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Kinetics and Changes of Parameters by Anaerobic Baffled Reactor Treating Domestic Wastewater

Yaochen Li

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Abstract

Anaerobic baffled reactor (ABR) with four chambers was studied for treating domestic wastewater at 35℃ to evaluate change status of effluent parameters in each chamber. Results indicated that the effluent COD and voltaic fatty acid (VFA) in each chamber was descended along chambers and the most amount of COD was removed in the frontal three chambers. Acidity and methane separated was occurred when ABR treating domestic wastewater. The sludge in frontal chamber was grey with sticky compound of sludge and water while dense in the latter two chambers. The biochemical kinetics was established and mathematic model was validated with error of 2%, which indicated that the model was feasible and reasonable.

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What this paper is about

Anaerobic baffled reactor (ABR) with four chambers was studied for treating domestic wastewater at 35℃ to evaluate change status of effluent parameters in each chamber. Results indicated that the effluent COD and voltaic fatty acid (VFA) in each chamber was descended along chambers and the most amount of COD was removed in the frontal three chambers. Acidity and methane separated was occurred when ABR treating domestic wastewater. The sludge in frontal chamber was grey with sticky compound of sludge and water while dense in the latter two chambers. The biochemical kinetics was established and mathematic model was validated with error of 2%, which indicated that the model was feasible and reasonable.

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Available abstract

Anaerobic baffled reactor (ABR) with four chambers was studied for treating domestic wastewater at 35℃ to evaluate change status of effluent parameters in each chamber. Results indicated that the effluent COD and voltaic fatty acid (VFA) in each chamber was descended along chambers and the most amount of COD was removed in the frontal three chambers. Acidity and methane separated was occurred when ABR treating domestic wastewater. The sludge in frontal chamber was grey with sticky compound of sludge and water while dense in the latter two chambers. The biochemical kinetics was established and mathematic model was validated with error of 2%, which indicated that the model was feasible and reasonable.

Key concepts: Effluent, Wastewater, Anaerobic exercise, Pulp and paper industry, Volatile fatty acids, Kinetics, Chemistry, Waste management

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