Main > ORGANIC CHEMICALS > Aliphatics > Ethers > Dimethyl Ether > Synthesis Gas. Derived

Product USA. A

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 05.00
PATENT ASSIGNEE Air Products & Chemicals
PATENT CLAIMS In a process for converting feedstock comprising a synthesis gas feed stream comprising H & CO into an effluent stream comprising dimethyl ether (DME) & by-prodt MeOH wherein said process is a single step process comprising
- Contacting the synthesis gas feed in a DME reactor with a
bifunctional catalyst system having a MeOH synthesis func
tionality & MeOH dehydration functionality
- The IMPROVEMENT to said process for increasing the
stability of said catalyst system comprising introducing
MeOH contg stream into DME reactor such that MeOH
concn > 1.0%
Wherein the MeOH contg stream comprises make-up MeOH
PATENT PHOTOCOPY Available on request

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