Masu bincike a Jami'ar Chung-Ang da ke Koriya ta Kudu sun fito da ra'ayin amfani da carbon dioxide na masana'antu da dolomite, wani dutse mai cike da sinadarin calcium da magnesium, don samar da kayayyaki guda biyu masu amfani da kasuwanci: calcium formate da magnesium oxide.
A cikin wata takarda da aka buga a cikin Mujallar Injiniyan Sinadarai, masana kimiyya sun bayyana cewa fasahar kamawa da amfani da carbon (CCU) ta dogara ne akan wani tsari wanda ke haɗa halayen hydrogenation na carbon dioxide da halayen musayar cation don tsarkake ƙarfe oxides a lokaci guda da kuma samar da tsari mai daraja da ƙima.
Musamman ma, sun yi amfani da wani abu mai kara kuzari (Ru/bpyTN-30-CTF) don ƙara hydrogen zuwa carbon dioxide, suna samar da kayayyaki guda biyu masu ƙara daraja. Tanning fata kuma yana amfani da sinadarin calcium, ƙarin siminti, deicers da ƙarin abincin dabbobi. A gefe guda kuma, ana amfani da sinadarin magnesium oxide sosai a masana'antar gine-gine da magunguna.
Manyan masu bincike Seongho Yoo da Chul-Jin Lee sun ce wannan tsari ba wai kawai zai yiwu ba ne, har ma yana da sauri sosai, yana samar da samfurin cikin mintuna biyar kacal a zafin ɗaki. Bugu da ƙari, ƙungiyarsa ta kiyasta cewa wannan tsari zai iya rage yuwuwar ɗumamar yanayi da kashi 20% idan aka kwatanta da hanyoyin gargajiya na samar da sinadarin calcium.
Tawagar ta kuma tantance ko hanyar da suke bi za ta iya maye gurbin hanyoyin samar da kayayyaki da ake da su ta hanyar duba tasirinsu ga muhalli da kuma dorewar tattalin arziki.
"Bisa ga sakamakon da aka samu, 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 Yun.
Masanin ya lura cewa duk da cewa canza carbon dioxide zuwa samfura masu amfani yana da kyau, waɗannan hanyoyin ba koyaushe suke da sauƙin girma ba. Yawancin fasahar CCU ba a tallata su ba tukuna saboda yuwuwar tattalin arzikinsu yana da ƙasa idan aka kwatanta da manyan hanyoyin kasuwanci.
"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 Lee.