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Performance of a membrane reactor for cellobiose hydrolysis

TitlePerformance of a membrane reactor for cellobiose hydrolysis
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication1989
AuthorsPizzichini, Massimo, Fabiani Claudio, Adami A., and Cavazzoni V.
JournalBiotechnology and Bioengineering
Volume33
Pagination955 - 962
Date Published1989///
Abstract

A continuous enzymatic hollow fiber reactor (HFR), obtained by immobilizing cellobiose active cells into the shell side of hollow-fiber modules, was studied. The HFR yield was monitored by glucose analysis resulting from hydrolysis of cellobiose. The residence time of substrate in the bioreactor to obtain convenient hydrolysis yields was calculated from tests carried out by varying the reactor dilution rate in the range 0.001-0.004 L/min. The glucose yield was measured for 300 h (continuous substrate flux). The yield decreased from 40 to 15%. This decrease was due to the loss of specific activity in the operating conditions and to the pressure drop increase from 0.2 to 1.7 atm. The pressure drop increase is in turn dependent on the cell loading (0.2-2.1 g dry cell) and the substrate flux.

Notes

Cited By (since 1996): 1Export Date: 21 January 2011Source: Scopus

URLhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0024622068&partnerID=40&md5=d813f8540d049df812bba53a1dd6b1a5
Citation Key955