n Risk Management - Paper mills waste lime treats acid water - : environmental risk

Volume 2, Issue 2
  • ISSN : 1817-6585


Extracted from text ... 17 MARCH 2006 Risk Management A novel and highly effective use for agricultural limestone to treat acid effl uent, was designed by the CSIR in 2002. This technology is now implemented across a number of different industries. The use of limestone to neutralise acid leachates and acidic process waters to levels that allow for the water's re-use or release into the environment is proving a much cheaper alternative to the industry- accepted norm of hydrated lime dosing. Metlime now offers a constant supply of agricultural limestone, thanks to an innovative limestone wash plant using a revolutionary vacuum fi lter process ..

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