Co2 or h2s reducing system and method of reducing co2 or h2s

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 53/14 (2006.01) B01D 53/52 (2006.01) B01D 53/62 (2006.01) B01D 53/77 (2006.01)

Patent

CA 2693065

A CO2 reducing system (10A) is constituted by a low-temperature CO2 reducing apparatus (11-1) that includes a low-temperature absorber (1006-1) that reduces at least one of CO2 and H2S by bringing flue gas (1002) including at least one of CO2 and H2S into contact with a low- temperature absorbing solution (1005-1), a low-temperature regenerator (1008-1) that regenerates a low-temperature rich solution (1007-1), a low-temperature rich-solution supply line (12-1) that feeds the low-temperature rich solution (1007-1) to the low-temperature regenerator (1008--1), and a low-temperature lean-solution supply line (13-1) that feeds a low-temperature lean solution (1009-1) to the low-temperature absorber (1006-1) from the low-temperature regenerator (1008-1); and a high-temperature CO2 reducing apparatus (11-2) that is arranged on a side at which the flue gas (1002) is discharged, and that has the same configuration as the low-temperature CO2 reducing apparatus (11-1).

Un système d'élimination du CO2 (10A) comprenant une unité d'élimination de CO2 (11-1) basse température comprenant une colonne d'absorption (1006-1) basse température conçue pour mettre en contact un gaz de carneau (1002) contenant du CO2/H2S avec un liquide absorbant (1005-1) basse température afin d'éliminer le CO2/H2S, une colonne de régénération (1008-1) basse température conçue pour la régénération d'une solution riche (1007-1) basse température, une conduite d'alimentation (12-1) basse température conçue pour fournir la solution riche (1007-1) basse température à la colonne de régénération (1008-1) basse température et une conduite d'alimentation pour fournir une solution appauvrie (13-1) basse température à la colonne de régénération (1008-1), pour fournir une solution appauvrie (1009-1) basse température à la colonne d'absorption (1006-1) basse température et qui comprend sur le côté décharge du gaz de carneau (1002), une unité d'extraction du CO2 (11-2) haute température, dont la structure est semblable à celle de l'unité d'extraction du CO2 (11-1) basse température.

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