Catalytic combustion
Catalytic combustion is a chemical process which uses a catalyst to speed desired oxidation reactions of a fuel and so reduce the formation of undesired products, especially pollutant nitrogen oxide gases (NOx) far below what can be achieved without catalysts. The process was discovered in the 1970s at Engelhard Corp.
Catalysts may be used to control combustion reactions in the following ways:
Catalytic combustion was developed by Dr. William C. Pfefferle of Engelhard Corp by 1975. He co-founded a company, Precision Combustion, in 1986 to develop catalytic combustors for gas turbines. Pfefferle holds more than ninety United States patents related to catalytic combustion. Other early work was carried out by researchers at Acurex, Westinghouse, NASA and the United States Air Force. The technique was revisited in the 1990s, leading to two types of catalytic system: Catalytica's fuel-lean approach, and Precision Combustion's fuel-rich approach.
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