박대원 장원석 안대희 정윤철 2024-01-21T20:10:34Z 2024-01-21T20:10:34Z 2022-01-10 1996-01 https://pubs.kist.re.kr/handle/201004/144806 Use of microorganism producing polymer to upgrade activated sludge process 미생물산 고분자 물질을 이용한 활성슬러지 공정 개선 Article 3 대한환경공학회지 = J. of Korean Soc. of Environment Engine, v.18, no.5, pp.637 - 645 대한환경공학회지 = J. of Korean Soc. of Environment Engine 18 5 637 645 activated sludge tanks