Abstract: A gas treatment apparatus, suitable for use in an air purifying apparatus for the production of breathable air, includes a catalyst including palladium and iron oxide and a source of a volatile nitrogen-containing compound. The apparatus is useful in gas masks, emergency escape hoods and static air treatment apparatus.

Abstract: The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter.

Abstract: The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:AI ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter.

Abstract: A gasoline engine having an exhaust system comprises means for trapping particulate matter (PM) from the exhaust gas and a catalyst for catalysing the oxidation of the PM by carbon dioxide and/or water in the exhaust gas, which catalyst comprising a supported alkali metal. The invention further includes a method of combusting PM from a gasoline engine in CO2 and/or H2O from the exhaust gas at temperatures in excess of 500° C., which method comprising trapping the PM and contacting it with a catalyst comprising a supported alkali metal.

Abstract: The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:AI ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter.

Abstract: An article for adsorbing volatile organic compounds (VOCs) derived from organic matter comprising adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: A gas treatment apparatus, suitable for use in an air purifying apparatus for the production of breathable air, includes a catalyst including palladium and iron oxide and a source of a volatile nitrogen-containing compound. The apparatus is useful in gas masks, emergency escape hoods and static air treatment apparatus.

Abstract: The present invention relates to the use of palladium doped ZSM-5 to adsorb volatile organic compounds (VOCs) derived from organic matter, wherein the Si:Al ratio of the ZSM-5 is less than 5 or equal to 100:1, and wherein the palladium doped ZSM-5 is used in an environment comprising less than 10 vol % of oxygen.

Abstract: An article for adsorbing volatile organic compounds (VOCs) derived from organic matter comprising adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: In the removal of heavy metals such as mercury from fluid streams, especially coal-derived syn-gas streams, a sulphided palladium-containing absorber gives improved results by way of mercury-absorption capacity if the absorber is sulphided.

Abstract: The present invention relates to the use of palladium doped ZSM-5 to adsorb volatile organic compounds (VOCs) derived from organic matter, wherein the Si:Al ratio of the ZSM-5 is less than 5 or equal to 100:1, and wherein the palladium doped ZSM-5 is used in an environment comprising less than 10 vol % of oxygen.

Abstract: A gasoline engine having an exhaust system comprises means for trapping particulate matter (PM) from the exhaust gas and a catalyst for catalysing the oxidation of the PM by carbon dioxide and/or water in the exhaust gas, which catalyst comprising a supported alkali metal. The invention further includes a method of combusting PM from a gasoline engine in CO2 and/or H2O from the exhaust gas at temperatures in excess of 500° C., which method comprising trapping the PM and contacting it with a catalyst comprising a supported alkali metal.

Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: In the removal of heavy metals such as mercury from fluid streams, especially coal-derived syn-gas streams, a sulphided palladium-containing absorber gives improved results by way of mercury-absorption capacity if the absorber is sulphided.

Abstract: A catalyst structure for treating exhaust gas from a lean burn internal combustion engine comprises a substrate monolith comprising a lean NOX catalyst (LNC) composition associated with at least one partial oxidation catalyst (POC), wherein the LNC composition is selected from the group consisting of: (a) silver or a silver compound supported on alumina; and (b) at least one metal selected from the group consisting of copper (Cu), iron (Fe), cobalt (Co) and cerium (Ce) supported on at least one zeolite, and wherein the at least one POC is selected from the group consisting of: (i) a bulk oxide, a bulk composite oxide or a bulk mixed oxide comprising at least one metal selected from the group consisting of manganese (Mn), iron (Fe), cerium (Ce) and praseodymium (Pr); and (ii) at least one of rhodium (Rh) and palladium (Pd) disposed on at least one inorganic oxide support.

Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.

Abstract: A NOx-trap composition comprises: (a) at least one first NOx storage component comprising at least one alkali metal supported on at least one first support material; and (b) a platinum oxidation catalyst and at least one second NOx storage component not being an alkali metal supported on at least one second support material, whereby the platinum oxidation catalyst and the at least one alkali metal are physically segregated thereby susbtantially maintaining the hydrocarbon conversion activity of the platinum oxidation catalyst.

Abstract: A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5.