Multi-layered photocatalyst/thermocatalyst for improving indoor air quality

A layered photocatalytic/thermocatalytic coating oxidizes contaminants that adsorb onto the coating into water, carbon dioxide, and other substances. The layered coating includes a photocatalytic outer layer of titanium dioxide that oxides volatile organic compounds. The coating further includes an...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	WEI DI,VANDERSPURT THOMAS H.,RADHAKRISHNAN RAKESH,HAY STEPHEN O.,OBEE TIMOTHY N.,SCHMIDT WAYDE R
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL RANGES SEPARATION SPRAYING OR ATOMISING IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING VENTILATING WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A layered photocatalytic/thermocatalytic coating oxidizes contaminants that adsorb onto the coating into water, carbon dioxide, and other substances. The layered coating includes a photocatalytic outer layer of titanium dioxide that oxides volatile organic compounds. The coating further includes an intermediate layer of Group VIII noble metal doped titanium dioxide that oxidizes low polarity organic molecules. An inner layer of gold on titanium dioxide oxidizes carbon monoxide to carbon dioxide. When photons of the ultraviolet light are absorbed by the coating, reactive hydroxyl radicals are formed. When a contaminant is adsorbed onto the coating, the hydroxyl radical oxidizes the contaminant to produce water, carbon dioxide, and other substances.