Many reactions involving @[email protected] and particularly those run at higher temperatures lead to the deposition on the @[email protected] of high @[email protected] compounds of carbon and hydrogen which deactivate the @[email protected] This phenomenon is called coking or fouling. Catalysts so deactivated can often be regenerated.
PAC, 1976, 46, 71. (Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis) on page 84 [Terms] [Paper]