1. Application shows that the recovery can be as high as 99%, and the concentrating ratio is up to 1,000 times. In recovering the natural in lode with size -0. 074mm, the is up to 98%, For 0.04mm in particle size, the recovery is 97%.
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.With optimum about 0.05% NaCN, clean particles dissolve at a rate of 3.25 mg per sq cm per hour while for silver the rate is about one-half that of gold. Therefore, coarse particles larger than 100 mesh are usually removed by gravity …
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EPA 530-R-94-013 NTIS PB94-170-305 TECHNICAL RESOURCE DOCUMENT EXTRACTION AND BENEFICIATION OF AND MINERALS VOLUME 2 …
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The is mainly used in the oxide ore which has low grade of silver , its more economize and has more benefit . Process introduction is mainly include : decontaminate , concentrate before leaching , leaching and adsorption , desorption and electrowinning , hydrometallurgy , regeneration of activated carbon ， tailings filting , waste water treatement and so on .
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It is unsuitable for the with high-grade silver. Generally, the proportion of and silver should not exceed 1:5. The best conditions for CIL process in China: PH=10-12, sodium cyanide is not less than 0.015%, the particle size of activated …
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processing - processing - and concentrating: The nature of the deposit determines the and mineral processing techniques applied. Oxide deposits are frequently of such low grade e.g., 3 to 10 parts per million that extensive mineral processing cannot economically be justified. In this case they are merely shattered by explosives and then piled into heaps for ...
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Generally, leaching tank are used multi . 2. Backwashing-it is the widely used proces in cyanidation . Generally, it use multi single-layer or multi-layer . The backwashing use the next s supernate to dilute last s pulp, then the grade in liquid will down gradually until reach the standard.
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