Record number :
1926462
Title of article :
Enhanced coproduction of hydrogen and methane from cornstalks by a three-stage anaerobic fermentation process integrated with alkaline hydrolysis
Author/Authors :
Cheng، نويسنده , , Xi-Yu and Liu، نويسنده , , Chun-Zhao، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Pages :
7
From page :
373
To page :
379
Abstract :
A three-stage anaerobic fermentation process including H2 fermentation I, H2 fermentation II, methane fermentation was developed for the coproduction of hydrogen and methane from cornstalks. Hydrogen production from cornstalks using direct microbial conversion by Clostridium thermocellum 7072 was markedly enhanced in the two-stage thermophilic hydrogen fermentation process integrated with alkaline treatment. The highest total hydrogen yield from cornstalks in the two-stage fermentation process reached 74.4 mL/g-cornstalk. The hydrogen fermentation effluents and alkaline hydrolyzate were further used for methane fermentation by anaerobic granular sludge, and the total methane yield reached 205.8 mL/g-cornstalk. The total energy recovery in the three-stage anaerobic fermentation process integrated with alkaline hydrolysis reached 70.0%.
Keywords :
alkaline hydrolysis , Cornstalk , Methane fermentation , Clostridium thermocellum , Two-stage hydrogen fermentation
Journal title :
Bioresource Technology
Journal title :
Bioresource Technology
Serial Year :
2012
Link To Document :
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