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The Fe/MgO nano-crystal catalysts were synthesized for removal of hydrogen sulfide (H 2 S) in a biogas. The nano-crystalline catalyst supporting powders, magnesium oxide (MgO), were obtained by sol–gel method. Ferric ion from ferric nitrate solution was supported on the MgO nano-crystal powders to give 17.5nm Fe/MgO crystal size by wet impregnation and calcinations. Catalytic activity for...
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