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Effect of oxygen transfer rate on cellulases production in stirred tank and internal-loop airlift bioreactors

机译:氧气传输速率对搅拌釜和内环空运生物反应器中纤维素酶生产的影响

摘要

In an aerobic process, such as enzymes production by fungi, the oxygen supply into fermentation medium is an important factor in order to achieve good productivities. Oxygen has an important role in metabolism and microorganism growth, being of extreme importance the control of both the dissolved oxygen transfer rate into the bioreactor and the oxygen consumption by the microorganism [1,2]. Dissolved oxygen transfer rate can be analyzed and described by means of the mass transfer coefficient, KLa, being one of the most important parameters for the design and operation of mixing/sparging of aerobic bioreactors. (…)
机译:在好氧过程中,例如真菌产生的酶,发酵培养基中的氧气供应是获得良好生产率的重要因素。氧气在新陈代谢和微生物生长中起着重要作用,对溶解氧向生物反应器的转移速率和微生物的耗氧量的控制极为重要[1,2]。可以通过传质系数KLa来分析和描述溶解氧的传递速率,传质系数KLa是设计和操作好氧生物反应器混合/喷射的最重要参数之一。 (...)

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