This project involves a study of the feasibility of utilizing the process of cyanidation within medium and small scale Placer mining, in an effort to increase recovery efficiency and reduce mercury pollution.

The technical feasibility of gold extraction demonstrated in this report represents preliminary data for further techno-economic study required for successful exploitation of the alluvial deposits of Mahdia.

More extensive research work seems to be essential for evaluation of the other varieties of the mineralized zones located within the district.

Although cyanide treatment plants are known to be very expensive, the idea of downsizing the plant was reviewed. Basic processes of gold recovery and also technical material involving the use of cyanide and its process characteristics were reviewed.

Samples of pay gravel and tailings from mine workings in the mining district of Mahdia were collected and analyzed. Laboratory analysis to determine the physical compositions and nature of the samples, and amenability to cyanidation were carried out.

A simple theoretical process design was done. Environmental considerations and impacts of this method of mining were also considered, bearing in mind the cost of such operations. Case studies of similar operations were also reviewed, with a final conclusion on the economical viability of such an operation.

AttachmentSize
PDF icon Final Report - ARamnaraine.pdf2.6 MB
Type: 
Research

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