Oxidation catalysts comprising metal exchanged hexaaluminate wherein the metal is Sr, Pd, La, and/or Mn

Wickham, David; Cook, Ronald

Title: Oxidation catalysts comprising metal exchanged hexaaluminate wherein the metal is Sr, Pd, La, and/or Mn

Patent · Tue Oct 28 00:00:00 EDT 2008

OSTI ID:985171

Wickham, David ^[1]; Cook, Ronald ^[2]

Boulder, CO
Lakewood, CO

The present invention provides metal-exchanged hexaaluminate catalysts that exhibit good catalytic activity and/or stability at high temperatures for extended periods with retention of activity as combustion catalysts, and more generally as oxidation catalysts, that make them eminently suitable for use in methane combustion, particularly for use in natural gas fired gas turbines. The hexaaluminate catalysts of this invention are of particular interest for methane combustion processes for minimization of the generation of undesired levels (less than about 10 ppm) of NOx species. Metal exchanged hexaaluminate oxidation catalysts are also useful for oxidation of volatile organic compounds (VOC), particularly hydrocarbons. Metal exchanged hexaaluminate oxidation catalysts are further useful for partial oxidation, particularly at high temperatures, of reduced species, particularly hydrocarbons (alkanes and alkenes).

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Research Organization:: TDA Research, Inc. (Wheat Ridge, CO)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG03-99ER82902

Assignee:: TDA Research, Inc. (Wheat Ridge, CO)

Patent Number(s):: 7,442,669

Application Number:: 10/382,132

OSTI ID:: 985171

Country of Publication:: United States

Language:: English

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