全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

醇沉-萃取法提取(2S,5S)-2,5-己二醇

DOI: 10.11830/ISSN.1000-5013.2010.02.0196, PP. 196-199

Keywords: (S,S)-,-己二醇,醇沉,萃取,发酵液

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用醇沉-萃取法,从生物转化发酵液中提取(2S,5S)-2,5-己二醇,并考察醇沉、萃取和结晶的工艺条件.结果表明,醇沉时,加入的乙醇与浓缩发酵液的最佳体积比为2∶1,pH值对醇沉效果影响显著,强碱和强酸条件下可使大部分杂质析出.经乙酸乙酯连续5次萃取,醇沉浓缩液中2,5-己二醇的萃取率达75.0%.通过优化后的工艺进行分离纯化,发酵液中2,5-己二醇总提取率为49.2%,纯度≥98.0%,(2S,5S)-2,5-己二醇的光学纯度值在提纯前后均为94.5%.

References

[1]  BURK M. Modular phospholane ligands in asymmetric catalysis [J]. Accounts of Chemical Research, 2000(6):363-372.
[2]  乐长高, 胡焱. DuPHOS在不对称催化氢化中的研究进展 [J]. 化工时刊, 2002, (10):18-21.doi:10.3969/j.issn.1002-154X.2002.10.005.
[3]  梅余霞, 谢晓兰, 万宁. 木糖醇发酵液脱色的优化工艺 [J]. 华侨大学学报(自然科学版), 2000(4):394-398.doi:10.3969/j.issn.1000-5013.2000.04.014.
[4]  JANUSZ J M. Evaluation of liquid extraction potentials for downstream separation of 1, 3-propanediol [J]. Biotechnology Techniques, 1999(1):127-130.
[5]  NORTON T, CORBIN D R. Process to separate 1, 3-propanediol or glycerol or a mixture thereof from a biological mixture [P]. US, 6603048, 2003.
[6]  HILALY A K, BINDER T P. Method of recovering 1, 3-propanediol from a fermentation broth [P]. US, 6479716, 2005.
[7]  LI S, TUAN V A, FALCONER J L. Separation of 1, 3-propanediolfrom glycerol and glucose using a ZSM-5 zeolite membrane [J]. Journal of Membrane Science, 2001(1):53-59.
[8]  LI S, TUAN V A, FALCONER J L. X-type zeolite membranes:Preparation, characterization, and pervaporat-ion performance [J]. Microporous and Mesoporous Materials, 2002, (1/3):59-70.
[9]  JOAN K, LIESER. A simple synthesis of (S, S)-2, 5-hexanediol [J]. Synthetic Communications, 1983(9):765-767.
[10]  连少鸿, 肖美添, 张亚武. 面包酵母催化不对称还原2, 5-己二酮 [J]. 化学研究与应用, 2008(1):45-48.doi:10.3969/j.issn.1004-1656.2008.01.009.
[11]  KIM B H, LEE H B, HWANG J K. Asymmetric induction in the conjugate addition of thioacetic acid to methacrylamides with chiral auxiliaries [J]. Tetrahedron, 2005(6):1215-1220.doi:10.1016/j.tetasy.2005.01.037.
[12]  COBLEY C J, LENNON I C, MC C R. On the economic application of DuPHOS rhodium(Ⅰ) catalysts:A comparison of COD versus NBD precatalysts [J]. Tetrahedron Letters, 2001, (42):7481-7483.doi:10.1016/S0040-4039(01)01552-0.
[13]  ROTURIER J M, FOUACHE C, BERGHMANS E. Process for purification of 1, 3-propanediol from a fermentation medium [P]. US, 6428992, 2000.
[14]  肖美添, 连少鸿, 张亚武. 气相色谱法测定酵母转化2, 5-己二酮发酵液中的主要成分 [J]. 分析试验室, 2009, (21):94-97.doi:10.3969/j.issn.1000-0720.2009.02.024.
[15]  董建勋, 肖美添, 连少鸿. 柱前衍生化-毛细管柱气相色谱法分离2, 5-己二醇对映体 [J]. 分析试验室, 2006, (10):79-82.doi:10.3969/j.issn.1000-0720.2006.10.021.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133