desulfurizer
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The iron-manganese desulfurizer requires steam for heating during the heating and reduction process. But when it is restarted after the iron-manganese becomes reducible, why isn’t steam used for heating during that process? Why isn’t water vapor used for heating pre-iron molybdenum, iron molybdenum, and nickel molybdenum? I beg you. . .
http://bbs.hcbbs.com/thread-514152-1-1.html discusses this; it involves converting Fe2O3 and MnO2 into Fe3O4 and MnO respectively, which possess desulfurization activity. The main goal is to enhance the activity of the desulfurization catalyst, but adding steam during use renders the catalyst ineffective