HYDROGEN-CONTAINING GAS EXTRACTION SYSTEM (VERSIONS) Russian patent published in 2024 - IPC C01B3/52 C10G45/02 

FIELD: chemical or physical processes.

SUBSTANCE: invention relates to two versions of a hydrogen-containing gas extraction system. According to one version, the system includes a hot separator with a heavy fraction line and a light fraction vapor line, on which there is an absorption refrigerating machine heater, an air cooler, refrigerator of absorption refrigerating machine and cold separator with line of light fraction and line of circulating hydrogen-containing gas, on which there is an absorber with a hydrocarbon absorbent line, a purified circulating hydrogen-containing gas line and an absorbate line, as well as a stabilization column, top of which is equipped with a cooling system and a stabilization gas line, and the bottom is equipped with lines of hydrocarbon gas and a stable hydrogenation product, wherein the lines of light and heavy fractions are equipped with reducing devices, wherein the heater of the absorption refrigerating machine and the refrigerator of the absorption refrigerating machine are connected to the absorption refrigerating machine by the heat carrier and coolant input/output lines, respectively, in addition, the absorption refrigerating machine is equipped with an additional refrigerator located on the hydrocarbon absorbent line before the absorber, and the absorbate line is equipped with a recuperative heat exchanger and is connected to the middle part of the stabilization column below the connection of the latter to the light fraction line, but above the connection to the hydrocarbon absorbent line, which is equipped with a recuperative heat exchanger and is connected to the middle part of the stabilization column above the level of connection of the latter with the line of the heavy fraction, but below the level of connection with the line of the light fraction.

EFFECT: increased concentration of hydrogen in purified circulating hydrogen-containing gas and reduced power consumption.

2 cl, 2 dwg, 2 ex