Potential application of membrane bioreactor (MBR) technology for treatment of oily and petrochemical wastewater in Viet Nam - an overview
Oily and petrochemical wastewaters generated from various activities such as crude oil production, oil refinery, petrochemical industry, metal processing, car washing, etc., are one of the sources of high environmental pollution. These wastewaters were not effectively treated by the conventional activated sludge process due to their toxic and refractory characteristics. In recent years, membrane bioreactor (MBR) technology has been widely applied in various industrial wastewater treatments around the world. Therefore, it would be interesting to employ this technology for treating oily and petrochemical wastewaters in Viet Nam. This paper evaluates the feasibility of using the MBR technology to treat oily and petrochemical wastewaters. The discussions are mainly focused on the operational characteristics, fouling characteristics, fouling control strategies, and costs of the MBR technology in the treatment of these types of wastewaters. It is hoped that this paper could provide useful information for researchers and engineers to develop this novel technology to treat oily and petrochemical wastewaters in Viet Nam.
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