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Influence of flow rate variation on bio-energy generation during anaerobic co-digestion
Md. Nurul Islam Siddique,A.W. Zularisam,M. Sakinah 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.27 No.-
The anaerobic biodegradability of a combination of petrochemical wastewater (PWW) and thickenedmanure activated sludge (TMAS) was measured with a 4.5 l pilot-scale continuous stirred tank reactor,ran at mesophilic (37 8C) condition. The anaerobic digestion, biogas generation, and energy assessmentwere analyzed for ten flow rates; 170, 220, 300, 370, 410, 475, 540, 600, 640 and 680 ml/day atmesophilic condition (37 8C). The analytical data revealed that the environmentally complied optimumflow rate was 370 ml/day, for bio-energy generation.
Md. Nurul Islam Siddique,A.W. Zularisam,Mimi Sakinah Abd Munaim 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.1
The use of pretreated petrochemical wastewater as provender wastewater for anaerobic degradationwas explored in a continuous stirred tank reactor with dairy and beef cattle manure, under bothmesophilic and thermophilic states. The co-digestion of the wastewaters contributed 50% enhancementin methane production, followed by a 98 ± 0.5% reduction in chemical oxygen demand at 10 days hydraulicretention time. No VFA aggregation was identified. In comparison with the digestion of PWW alone, methaneyield increased by 50–60% under mesophilic conditions and 50–65% under thermophilic conditions due toco-digestion.