Blast furnace slag loaded with sulfide nano zero valent iron (S-nZVI@BFS) was applied to remove oxytetracycline (OTC) from water. S-nZVI@BFS was synthesized via liquid reduction and characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer, Emmett and Teller (BET) theory. The effect of reaction time, initial concentration of OTC, initial pH, and coexisting hexavalent chromium[Cr(Ⅵ)] were investigated.
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