4-43 Effect of Aeration Rate on the Cellulase Production of Aspergillus niger and Mixed Fermentation with Trichoderma reesei

摘要

In recent years,growing attention has been devoted to maximize the yield for the cellulase production in a bioreactor depending on the specific process.However,there are many factors that affected the fermentation performance and cellulase production,such as aeration rate,agitation speed,pH value,temperature[1].The aeration rate is a key factor for mycelia growth and enzyme production,due to aeration rate conditions influence mass transfer by affecting the bubble size,air hold up and turbulance within the vessel as well as biomass production[2],and provides air flow,oxygen transfer,and removal of generated carbon dioxide under submerged fermentation.Therefore,aeration rate optimization plays a crucial role in cellulase production.