Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1998-08-31
2000-01-11
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210912, B01D 1500
Patent
active
06013187&
ABSTRACT:
A method for removing metal contaminates from solution using mercapto-functional silica xerogels. The mercapto-functional silica xerogels are characterized by having a surface area greater than 365 m.sup.2 /g, an average pore diameter of at least 6 nm, and a pore volume of at least 2 cm.sup.3 /g. The mercapto-functional silica xerogels are particularly useful for removing Group VIII metals such as platinum from solutions comprising polyorganosiloxane fluids and resins.
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Burns Gary Thomas
Deng Qin
Hahn James Richard
Reggio Guy Leo
Su Kai
Boley William F.
Cintins Ivars
Dow Corning Corporation
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