Method of treating chemical process water
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United States of America Patent
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Jun 25, 1985
Issued Date -
N/A
app pub date -
Sep 9, 1980
filing date -
Feb 21, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of treating chemical process water which contains dissolved solids, usually of a biodegradable organic nature. According to the invention, the dissolved organic solids, which are objectionable because they cause process equipment corrosion, undesirable product and process odors and pollution, are treated with ultraviolet light. The light treatment causes dissolved materials of relatively simple chemical structure to react and create more complex, less soluble materials which can easily be removed from the system as they become less soluble. The method is applicable to papermaking and numerous other industrial processes using large quantities of process water.
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