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A new technique for separation and purification of L-phenylalanine from fermentation liquid: Flotation complexation extraction
Bi, P. Y.1; Dong, H. R.1; Yu, H. B.1; Chang, L.2
2008-10-22
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
Volume63Issue:2Pages:487-491
SubtypeArticle
AbstractCombining solvent sublation with complexation extraction, flotation complexation extraction (FCE) is proposed for the first time. This new technique was used to separate and purify L-phenylalanine from fermentation liquid with good results. The effects of extraction solvent, pH of the solution, NaCl concentration. concentration of di-(2-ethylhexyl) phosphoric acid (D2EHPA) in organic phase, nitrogen flow rate and flotation time on the separation efficiency Of L-phenylalanine were investigated in detail, and the optimal conditions for FCE were obtained. The flotation product from the fermentation liquid under optimal conditions, after back-extraction and re-crystallization, was characterized by FTIR and HPLC, and its purity was more than 98%. Furthermore. the mechanism of FCE was also primarily discussed. (C) 2008 Elsevier B.V. All rights reserved.
KeywordFlotation Complexation Extraction Solvent Sublation Complexation Extraction L-phenylalanine
WOS HeadingsScience & Technology ; Technology
WOS KeywordDI(2-ETHYLHEXYL) PHOSPHORIC-ACID ; DISTRIBUTION BEHAVIOR ; SOLVENT SUBLATION ; AMINO-ACIDS ; EMULSION MEMBRANES
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000260702600033
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5842
Collection青海盐湖研究所知识仓储
Affiliation1.Beijing Univ Chem Technol, Fac Sci, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Bi, P. Y.,Dong, H. R.,Yu, H. B.,et al. A new technique for separation and purification of L-phenylalanine from fermentation liquid: Flotation complexation extraction[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2008,63(2):487-491.
APA Bi, P. Y.,Dong, H. R.,Yu, H. B.,&Chang, L..(2008).A new technique for separation and purification of L-phenylalanine from fermentation liquid: Flotation complexation extraction.SEPARATION AND PURIFICATION TECHNOLOGY,63(2),487-491.
MLA Bi, P. Y.,et al."A new technique for separation and purification of L-phenylalanine from fermentation liquid: Flotation complexation extraction".SEPARATION AND PURIFICATION TECHNOLOGY 63.2(2008):487-491.
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