Thermodynamic and economic assessment of cyano functionalized anion based ionic liquid for CO2 removal from natural gas integrated with, single mixed refrigerant liquefaction process for clean energy

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Fältnamn	Indikatorer	Metadata
000		04320naa a2200469 4500
001		oai:DiVA.org:kau-88999
003		SwePub
008		220304s2022 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-889992 URI
024	7	a https://doi.org/10.1016/j.energy.2021.1224252 DOI
040		a (SwePub)kau
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Kazmi, Bilalu Univ Karachi, PAK4 aut
245	1 0	a Thermodynamic and economic assessment of cyano functionalized anion based ionic liquid for CO2 removal from natural gas integrated with, single mixed refrigerant liquefaction process for clean energy
264	1	b Pergamon Press,c 2022
338		a print2 rdacarrier
520		a The study proposes a novel integrated process in which ionic liquid is utilized to control carbon dioxide (CO2) emissions from the natural gas combined with a single mixed refrigerant-based liquefaction process to assist safe transportation over long distances providing a sustainable and cleaner energy. Commercially amines are utilized for CO2 sequestration, but amines entail energy-intensive regeneration with elevated process costs. The present study offers a solvent screening mechanism based on important parameters such as heat of dissolution, viscosity, selectivity, working capacity, vapor pressure, corrosivity, and toxicity. The selected solvents' performance is computed by sensitivity analysis suggesting imidazolium-based cation 1-hexyl-3-methylimidazolium[Hmim] functionalized with tricyanomethanide(tcm) as anion a potential natural gas sweetening solvent in comparison with commercially used solvent monoethanoloamine(MEA), conventional ILs 1-butyl-3-methylimidazolium hexa-fluorophosphate [Bmim][Pf(6)] and 1-butyl-3-methylimidazolium methyl sulfate [Bmim][MeSO4]. The obtained sweet gas is liquefied using a single mixed refrigerant-based process providing 0.99 mol fraction of liquefied CH4 with less overall specific compression power requirement of 0.41 kW/kg of natural gas. Moreover, an exergy analysis demonstrates that the [Hmim][tcm] based process has lower total exergy destruction of 7.49 x 10(3) kW and is found to utilize less overall specific energy consumption 0.49 kWh/kg of NG in contrast to other studied solvents. Furthermore, a detailed economic analysis establishes [Hmim][tcm]-based CO2 integrated with liquefaction technology offers 50.7%, 74.4%, and 85.8% of total annualized cost (TAC) savings compared with the MEA-amim][Pf(6)]-, and [Bmim][MeSO4], respectively. Hence, [Hmim][tcm] for CO2 removal and integration with liquefaction process will incur unit cost based on the total annualized cost to be $2.2 x 10(4)/kmol of purified NG.
650	7	a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Energiteknik0 (SwePub)203042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Energy Engineering0 (SwePub)203042 hsv//eng
653		a Natural gas
653		a CO2 removal
653		a Ionic liquid
653		a Tricyanomethanide
653		a Single mixed refrigerant liquefaction
653		a Clean energy
653		a Energiteknik
653		a Energy Technology
700	1	a Haider, Junaidu UNIST \| Ulsan National Institute of Science and Technology, KOR4 aut
700	1	a Taqvi, Syed Ali Ammaru NED University Of Engineering & Technology, PAK4 aut
700	1	a Qyyum, Muhammad Abdulu Sultan Qaboos University, OMN4 aut
700	1	a Ali, Syed Imranu University Karachi, PAK4 aut
700	1	a Awan, Zahoor Ul Hussainu NED University Of Engineering & Technology, PAK4 aut
700	1	a Lim, Hankwonu UNIST \| Ulsan National Institute of Science and Technology, KOR4 aut
700	1	a Naqvi, Muhammad,d 1983-u Karlstads universitet,Institutionen för ingenjörs- och kemivetenskaper (from 2013)4 aut0 (Swepub:kau)razanaqv
700	1	a Naqvi, Salman Razau National University of Sciences & Technology, PAK4 aut
710	2	a Univ Karachi, PAKb UNIST \| Ulsan National Institute of Science and Technology, KOR4 org
773	0	t Energyd : Pergamon Pressg 239q 239x 0360-5442x 1873-6785
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-88999
856	4 8	u https://doi.org/10.1016/j.energy.2021.122425

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