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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
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
卷号63期号:2页码:487-491
文章类型Article
摘要Combining 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.
关键词Flotation Complexation Extraction Solvent Sublation Complexation Extraction L-phenylalanine
WOS标题词Science & Technology ; Technology
关键词[WOS]DI(2-ETHYLHEXYL) PHOSPHORIC-ACID ; DISTRIBUTION BEHAVIOR ; SOLVENT SUBLATION ; AMINO-ACIDS ; EMULSION MEMBRANES
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Chemical
WOS记录号WOS:000260702600033
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5842
专题青海盐湖研究所知识仓储
作者单位1.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
推荐引用方式
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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