Combined hydrocarbon/ozone converter for airplane bleed air system

An ozone and hydrocarbon destroying system, comprising;

• a metal core;
• a surface layer formed by physical, chemical, electrochemical, or thermal means from a portion of the core;
• an active metal oxide washcoat that destroys ozone and containing manganese oxide or cobalt oxide applied to said surface layer to form a treated surface layer;
• and
• an impregnated active metal impregnated in said active metal oxide washcoat that destroys hydrocarbons, wherein said impregnated active metal is platinum.

An ozone and hydrocarbon destroying system for an environmental control system, comprising;

• a metal core with a plurality of fins;
• an anodized surface layer formed from a portion of the core, wherein said anodized surface layer is aluminum oxide;
• an active metal oxide washcoat containing manganese oxide or cobalt oxide that applied to said anodized surface layer destroys ozone;
• and
• an active metal impregnated in said active metal oxide washcoat that destroys hydrocarbons, wherein said active impregnated metal is platinum and wherein said platinum is loaded at 0.5-15% by weight of said washcoat.

An ozone and hydrocarbon destroying system, comprising;

• a core;
• a high surface area refractory metal oxide washcoat applied to said core;
• a first active metal impregnated in said washcoat layer that destroys ozone;
• and
• a second active metal impregnated in said washcoat layer that destroys hydrocarbons and carbon monoxide .

An ozone and hydrocarbon destroying system, comprising;

• a metal core;
• a surface layer formed by physical, chemical, electrochemical, or thermal means from a portion of the core;
• a high surface area refractory metal oxide washcoat that is applied to said surface layer
• a first active metal that impregnated into said washcoat destroys ozone, wherein said first active metal is manganese or cobalt;
• and
• a second active metal impregnated into said washcoat which destroys hydrocarbons, wherein said second active material is platinum.

An ozone and hydrocarbon destroying system for an environmental control system of an aircraft, comprising;

• a metal core with a plurality of fins;
• an anodized surface layer formed from a portion of said core, wherein said anodized surface layer is aluminum oxide;
• a high surface area refractory metal oxide washcoat applied to said anodized surface layer;
• a first active metal that impregnated into said washcoat destroys ozone, wherein said first active metal is cobalt oxide and is loaded at up to 100% by weight of said washcoat;
• and
• and a second active metal impregnated in said washcoat destroys hydrocarbons, wherein said second active metal is platinum and is loaded at 0.5-15% by weight of said washcoat.

A method of preparing a core of a catalytic converter so as to provide a combined hydrocarbon-destroying and ozone-destroying converter, comprising:

• applying to said core of said catalytic converter a washcoat, wherein said washcoat contains a high-surface area refractory metal oxide;
• drying and calcining washcoated core;
• impregnating said washcoated core with a salt of a first active metal and a salt of a second active metal;
• and
• drying and calcining said impregnated and washcoated core.

A method of simultaneously destroying ozone, hydrocarbons, and carbon monoxide in airplane bleed air, comprising;

• passing ozone, hydrocarbons, and carbon monoxide containing air through a catalytic converter, wherein said catalytic converter includes:
• a core;
• a washcoat on said core that contains an first active metal that has a high efficiency for the removal of ozone;
• and
• said washcoat having a second active metal, wherein said second active metal has a high efficiency for the conversion of hydrocarbons to carbon dioxide and water.