期刊
ENERGY & FUELS
卷 33, 期 3, 页码 1774-1784出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.8b02837
关键词
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资金
- National Key R&D Program of China [2018YFB0605700]
- Provincial Key R&D Program of Shanxi [201603D31212003]
- outstanding young scholar fund of Sichuan University [2015SCU04A10]
Post-combustion CO2 capture using amine-functionalized solid adsorbents has been extensively investigated during the past 2 decades; however, the preparation of industrial adsorbents still underlies some key issues, and the energy consumption and economy of this process are not clear. Herein, we investigated the preparation of industrial M-MCM-T adsorbents via the conventional extrusion method, emphasizing the mechanical properties and CO2 capture performance of the adsorbents. The 40M-MCM-SST adsorbent, with 40% montmorillonite as a binder and 55% tetraethylenepentamine, exhibited the maximum CO2 adsorption capacity of 101.6 mg g(-1) at 75 degrees C and a high mechanical strength of 112.2 N cm(-1). On the basis of the experimental results, the temperature vacuum swing (TVS) process with a capacity of 300 t/a CO, was designed to estimate the cost and energy requirements of this process; it revealed a cost of $29.68/t(CO2) and an energy consumption of about 4.20 GJ/t(CO2). The results suggest the superiority and potential of using amine-functionalized solid adsorbents in the TVS process for CO2 capture from flue gas in industry.
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