Process for treating impregnation process waste water

Details Process for treating impregnation process waste water Process for treating impregnation process waste water

1992-01-02

1993-12-28

Wyse, Thomas

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210737, 210748, 210908, C02F 132, C02F 152

Patent

active

052736628

ABSTRACT:
A curable composition, useful for impregnating porosity of porous articles, comprising acrylate monomer, heat- and/or anaerobic-cure initiator, and non-peroxy, actinic radiation photoinitiator. A method of treating waste water produced by aqueous washing of a porous article to remove excess impregnant therefrom, wherein the impregnant comprises acrylate monomer and actinic radiation photoinitiator, includes the steps of exposing the waste water to actinic radiation polymerizingly effective for the monomer, and recovering the resulting polymer from the waster water to yield a polymer-depleted effluent which may be discharged to receiving waters.

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Product Brochure LT-969 "Introducing L.I.S./Loctite Impregnation Systems," 16 pages, copyright 1985, Loctite Corporation.
"Gas Chromatographic Determination of the Impurity Composition in Waste Waters and Regenerated Waters During the Synthesis of Polystyrene Plastics with a Closed Water Recycling System". Plasticneski Massy, 1984, No. 4 pp. 49-50.

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