Filter for sorption of heavy metals

Details Filter for sorption of heavy metals Filter for sorption of heavy metals

B - Operations, Transporting

01

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B01J 27/04 (2006.01) B01J 20/28 (2006.01) B01J 31/06 (2006.01) C01G 9/08 (2006.01) C02F 1/28 (2006.01)

Patent

CA 1154420

Abstract A hydrophi1ic, cellulose ester material that may be used as a filter or ion exchanger to sorb heavy metal ions, such as silver, mercury, lead, copper ant cadmium, from aqueous solutions, the material having incorporated therein a high surface area zinc sulfide of at least 15 square meters per gram, and preferably at least 24 square meters per gram; and method for incorporating high surface area zinc oxide into a cellulose ester material by slurry process or solution process and con- verting the zinc oxide so incorporated into high surface area zinc sulfide; and product of the method.

376409

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