Wang, Jia One-step preparation of ZVI-sludge derived biochar without external source of iron and its application on persulfate activation. [electronic resource] - The Science of the total environment Apr 2020 - 136728 p. digital Publication Type: Journal Article ISSN: 1879-1026 Standard No.: 10.1016/j.scitotenv.2020.136728 doi Subjects--Topical Terms: CharcoalIronSewageWater Pollutants, Chemical