvent extraction of Se(IV), Zr(IV), Pd(II), and Cs(I) from nitric acid into 1-octanol (OC), or 1-octanol and n -dodecane has been performed. These elements include long-lived radionuclides in spent nuclear fuels, so a simple separation method is indispensable for the development of the treatment of high-level liquid radioactive waste. It was found that Se can be extracted using phenylenediamine, Zr(IV) can be extracted using tetraoctyl diglycolamide and di-2-ethylhexyl phosphoric acid, and Pd can be extracted using (methylimino)bis( N , N -dioctylacetamide) and N , N , N ’, N ’, N ”, N ”-hexaoctylnitrilotriacetamide. These elements can be recovered in over 90% yield by these extractants from nitric acid into OC. A distribution ratio of Cs(I) of greater than 1 can be obtained using di-t-butyldibenzo-18-crown-6. It is clear that 90% recovery of Cs(I) can be achieved using an extraction solvent with ten times the volume of the aqueous phase.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84182062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Extraction of Gold(III) Using Cyclopentyl Methyl Ether in Hydrochloric Acid Media 环戊基甲基醚在盐酸介质中萃取金(III
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2017-01-01 DOI: 10.15261/SERDJ.24.89
T. Oshima, Naoki Ohkubo, Iori Fujiwara, T. Horiuchi, Takao Koyama, K. Ohe, Y. Baba
{"title":"Extraction of Gold(III) Using Cyclopentyl Methyl Ether in Hydrochloric Acid Media","authors":"T. Oshima, Naoki Ohkubo, Iori Fujiwara, T. Horiuchi, Takao Koyama, K. Ohe, Y. Baba","doi":"10.15261/SERDJ.24.89","DOIUrl":"https://doi.org/10.15261/SERDJ.24.89","url":null,"abstract":"Recently, cyclopentyl methyl ether (CPME) has found use as a commercially available solvent for various applications. As CPME shows better properties such as more hydrophobicity, less solublity in water, less volatility, and more stablity compared with typical ethereal solvents, it could be used as a diluent or an extractant in liquid-liquid extraction systems. In the present study, CPME was found to be useful for the extraction of Au(III) in hydrochloric acid media. Extraction of Au(III) increased with as increase in the hydrochloric acid concentration. Au(III) was selectively extracted using CPME from other precious metal ions and base metal ions. From the result of the dependency of the Au(III) concentration, CPME can load at least 0.93 g/dm3 Au(III). Extracted Au(III) was quantitatively stripped from CPME using 0.1 M aqueous thiourea solution. As the solubility of water into CPME is much smaller than that into alcohols such as 1-hexanol, CPME is more favorable as an extractant for Au(III) in hydrochloric acid media.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76075952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Formaldehyde Removal by Using Solid Phase Extraction with an Imination Reaction on an Amine Type Trident Molecule-Impregnated Resin 胺型三叉戟分子浸渍树脂固相萃取与模拟反应去除甲醛
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2016-01-01 DOI: 10.15261/SERDJ.23.181
K. Ohto, Y. Hashimoto, Y. Ueda, Ayahiro Yamashita, Shintaro Morisada, H. Kawakita
{"title":"Formaldehyde Removal by Using Solid Phase Extraction with an Imination Reaction on an Amine Type Trident Molecule-Impregnated Resin","authors":"K. Ohto, Y. Hashimoto, Y. Ueda, Ayahiro Yamashita, Shintaro Morisada, H. Kawakita","doi":"10.15261/SERDJ.23.181","DOIUrl":"https://doi.org/10.15261/SERDJ.23.181","url":null,"abstract":"Solid phase extractive removal of harmful formaldehyde with an imination reaction on a resin impregnated with a trident amine derivative has been investigated to compare the removal behavior with extractive removal with the trident amine derivative reported in the previous work. The impregnated resin also effectively removed formaldehyde while maintaining the extractive removal performance of the impregnated triamine. In particular, the leakage of the impregnated amine was significantly suppressed in the solid phase extraction with the impregnated resin compared with that in the extraction system.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76545123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Masking Effects for Mo, Re, Pd and Ru by S and N-Donor Reagents through MIDOA and Ntaamide Extraction S和n供体试剂通过MIDOA和酰胺萃取对Mo、Re、Pd和Ru的掩蔽作用
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2016-01-01 DOI: 10.15261/SERDJ.23.161
