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Paper Title :
Co-Digestion Of Cattle Manure And Sewage Sludge – Effects On Biodegradation Rates

Author :Renata D’arc Coura, Ana Ferraz, Ana Cristina Rodrigues

Article Citation :Renata D’arc Coura ,Ana Ferraz ,Ana Cristina Rodrigues , (2016 ) " Co-Digestion Of Cattle Manure And Sewage Sludge – Effects On Biodegradation Rates " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 88-91, Volume-4,Issue-1

Abstract : Anaerobic digestion of cattle manure (CM) as single substrate and the co-digestion with sewage sludge wastewater (SSW) was conducted at mesophilic temperature (35ºC) to investigate the feasibility of the co-digestion process. The anaerobic co-digestion of CM with SSW provided a higher removal efficiency in terms of total COD (60%) when compared to anaerobic digestion of CM or SSW. However, the high values of the ratio tCOD/TKN suggest that the C/N ratio may not be proper for the biomethanation process. The organic matter biodegradation rate observed for co-digestion of SSW and CM was 0.13±0.02gO2 gVSS-1 d-1, higher than single-digestions of CM and SSW. The results obtained suggest that anaerobic co-digestion of cattle manure and sewage sludge, at mesophilic condition (35ºC), is a viable solution in terms of increased biodegradability of substrates, seeking higher quality and quantity of biogas produced. Keywords- Anaerobic digestion, Biogas, Biodegradability, Cattle manure, Sewage sludge.

Type : Research paper

Published : Volume-4,Issue-1


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-3647   View Here

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