amount of chlorine required in gold leaching

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Gold Chlorination Processes & Methods 911 Metallurgist

Mar 17, 2017 ... Coarse gold requires long contact and should be removed by amalgamation. ..... Cyanidation and concentration of gold and silver ores.

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Roasting and chlorine leaching of gold bearing refractory ...

A comparison with conventional cyanidation confirms that chlorination could be ... by electrolysis of NaCl solution in the required amount to avoid gas storage.

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Gold Ore Chlorination 911 Metallurgist

Mar 19, 2017 ... ... the gold ore chlorination process for the extraction of gold from its ores, ... of an average value per ton of from $25 to $26 in gold and $0.68 in silver. ... The bottles were placed in an agitator, and rotated for the required time.

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Chloride as an Alternative to Cyanide SGS

of the cyanidation process at the turn of the last century, not least because it required the ... autoclave capable of forming the Au3+ ion, and gold chloro complexes result from the addition of small quantities ... requirements to dissolve gold (and.

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Chlorine leaching of gold bearing sulphide concentrate and its ...

Volume 29, Issues 13, June 1992, Pages 205 215 ... Chlorine leaching, as a potential alternative to the conventional cyanidation for the extraction ... and ion exchange resin adsorption to reduce degree of oxidation and cyanidation required.

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The Chlorination of Gold Ores. Digitised Collections

in 1848 read a paper on the value of chlorine as a means of .... can be run in and the leaching and washing out of the gold ... The necessary conditions are : .

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Gold Leaching from a Refractory Gold Concentrate by the Method of ...

The method of chloride hypochlorite leaching has the advantages of short process, low pollution ... In this research, NaCl NaClO solution is used to leaching gold from a refractory gold concentrate, and the influence of NaCl and NaClO concentration, reaction time to the leaching rate were .... Strictly Necessary Cookies.

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The Recovery of Gold from Refractory Ores by the ... Springer Link

sponsive to standard cyanidation used by industry and, therefore, require pretreat ... Toward these ends, a process called carbon in chlorine leaching (CICL) was devel oped. ... amounts were determined by scanning electron microscopy,.

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Gold Chlorination Dundee Sustainable Technologies

DST's chlorination process uses sodium hypochlorite with a catalytic amount of ... of the mineral, pre treatment may be required prior to the gold extraction step...

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Leaching of an oxide gold ore with chloride/hypochlorite solutions

NaOCl, OCl concentration, and HCl concentration on gold leaching ... However, due to high treatment cost, chlorination required high gold ore grades of about...

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