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For over seventy years, APA-The Engineered Wood Association has focused on helping the industry create structural wood products of exceptional strength, versatility and reliability. Combining the rese...
乳状液膜包酶制备6-APA的研究
乳状液膜 反应器 制备
2009/3/4
Production of 6-aminopenicillanic acid (6-APA) by hydrolysis using penicillin acylase (PA) was studied as a model of an enzymatic emulsion liquid membrane (ELM) process. The loss of PA activity was ex...
基于膜分离过程的6-APA生产技术
膜分离 苯乙酸回收 制药工艺
2008/9/24
分离膜是一种特殊的具有选择性透过功能的薄层物质。用膜分离物质，不会产生相分离，且操作温度在室温左右，所以特别适用于解决诸如6－APA等对第三物质的分离。该项目在国内首次采用超涉世和纳涉世相结合的膜分离技术来分离6－APA，使产品的平均收率由86％－88％提高到90％以上，处于国内领先并达到国际领先水平；同时还提高了6－APA的质量，并对副产品苯乙酸回收利用，既降低了生产成本，又减少了苯乙酸排放造成...