Method and system for applying, recovering and recycling airfield de-icing chemicals

A system for applying and recovering de-icing chemicals from a surface. The system includes a spray system for applying a de-icing chemical to the surface and draws the de-icing chemical from the surface. The de-icing chemical and contaminants are conveyed to a reservoir to form a combined solution....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	McKeown, Samuel, Cudmore, Paul Edward, Savery, Daniel Thomas, McKeown, Stephen Lyle, Shattuck, Ty
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CLEANING BEACHES CLEANING OF PERMANENT WAYS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES DISPERSING FIXED CONSTRUCTIONS FOG IN GENERAL NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STREET CLEANING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A system for applying and recovering de-icing chemicals from a surface. The system includes a spray system for applying a de-icing chemical to the surface and draws the de-icing chemical from the surface. The de-icing chemical and contaminants are conveyed to a reservoir to form a combined solution. A recovery system includes a filter device for removing solids from the combined solution, at least one sensor for measuring a property of the combined solution, and a source of additive chemical. A controller is configured to determine a property of the combined solution based on signals provided by the at least one sensor, move a valve to an open position to cause the additive chemical to mix with the combined solution if the property is less than a predetermined minimum value, and move the valve to a closed position if the property is greater than the predetermined minimum value.