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US 6,855,665 B1Granted
Compositions to remove radioactive isotopes and heavy metals from wastewater
OwnerAlexander Blake, Barbara Blakeinventors
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Abstract
The present invention provides compositions and a method to remove a plurality of radioactive isotopes and/or heavy metals simultaneously from water or wastewater. The compositions comprise lattice clays; flocculants; a neutron absorbent; catalysts; and a setter. The selected compositions is entered into a vessel and agitated with the water to produce a sludge containing the contaminants.
Claims1
Treatment compositions to remove a plurality of radioactive isotopes and/or heavy metals from water and wastewater comprising:
- (a) 1 to 2% by weight of magnesium silicate
- (b) 15 to 40% of naturally occurring montmorillonite
- (c) 11 to 30% of Indian red potters clay
- (d) 5 to 30% of calcium bentonite
- (e) 5 to 30% of a metal salt
- (f) 5 to 30% of calcium hydroxide
- (g) 2 to 5% of sodium carbonate
- (h) 1 to 5% of hafnium
- (i) 1 to 6% of one or more polyelectrolytes
- (j) 5 to 10% of calcium sulfate
- (k) 1 to 5% of silica gel.
8 more elements
Dependencies are inferred from the claim text.