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- W43434912 abstract "This chapter shows how a catalyst works and examines some aspects of the use of metals, oxides, and sulfides as catalysts.It concentrates mainly on the catalyst and discusses how one makes an effective catalyst that will not only catalyze the desired reaction, but will also have a lifetime long enough to survive the stringent conditions which prevail in a catalytic reactor; and how does one characterize such a catalyst and study all the reactions that take place on its surface during reaction? The ways in which adsorbed molecules react on a catalyst surface to form products are outlined focussing on the energetics of the all over catalytic reaction and on how the presence of the surface affects the reaction, sometimes even changing the product formed. It discusses how adsorption is an essential step in the operation of a catalyst and how it determines the behavior of a catalyst under operation conditions. Furthermore, it considers some typical catalyst formulations and some of the common catalytic reactions occurring over metals, oxides, and sulfides. Although each may exist as single component materials, the active material is often accompanied by other components, for example, as “support” or “promoter”; further, a catalyst may have several different active components and, for example, one of these may be a metal and the other an oxide." @default.
- W43434912 created "2016-06-24" @default.
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- W43434912 date "2012-01-01" @default.
- W43434912 modified "2023-10-06" @default.
- W43434912 title "How Does a Catalyst Work?" @default.
- W43434912 doi "https://doi.org/10.1016/b978-0-444-53363-0.10003-9" @default.
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