Mesophilic and Thermophilic Biomethane Production by Co-Digesting Pretreated Petrochemical Wastewater With Beef and Dairy Cattle Manure

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Abstract

The use of pretreated petrochemical wastewater as provender wastewater for anaerobic degradation was explored in a continuous stirred tank reactor with dairy and beef cattle manure, under both mesophilic and thermophilic states. The co-digestion of the wastewaters contributed 50% enhancement in methane production, followed by a 98 ± 0.5% reduction in chemical oxygen demand at 10 days hydraulic retention time. No VFA aggregation was identified. In comparison with the digestion of PWW alone, methane yield increased by 50–60% under mesophilic conditions and 50–65% under thermophilic conditions due to co-digestion.

Item Type:	Article
Subjects:	T Technology > TP Chemical technology T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division:	Faculty of Chemical & Natural Resources Engineering Faculty of Civil Engineering & Earth Resources
Depositing User:	Mrs. Neng Sury Sulaiman
Date Deposited:	22 May 2014 07:03
Last Modified:	17 Jan 2018 02:57
URI:	http://umpir.ump.edu.my/id/eprint/5817
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