Post-combustion CO2 capture in a Dry Sorbent Injection system

• Main Authors: Jia-Xian Chen, 陳嘉賢
• Other Authors: Chung-Sying Lu
• Format: Others
• Language: zh-TW
• Published: 2016
• Online Access: http://ndltd.ncl.edu.tw/handle/85586514884678742723

碩士 === 國立中興大學 === 環境工程學系所 === 104 === The aim of this research is to obtain a technique of carbon capture which has economical development, refering to air pollution equipment in existence, we aim to change DSI into a technique of carbon capture. We use commercial material, zeolite 13X, to capture carbon for CO2 capture from flue gas. We intend to reduce carbon release and condense concentration of CO2 efficiently to promote capture and reuse of carbon. Then, we evaluate the possibility of this method according to the result of the resarch. Research results were divided into the following: The first part was found the best operating condition of granular 13X zeolite to capture carbon dioxide. We focus on the factors of the inlet like moisture content, CO2 concertration, temperature. The results showed that the best of adsorption capacity was obtained under 30 °C with 24lpm,15 % CO2 inlet. The working capacity (qw) reached 82.1 mg-CO2/g-13X. The second part desorbed CO2 from sorbents by using temperature programmed desorption process with low pressure condition or not. We operate the experiment under different desorption temperature, desorption time and five-cycles regeneration test to prove it. The results showed that 95% of CO2 was concentrated with Granular 13X under desorption conditions of 180°C in 10 minutes. In this desorption condition, the AI of 13X is 97.8, CO2 removel effferency is 99.1% and without the pressure swing process. Finally, DSI system is better way to capture CO2 in this research , compare with fixed bed and fluidized bed. These three method can capture 3.94、1.3、0.78 kgCO2 per day per kilogram 13X under the same conditions. The results indicate DSI system has feasibility on CO2 capture in a flue gas application.