Catalytic dehydrogenation Houdry Catadiene process

Craig, R.G. Spence, D.C. Catalytic dehydrogenation of liquefied petroleum gas by the Houdry Catofin and Catadiene processes. In Handbook of Petroleum Refining Processes, Robert, A.M., Ed. McGraw-Hill, 1986 Section 4.1. 

Catadiene [Catalytic butadiene] Also spelled Catadien. A version of the Houdry process for converting mixtures of butane isomers into butadiene by dehydrogenation over an alumina/chromia catalyst. Another version converts propane to propylene. Rapid coking of the catalyst necessitates use of several reactors in parallel, so that reactivation can be carried out continuously. Developed by Houdiy and first operated at El Segundo, CA, in 1944. By 1993, 20 plants had been built worldwide. Now licensed by ABB Lummus Crest. 

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