Liquid hydrocarbon synthesis using supported ruthenium catalysts

Chemistry: fischer-tropsch processes; or purification or recover – Group viii metal containing catalyst utilized for the...

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C07C 104

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044775954

ABSTRACT:
Selective production of C.sub.5 -C.sub.40 hydrocarbons containing C.sub.5 -C.sub.20 hydrocarbons having a high paraffins content, i.e., for producing gasoline and diesel fuel and useful as a chemical feedstock, is achieved by contacting H.sub.2 /CO mixtures with supported ruthenium catalysts under conditions including elevated temperature and ratios of gas hourly space velocity/pressure below about 24,000 v/v/hr/MPaA to effect percent CO conversions at least about 20%. The ruthenium catalyst support contains a titanium oxide, niobium oxide, vanadium oxide or tantalum oxide and C.sub.5 -C.sub.40 hydrocarbons can be selectively obtained in about 60-90 weight percent of total hydrocarbon products.

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