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Catalytic converter prototypes were first designed in France at the end of the 19th century, when only a few thousand "oil cars" were on the roads; these prototypes had inert clay-based materials coated with platinum, rhodium, and palladium and sealed into a double metallic cylinder. [6]
Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Platinum is used in the glass industry [10] to manipulate molten glass, which does not "wet" platinum.
Catalytic-converter-equipped vehicles have helped cut other air pollutants by more than 3 billion tons worldwide between 1975 and 2000; of this 1.5 billion short tons was in the United States. Automobiles meet emission standards that required reductions of up to 98+ percent for HC, 96 percent for CO, and 95 percent for NOx compared to the ...
Gerhard Ertl is known for determining the detailed molecular mechanisms of the catalytic synthesis of ammonia over iron (Haber Bosch process) and the catalytic oxidation of carbon monoxide over platinum (catalytic converter). During his research he discovered the important phenomenon of oscillatory reactions on platinum surfaces and, using ...
Vladimir Haensel (1 September 1914 – 15 December 2002) was an American chemical engineer who invented the platforming process - a platinum catalytic process for reforming petroleum hydrocarbons into gasoline. In addition, he was influential in the creation of catalytic converters for automobiles.
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