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AssigneeBASF SE
InventorsAndrei-Nicolae Parvulescu, III, Robert McGuire, Ulrich Mueller, Weiping Zhang, Chuan Shi
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A rare earth element containing zeolitic material having an AEI-type framework structure, the framework structure of the zeolitic material comprising SiO2 and X2O3, X being a trivalent element, wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure, and wherein the zeolitic material is obtainable and/or obtained according to a process involving the hydrothermal treatment of the rare earth element containing zeolitic material at a temperature in the range of from 400 to 1,000° C. A coated monolith substrate comprising a rare earth element containing zeolitic material having an AEI-type framework structure, wherein the zeolitic material is supported on the monolith substrate. A process for the production of a coated monolith substrate comprising a rare earth element containing zeolitic material having an AEI-type framework structure.
A coated monolith substrate comprising a rare earth element containing zeolitic material having an AEI-type framework structure, the framework structure of the zeolitic material comprising SiO2 and X2O3, wherein X stands for a trivalent element, wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure, wherein the zeolitic material is supported on the monolith substrate, wherein the zeolitic material displays an SiO2:X2O3 molar ratio in the range of from 6 to 200, and wherein the AEI-type framework structure further comprises one or more transition metal elements M selected from the group consisting of Cr, Fe, Co, Ni, Cu, Zn, Pd, and Pt, including combinations of two or more thereof, as counter-ions at the ion exchange sites of the framework structure, wherein the one or more rare earth elements are Y, and wherein the one or more rare earth elements are contained in the zeolitic material in an amount in the range of from 1.5 to 2.2 wt.-%, based on 100 wt.-% of SiO2 contained in the zeolitic material.
A rare earth element containing zeolitic material having an AEI-type framework structure, the framework structure of the zeolitic material comprising SiO2 and X2O3, wherein X stands for a trivalent element, wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure, wherein the zeolitic material is obtainable and/or obtained according to a process involving the hydrothermal treatment of the rare earth element containing zeolitic material at a temperature in the range of from 400 to 1,000° C., wherein the zeolitic material displays an SiO2:X2O3 molar ratio in the range of from 6 to 200, and wherein the AEI-type framework structure further comprises one or more transition metal elements M selected from the group consisting of Cr, Fe, Co, Ni, Cu, Zn, Pd, and Pt, including combinations of two or more thereof, as counter-ions at the ion exchange sites of the framework structure, wherein the one or more rare earth elements are Y, and wherein the one or more rare earth elements are contained in the zeolitic material in an amount in the range of from 1.5 to 2.2 wt.-%, based on 100 wt.-% of SiO2 contained in the zeolitic material.
A process for the production of a coated monolith substrate comprising a rare earth element containing zeolitic material having an AEI-type framework structure, the framework structure of the zeolitic material comprising SiO2 and X2O3, wherein X stands for a trivalent element, comprising
A process for the production of a coated monolith substrate comprising a rare earth element containing zeolitic material having an AEI-type framework structure, the framework structure of the zeolitic material comprising SiO2 and X2O3, wherein X stands for a trivalent element, comprising
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