Synthesis and Characterization of a New Monometallic Manganese Layered Double Hydroxide with Unique Redox Properties
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as metallic ion. X-Ray diffractograms, infrared and Raman spectra show that the structure obtained through the oxidation of a basic MnII salt with persulfate is comparable to the structure of Fe-LDH also known as Green Rust. XPS shows that in this solid coexist MnII and MnIII states. Thermodynamic considerations predict that this solid can reduce nitrate into gaseous nitrogen without further reduction
into ammonium or ammonia unlike what is observed for Fe-LDH.