Steam reforming

A process is described for steam reforming a hydrocarbon feedstock containing one or more nitrogen compounds whilst supressing ammonia formation, comprising passing a mixture of the hydrocarbon feedstock and steam through a catalyst bed consisting of one nickel steam reforming catalysts disposed wit...

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Bibliographic Details
Main Authors Mark Alexander Kent, Andrew Edward Richardson, Mikael Carlsson, Mileta Babovic
Format Patent
LanguageEnglish
Published 23.02.2022
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:A process is described for steam reforming a hydrocarbon feedstock containing one or more nitrogen compounds whilst supressing ammonia formation, comprising passing a mixture of the hydrocarbon feedstock and steam through a catalyst bed consisting of one nickel steam reforming catalysts disposed within a plurality of externally heated tubes in a tubular steam reformer, wherein each tube has an inlet to which the mixture of hydrocarbon and steam is fed, an outlet from which a reformed gas containing hydrogen, carbon monoxide, carbon dioxide, steam, ammonia and methane is recovered, and the steam reforming catalyst at least at the outlet of the tubes is a particulate eggshell steam reforming catalyst comprising 2.5 to 9.5% by weight nickel, expressed as NiO, wherein the nickel is provided in a layer at the surface of the catalyst and the thickness of layer is in the range of 100 to 1000μm.
Bibliography:Application Number: GB20210010521