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Photocatalytic Decontamination of Sulfur Mustard Over Manganese Oxide Nanobelts



Photocatalytic decontamination of sulfur mustard was studied on manganese oxide nanobelts (MON) in the presence of Sun light and UV-A light. Data obtained from the experiments conducted under the irradiation of Sun light and UV-A light was compared with that of the obtained without irradiation of light. Sulfur mustard and the products of reaction were studied using gas chromatography, gas chromatography-mass spectrometry techniques (GC-MS). 100% of sulfur mustard was found to be decontaminated on the surface of MON with irradiation of Sun light in 8 h. Whereas without irradiation only 46% of sulfur mustard was found to be decontaminated. Superior Sun light activity of MON against sulfur mustard was attributed to its high irradiance. GC-MS data indicated the formation of acetaldehyde, carbon dioxide, sulfur mustard sulfoxide, chloroethyl vinyl sulfide, and so forth, due to photocatalysis of sulfur mustard. © 2012 American Institute of Chemical Engineers Environ Prog, 32: 1118–1123, 2013

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