Merrill-Crowe process


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Merrill-Crowe process

[′mer·əl ′krō ‚prä·səs]
(metallurgy)
Removal of gold from cyanide solution by deoxygenation followed by precipitation on zinc dust, the work being completed by filtration to give the resultant auriferous gold slimes.
References in periodicals archive ?
The acquisition by United Commodity was cause for celebration in the Cobalt area as 46 employees were hired and several million dollars were invested in upgrading the plant's Merrill-Crowe process to produce nickel, cobalt, silver and gold from otherwise difficult to process concentrate.
It has since added a Merrill-Crowe process for gold and silver recovery and struck some long-term deals for processing concentrate.
With the addition of the Merrill-Crowe process, the refinery is able to produce nickel, cobalt, silver and gold from otherwise difficult to process concentrate.
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