S. Kulyukhin, Ipce Ras, Yu. M. Nevolin, A. Seliverstov
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引用次数: 0
Abstract
A new approach to Ni removal from simulators of dump waste product of the industrial waste purification of the wet gas-cleaning plant and the copper electrolysis workshop at the Copper Plant (Polar branch PJSC MMC «Norilsk Nickel») is proposed. The method is based on gas-phase treatment of waste product with NOХ, HNO3, or NH3 vapors, followed by dissolution of Ni salt in water. It has been found out that using nitrating media, containing HNO3 (vapor), NOX and H2O (vapor), allowed us to perform the effective leaching of nickel from the pulp simulator volume. A possible disadvantage of the method is a simultaneous leaching of considerable amounts of calcium and sulfur.
期刊介绍：
Chemical Engineering is published monthly by Access Intelligence, primarily for chemical engineers and related technical people in the chemical process industries (CPI), as well as at engineering, design and construction companies that serve the CPI. The CPI consist of: chemicals, including petrochemicals; drugs and cosmetics; explosives and ammunition; fats and oils; fertilizers and agricultural chemicals; foods and beverages; leather tanning and finishing; lime and cement; synthetic fibers; metallurgical and metal products; paints and coatings; petroleum refining and coal products; plastics; rubber; soap and detergents; stone, clay, glass and ceramics; wood, pulp, paper and board; other chemically processed products.
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