Method of reforming hydrocarbons

Gas: heating and illuminating – Processes – Oil and steam injected

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48196R, C01B 214

Patent

active

039321479

ABSTRACT:
The present invention relates to a method of manufacturing a gas rich in methane by subjecting two varieties or more of hydrocarbons having more than 2 carbon atoms per molecule and different mean molecular weights to steam-reforming process comprising at least two stages, wherein a mixture consisting of hydrocarbons whose means molecular weight is relatively small and steam is introduced to the nickel-containing catalyst bed for the first stage at a temperature in the range of 350.degree. to 550.degree.C, and subsequently, the resulting product is mixed with hydrocarbons whose mean molecular weight is larger than that of the preceding hydrocarbon -- along with steam, if necessary -- and is introduced to the nickel-containing catalyst bed at a temperature in the range of 300.degree. to 550.degree.C for the second stage.

REFERENCES:
patent: 3415634 (1968-12-01), Dent et al.
patent: 3420642 (1969-01-01), Percival
patent: 3866353 (1975-02-01), Krumm et al.

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