双极膜电渗析法制备乳酸

被引:8
作者
罗铁红
陈碧娥
机构
[1] 华侨大学生物工程与技术系
关键词
双极膜; 电渗析; 乳酸;
D O I
10.16159/j.cnki.issn1007-8924.2007.04.006
中图分类号
TQ922.9 [];
学科分类号
081703 ; 082203 ;
摘要
利用两室型双极膜电渗析法从乳酸钠溶液中制备乳酸.探讨了电渗析过程中的转化率、电流效率、能耗、回收率等指标.实验结果表明,JCM-1膜比DF120膜更适合于本实验过程;在乳酸钠的转化率为95%的条件下,乳酸的回收率达到90%以上,电流效率在60%左右,电能消耗在2.5~3.5 kW.h/kg之间.膜的耐久性还需提高.
引用
收藏
页码:66 / 69+79 +79
页数:5
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