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Recovery of gold from return- dam solutions by activated carbon in a multistage column
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Mehmet, A. ; Te Riele, W. A. M. (1990). Recovery of gold from return- dam solutions by activated carbon in a multistage column.
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Mehmet, A. ; Te Riele, W. A. M. (1990). Recovery of gold from return- dam solutions by activated carbon in a multistage column.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 8
Publication Date:
Jan 1, 1990
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Abstract
Abstract
| A pilot-plant investigation in a NIMCIX contactor has shown that activated carbon can extract more than 93% of the gold in return-dam solutions. The average gold concentration in the barren solution was less than 0.003 mg/L from a feed averaging 0.048 mg/L. The carbon was eluted by the Zadra procedure. The operating conditions of the elution-electrowinning circuit are reported, and the elution of the gold and other metals is discussed. The reactivation of the carbon by use of the Rintoul kiln is described, together with the results of reactivation. The consumption of reagents in the process cycle is presented in sufficient detail to allow the economic viability of this technique to he evaluated for the recovery of gold from low-grade solutions. |
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