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首页> 外文会议>7th Conference of Food Engineering (CoFE 2001) and A Topical Conference of 2001 AIChE Annual Meeting, Nov 5-9, 2001, Reno, NV >PROCESS DESIGN TARGETED AROUND ELECTROMEMBRANE OPERATIONS FOR THE RECOVERY OF ORGANIC ACIDS FROM FERMENTATION BROTH
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PROCESS DESIGN TARGETED AROUND ELECTROMEMBRANE OPERATIONS FOR THE RECOVERY OF ORGANIC ACIDS FROM FERMENTATION BROTH

机译：围绕着膜操作的工艺设计，可从发酵液中回收有机酸

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摘要

Organic acids are increasingly used for various industrial applications. Their production is mainly achieved by fermentation and traditionally involve precipitation or extraction operations which generate huge amount of effluents. To lower this environmental impact, a process targeted around electromembrane operations was investigated. This process involves conventional and bipolar membrane electrodialysis steps for the concentration and the conversion of the organic acid salt respectively. Both operations are investigated with lactic acid as case study using the same methodology, which is based on the coupling of a theoretical and an experimental approach. In this manner, design tools are obtained thanks to which both product and effluent lines can be characterised so that the advantages of introducing such operations in the organic acid production processes can be evaluated.
机译：有机酸越来越多地用于各种工业应用。它们的生产主要通过发酵来实现，并且传统上涉及沉淀或提取操作，这会产生大量的废水。为了降低这种环境影响，研究了针对电膜操作的工艺。该过程涉及常规的和双极性的膜电渗析步骤，分别用于浓缩和转化有机酸盐。案例研究使用相同的方法，对乳酸和乳酸进行了研究，这是基于理论方法和实验方法的结合。以这种方式，获得了设计工具，通过该设计工具可以表征产品线和废水线，从而可以评估在有机酸生产过程中引入这种操作的优势。

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