Performance evaluation of membrane bioreactor (MBR) for pulp and paper wastewater treatment

HeHessam Shabanizadeh¹ Mohsen Taghavijeloudar²

Abstract :
Pulp and paper is among the industries that has high per capita water consumption which produces huge amount of wastewater. One of the promising method for pulp and paper wastewater (PPWW) treatment is the use of membrane bioreactor (MBR) technology. In this research, the performance of membrane bioreactor (MBR) was evaluated for PPWW treatment which consist of three stages: anaerobic, aerobic (supernatant) and membrane. The removal of chemical oxygen demand (COD) and turbidity were measured during MBR process. Furthermore, the microbial population changes (MLSS) and the membrane blockage as an operational parameter in membrane bioreactor technology was investigated. The results showed that organic compounds (COD) and turbidity were efficiently removed through the new MBR process in the three sages: 79% and 85.3% in the anaerobic stage, 95% and 96% in the supernatant and 97% and 99% in the final stage by the membrane, respectively. Based on the results, microbial population changes (MLSS) increased from 6,500 to 15,000 mg/L during the 44 days of PPWT treatment process. The degree of membrane clogging at a constant flux of 1.5 LMH was measured by measuring the changes in pressure increase (TMP). Based on the results, the pressure increased from 20 to 96 kPa during 44 days of PPWT wastewater treatment. These results may be due to the presence of more organic matter and suspended solids in the industrial effluent, which increase the pressure by covering the surface of the membrane.
Keywords : Pulp and paper, Membrane bioreactor, COD, Wastewater treatment

زبان مقاله : انگلیسی
محور مقاله : مهندسی محیط زیست
محل انتشار : ششمین کنفرانس بین المللی پژوهش های کاربردی در علوم و مهندسی - آلمان
آدرس وب سایت کنفرانس : 6carse.com
ارسال کننده : محسن تقوی جلودار
کد IOI مقاله : XEAK-GGCEG
لینک مستقیم مقاله : https://isnac.ir/XEAK-GGCEG