The membrane reactor in the fine chemicals industry

The enzyme-membrane reactor (EMR) is a well established mode for running continuous biocatalytic processes. One of Degussa’s strengths is expertise with EMRs on scales of five orders of magnitude, up to production scale of several hundred tons per year. In this article, an analogous chemzyme membran...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2001, Vol.221 (1), p.171-185
Main Authors: Wöltinger, Jens, Drauz, Karlheinz, Bommarius, Andreas S.
Format: Article
Language:English
Subjects:
Biological membranes
Bioreactors
Catalysis
Catalyst half-life
Chemical industry
Chemzyme membrane reactor
Enzyme membrane reactor
Enzymes
Moisture control
Nanofiltration
Total turnover number
Turnover frequencies
Ultrafiltration
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Summary:The enzyme-membrane reactor (EMR) is a well established mode for running continuous biocatalytic processes. One of Degussa’s strengths is expertise with EMRs on scales of five orders of magnitude, up to production scale of several hundred tons per year. In this article, an analogous chemzyme membrane reactor (CMR) is introduced. Current status with respect to relevant catalytic quantities such as turnover frequencies (TOFs), total turnover number (TTN), and catalyst half-life ( τ 1/2) is discussed. First experiments with a pilot-scale CMR have been conducted. However, for easy scalability, more durable nanofiltration (NF) or ultrafiltration (UF) membranes as well as improved moisture control are necessary.
ISSN:0926-860X
1873-3875
DOI:10.1016/S0926-860X(01)00812-2