Johnson Matthey Public Limited Company

Trong Pham

Hai-Ying Chen

Joseph Michael Fedeyko

Raul Francisco Lobo

Nicholas McNamara

Sanyuan Yang

Provided are a novel form of AFX zeolite, a novel synthesis technique for producing pure phase small pore zeolites, a novel synthesis method for producing a zeolite with an increased Al pair content, a catalyst comprising the AFX zeolite in combination with a metal, and methods of using the same.

Zeolite synthesis with alkaline earth metal

Provided are a novel synthesis technique for producing pure phase aluminosilicate zeolite and a catalyst comprising the phase pure zeolite in combination with a metal, and methods of using the same. The pure phase aluminosilicate zeolite can be selected from those having an ITW framework and a silica to alumina ratio of less than about 140 or, an STW framework and a silica to alumina ratio less than about 100.

Zeolite synthesis with a fluoride source

Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same. The AEI aluminosilicate zeolite has a cuboid morphology and a silica-to-alumina ratio of 20 to 50.

High silica AEI zeolite

Provided are novel synthesis techniques for producing pure phase aluminosilicate zeolite and a catalyst comprising the phase pure zeolite in combination with a metal, and methods of using the same.

Provided are a novel synthesis technique for producing a metal promoted aluminosilicate zeolite having a small pore framework comprising the step of reacting a synthesis gel comprising at least one promoter metal containing zeolite, a structure directing agent and an optional additional silica source; and methods of using the same.

Synthesis of metal promoted zeolite catalyst

A method of synthesizing a zeolite comprising the steps of: a. preparing an admixture containing (i) at least one source of alumina, (ii) at least one source of silica, and (iii) at least one structure directing agent (SDA) in hydroxide form, wherein the admixture is essentially free of alkali metals, wherein the at least one structure directing agent (SDA) in hydroxide form is N,N-diethyl-2,6-dimethylpiperidinium; and b. heating the admixture under autogenous pressure at a temperature and with stirring or mixing for a sufficient time to crystalize hydrogen-form zeolite crystals having an AEI framework.

Synthesis of AEI and Cu-AEI zeolites

Provided are a novel form of AEI zeolite, a novel synthesis technique for producing pure phase AEI zeolite, a catalyst comprising the AEI zeolite in combination with a metal, and methods of using the same.

Provided are a novel synthesis technique for producing pure phase aluminosilicate zeolite and a catalyst comprising the phase pure zeolite in combination with a metal, and methods of using the same.

Provided is a novel synthesis technique for producing pure phase small pore zeolites employing a synthesis gel of at least one zeolite, a structure directing agent and an alkaline earth metal source. Additionally provided are a novel form of AFX zeolite, a novel synthesis method for producing a zeolite with an increased Al pair content, a catalyst comprising the AFX zeolite in combination with a metal, and methods of using the same.

An alkali-free H-AFX zeolite and synthesis procedure are disclosed, as well the use of such zeolite as a catalyst in an SCR process.

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Wayne, PA, United States of America

Trong Pham