Journal
ACS OMEGA
Volume 5, Issue 16, Pages 9151-9161Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.9b04368
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Funding
- Natural Science Foundation of Shandong Province [ZR2016EEM33]
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Wheat straw was pretreated with either CaO2 or CaO to improve biohydrogen production. Both CaO and CaO2 pretreatments improved the biodegradability of the wheat straw. CaO pretreatment raised the H-2 yield by between 48.8 and 163.9% at CaO contents ranging from 2 to 4%. The highest H-2 yield [144 mL/g total solid (TS)] was obtained at 121 degrees C and 6% CaO. In addition, the highest H-2 yield from wheat straw pretreated at the same temperature and dosage of CaO2 was 71.8 mL/g TS, which was higher than that of the control group (43.2 mL/g TS), with hot water (121 degrees C) treatment. Considering pretreatment costs and H(2 )production potential, CaO was a better pretreatment agent than CaO2.
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