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Methane enhancement through oxidative cleavage and alkali solubilization pre-treatments for corn stover with anaerobic activated sludge

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2016Publisher:Elsevier BVJournal:Bioresource Technology, volume 200, pages 405-412 (issn: 0960-8524,

Authors: Muhammad Hassan; Weimin Ding; Jinhua Bi; Esmaeil Mehryar; Zahir Ahmed Ali Talha; Hongying Huang;

doi: 10.1016/j.biortech.2015.09.115

pmid: 26512865

Methane enhancement through oxidative cleavage and alkali solubilization pre-treatments for corn stover with anaerobic activated sludge

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Abstract

In the present study, thermo-chemical pre-treatment was adopted to evaluate methane production potential from corn stover by co-digesting it with anaerobic activated sludge. Three chemicals H2O2, Ca(OH)2 and NaOH were selected with two levels of concentration. All thermo-chemical pre-treatments were found significant (P<0.05) to enhance lignocellulosic digestibility and methane production. The results indicated that the methane yield by H2O2-1, H2O2-2, and NaOH-2 treated corn stover were 293.52, 310.50 and 279.42ml/g.VS which were 57.18%, 66.27% and 49.63% higher than the untreated corn stover respectively. In the previous studies pre-treatment time was reported in days but our method had reduced it to about one hour. H2O2-2 and NaOH-2 treatments remained prominent to increase lignocellulosic degradation vigorously up to 45% and 42% respectively. Process biochemistry during the anaerobic digestion process was taken into consideration to optimize the most feasible thermo-chemical pre-treatment for corn stover.

Related Organizations

Jiangsu Academy of Agricultural Sciences
China (People's Republic of)
Nanjing Agricultural University
China (People's Republic of)
Nanjing Agricultural University
China (People's Republic of)

Keywords

Biological Oxygen Demand Analysis, Sewage, Hydrogen Peroxide, Alkalies, Hydrogen-Ion Concentration, Fatty Acids, Volatile, Lignin, Zea mays, Refuse Disposal, Polysaccharides, Alcohols, Anaerobiosis, Methane

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%