The only economically viable method of recovering gold from gold bearing ores is by using cyanide leaching,” says Rob Shaw Verder Pumps South Africa sales engineer.  With cyanide leaching, microscopic gold particles can be extracted from ore rocks, increasing the yield and contributing to making operations more profitable.  “This is however a dangerous method that has the potential, if not managed correctly, of being very damaging to the environment. A teaspoon full of two-percent solution cyanide can kill a human adult," says Shaw.
 
There have been a number of experimentations with various other media but none of these has been as cost effective or productive method as cyanide leaching.  ”We are seeing a slight upturn in the global economy but the gold mining industry in still under a lot of pressure.  Other factors that contribute to the continued pressure on this industry is health and safety legislation and the development of action plans such as the “Green Economy Plan” which urges major role players to look at the development and commercialization of solutions that will progress the adaption of a  greener economy. Gold miners have to utilize technologies that will minimize cost, maximize production while complying with health, safety and environmental regulations,” says Shaw.  

Leak Free Mag Drive Centrifugal Pumps
Verdermag mag drive pumps have no glands, no seals and no valves. In contrary to sealed centrifugal pumps, the seal-less construction of the Verdermag mag drive pump allows total containment of aggressive products. Even under heavy-duty circumstances the pumps are extremely reliable.

The Verdermag series of pumps can be used for a wide range of applications, in particular the pumping of toxic waste, acid, cyanide, flocculants and slurries. The leakage-proof coupling between the motor and the pump ensures a clean and safe operating environment.  

“Understanding the industry and challenges our customers face, and providing long term pumping solutions to address these issues, is what we strive for at Verder Pumps SA. We aim to source the best possible solution to suit the application, providing customers with the best products and support available”, concludes Shaw.
 

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