Method for treatment of aqueous solutions with ion exchange fibers
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United States of America Patent
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-
Feb 2, 1982
Grant Date -
N/A
app pub date -
Jun 12, 1980
filing date -
Jun 12, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ion exchange fibers having a thickness of about 2-200 micrometers and a length more than twice the thickness are mixed as a slurry of cation, anion or mixed cation and anion exchange fibers, with or without powdered ion exchange resin of 2-250 micrometers diameter, to intertwine the fibers and immobilize any powdered resin present; the resins are coated from the slurry as a mat on to a filter support; liquids to be purified are passed through the mat until the ion exchange materials are exhausted; and the exhausted mat is stripped from the filter support by a backwash of liquid, gas or both.
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