Carbon dioxide capture method and facility

Details Carbon dioxide capture method and facility Carbon dioxide capture method and facility

B - Operations, Transporting

01

D

B01D 53/62 (2006.01) B01D 53/02 (2006.01)

Patent

CA 2734786

A carbon dioxide capture facility is disclosed comprising packing formed as a slab, and at least one liquid source. The slab has opposed dominant faces, the opposed dominant faces being at least partially wind penetrable to allow wind to flow through the packing. The at least one liquid source is oriented to direct carbon dioxide absorbent liquid into the packing to flow through the slab. The slab is disposed in a wind flow that has a non-zero incident angle with one of the opposed dominant faces. A method of carbon dioxide capture is also disclosed. Carbon dioxide absorbing liquid is applied into packing in a series of pulses. A gas containing carbon dioxide is flowed through the packing to at least partially ab-sorb the carbon dioxide from the gas into the carbon dioxide absorbing liquid.

L'invention concerne une unité de capture de dioxyde de carbone comprenant un garnissage réalisé sous la forme d'une plaque, et au moins une source de liquide. La plaque se compose de faces dominantes opposées que le vent peut pénétrer au moins en partie afin de traverser le garnissage. La ou les sources de liquide sont orientées de manière à guider le liquide absorbant le dioxyde de carbone dans le garnissage et permettre au liquide de sécouler dans la plaque. La plaque est installée sous un flux de vent qui présente un angle incident non nul avec l'une des faces dominantes opposées. Linvention a trait en outre à un procédé de capture du dioxyde de carbone. Le liquide absorbant le dioxyde de carbone est introduit dans le garnissage suivant une série d'impulsions. Un gaz renfermant du dioxyde de carbone sécoule dans le garnissage afin de permettre au liquide absorbant le dioxyde de carbone dabsorber au moins partiellement le dioxyde de carbone présent dans le gaz.

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