Masu bincike a Jami'ar Chung-Ang da ke Koriya ta Kudu suna nazarin hanyoyin kamawa da amfani da iskar carbon ta hanyar amfani da sharar gida ko albarkatun ƙasa masu yawa a matsayin abincin dabbobi. Wannan yana tabbatar da dorewar tattalin arzikin fasahar.
A cikin sabon binciken, wata ƙungiya ƙarƙashin jagorancin Farfesa Sungho Yoon da Mataimakin Farfesa Chul-Jin Lee sun binciki amfani da carbon dioxide na masana'antu da dolomite don samar da samfura biyu masu amfani da kasuwanci: calcium formate da magnesium oxide.
An buga binciken, "Maida ions na magnesium da calcium masu ƙarfi daga dolomite zuwa samfuran da aka ƙara amfani da su ta amfani da carbon dioxide," a cikin Mujallar Injiniyan Sinadarai.
Sauyin yanayi batu ne mai matuƙar muhimmanci wanda ya kamata a ba shi fifiko. Sakamakon haka, ƙasashe a faɗin duniya suna tsara manufofi don rage tasirinsa.
Misali, Tarayyar Turai ta gabatar da cikakken tsari na jagororin cimma daidaito a yanayi nan da shekarar 2050. Yarjejeniyar Kore ta Turai ta kuma jaddada muhimmancin rage fitar da hayakin da ke gurbata muhalli.
Sakamakon haka, masana kimiyya suna binciken fasahar kama carbon da amfani da shi a matsayin hanyoyin da za a iya ƙara yawan ajiyar CO2 da kuma canza shi a farashi mai rahusa.
Duk da haka, binciken duniya kan kamawa da amfani da carbon ya takaita ne ga kusan mahaɗan juyawa guda 20.
Ganin bambancin hanyoyin fitar da hayakin CO2, samun nau'ikan mahadi masu yawa yana da matukar muhimmanci.
Wannan yana nuna muhimmancin yin nazari mai zurfi kan hanyoyin canza yanayin carbon dioxide mai ƙarancin maida hankali.
A cikin sabon binciken, ƙungiyar ta yi amfani da wani abu mai kara kuzari (Ru/bpyTN-30-CTF) don ƙara hydrogen zuwa carbon dioxide. Sakamakon ya kasance samfuran da aka ƙara ƙima guda biyu: calcium formate da magnesium oxide.
Ana amfani da sinadarin calcium formate a matsayin abin da ake ƙarawa a siminti, abin cire sinadarai, da kuma abin da ake ƙarawa a abincin dabbobi, da kuma wasu abubuwa kamar yin fatar jiki.
Tsarin da ƙungiyar ta ƙirƙiro ba wai kawai zai yiwu ba, har ma da sauri, yana samar da samfurin cikin mintuna biyar kacal a zafin ɗaki.
Daga cikin wasu abubuwa, masu binciken sun kiyasta cewa wannan tsari zai iya rage yiwuwar dumamar yanayi da kashi 20% idan aka kwatanta da hanyoyin gargajiya na samar da sinadarin calcium.
"Akwai karuwar sha'awar amfani da iskar carbon dioxide don samar da kayayyaki masu mahimmanci waɗanda zasu iya taimakawa rage tasirin sauyin yanayi yayin da suke samar da fa'idodi na tattalin arziki."
Farfesa Yoon ya ce: "Ta hanyar haɗa halayen hydrogenation na carbon dioxide da halayen musayar cation, an ƙirƙiri wani tsari don tsarkake oxides na ƙarfe tare da samar da tsari mai mahimmanci."
Masu binciken sun tantance ko hanyarsu za ta iya maye gurbin hanyoyin samar da kayayyaki na yanzu. Don yin wannan, sun yi nazarin tasirin muhalli da kuma dorewar tattalin arziki na hanyoyin canza CO2 mai dorewa.
"Bisa ga sakamakon, za mu iya cewa hanyarmu madadin canza carbon dioxide ne mai kyau ga muhalli wanda zai iya maye gurbin hanyoyin gargajiya da kuma taimakawa wajen rage fitar da carbon dioxide daga masana'antu," in ji Farfesa Yin.
Duk da cewa akwai kyakkyawan fata na canza carbon dioxide zuwa samfura masu dorewa, waɗannan hanyoyin ba koyaushe suke da sauƙin girma ba.
Yawancin fasahar CCU ba a fara amfani da su a kasuwa ba tukuna saboda yuwuwar tattalin arzikinsu ba ta da yawa idan aka kwatanta da hanyoyin kasuwanci na gargajiya.
"Muna buƙatar haɗa tsarin CCU da sake amfani da sharar gida don sanya shi ya zama mai amfani ga muhalli da tattalin arziki. Wannan zai iya taimakawa wajen cimma burin fitar da hayaki mai gurbata muhalli a nan gaba," in ji Dr. Lee a ƙarshe.
Cibiyar Labarai ta Innovation tana kawo muku sabbin labarai kan bincike da kirkire-kirkire a fannin kimiyya, muhalli, makamashi, muhimman kayan aiki, fasaha da motocin lantarki.
Bayanin Hana Amfani: Wannan gidan yanar gizon yana da shafin yanar gizo mai zaman kansa kuma ba shi da alhakin abubuwan da ke cikin gidajen yanar gizo na waje. Lura cewa ana iya yin rikodin kiran waya don dalilai na horo da sa ido. © Pan Europe Networks Ltd.