Optimum temperature policy for batch reactors performing biochemical reactions in the presence of enzyme deactivation

T. I. Lopes, F. X. Malcata

Research output: Contribution to journalArticlepeer-review

Abstract

A necessary condition is found for the optimum temperature policy which leads to the minimum reaction time for a given final conversion of substrate in a well stirred, enzymatic batch reactor performing an enzyme-catalyzed reaction following Michaelis-Menten kinetics in the presence of first order enzyme decay. The reasoning, which is based on Euler's classical approach to variational calculus, is relevant for the predesign steps because it indicates in a simple fashion which temperature program should be followed in order to obtain the maximum advantage of existing enzyme using the type of reactor usually elected by technologists in the fine biochemistry field. In order to highlight the relevance and applicability of the work reported here, the case of optimality under isothermal operating conditions is considered and a practical example is worked out.
Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalBioprocess Engineering
Volume9
Issue number2-3
DOIs
Publication statusPublished - May 1993

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