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Continuous enzymatic cellulose hydrolysis in a tubular membrane bioreactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
18573 42726 2006 7 PDF Available
Title
Continuous enzymatic cellulose hydrolysis in a tubular membrane bioreactor
Abstract

Cellulose hydrolysis by Celluclast 1.5L (Novozymes A/S, Denmark) enzyme preparation was studied in a special tubular membrane reactor, where a porous stainless steel filter was covered by a non-woven technical textile layer providing a fine, hairy surface for simultaneous adsorption of both the cellulose particles and the biocatalyst. Solka Floc BW 200 powder and Mavicell pellets were used as substrates in the process. Beyond the adsorption studies, the composite membrane was characterized, having 30 l/m2 bar h hydraulic permeability and an ability to retain both cellulose and enzyme, while glucose (product) permeated easily across the membrane. Using Solka Floc substrate experiments were carried out in both the hairy tubular and a “normal” flat sheet membrane bioreactor. It was found that 10% higher average conversion was possible to achieve in the special layered tubular unit compared to the “traditional” ultrafiltration membrane reactors. Finally, milled and sieved Mavicell pellets were applied as substrates, and 70% conversion was reached with the pretreated fraction.

Keywords
Hairy surface; Membrane bioreactor; Cellulose; Hydrolysis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 38, Issues 1–2, 3 January 2006, Pages 155–161
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us