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Current status and challenges of the ammonia escape inhibition technologies in ammonia-based CO2 capture process
Ningbo Univ, Fac Maritime & Transportat, Ningbo 315211, Zhejiang, Peoples R China.
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2018 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 230, p. 734-749Article in journal (Refereed) Published
Abstract [en]

CO2 capture using ammonia solvent is an alternative to the conventional amine-based CO2 capture technology. While ammonia escape is one of the main barrier limiting its implementation. The present work reviews the current status of ammonia escape mechanisms and its inhibition technologies. The chemistry of ammonia-based absorption and desorption are analyzed, and the mass transfer of the ammonia escape are presented and discussed. Most suppression approaches for ammonia slip are in lab- and bench-scale studies. The representative development of the pilot-scale tests involves NH3 abatement and recycling process and chilled ammonia process (CAP). Some other novel processes have been reported the potential to reduce ammonia slip significantly and relatively lower energy penalty, but some technical issues including the process modification and parameters optimization should be resolved to secure economic feasibility. Integration of different ammonia inhibition approaches is suggested for the future development of ammonia slip suppression process. 

Place, publisher, year, edition, pages
Elsevier Ltd , 2018. Vol. 230, p. 734-749
Keywords [en]
Additives, Ammonia escape, Ammonia solvent, Chilled ammonia process, CO2 capture, Mechanism, Carbon dioxide, Chemical analysis, Mass transfer, Mechanisms, Absorption and desorptions, Ammonia inhibition, Chilled ammonias, Economic feasibilities, Parameters optimization, Process modifications, Recycling process, Ammonia, absorption, additive, carbon sequestration, desorption, inhibition, optimization, parameter estimation, recycling, solvent, testing method
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-236588DOI: 10.1016/j.apenergy.2018.08.116ISI: 000448226600054Scopus ID: 2-s2.0-85052975182OAI: oai:DiVA.org:kth-236588DiVA, id: diva2:1265809
Note

Export Date: 22 October 2018; Review; CODEN: APEND; Correspondence Address: Yuan, J.; Faculty of Maritime and Transportation, Ningbo UniversityChina; email: yuanjinliang@nbu.edu.cn; Funding details: CSC, China Scholarship Council; Funding details: 2016YFE0102400; Funding details: Ningbo University; Funding details: 51706112, NSFC, National Natural Science Foundation of China; Funding details: 51506149, NSFC, National Natural Science Foundation of China; Funding text: This work was supported by National Natural Science Foundation of China (Grant No. 51706112 and 51506149 ) and National Key Research and Development Program of China (Grant No. 2016YFE0102400 ). The author also thank for K.C. Wong Magna Fund in Ningbo University. One of the authors, Fu Wang, acknowledges the financial support from China Scholarship Council (CSC). QC 20181126

Available from: 2018-11-26 Created: 2018-11-26 Last updated: 2019-05-24Bibliographically approved

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