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纳滤技术在大豆异黄酮洗脱液浓缩中的应用研究
Application of nanofiltration in concentration of soy isoflavones eluent
  
DOI：
中文关键词:  纳滤膜  大豆异黄酮  浓缩
英文关键词:nanofiltration membrane  soy isoflavones  concentration
基金项目:
Author NameAffiliation
CHEN Xuebing  
WU Lirong  
ZHOU Xuejin，etc  
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中文摘要:
      研究了纳滤技术在大豆异黄酮洗脱液浓缩中的应用。实验得到纳滤浓缩大豆异黄酮洗脱液的最佳运行条件为：纳滤膜截留相对分子质量150 Da，运行温度35℃，运行压力2.5 MPa；在最佳运行条件下，可将原料液固形物含量从1.82%浓缩至11%，浓缩比达到6.04，大豆异黄酮洗脱液中85%的乙醇溶液被分离出来，并且纳滤膜可以通过无水乙醇清洗再生反复使用。
英文摘要:
      The application of nanofiltration in concentration of soy isoflavones eluent to remove ethanol was studied.The optimal operation conditions were obtained as follows: the retent relative molecular weight of nanofiltration membrane 150 Da, operation temperature 35 ℃, operation pressure 2.5 MPa. Under these conditions, the solid content of feed concentrated from 1.82% to 11%, the concentration ratio reached 6.04, and 85% of ethanol was separated from soy isoflavones eluent. Furthermore, the nanofiltration membrane could be used repeatedly by ethanol washing.
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