Development of post-combustion CO₂ capture with CaO/CaCO₃ looping in a bench scale plant

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• 作者：Chin-Ming Huang^a ; Heng-Wen Hsu^a ; Wan-Hsia Liu^a ; Jui-Yen Cheng^a ; Wei-Cheng Chen^a ; Tzeng-Wen Wen^a ; Wang Chen^a
• 关键词：CO₂ capture ; CaO/CaCO₃ looping ; Carbonator ; Calciner ; Pilot testing
• 刊名：Energy Procedia
• 出版年：2011
• 出版时间：2011
• 年：2011
• 卷：4
• 期：Complete
• 页码：1268-1275
• 全文大小：320 K

文摘

Several systems for CO₂ capture using CaO as regenerable sorbent are under development at Industrial Technology Research Institute (ITRI). CaO/CaCO₃ looping of carbon dioxide capture system can also be used for both pre-combustion and post-combustion carbon dioxide capture. At present, ITRI has established a post-combustion 1 kW CaO/CaCO₃ looping of carbon dioxide capture system device in Taiwan. The carbonator is for the bubbling fluidized bed and the calciner is for the moving bed. The device made up 0.1 kg/hour of new CaO which has been under 57 hours of continuous operation. Capture efficiencies above 99 % have been obtained under realistic flue gas conditions in the carbonator reactor.

In the future, power generation, petrochemical industry and steel and iron industries are the first to be considered for reduction of CO₂ emissions. Our goal is to establish a 1 MW (5 thousand tons of CO₂ every year) pilot plant in 2011, 10 to 30 MW (50 to 150 thousand tons CO₂ every year) demonstration plant in 2020 and a commercial plant in 2027 for post-combustion capture. In addition, ITRI has to research and develop the CO₂ capture technologies from flue gases including Gasification or Integrated Gasification Combined Cycle (IGCC), CaO/CaCO₃ looping and innovative meso-porous nanomaterials for CO₂ adsorption.