D 46 Desulfurization of recycled vanadium-bearing raw materials [Text] / A. V. Sirin, T. I. Krasnenko, V. G. Mizin, T. P. Sirina, M. V. Rotermel', O. S. Pozdnyakova // Metallurgist . - 2006. - Vol. 50, № 11-12. - P565-570. - Библиогр. : с. 570 (6 назв.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ДЕСУЛЬФУРАЦИЯ -- ВАНАДИЕВОЕ СЫРЬЕ Аннотация: A study of model systems that include sodium vanadate, sulfates of nickel, iron, and calcium, and a soda solution made it possible to determine the optimum parameters for desulfurizing high-sulfur wastes formed in the operation of heating and power plants. It is shown that when Ni/V = 0.15–0.33 and Fe/V = 0.5–0.75, 98% of the vanadium and 99.8% of the nickel are precipitated and sulfur content is no greater than 0.2 mass%. This has made it possible to obtain concentrates suitable for the smelting of complex alloys Полный ресурс |