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논문 기본 정보

자료유형
학술저널
저자정보
최영익 (동아대학교) 정진희 (동아대학교) 정병길 (동의대학교)
저널정보
한국환경기술학회 한국환경기술학회지 한국환경기술학회지 제20권 제3호
발행연도
2020.1
수록면
196 - 204 (9page)

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The objective of this research is to propose an effective water reclamation system that makes use of membrane processes for the effluent at a domestic treatment plant located within an industrial complex. At such a plant, many types of industrial wastewater are discharged (e.g., textile, leather, and plating wastewater). We will attempt to demonstrate the production of a stable water quantity that is of sufficient quality, and to provide effective methods to use brine water for industrial water reuse. The wastewater treatment plant (WWTP) under study is located in Busan City, South Korea, and it has a capacity of 60,000 m3/d. The water quality fluctuates heavily because of the different types of wastewater discharged from the industrial complex into the WWTP. Membrane processes are run to treat the WWTP effluent. The membrane system consists of ultrafiltration (UF) and reverse osmosis (RO), which processes 70 m3/d. The mean concentrations of the total dissolved solids (TDS) and Mn in the WWTP effluent were 3,500–5,500 mg/L and above 0.5 mg/L, respectively. As a result, a Birm filter (BF) was employed prior to UF for the purpose of stabilization, and the BF-UF-RO membrane system was designed and operated. The membrane processes were able to produce 70 m3/d. The treatment process of the brine water was also evaluated via material balance. Adding the brine water into the primary clarifier enables production of more than 30,000 m3/d of permeate water. Hereafter, we will be able to present an effective water reuse system using a scale-up of this process.

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