He thuziak hi Science X-in editorial kalphung leh policy a siam angin kan thlirlet a ni. Editor-te chuan thupui dik tak a nih theih nan a hnuaia miziate hi an ngaih pawimawh hle a ni:
Climate change hi thil pawi tak a ni a, khawvel pum huapa ngaih pawimawh a ngai a ni. Khawvel ram hrang hrangte chuan khawvel lum leh khaw vawt inthlak danglamnain nghawng a neihte tihziaawmna tur policy an siam mek a ni. Entirnan, European Union chuan kum 2050-a climate neutrality neih theihna turin kaihhruaina kimchang tak a rawt a, chutiang bawkin European Green Deal chuan greenhouse gas emission tihtlem chu a dah pawimawh ber a ni.
Emitted carbon dioxide (CO2) man a, chemical hmanga sumdawnna atana hmanraw tangkai takah chantir hi khawvel lum zel tihtlem leh a nghawng tihziaawmna kawng khat a ni. Tunah hian scientist-te chuan carbon capture and utilization (CCU) technology chu carbon dioxide dahkhawmna leh processing man tlawm zawka tihpun theihna kawng beisei awm tak a nih thu an zirchiang mek a ni.
Mahse, khawvel puma CCU zirchianna hi a tam zawk chu transforming compound 20 vel chauh a ni. CO2 emission source hrang hrangte ngaihtuah chuan compound hrang hrang awm theihna hi a pawimawh hle a, hei hian CO2 concentration hniam takah pawh a thlak danglam thei tur process chungchang zirchianna thuk zawk a mamawh dawn a ni.
Korea-a Chung-Ang University-a zirchiangtu team chuan CCU kalphung, bawlhhlawh emaw, thilsiam hausa tak tak emaw chu raw material atana hman, sum leh pai lama a hlawhtlin theih nan zirchianna an nei mek a ni.
Tun hnai khan Professor Sungho Yoon leh Associate Professor Chul-Jin Lee kaihhruai research team chuan industrial carbon dioxide leh dolomite, calcium leh magnesium tamna sedimentary rock common leh common tak, sumdawnna atana hman theih thil pahnih: calcium formate siam chhuah dan tur chungchang zirchianna an tichhuak a. leh magnesium oxide te a awm bawk.
“Carbon dioxide hmanga thil hlu tak tak siam chhuah duhna a sang chho zel a, chutih rualin sum leh pai lama hlawkna a thlen thei a ni. Carbon dioxide hydrogenation reaction leh cation exchange reaction te inzawmkhawmin metal oxide te chu a ruala tihthianghlim dan tur leh format hlu tak siam chhuah theihna tur process kan siam chhuak ta a ni,” tiin Professor Yin chuan a comment.
An zirchiannaah hian scientist-te hian catalyst (Ru/bpyTN-30-CTF) hmangin carbon dioxide-ah hydrogen an dah a, chu chuan value-added product pahnih: calcium formate leh magnesium oxide an siam chhuak a ni. Cement additive, deicer, leh ran chaw additive, calcium formate hi savun vun siamnaah pawh hman a ni bawk.
Chumi danglamna chu magnesium oxide hi in sakna leh damdawi siamnaah hman a ni nasa hle. Hetiang kalphung hi a tih theih mai bakah a rang hle a, room temperature-ah minute 5 chhung chauhvin product chu a siam chhuak thei a ni. Hei bakah hian zirchiangtute chuan he thil tih hian khawvel lumna thlen theihna chu 20%-in a tihhniam thei niin an chhut a, chu chu calcium formate siam dan hlui nen khaikhin chuan a ni.
Team hian an method hian environment-a nghawng a neih dan leh economic viability te zirchiangin thil siam chhuah dan awmsa chu a thlak thei em tih an zirchiang mek bawk. “Results a\ang hian kan method hi carbon dioxide conversion ai chuan environment friendly alternative a ni tih kan sawi thei a, chu chuan traditional methods a thlak thei a, industrial carbon dioxide emission tihtlem nan a pui thei bawk,” tiin Professor Yin chuan a sawifiah.
Carbon dioxide chu thil \angkai takah chantir chu beisei awm tak angin a lang a, mahse heng thil kalphungte hi scale-a siam a awlsam ngai lo. CCU technology tam zawk hi sumdawnna kalphung pangngai nena khaikhin chuan an economic feasibility a hniam avangin sumdawnna atana hman a la ni lo. “CCU process hi bawlhhlawh recycling nen kan inzawmkhawm a ngai a, chu chuan environment leh economic lamah pawh a hlawk thei ang. Hei hian nakin lawkah net-zero emissions target tihhlawhtlinna kawngah a pui thei a ni,” tiin Dr Lee chuan a sawi chhunzawm.
Thu belhchian dawl zawk: Hayoung Yoon leh a thawhpuiten, Dolomite-a Magnesium leh Calcium Ion Dynamics te chu CO2 hmanga Value-Added Product tangkai takah chantir, Journal of Chemical Engineering (2023). DOI: 10.1016/j.cej.2023.143684 ah a tarlang bawk
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