Process and plant for producing methanol from hydrogen-rich synthesis gas

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United States of America Patent

PATENT NO 12024485
APP PUB NO 20220396539A1
SERIAL NO

17773306

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Abstract

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A process for producing methanol, wherein a make-up gas stream from a reformer unit is admixed with a hydrogen-containing stream from a hydrogen recovery stage to obtain a hydrogen-rich synthesis gas, which is combined with a residual gas stream and the combined stream is passed through a bed of a methanol synthesis catalyst at elevated pressure and elevated temperature to obtain a product stream comprising methanol and the residual gas stream and wherein the product stream is cooled to remove methanol from the residual gas stream. Wherein a portion of the residual gas stream is removed as a purge gas stream and a portion of the hydrogen-rich synthesis gas stream is removed and combined with the purge gas stream to obtain a mixed synthesis gas stream and the mixed synthesis gas stream is sent to the hydrogen recovery stage to produce the hydrogen-containing stream.

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Patent Owner(s)

  • L'AIR LIQUIDE - SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gronemann, Veronika Karben, DE 25 25
Haase, Stephan Steinbach, DE 2 0
Janko, Lutz Erzhausen, DE 4 12
Kopetsch, Hans Bad Homburg, DE 6 13
Lim, Chin Han Frankfurt am Main, DE 4 1

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