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Cwenga Technologies Dec 14, 2017

Cwenga supports COPESSA in their fight against abuse


Cwenga has been a patron of COPESSA for 5 years now. For Cwenga the decision to continue our support of Copessa has been an easy one to make.

 

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Corporate responsibility

Cwenga Technologies Dec 4, 2017

Ion Exchange to extract wealth from mine waters


For the IMWA 2016 conference we put together a paper that provides an overview of the potential for recovery of value from contaminated mine waters and waste streams. It discusses various metal ions commonly found in acid mine drainage and other mine waters (mainly Co, Ni, Zn, and U) and evaluates at what concentration they become attractive to investigate for recovery using ion-exchange technology.

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Mine water; ion exchange; metal recovery; modeling; economics

Cwenga Nov 12, 2017

Energy footprint and operating costs: A comparison of ion exchange resin and activated carbon in the application of sugar decolourisation


Both ion exchange resin and activated carbon are well established technologies used in the final stage decolourisation of sugar liquors for the production of high quality white sugars

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activated carbon; ion exchange; decolourisation; energy costs; sugar

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