Chemistry of hydrocarbon compounds – Unsaturated compound synthesis
Patent
1991-05-16
1992-11-03
McFarlane, Anthony
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
585911, 585913, 585924, 585926, 585943, C07C 200
Patent
active
051605015
ABSTRACT:
Method and apparatus for thermal conversion of methane to hydrocarbons of higher molecular weight, comprising a reactor 1 of elongated shape, connected at a first end to means 5 for supplying gas mixture containing methane (process gas), and connected at the opposite end to discharge means 10, the reactor having a plurality of electric heating means 3 surrounded by sheaths 4 over a first part (towards the first end). The heating means, which are substantially parallel, are arranged in sheets which are substantially parallel and perpendicular to the axis of the reactor, so that spaces or passages for circulation of the process gas and/or effluent are defined between the sheaths and/or between the sheaths and the walls 22 separating two consecutive sheets. The heating means are adapted to heat the passages by successive independent cross sections substantially perpendicular to the axis of the reactor. In a second part 8 (towards the opposite end) adjoining the first part, the reactor further comprises means 9 for cooling the effluent, connected to the means for supplying cooling fluid. The reactor also has means for introducing a gas containing hydrogen into the space surrounding the heating means inside the sheaths 4, at an appropriate pressure. The reactor and particularly the sheaths 4 are designed so that hydrogen is diffused from inside the sheaths to outside them and can then be diluted in the process gas.
REFERENCES:
patent: 3410922 (1968-11-01), Sanchez
patent: 4886932 (1989-12-01), Leyshon
patent: 4926001 (1990-05-01), Alagy et al.
patent: 4990714 (1991-02-01), Nemet-Mavrodin
patent: 5025109 (1991-06-01), DeCaul et al.
Alagy Jacques
Broutin Paul
Busson Christian
Weill Jerome
Institut Francais du Pe'trole
McFarlane Anthony
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