Инд. авторы:	Laptev Yu.V, Shevchenko V.S., Urakaev F.Kh.
Заглавие:	Sulphidation of valleriite in SO2 solutions
Библ. ссылка:	Laptev Yu.V, Shevchenko V.S., Urakaev F.Kh. Sulphidation of valleriite in SO2 solutions // Hydrometallurgy. - 2009. - Vol.98. - Iss. 3-4. - P.201-205. - ISSN 0304-386X.
Внешние системы:	DOI: 10.1016/j.hydromet.2009.04.018; SCOPUS: 2-s2.0-67649101311;
Реферат:	eng: Direct flotation of valleriite-containing cupriferous ores is characterized by recovery of only around 60% of the copper and nickel. Valleriite leaching using aqueous SO2 at 90-95 °C resulted in the formation of sulphides of the non-ferrous metals. The leaching also resulted in a significant upgrading of the copper and nickel from 5.5% in the ore to 9.8% in the solid product due to dissolution of Fe, Mg and Al. Flotation of the sulphide from this residue gave > 90% recovery of the non-ferrous metals into the concentrate. Additionally, passing the ore through a disintegrator prior to leaching enhanced the leaching rates. © 2009 Elsevier B.V. All rights reserved.
Ключевые слова:	Solutions; Ore treatment; Nickel alloys; Metals; Leaching; Flotation; Dissolution; Valleriite; Sulphidation; Metal recovery; Selective fracture; Leaching rates; Aqueous solutions; Valleriite; Sulphidation; Selective fracture; Leaching of non-ferrous metals; Aqueous solutions; Solid products;
Издано:	2009
Физ. характеристика:	с.201-205