Y. Sasaki, Keisuke Morita, S. Shimazaki, Yasuhiro Tsubata, M. Ozawa
{"title":"Masking Effects for Mo, Re, Pd and Ru by S and N-Donor Reagents through MIDOA and Ntaamide Extraction","authors":"Y. Sasaki, Keisuke Morita, S. Shimazaki, Yasuhiro Tsubata, M. Ozawa","doi":"10.15261/SERDJ.23.161","DOIUrl":"https://doi.org/10.15261/SERDJ.23.161","url":null,"abstract":"In this study, we examined the masking effects of 16 water-miscible reagents, on the extraction of Mo, Re, Ru, and Pd. These reagents included soft Nand/or Sdonor atoms in their structures and they function as multidentate ligands. The extractants, methylimino-N,N-dioctylacetamide (MIDOA) and N,N,N’,N’,N’’,N’’-hexaoctyl-nitrilotriacetamide (NTAamide(C8)), show significantly high distribution ratios for these metals(D(M)), were employed in this study. Masking effects were observed as a decrease in D(M) with an increase of masking agent concentration in these extraction systems. The results showed that D(Pd) can be considerably decreased by the addition of thiourea, cysteine, cysteamine, trisaminoethylamine, and diethylenetriamine, and D(Ru) is decreased by the addition of thiourea, trisaminoethylamine, and diethylenetriamine. Pd and Ru can be masked by similar reagents including Nor Sdonor atoms, which suppressed the extraction into the organic phase. In contrast, D(Mo) was only slightly masked by the above-mentioned reagents. The masking of Mo was achieved using methylimino-N,N’-diethylacetamide, hexaethyl-nitrilotriacetamide, iminodiacetic acid, and iminodimethylphosphonic acid, which have a central N(CH2C(P)=O)2 framework that is important for this purpose. A masking agent for Re was not found in this study.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82913362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Diglycolamic Acid–Grafted Film-Type Adsorbent for Selective Recovery of Rare Earth Elements 二乙醇酸接枝膜型吸附剂用于稀土元素的选择性回收
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2016-01-01 DOI: 10.15261/SERDJ.23.121
Takeshi Ogata, H. Narita, Mikiya Tanaka, Y. Muraki, H. Higuchi, Masaya Nishigawara
{"title":"Diglycolamic Acid–Grafted Film-Type Adsorbent for Selective Recovery of Rare Earth Elements","authors":"Takeshi Ogata, H. Narita, Mikiya Tanaka, Y. Muraki, H. Higuchi, Masaya Nishigawara","doi":"10.15261/SERDJ.23.121","DOIUrl":"https://doi.org/10.15261/SERDJ.23.121","url":null,"abstract":"","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91184500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Solvent Extraction of Lanthanum(III) and Europium(III) from Nitrate Media by Aminooctyldimethylene Diphosphonic Acid 氨基辛基二亚甲基二膦酸萃取硝酸介质中镧(III)和铕(III)的研究
IF 0.7 4区 工程技术
Solvent Extraction Research and Development, Japan Pub Date : 2016-01-01 DOI: 10.15261/SERDJ.23.51
Imane Boulenouar, M. Kaid, Okkacha Abbes, D. Villemin
{"title":"Solvent Extraction of Lanthanum(III) and Europium(III) from Nitrate Media by Aminooctyldimethylene Diphosphonic Acid","authors":"Imane Boulenouar, M. Kaid, Okkacha Abbes, D. Villemin","doi":"10.15261/SERDJ.23.51","DOIUrl":"https://doi.org/10.15261/SERDJ.23.51","url":null,"abstract":"The solvent extraction of lanthanum(III) and europium(III) by aminooctyldimethylene diphosphonic acid from nitrate media was investigated. The extraction percent of lanthanum(III) and europium(III) was measured as a function of various parameters such as: volume ratio, shaking time, the concentration of aminooctyldimethylene diphosphonic acid, ionic strength and media pH. The metal concentration in the aqueous phase before and after extraction was determined spectrophotometrically by the Arsenazo III method. The extracted species and equilibrium extraction equations were determined by the slope analysis method. It was found that adding KNO3 at a concentration of 0.1 M significantly enhances the extraction yield for lanthanum(III) and europium(III). Decreasing the media pH caused a gradual decrease of extraction yields. The obtained results showed that extraction of lanthanum(III) and europium(III) from nitrate media using aminooctyldimethylene diphosphonic acid in chloroform is quantitative under well-defined conditions.","PeriodicalId":21805,"journal":{"name":"Solvent Extraction Research and Development, Japan","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86637425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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