Carbon capture and storage(CCS)is a feasible strategy to mitigate the increasing carbon dioxide(CO2)emission,which is believed to be responsible for ocean acidification and global warming.Simultaneously,the separation...Carbon capture and storage(CCS)is a feasible strategy to mitigate the increasing carbon dioxide(CO2)emission,which is believed to be responsible for ocean acidification and global warming.Simultaneously,the separation of CO2 from natural gas is also of critical importance in industry,because CO2 as the major impurity significantly reduces the conversion rate and energy content of natural gas[1].Currently,the main-stream technology for largescale capture and sorption of CO2 from industrial streams is amine-based wet scrubbing because the amine-based solutions have large CO2 capacity and high selectivity for acidic gases.However,a major drawback of their high heat capacity makes the regeneration very energy intensive and costly.To address the issue,solid porous adsorbents have emerged as the promising alternative owing to their much lower heat capacity.展开更多
基金supported by the National Natural Science Foundation of China (51672289, 21725101, 21673213 and 21521001)the Aided Program for Science and Technology Innovative Research Team of Ningbo Municipality (2014B81004)+2 种基金Natural Science Funding of Zhejiang Province (LY15E020008)the National Program on Key Basic Research Project of China (973 Program) (2014CB931803)Youth Innovation Promotion of CAS (2016272)
文摘Carbon capture and storage(CCS)is a feasible strategy to mitigate the increasing carbon dioxide(CO2)emission,which is believed to be responsible for ocean acidification and global warming.Simultaneously,the separation of CO2 from natural gas is also of critical importance in industry,because CO2 as the major impurity significantly reduces the conversion rate and energy content of natural gas[1].Currently,the main-stream technology for largescale capture and sorption of CO2 from industrial streams is amine-based wet scrubbing because the amine-based solutions have large CO2 capacity and high selectivity for acidic gases.However,a major drawback of their high heat capacity makes the regeneration very energy intensive and costly.To address the issue,solid porous adsorbents have emerged as the promising alternative owing to their much lower heat capacity.