Process for recovering the overspray of aqueous coating agents during spray application in spray booths

A method is described for recovering the overspray of water-based coating materials produced by spray coating in spray booths, in which water-based circulating liquid is circulated in order to take up the overspray. The overspray material is removed from the circulating liquid continuously or discon...

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Bibliographische Detailangaben
Hauptverfasser:	DIETRICH SAATWEBER, FRIEDRICH LUDWIG SIEVER
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMISTRY METALLURGY NOZZLES PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A method is described for recovering the overspray of water-based coating materials produced by spray coating in spray booths, in which water-based circulating liquid is circulated in order to take up the overspray. The overspray material is removed from the circulating liquid continuously or discontinuously in an electrocoagulation bath, the concentration of the overspray in the electrocoagulation bath being kept higher, by means of ultrafiltration, than in the circulating liquid of the spray booth.