Patent ID: 6855665
Filing Date: 2005-02-15
Classification: B01J,C02F

Abstract:
1. 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.