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Veolia Water Solutions & Technologies South Africa and Mintek have joined forces to develop a new, leading acid mine water treatment system based on SAVMIN™, Actiflo® and Multiflo® technologies for large-scale implementation by 2013. |
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Published on: 14 February 2012
Region: South Africa » National
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In an effort to address the rising problem of acid mine water in South Africa, the local front-running water technology company, Veolia Water Solutions & Technologies South Africa (VWS South Africa) and the state-owned minerals technology institute, Mintek, have signed a co-operation agreement in February, 2012, to further develop Mintek’s SAVMIN™ water technology.
This comes after the initial evaluation of Veolia Water Solutions & Technologies-developed Multiflo® and Actiflo® clarifiers, merged with Mintek’s SAVMIN™ chemical precipitation technology. The combined technologies are potentially a more efficient, cost-competitive and productive acid mine water treatment system.
Using lamella settling and ballasted floc formation, the VWS clarifiers remove precipitated solids from mine water with relatively low footprints. These proven systems require minimal maintenance, and are a cost-competitive solution compared to traditional clarifiers.
A precipitation-based process, SAVMIN™ removes heavy metals and calcium sulphate to produce either potable or industrial water. This process’ waste streams are relatively clean gypsum and metal hydroxides, which could be recovered as saleable by-products. Because SAVMIN™ does not rely on membrane separation technologies, the overall cost per litre has the potential to be significantly lower.
“These systems’ integration marks a long-term approach to sustainable acid mine water treatment in South Africa,” says Dr Gunter Rencken, Managing Director, VWS South Africa. “The synergy lies in Mintek’s mine water treatment technology, and our ability to make the technology feasible for large-scale implementation.”
Abiel Mngomezulu, the President and CEO of Mintek, says: “We are fortunate enough to have had financial backing for the development of SAVMIN™ from government, who recognises the importance and urgency for solutions to South Africa’s acid mine water problems. We hope this partnership with VWS South Africa is long-lasting, and beneficial to both the mining industry and South Africa.”
Mintek and VWS South Africa began initial discussions to develop affordable mine water technologies in 2009 and, with further refinement, hope to have a holistic treatment process on the market by end of 2013 after the completion of a full-scale pilot plant evaluation.
Enquiries: www.veoliawaterst.co.za |
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