Haldor Topsoe A/s

Umicore Ag & Co Kg

Haldor Topse A/s

Topsoe A/s

Joakim Reimer Thøgersen

Manuel Moliner Marín

Avelino Corma Canós

Arkady Kustov

Peter C Schoubye

Nuria Martín García

Francesco Castellino

Peter N R Vennestrøm

Marie Grill

Antonio Eduardo Palomares Gimeno

Peter Nicolai Ravnborg Vennestrøm

Raquel Martinez Franco

Cristina Franch Marti

Niklas Bengt Jakobsson

Lars Storm Pedersen

Raquel Martínez Franco

Henrik Trolle

Peter N R VENNESSTRØM

A method for the removal of nitrous oxide from off gas by direct decomposition or by selective catalytic reduction in presence of a reducing agent, comprising the steps of contacting the gas directly or together with the reducing agent or a precursor thereof with a catalyst comprising an Fe-AEI zeolite material essentially free of alkali metal ions (Alk) and having the following molar compositions:SiOAlOFe:Alk

Method for the removal of nitrous oxide from off gas in presence of catalyst comprising an Fe-AEI zeolite material essentially free of alkali metal

The invention relates to a gas treatment monolith article, said gas treatment article comprising: a full body porous material comprising a porous substrate and an aluminium oxide coating homogeneously distributed throughout said porous substrate, wherein said porous substrate is a fibrous material; and at least one acid gas absorption active component or a precursor thereof impregnated into said porous aluminium oxide coated substrate. The invention further relates to uses of the gas treatment monolith article of the invention.

Gas treatment monolith article

A method for the removal of nitrogen oxides from exhaust, flue or off gas by selective catalytic reduction in presence of ammonia as a reductant, comprising the steps of contacting the exhaust gas together with the ammonia or a precursor thereof with an SCR catalyst comprising a Fe-AEI zeolite material essentially free of alkali metal ions (Alk), having the following molar compositions:SiOAlOFe:Alkwherein o is in the range from 0.001 to 0.2;wherein p is in the range from 0.001 to 0.2;wherein Alk is one or more of alkali metal ions and wherein q is below 0.02.

Method for the removal of nitrogen oxides from exhaust gas by selective catalytic reduction in presence of an SCR catalyst comprising a Fe-AEI zeolithic material essentially free of alkali metal

Ceramic candle filter and use of the filter in the removal of particulate matter in form of soot, ash, metals and metal compounds, together with hydrocarbons and optionally nitrogen oxides being present in process off-gas or engine exhaust gas, wherein a noble metal comprising catalyst is arranged on the permeation side of the filter and/or on the dispersion side of the filter and/or within wall of the filter, said noble metal comprising catalyst contains a noble metal in an amount of between 20 and 1000 ppm/weight of the filter.

Catalyzed ceramic candle filter and method of cleaning process off- or exhaust gases

Catalyzed filter consisting of a filter body of bio-soluble fibers catalyzed with a catalyst comprising oxides of vanadium and titanium, wherein the total concentration of alkali metals in the filter body is less than 3000 ppm by weight and/or the total concentration of alkali earth metals in the filter body is less than 20% by weight.

Catalysed filter based on biosoluble fibers

Process for the direct synthesis of Cu-SSZ-13 from a synthesis mixture comprising water, at least one silicon source, at least one Al source, at least one Cu source, at least one polyamine for complexing with Cu, and a single organic structure directing agent. A Cu containing molecular sieve having the framework structure of SSZ-13, obtainable by the process and use of the Cu containing molecular sieve.

One-pot method for the synthesis of Cu-SSZ-13, the compound obtained by the method and use thereof

An exhaust gas cleaning system, comprising an active regenerable particulate filter and an SCR catalyst comprising a hydrothermally microporous stable zeolite having the AEI type framework and being promoted with copper, where the zeolite is SSZ-39.

System for the purification of exhaust gas from an internal combustion engine

In a broad form the present invention relates to a method for oxidation of a species comprising sulfur in an oxidation state below +4, such as HS, CS, COS and Svapor, to SOsaid method comprising the step of contacting the gas and an oxidant with a catalytically active material consisting of one or more elements taken from the group consisting of V, W, Ce, Mo, Fe, Ca, Mg, Si, Ti and Al in elemental, oxide, carbide or sulfide form, optionally with the presence of other elements in a concentration below 1 wt %, at a temperature between 180&#xb0; C. and 290&#xb0; C., 330&#xb0; C., 360&#xb0; C. or 450&#xb0; C., with the associated benefit of such a temperature being highly energy effective, and the benefit of said elements having a low tendency to form sulfates under the conditions, with the related benefit of an increased stability of the catalytically active material. The other elements present may be catalytically active noble metals or impurities in the listed materials.

Catalyst for the oxidation of sulfur compounds

The invention provides a method and system for the purification of exhaust gas from an internal combustion engine, comprising a filter and a SCR catalyst. The filter is periodically regenerated increasing the temperature of the exhaust gas up to 850&#xb0; C. and the water vapor content up to 100% by volume. The SCR catalyst comprises a hydrothermally microporous stable zeolite and/or zeotype having the AEI type framework and being promoted with copper.

Method and system for the purification of exhaust gas from an internal combustion engine

A process for the direct synthesis of Cu-SAPO-34 comprising at least the steps: preparation of a mixture of water, at least one silicon source, at least one Al source, at least one P source, at least one Cu source, at least one 0SDA1 (any polyamine), and at least one OSDA2 source (where OSDA2 is any organic molecule capable of directing the synthesis of SAPO 34); and where the final synthesis mixture has the molar composition: a Si:0.5 Al:c Cu:d OSDA1:e OSDA2:f H2O wherein a is in the range from 0.01 to 0.3; b is in the range from 0.2 to 0.49; c is in the range from 0.001 to 0.6; d is in the range from 0.001 to 0.6; e is in the range from 0.001 to 2; f is in the range 1 to 200; hydrothermal treatment of the mixture at 80&#x2212;200&#xb0; C. until formation of the crystalline material, and recovery of the crystalline material.

Process for the direct synthesis of Cu-SAPO-34

Method for reducing oxides of nitrogen and sulphur in exhaust gas from a lean burn internal combustion engine.

Process for the reduction of nitrogen oxides and sulphur oxides in the exhaust gas from internal combustion engine

The invention relates to a method and a catalyst for removal of nitrogen oxides in a flue gas from a combustion engine or gas turbine by injecting a reducing agent and reducing the nitrogen oxides in the presence of a catalyst. The catalyst is a zeolite based catalyst on a corrugated monolithic substrate, the substrate has a density of 50-300 g/l and a porosity of at least 50%. The monolithic substrate is a paper of high silica content glass or a paper of E-glass fiber with a layer of diatomaceous earth or a layer of titania, and the catalyst is a Fe-&#x3b2; zeolite.

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Virum, Denmark

Joakim Reimer Thøgersen