Hydropyrolysis catalyst
AssigneeShell USA, Inc.
InventorsRikeshchandra Sharadchandra JOSHI, Patrick VANDER HOOGERSTRAETE, Pieter HUIZENGA
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Abstract
The present disclosure provides a hydropyrolysis catalyst that includes molybdenum and a metal selected from those in groups 8, 9 and 10 of the periodic table as active species and in the range of from 35 to 60 wt % of alpha alumina with a particle density of at least 3.5 g/cm3 and 30 to 60 wt % of an alumina, which is not alpha alumina, with a particle density of at least 0.8 g/cm3, based on the overall weight of the catalyst in oxidic form. The present disclosure also provides a method of producing the hydropyrolysis catalyst.
Claims8
A hydropyrolysis catalyst, said catalyst comprising molybdenum and one or more metal selected from those in groups 8, 9 and 10 of the periodic table as active species and in the range of from 35 to 60 wt % of alpha alumina with a particle density of at least 3.5 g/cm3 and 30 to 60 wt % of an alumina, which is not alpha alumina, with a particle density of at least 0.8 g/cm3, based on the overall weight of the catalyst in oxidic form.
A method of producing a hydropyrolysis catalyst, said process comprising the steps of:
- coprocessing a mixture of an alpha alumina with a particle density of at least 3.5 g/cm3 with an alumina precursor, a source of a metal selected from those in 8, 9 and 10 of the periodic table, a molybdenum source, water and an acid selected from acetic acid and nitric acid;
- and
- extruding and drying the mixture and then calcining it at a temperature in the range of from at least 450° C. and at most 900° C. to provide a finished catalyst.
Dependencies are inferred from the claim text.