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Product feedback inhibitions exist in the industrial fermentation process, and limit the production performance of fermentation. Integration of fermentation and separation of fermentative products is the major way to release product inhibition. In-situ separations remove products from the culture media in a timely manner in the fermentation process. It could reduce product inhibition, control pH,...
Acetic acid has a strong inhibitory effect on bacteria growth, substract utilization and hydrogen production. Separation of acetic acid from fermentative bio-hydrogen production broth is helpful for releasing the product feedback inhibition and promoting the hydrogen producing capacity. In order to find out an efficient separation method of acetic acid from fermentation broth, the actual tests were...
Continuous stirred-tank reactor (CSTR) was employed to investigate immobilization technology applied to hydrogen bio-production with molasses wastewater as substrate. The immobilized system has the better solid fluid separation effect, and without bacteria overflow under high dilution rate (or low retention time), all of which show the potential of degenerating organic matters to molecular hydrogen...
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