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PART TWOTHE ZINC INDUSTRY
Technology and Logistics of Zinc Smelting
7 other sections not shown
basis brass by-product processes cadmium calcine capital Chapter charge clay coke commodity competitive consumed consumption district East Saint Louis economic effect electrolytic Factors in Zinc Figure freight costs freight rates fuel and power galv gangue gases heating High Grade horizontal retort furnaces Illinois importance iron kiln labor cost lead sludge locational factors locative manufacturing Manufacturing Belt market area metal mines National Resources natural gas numbers operation oriented Pennsylvania percent zinc plant location pounds primary raw Prime Western production of slab Railroad ratio reduction coal regions residue retort smelters roasting secondary raw materials SELECTED INDUSTRIES sinter slab zinc slab zinc industry steel sulfur dioxide sulfuric acid Table tion tonnage tons of zinc total cost transportation costs Tri-State Tri-State district U. S. Bureau United Value of Product wage scale weight index wherein zinc concentrate zinc oxide zinc production Zinc Smelter Location zinc smelting zinc sulfide Zinc-Lead