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- W2364790517 abstract "A membrane bioreactor comprised of a fermentor of 5 L and a pervaporation module of 0.08 m2 PDMS membrane was developed for ethanol production by continuous and close circulation fermentation. The kinetic properties of fermentation and membrane performances in the bioreactor were experimentally investigated under long-term continuous operation of the system. A permeate of 17%~28% (wt%) ethanol was extracted while maintaining a level of 30~60 g·L-1 ethanol in the stirred-tank fermentor. The system exhibits good running stability. During continuous operation, cell densities of 10~24.8 g·L-1 and ethanol productivity of 2.33~3.99 g·L-1·h-1 were achieved with utilizing feed streams of 30~50 g·L-1 glucose. Pervaporation flux and selectivity for ethanol were 800~1050 g·m-2·h-1 and 5.1-8.6, respectively. During ferment of 269 hours, the total amount of ethanol produced is 1999 g. Ethanol conversion is 87.2%, and the recovery efficiency of carbon is about 90%. The amount of wastewater released through ferment is roughly equal to two times of ethanol product, which is about 22.2% of that discharged from the conventional ferment technology." @default.
- W2364790517 created "2016-06-24" @default.
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- W2364790517 date "2007-01-01" @default.
- W2364790517 modified "2023-09-23" @default.
- W2364790517 title "Scale-up of Continuous Ethanol Fermentation in a Silicone Rubber Membrane Bioreactor and Study on its Fermentation System Performance" @default.
- W2364790517 hasPublicationYear "2007" @default.
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