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New Developments in Use of Ferrous Scrap.
Proc 2D Min Waste Util Symp Spons by USBoM & IIT Res Inst Chicago 3/18-19/70 Pp 59-66 :59-66
This paper describes recent progress at the Bureau of Mines Twin Cities Metallurgy Research Center on the development of roasting procedures emphasizing the consumption of solid waste materials in a rotary kiln system. One phase of the research concerns the use of ferrous scrap as a reductant for the conversion of lean nonmagnetic iron ores to the magnetic form. Additional reduction research shows that other solid waste materials, such as municipal refuse and sewage sludge are also effective for the conversion of the nonmagnetic iron ores. Another phase of the center's research concerns the treatment of ferrous scrap such as automobile hulks without accompanying iron ore to yield coproducts of high-grade iron oxide and dense residual steel scrap of high purity. The novel use of solid waste as a reductant is of potential value to the iron mining industry, and the direct roasting of ferrous scrap provides an effective method for the scrap processor to handle automobile hulks. See also op 109-70.
Proc. 2D Min. Waste Util. Symp, Spons. by USBoM & IIT Res. Inst., Chicago, 3/18-19/70, Pp 59-66