Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-08-08
1993-06-29
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
210665, 210666, 210669, 210688, 210724, C02F 900
Patent
active
052231445
ABSTRACT:
The process relates to the treatment of aqueous solutions of polyhydric alcohols to remove heavy metal components, oils, organic contaminants and, optionally, water. The process is particularly well suited for use in the treatment of spent antifreeze/coolant from the cooling systems of internal combustion engines.
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Gershun Aleksei V.
Woodward Stephen M.
Woyciesjes Peter M.
Cintins Ivars
First Brands Corporation
Wamer Gary L.
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