Abstract Fenton reaction is one of most promising approaches for efficient removal of various robust organic pollutants in wastewater, however it faces several intrinsic challenges such as acidic condition, sludge waste and sensitive to sulfide-containing compound. Here we reported a novel FeS1.92 as an efficient and sulfide resistant heterogeneous Fenton catalyst under mild condition. This novel FeS1.92 was facilely prepared through a mechanochemical synthesis of mackinawite (FeS) with sulfur powder (S) by ball milling. The sulfured mackinawite (FeS1.92) exhibits high performance in activating H2O2 to generate hydroxyle radicals for organic waste remediation. Furthermore, this FeS1.92 based heterogeneous Fenton catalyst is highly sulfide resistant and shows improved performance for degrading sulfide-containing organic pollutants. This study provides an effective mechanochemical approach to fabricate heterogeneous Fenton catalysts for sulfide-containing wastewater treatment.

中文翻译：

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机械化学硫化的FeS1.92作为稳定高效的非均相Fenton催化剂

摘要Fenton反应是有效去除废水中各种鲁棒有机污染物的最有前途的方法之一，但是它面临着一些固有的挑战，例如酸性条件，污泥废物和对含硫化物的化合物敏感。在这里，我们报道了一种新型的FeS1.92，在温和条件下可作为一种高效且耐硫化物的非均相Fenton催化剂。新型FeS1.92的制备是通过球磨机械化学合成含硫粉末（S）的马基钠钙石（FeS）来完成的。硫化的马基钠石（FeS1.92）在活化H2O2产生羟基自由基以进行有机废物修复方面表现出很高的性能。此外，这种基于FeS1.92的非均相Fenton催化剂具有很高的抗硫化物性能，并且在降解含硫化物的有机污染物方面表现出更高的性能。