Treatment of Cyanide Heap Leaches and Tailings

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Title	Treatment of Cyanide Heap Leaches and Tailings
Topic:	Environment	Published Year:	2003
Presentation:	Oral	Published in:	[ 5th Congress on Safety, Health and Environment in Mines and Related Industries ]
Original Language:	Persian	Full Text Size:	Not Available

Abstract of the Article

Note: English CIVILICA is in its Trial Period so Full Texts can not be provided! Persian users can download it here

Treatment of Cyanide Heap Leaches and Tailings

Authors:
[ Manoochehr Oliazadeh ] - Associate Professor, Mining Department of Engineering Faculty, Tehran University
[ Mohammad Reza Khalesi ] - MS. In Mineral Processing, Mining Department of Engineering Faculty, Tehran University

Abstract:

Cyanidation includes both heap leaching and tank leaching. Spent ore or tailings containing residual amounts of cyanide are generated as waste. These wastes are typically treated to neutralize or destroy cyanide prior to final closure. This paper discusses cyanide detoxification or treatment in terms of chemistry, duration, removal efficiencies, and advantages and limitations. Such practices not only prevent environmental degradation but also prevent costly remedial actions. Cyanide treatment technologies which are discussed in this paper are: Rinsing of heaps, Sulfur processes, INCO process, Noranda process, Alkaline Chlorination process, Hydrogen Peroxide process, AVR Cyanide recovery, and biological treatments.

Keywords:

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