Hospital Wastewater Treatment Using an Integrated Anaerobic Aerobic Fixed Film Bioreactor | Science Publications

American Journal of Environmental Sciences

M. Ansari¹  A. Khavanin¹  A. Sabzali¹  A. Rezaee¹  M. M Aryan¹ 

关键词: Hospital;    wastewater;    treatment;    fixed film;   

DOI  :  10.3844/ajessp.2005.259.263

学科分类：环境科学（综合）

来源: Science Publications

【 摘 要 】

The design and operation of wastewater treatment systems for hospital is a challenge for wastewater engineers. In this study, a pilot-scale system integrated anaerobic-aerobic fixed film reactor for hospital wastewater treatment was constructed and its performance was evaluated. The aim of the study was the elimination of organic compounds and a significant reduction of bacteria. The system had been operated for 90 days. The results show that the system efficiently removed 95.1% of the chemical oxygen demand (COD) from a hospital wastewater with the influent COD of 700 mg L^-1, leaving 34 mg L^-1 COD in the effluent. The significant removal of pathogenicbacterial has been do after operating of the system. The advantages of the treatment system studied for small wastewater flows include: (I) simple operation and maintenance; (II) efficient removal of COD and bacteria; and (III) low-energy consumption.

【 授权许可】

Unknown