Effects of additive additions on up-flow anaerobic sludge blanket reactor performance
TL;DRAbstract
In anaerobic wastewater treatment micro-organisms convert the organic compounds in the wastewater in the absence of oxygen and produce energy-rich biogas. Biogas consists mainly of methane and carbon dioxide and it may be used in electricity and heat production. Up-flow anaerobic sludge bed reactor (UASB) is one of the most used anaerobic wastewater treatment technologies. Sludge bed inside the reactor consist of microbial aggregates called granules. \nMicro-organisms require trace elements to sustain their vital functions. Laboratory experiments have confirmed the positive effects of trace element additions in the UASB reactor's performance. The objective of this experiment was to study the effects of added trace element based nutrient solutions on brewery wastewater fed UASB reactor’s performance. Five UASB reactors were operated for 83 days. One reactor was kept as a control reactor, and the other four were fed with nutrient solutions: Solution BDP-881 (containing Fe, Ni, Co, Se
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In anaerobic wastewater treatment micro-organisms convert the organic compounds in the wastewater in the absence of oxygen and produce energy-rich biogas. Biogas consists mainly of methane and carbon dioxide and it may be used in electricity and heat production. Up-flow anaerobic sludge bed reactor (UASB) is one of the most used anaerobic wastewater treatment technologies. Sludge bed inside the reactor consist of microbial aggregates called granules. \nMicro-organisms require trace elements to sustain their vital functions. Laboratory experiments have confirmed the positive effects of trace element additions in the UASB reactor's performance. The objective of this experiment was to study the effects of added trace element based nutrient solutions on brewery wastewater fed UASB reactor’s performance. Five UASB reactors were operated for 83 days. One reactor was kept as a control reactor, and the other four were fed with nutrient solutions: Solution BDP-881 (containing Fe, Ni, Co, Se
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