Simulation of slaughterhouse effluent treatment systems

Document Type : Scientific Paper

Authors

1 PhD Candidate, Department of Renewable Energies, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

2 Associate Professor, Department of Renewable Energies, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

3 Bachelor student, Environmental Health Engineering, Shahid Beheshti University, Tehran

Abstract

Lack of water and drought on the one hand and environmental protection and non-release of wastewater into the environment on the other hand has led to the importance of wastewater treatment. Meanwhile, the wastewater from slaughterhouses is a challenge for the efficiency of conventional wastewater treatment systems due to the high volume of pollutants. In this paper, by simulating 5 common slaughterhouses effluent treatment systems of up flow anaerobic sludge blanket (UASB), sequencing batch reactor (SBR), anaerobic sequencing batch biofilm reactor (ASBBR), conventional activated sludge (CAS) UASB and membrane bioreactor (MBR) in GPS-x software under the same operating conditions, the quality of the output water was measured according to environmental standards. According to the results of the MBR system, due to the use of aerobic and anaerobic processes with membrane filtration, the highest efficiency of chemical oxygen demand (COD), biological oxygen demand (BOD), total nitrogen and total suspended solids (TSS) removal are equal to 99.67, 99.97, 99.11, and 99.99 %.

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