GSA Resources, Inc. produces the CABSORB® product line of zeolites, and specialty clay products. GSA also provides consulting services on the uses and applications of specialty and performance industrial minerals.

 

METALS REMOVAL - MINE WASTEWATER TREATMENT

Zeolites are highly selective scavengers of a variety of metal cations that can be removed from liquid effluents through the process of ion-exchange. These cations include lead, silver, cadmium, cobalt, zinc, copper, mercury, magnesium, iron, aluminum, chromium and others. Clinoptilolite water polishing treatment systems are applicable in industries such as mining, electroplating and electronics. Giant industrial houses, like IBM, have deployed this application for treatment of wastewater containing heavy metals.

Significant properties include:

• High cation exchange capacity
• Selectivity for many metals
• Low cost relative to resins or synthetic zeolites
• Capacity for regeneration

Specifications are highly variable according to the end use. Pilot-scale studies are recommended to determine the appropriate zeolite product for a site specific waste stream.

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Last modified:  June 22, 2000