Sulfuric Acid Leaching of High-Arsenic Dust from Copper Smelting / Karimov K. A.,Naboichenko S. S. // METALLURGIST. - 2016. - V. 60, l. 3-4. - P. 456-459.

ISSN/EISSN:

0026-0894 / 1573-8892

Type:

Article

Abstract:

In connection with the deterioration in the quality of the concentrates that are now being produced and the use of recycled raw materials, lead, zinc, and arsenic are circulating in the semifinished products obtained during copper production and usually accumulate in the system in the form of dust. This article discusses results obtained from the sulfuric acid leaching of dust that is left from reduction smelting at the Middle Ural Copper Smelter. In addition to copper and zinc, the dust contains substantial amounts of lead and arsenic (up to 30\%). The computer program Statgraphics was used to plan experiments and analyze the results. The effect of temperature and acid concentration on the indices of the leaching operation was studied and it was determined that for the given process parameters arsenic and copper extraction are most affected by the initial acidity of the solution and zinc extraction is most affected by the temperature of the process. The optimum parameters for leaching the dust were determined: temperature - 60A degrees C; initial acid concentration - 25 g/dm(3). Performing the leaching operation with these parameters maximizes the yields of arsenic, copper, and zinc (98\% As, 39\% Cu, 82\% Zn), but raising the temperature and initial acid concentration further has almost no effect on these yields.

Author keywords:

leaching; arsenic; copper; zinc; extraction; dust

DOI:

10.1007/s11015-016-0313-8

Web of Science ID:

ISI:000380715700034

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	JUL
Publisher	SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013 USA
Language	English
EISSN	1573-8892
Research-Areas	Metallurgy \& Metallurgical Engineering
Web-of-Science-Categories	Metallurgy \& Metallurgical Engineering
Author-Email	kirill\_karimov07@mail.ru
ResearcherID-Numbers	Naboichenko, Stanislav/T-4497-2017 Каримов, Кирилл/F-2051-2017
ORCID-Numbers	Naboichenko, Stanislav/0000-0003-0838-8372
Number-of-Cited-References	5
Usage-Count-Last-180-days	5
Usage-Count-Since-2013	12
Journal-ISO	Metallurgist
Doc-Delivery-Number	DS3XJ