Hydrophilic substrate for sorbing heavy metals

Details Hydrophilic substrate for sorbing heavy metals Hydrophilic substrate for sorbing heavy metals

B - Operations, Transporting

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252/23

B01J 20/24 (2006.01) B01J 20/28 (2006.01) B01J 47/00 (2006.01) C02F 1/28 (2006.01)

Patent

CA 1149796

HYDROPHILIC SUBSTRATE FOR SORBING HEAVY METALS Abstract Method for making a water insoluble hydrophilic polymeric substrate having incorporated therein a dispersion of a finely precipitated metal sulfide for sorbing by ion exchange heavy metals from aqueous solutions such as photographic solutions, seawater, mine tailings, electroplating baths and the like, the substrate being formed from such polymers as cellulose esters, cellulose ethers, starches cross-linked to render them water insoluble, natural polymers, or regenerated cellulose; and the product of the method.

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