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Title: Anaerobic treatment of slaugterhouse wastewater: evaluating operating conditions
Authors: Chollom, Martha Noro
Rathilal, Sudesh
Swalaha, Feroz M. 
Bakare, Babatunde F. 
Tetteh, Emmanuel K. 
Keywords: Anaerobic digestion;Hydraulic retention time;Organic loading rate;Chemical oxygen demand;Slaughterhouse waste waters;Biogas
Issue Date: 11-Dec-2019
Publisher: WIT Press
Source: Chollom, M. N., Rathilal, S., Swalaha, F. M., Bakare, B. F., Tetteh, E.K. 2019. Anaerobic treatment of slaugterhouse wastewater: evaluating operating conditions. Water and Society V. Presented at: Water and Society V, 2019. 239: 251-262. doi:10.2495/ws190221
Journal: Water and Society 
Conference: Fifth International Conference on Water and Society 
Abstract: The aim of the study was to elucidate the effect of process parameters on the performance of an upflow anaerobic sludge blanket reactor (UASB) that was treating slaughterhouse wastewater. The UASB reactor was operated continuously under mesophilic conditions to evaluate its performance with respect to the removal of organics and, at the same time, monitor biogas production. Organic loading rate (OLR) was varied while keeping the hydraulic retention time (HRT) constant. Chemical oxygen demand (COD) removal efficiency higher than 75% was achieved at an OLR of 9 kg.COD.m-3.d-1, with a HRT of 12 h. Bulking sludge problems were not observed during the reactor operation period. Stability of the treatment process was achieved by the natural buffering of the system due to the produced alkalinity and also due to the characteristics of the wastewaters which was found to be rich in proteins and fatty acids.
ISBN: 9781784663575
ISSN: 1746-448X
1743-3541 (Online)
DOI: 10.2495/ws190221
Appears in Collections:Research Publications (Engineering and Built Environment)

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