Title:
INTEGRATED PROCESS FOR MAKING ACETIC ACID AND METHANOL
Document Type and Number:
WIPO Patent Application WO2003097523
Kind Code:
A3
Abstract:
The present invention provides a plant and a process that produces both methanol and acetic acid under substantially stoichiometric conditions, wherein an unadjusted syngas having an R ratio less than 2.0 is provided. All or part of the unadjusted syngas is supplied to a separator unit to recover CO2, CO and hydrogen. At least a portion of any one or combination of the recovered CO2 , CO and hydrogen is added to any remaining syngas not so treated or alternatively combines in the absence of any remaining unadjusted syngas to yield an adjusted syngas with an R ratio of 2.0 to 2.9 which is used to produce methanol. Any recovered CO2 not used to adjust the R ratio of the unadjusted syngas can be supplied to the reformer to enhance CO production. At least a portion of the recovered CO is reacted in the acetic acid reactor with at least a portion of the produced methanol to produce acetic acid or an acetic acid precursor by a conventional process.
Inventors:
THIEBAUT DANIEL MARCEL (FR)
Application Number:
PCT/CY2003/000002
Publication Date:
April 29, 2004
Filing Date:
May 20, 2003
Export Citation:
Assignee:
ACETEX CYPRUS LTD (CY)
THIEBAUT DANIEL MARCEL (FR)
THIEBAUT DANIEL MARCEL (FR)
International Classes:
C01B3/02; C01B3/38; C07C29/151; C07C51/12; (IPC1-7): C01B3/00; C01B3/02; C01B3/38; C07C29/151; C07C29/152; C07C51/12; C07C53/08; C07C53/12; C10G69/02
Foreign References:
| EP0650950A1 | 1995-05-03 | |||
| US3552924A | 1971-01-05 | |||
| US4522894A | 1985-06-11 | |||
| EP1188712A2 | 2002-03-20 | |||
| US5472986A | 1995-12-05 | |||
| EP0233076A2 | 1987-08-19 | |||
| US4464483A | 1984-08-07 | |||
| US20010020044A1 | 2001-09-06 | |||
| EP0533231A1 | 1993-03-24 | |||
| US5728871A | 1998-03-17 | |||
| EP0989094A2 | 2000-03-29 |
Other References:
CHRISTENSEN R S ET AL: "IMPROVE SYNGAS PRODUCTION USING AUTOTHERMAL REFORMING", HYDROCARBON PROCESSING, GULF PUBLISHING CO. HOUSTON, US, 1 March 1994 (1994-03-01), pages 39 - 42,44,46, XP000199938, ISSN: 0018-8190
"Syngas (autothermal)", HYDROCARBON PROCESSING, no. 94, April 2000 (2000-04-01), USA, pages 94, XP002258909
"Syngas (autothermal)", HYDROCARBON PROCESSING, no. 94, April 2000 (2000-04-01), USA, pages 94, XP002258909
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