Process for co-production of higher alcohols, methanol and ammonia
This patent describes an integrated process for the production of higher alcohols, methanol and ammonia. It comprises: catalytically reforming at first methane-containing stream with steam and carbon dioxide to form first a hydrogen and carbon monoxide-containing synthesis gas; removing carbon dioxide from the first synthesis gas and recycling at least a portion of the carbon dioxide to the reformation; rejecting at least a portion of the hydrogen content of the first synthesis gas to produce a first carbon monoxide-rich synthesis gas and a hydrogen stream; at least partially catalytically reforming a second methane-containing stream with steam and carbon dioxide to form an initial methane, hydrogen and carbon monoxide-containing synthesis gas and further reforming the initial syntheses gas by partial oxidation with an oxygen-enriched gas to result in a second hydrogen and carbon monoxide-containing synthesis gas; removing carbon dioxide from the second synthesis gas and recycling at least a portion of the carbon dioxide to the catalytic reformation; combining the hydrogen stream with a nitrogen-rich stream and catalytically reacting the combined stream to produce ammonia; combining the first and second synthesis gas streams and catalytically reacting them to produce higher alcohols and a purge stream of residual unreacted synthesis gas at an elevated pressure; and reacting the purge stream to produce methanol.
- Assignee:
- Air Products and Chemicals Inc., Allentown, PA
- Patent Number(s):
- US 4886651; A
- Application Number:
- PPN: US 7-195516A
- OSTI ID:
- 6961828
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
030400* -- Natural Gas-- Products & By-Products
ALCOHOLS
ALKANES
AMMONIA
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
METHANE
METHANOL
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PRODUCTION
REFORMER PROCESSES
STEAM