Combined filtration and fixation of heavy metals

Details Combined filtration and fixation of heavy metals Combined filtration and fixation of heavy metals

B - Operations, Transporting

01

D

B01D 39/06 (2006.01) B01D 39/20 (2006.01) B09B 3/00 (2006.01) C02F 1/52 (2006.01) C02F 1/62 (2006.01) C02F 11/00 (2006.01) C04B 18/04 (2006.01) C04B 20/10 (2006.01) C04B 22/06 (2006.01) C04B 28/26 (2006.01)

Patent

CA 2105671

The present invention describes a filter medium and a method of filtering metals from liquids, such as waste water, in which the metals are filtered from the liquids and are chemically fixed in the resulting filter cake in a nonhazardous and nontoxic form so that they may be disposed of in nonhazardous landfills. When all or a portion of the metals are dissolved, they are first precipitated and then filtered and chemically fixed.

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