이승환 S. Vigneswaran 안규홍 2024-01-21T18:03:28Z 2024-01-21T18:03:28Z 2022-01-10 1997-10 https://pubs.kist.re.kr/handle/201004/143575 Phosphorus removal using steel industry by-products : Effects of agitation and foreign material Article 3 수질보전학회지, v.13, no.4, pp.353 - 361 수질보전학회지 13 4 353 361 ammonia phosphorus sorption soil column