Process and plant for cooling synthesis gas
A process and a plant for cooling a synthesis gas produced by catalytic steam reformation of a hydrocarbonaceous feed gas, which is cooled by heat exchange with boiler feed water for its conversion into steam, by separating the resulting aqueous condensate, wherein the further cooling is effected in that the gas passes through several series-connected cooling stages and comprises the heat exchange with the feed gas, with degassed and non-degassed boiler feed water for generating the steam required for the steam reformation, and with ambient air, and wherein condensate obtained after the last cooling stage is separated from the gas and the gas is discharged for the further treatment, wherein at least after a further cooling stage upstream of the last cooling stage a hot aqueous condensate is separated from the gas.
L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
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Jean-Philippe Yue
Tadiello Chen