Abstract

AbstractHybrid phosphomolybdates consisting of highly reduced {MnII(PV4MoV6O31)2} clusters have been reported as heterogeneous molecular catalysts for the reduction of toxic CrVI to nontoxic CrIII using formic acid (FA) as the reducing agent. The experimental results show that these types of nonprecious hybrids are highly active for the catalytic reduction of CrVI under mild conditions. In comparison with noble metal Pt/Pd nanoparticle (NP) catalysts that are widely used for the reaction, the phosphomolybdate hybrids are inexpensive and easy to prepare. Importantly, their structures can be designed and optimised. This study highlights noble metal‐free phosphomolybdates as a novel type of heterogeneous catalyst for the treatment of CrVI‐containing wastewater.

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