Utilizing Iron Residues From Zinc Production in the U.S.S.R
5
Look Inside Get Access Find out how to access preview-only content JOM August 1988, Volume 40, Issue 8, pp 36-39 Date: 26 Oct 2012 Utilizing Iron Residues from Zinc Production in the U.S.S.R. Abstract When zinc calcine leach residues are subjected to conventional hydro-metallurgical treatment, iron is removed from the production circuit in the form of jarosite or goethite. A combined hydrometallurgical treatment of zinc calcine and zinc oxide fume leach residues applied at a zinc plant in the U.S.S.R. produces potassium jarosite containing undesirable impurities of 1.5–2.0 wt.% Zn, 0.2–0.3 wt.% Cu, 0.2–0.6 wt.% Pb, 0.005–0.01 wt. % Cd and 27–29 wt. % Fe. After some study, it was found that low-contaminant jarosite can be used in iron-oxide pigments and in cement clinker production. Methods for manufacturing such products have been developed and tested on a pilot-plant scale, and commercial tests are in progress. The investigations carried out for low-contaminantjarosite utilization resulted not only in the development of a wasteless and environmentally acceptable technology for zinc calcine treatment, but made it possible to recover one more valuable component—iron—from zinc raw materials. V.M. Piskunovis chief of the research laboratory of the All Union Scientific Research Institute for Nonferrous Metals, Ust-Kamenogors k, in the Soviet Union. A.F. Matveevis senior scientist of the research laboratory of the All Union Scientific Research Institute for Nonferrous Metals, Ust- Kamenogorsk, in the Soviet Union. A.S. Yaroslavtsevis an assistant head of the Scientific Technical Department of the Ministry of Nonferrous Metallurgy, Moscow, in the Soviet Union. Page %P Page 1
Utilizing Iron Residues From Zinc Production in the U.S.S.R
