C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
48/4
C01B 3/02 (2006.01) B01J 8/06 (2006.01) B01J 19/00 (2006.01) C01B 3/38 (2006.01)
Patent
CA 1329704
ABSTRACT OF THE DISCLOSURE APPARATUS AND USE THEREOF IN THE PRODUCTION OF SYNTHESIS GAS An apparatus for the production of synthesis gas from a hydrocarbon feed gas which apparatus comprises an outer shell (1), a first inlet (2) at the bottom of the shell for the introduction of preheated gaseous hydrocarbon feed, steam and optionally carbon dioxide, a steam reforming zone comprising a plurality of tubes (4) together forming a bundle extending upwardly from a tubesheet (3) communicating with the first inlet (2), the tubes on their tubeside defining three portions (i) a lower empty portion, (ii) an intermediate portion adapted to contain steam reforming catalyst to effect a first steam reforming reaction, and (iii) an upper empty portion, a combustion zone comprising an oxygen mixer or mixer/burner located in the topmost region of the shell communicating with a second inlet (7) for combustion of hydrocarbon fed therethrough to produce hot combustion gases and thereby heat the first steam reforming reaction product, an autothermal reforming zone defined by the shellside of the upper empty portion (iii) of the steam reforming tubes and the shell adapted to contain autothermal reforming catalyst to effect a second reforming of the first steam reforming reaction product and combustion product and thereby produce heat for heating by exchange the first steam reforming reaction product in the portion (ii) of the steam reforming tubes, a heat exchange zone defined by the shellside of the intermediate portion (ii) of the steam reforming tubes and the shell adapted to contain an inert solid material for supporting the autothermal reforming catalyst, for supporting the steam reforming tube bundle and for assisting heat transfer between the shellside and the tubeside thereby heating gases on the tubeside and cooling synthesis gas from the autothermal reforming zone, and an outlet (10) for synthesis gas exiting from the heat exchange zone.
553873
Hardman Stephen
Mcfarlane Roderick Arthur
British Petroleum Company P.l.c. The
Fetherstonhaugh & Co.
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