안규홍 차호영 송경근 2024-01-21T14:40:59Z 2024-01-21T14:40:59Z 2022-01-10 1999-12 1225-7192 https://pubs.kist.re.kr/handle/201004/141764 Retrofitting municipal sewage treatment plant using membrane-bioreactor system 막분리 활성슬러지법을 이용한 하수처리장의 개선 Article 2 한국수처리학회지, v.7, no.3, pp.69 - 75 한국수처리학회지 7 3 69 75 membrane bioreactor municipal sewage treatment ultrafiltration crossflow