Energy exchangeable multi-stage dry sorbent CO₂ capture process = Energy exchangeable multi-stage dry sorbent CO₂ capture process

다국어 초록 (Multilingual Abstract)

A dry sorbent CO₂ capture process was designed to reduce the thermal energy consumption. The process utilize heat of absorption for heat of regeneration by consisting 3 stage process, and it can reduce the total thermal energy demand of a single stage capture process by more than 50%. The concept was realized as a lab-scale facility that can deal with CO₂ containing gas mixture with a flow rate of 60N㎥/h. The facility was designed so as to make inter-stage heat exchange and intra-stage heat exchange possible, and to measure the heat exchange rate accurately. The process needs 3 kinds of sorbents that work at the 3 different temperature stages. Three spherical sorbents suitable for fluidized beds have been developed. Development results of the facility and the sorbents for the energy exchangeable dry sorbent CO₂ capture process will be presented, and the operation results of the 60N㎥/h facility will also be disclosed.