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期刊论文

Optimal operation ofan integrated bioreaction-crystallization process for continuous production of calcium gluconate using external loop airlift columns

鲍杰Jie Bao a Kenichi Koumatsu a Keiji Furumoto b Makoto Yoshimoto a Kimitoshi Fukunaga a Katsumi Nakao a; ∗

Chemical Engineering Science 56 (2001) 6165-6170,-0001,():

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摘要/描述

A kinetic model was proposed to optimize the integrated bioreaction–crystallization process newly developed for production of calcium gluconate crystals using external loop airlift columns. The optimal operating conditions in the bioreactor were determined using an objective function de3ned to maximize the productivity as well as to minimize biocatalyst loss. The optimization of the crystallizer was carried out by matching the crystallization rate to the optimal production rate in the bioreactor because the bioreaction was found to be the rate controlling process. The calcium gluconate productivity under the optimal conditions of the integrated process was obtained by the simulation based on the process model. The productivity ofthe proposed process was found to be comparable to that ofthe current batch fermentation process.

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