Method Of Separating A Syngas Containing Hydrogen And Carbon Monoxide But Also At Least Carbon Dioxide And Water Vapor
AssigneeL'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
InventorsPascal Marty, Bernd Polster
Life of this patent
Estimating the term…
Abstract
A process for separating a gas mixture in a separation unit of the type in which the gas mixture comes from a reaction unit and comprises, as main constituents, hydrogen (H2) and/or carbon monoxide (CO).
Claims11
1-10. (canceled)
A process for separating a gas mixture containing essentially hydrogen and carbon monoxide, but also at least carbon dioxide and water vapor, said process comprising the steps of:
- a) drying the gas mixture, thereby obtaining a dried gas mixture;
- b) separating the dried gas mixture, at a first pressure, into at least a first gas stream and a second gas stream, in which the first gas stream is at a second pressure, the first gas stream containing all the compounds contained in the dry gas mixture in a first proportion, and the second gas stream is at a second pressure, wherein the second pressure is greater than the first pressure, the second gas stream containing all the compounds contained in the dry gas mixture, in a second proportion, wherein the first proportion is different from the second proportion;
- c) using the second gas stream;
- and
- d) using at least a portion of the first gas stream.
An installation for separating a gas mixture essentially containing hydrogen and carbon monoxide, but also at least carbon dioxide and water, comprising:
- a source of the gas mixture to be separated, wherein the gas source is at a first pressure;
- a unit for drying the gas mixture to be separated;
- a separation unit for separating the gas mixture into at least a first gas stream and a second gas stream, in which the first gas stream is at a second pressure, and the first gas stream containing all the compounds contained in the gas mixture, in a first proportion, and the second gas stream is at a third pressure, the second gas stream containing all the compounds contained in the gas mixture, in s second proportion, wherein the first proportion is different from the second proportion;
- lines connecting the source to the drying unit and lines connecting the drying unit to the separation unit;
- a first module for using at least a portion of the first gas
- a second module for using the second gas stream, and
- lines connecting the separation unit to the first module and lines connecting the separation unit to the second module.
Dependencies are inferred from the claim text.