Application of magnesium hydroxide to the treatment of acidic metal bearing effluent: Gerry Spoors, development manager, Omex environmental, says that using magnesium hydroxide, as a stable suspension, rather than caustic soda or lime, to treat acidic effluents, has a number of technical and cost advantages.(special feature) From: Finishing | Date: January 1, 2007| Author: Spoors, Gerry | COPYRIGHT 2007 Turret West Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Many metal treatment processes produce acidic waste streams, which have to be neutralised before discharge, to meet pH and metal consents. Traditionally caustic soda and lime have been used, but these materials are difficult and dangerous to handle, and often create other environmental problems.

The viability of using magnesium hydroxide as a safe, cost-effective alternative alkali has now been recognised, and Omex have introduced a stable, easy-to-use suspension, Magmex...

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