Show Smelting In Utah Lq r bl w M t Inside the smelter there is network of narrow gauge rails to transfer transfer trans tram fer for product being treated from one department to another Editors Editor's Note This is the fifth in a series of six articles on Utah's smelting industry Much of the progress in nonferrous nonferrous non non- ferrous smelting in hT the last 45 years can be traced to Utah which has as become the worlds world's largest mining and smelting center The fact that the resources were here naturally brought s slung but by continued research the industry has kept pace paco with ever changing conditions conditions con con- in the mining industry At times improved metallurgy has pulled the industry out of slumps and made it possible to produce ores formerly considered waste Bag Dag houses for catching mineral particles in lead lead fume and flue dust mado made their appearance In Inthe Inthe inthe the early years of the century and developments In roasting improved recovery Hand roasters were superseded by mechanically furnaces and roasting furnaces which in turn tu gave way to the present sent day multiple hearth roasting roasting roast roast- ing arm type The sintering process early applied applied applied ap ap- plied to both lead ead and copper smelting was later made unnecessary unnecessary sary In copper work by the large use of the furnace Growth of Utah into the largest largest larg largo est concentrating and smelting center in the world has brought much industry to Utah Ores from all aU over the West and at times from foreign countries are shipped by rail and truck to Utah for tl treatment The sixth article in this series will appear soon In these columns |