A chelated compound and a water-soluble polymer are contained with effective quantity according to the paper pulp cleaning agent of the invention. 根据本发明的纸浆清洗剂以有效量含有螯合性化合物和水溶性聚合物。
This paper described research on using available microorganism for the dephosphorization and degradation of difficultly decomposed compound from wastewater. 叙述了采用有用微生物脱除废水中磷及降解难分解性化合物的研究状况。
