Liquid purification or separation – Constituent mixture variation responsive
Patent
1988-01-11
1991-04-09
Wyse, Tom
Liquid purification or separation
Constituent mixture variation responsive
210106, 210143, 210167, 210192, 2101951, 210205, 210225, 210251, 210400, 422131, C02F 132, C02F 152
Patent
active
050062336
ABSTRACT:
Apparatus for purifying rinse water used to remove excess resin from articles which have been impregnated with a sealant material. The impregnating resin is customarily a curable composition comprising acrylate monomer and anaerobic or heat cure initiator and results in the formation of an emulsion in the rinse water. A photoinitiator is added to the foregoing composition enabling the emulsion to polymerize when exposed to UV radiation. After the rinse water containing the emulsion has been so exposed, the resulting rinse water and polymer composition is filtered in one or more stages to remove the polymer, leaving substantially pure water as a result. The water, thus purified, can either be returned to the process for re-use or discharged to the environment.
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Ulinskaia, N. N. and M. S. Kleshcheva: "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", Plasticheskie Massy, 1984, No. 4, pp. 49-50.
Brochure entitled: "Introducing L.I.S. Loctite Impregnation Systems", 16 pages, copyright 1985, Loctite Corporation, Newington, Conn.; especially pertinent: pp. 10-12.
Serfilco '86 Catalog R (Rev.) entitled: "Pump Filter and Pollution Abutement Guide"; front and rear covers, and pp. 1, 32, 33, 48, and 64; of Serfilco, Ltd., Glenview, Ill.
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Brochure entitled: "Ultra Dynamics Ultraviolet Water Purifiers", 6 pages, of Ultra Dynamics Corporation, Santa Monica, Calif.
One page, unnumbered, from catalog of the Upjohn Company, Fine Chemical Division, North Haven, Conn., graphically depicting the UV spectrum (absorbance as a function of wavelength) of DEAP (diethoxyacetophenone).
Loctite Corporation
Wyse Tom
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