Abstract:In this work, the optimum conditions for the synthesis of nano zero valent iron sulfide were studied in detail using orthogonal experiment. The palygorskite-supported sulfide-modified nanoscale zero-valent iron (S-nZVI/P) was prepared, characterized, and further applied to remove Congo red (CR) in aqueous solutions. The results of structural characterization showed that the Fe 0 was coated with FeS layers. The influence of sulfidation conditions on the removal rat e of CR was investigated in detail, and the re… Show more
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