Hot potassium carbonate
Hot potassium carbonate, HPC, is a method used to remove carbon dioxide from gas mixtures,[1] in some contexts referred to as carbon scrubbing. The inorganic, basic compound potassium carbonate is mixed with a gas mixture and the liquid absorbs carbon dioxide through chemical processes.[2] The technology is a form of chemical absorption,[3] and was developed for natural gas sweetening (i.e., removal of acidic from raw natural gas). Currently it is also considered, among others, as a post-combustion capture process, in the contexts of carbon capture and storage and carbon capture and utilization. As a post-combustion CO2 capture process, the technology is planned to be used on full scale on a heat plant in Stockholm from 2025.[4]
References
[edit]- ^ Rahimpour, M.R.; Kashkooli, A.Z. (July 2004). "Enhanced carbon dioxide removal by promoted hot potassium carbonate in a split-flow absorber". Chemical Engineering and Processing: Process Intensification. 43 (7): 857–865. doi:10.1016/S0255-2701(03)00106-5.
- ^ Mumford, Kathryn A.; Smith, Kathryn H.; Anderson, Clare J.; Shen, Shufeng; Tao, Wendy; Suryaputradinata, Yohanes A.; Qader, Abdul; Hooper, Barry; Innocenzi, Renato A.; Kentish, Sandra E.; Stevens, Geoffrey W. (19 January 2012). "Post-combustion Capture of CO2: Results from the Solvent Absorption Capture Plant at Hazelwood Power Station Using Potassium Carbonate Solvent". Energy & Fuels. 26 (1): 138–146. doi:10.1021/ef201192n – via ACS Publications.
- ^ Reay, David; Ramshaw, Colin; Harvey, Adam (2013). "Chapter 8 - Application Areas – Petrochemicals and Fine Chemicals". Process Intensification: Engineering for Efficiency, Sustainability and Flexibility (2 ed.). pp. 259–321. doi:10.1016/B978-0-08-098304-2.00008-0. ISBN 9780080983042.
- ^ "Teknik för att fånga in koldioxid testas i Stockholm". Dagens industri. 29 April 2019.
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