FISCHER-TROPSCH PROCESS - BP EXPLORATION OPERATING

Title:

FISCHER-TROPSCH PROCESS

Document Type and Number:

WIPO Patent Application WO2002097010

Kind Code:

A3

Abstract:

A process for the conversion of synthesis gas to hydrocarbons, at least a portion of which are liquid at ambient temperature and pressure, by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprising a solid particulate Fischer-Tropsch catalyst suspended in a liquid medium, which contacting takes place in a reactor system comprising at least one high shear mixing zone and a reactor vessel wherein the volume of suspension present in the high shear mixing zone(s) is substantially less than the volume of suspension present in the reactor vessel, which process comprises: mixing the suspension with synthesis gas in the high shear mixing zone(s) and dissipating kinetic energy to the suspension present in the high shear mixing zone(s) at a rate of at least 0.5kW/m<3> relative to the total volume of suspension present in the reactor system; discharging the resulting mixture of synthesis gas and suspension from the high shear mixing zone(s) into the reactor vessel; withdrawing suspension from the reactor vessel and, at least in part, recycling the suspension to the high shear mixing zone(s); wherein the suspension which is recycled to the high shear mixing zone(s) is cooled to a temperature which is not more than 100 DEG C below the temperature of the suspension in the reactor vessel with the proviso that the temperature of the cooled suspension is at least 150 DEG C.

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Inventors:

NAY BARRY (GB)
SHARP CHRISTOPHER (GB)

Application Number:

PCT/GB2002/002326

Publication Date:

May 08, 2003

Filing Date:

May 17, 2002

Export Citation:

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Assignee:

BP EXPLORATION OPERATING (GB)
DAVY PROCESS TECHN LTD (GB)
NAY BARRY (GB)
SHARP CHRISTOPHER (GB)

International Classes:

C07B61/00; C07C1/04; C07C9/00; C07C9/14; C10G2/00; (IPC1-7): C10G2/00

Domestic Patent References:

WO2001038269A1

2001-05-31

Foreign References:

US5961933A

1999-10-05

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