Changes

The behavior of the catalyst is also a consideration. Particularly in high-temperature petrochemical processes, catalysts are deactivated by [[sintering]], [[coking]], and similar processes.
 
A common example of a catalytic reactor is the [[catalytic converter]] following an engine. However, most petrochemical reactors are catalytic, and are responsible for most of industrial chemical production in the world, with extremely high-volume examples such as [[sulfuric acid]], [[ammonia]], reformate/[[BTEX]] (benzene, toluene, ethylbenzene and xylene) and [[alkylate]] gasoline blending stock.Mian Azeem 03004960054
 
==See also==
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