| http://www.w3.org/ns/prov#value | - ucing an iron feedstock from industrial furnace waste streamsUS5709730Jan 23, 1995Jan 20, 1998Cashman; Joseph B.Calcium chloride, hydrochloric acid mixture with flue dust, oxidation of metals, mixing with hematite, complexing, filtration and recovering metal oxides such as zinc oxides, circulation and demetallizationUS5759503 *May 11, 1995Jun 2, 1998Metals Recycling Technologies Corp.Method for th
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