Brazil ita ce kasa mafi girma a duniya da ke samar da niobium kuma tana da kusan kashi 98 cikin 100 na abubuwan da ke aiki a duniya. Ana amfani da wannan sinadari ne a cikin alluran ƙarfe, musamman ƙarfe mai ƙarfi, kuma a cikin nau'ikan aikace-aikacen zamani marasa iyaka kusan marasa iyaka daga wayar salula zuwa injin jirgin sama. Brazil tana fitar da mafi yawan niobium da take samarwa a matsayin kayayyaki kamar ferroniobium.
Wani abu kuma Brazil ma yana da a copous yawa amma underuses ne glycerol, a byproduct na mai da kitsen saponification a cikin sabulu da wanka masana'antu, da kuma transesterification halayen a cikin biodiesel masana'antu. A wannan yanayin yanayin ya fi muni saboda glycerol sau da yawa ana watsar da shi azaman sharar gida, kuma zubar da manyan kundin yana da rikitarwa.
Wani bincike da aka yi a Jami’ar Tarayya ta ABC (UFABC) a Jihar São Paulo, Brazil, ya haɗu da niobium da glycerol a cikin wani kyakkyawan tsarin fasaha na samar da ƙwayoyin mai. Wani labarin da ke kwatanta binciken, mai suna "Niobium yana haɓaka aikin Pd electrocatalytic a cikin ƙwayoyin man fetur na alkaline kai tsaye glycerol," an buga shi a ChemElectroChem kuma an nuna shi a kan murfin mujallar.
“A bisa ka’ida, tantanin halitta zai yi aiki kamar batir mai glycerol don yin cajin ƙananan na’urorin lantarki kamar wayoyin hannu ko kwamfutar tafi-da-gidanka. Ana iya amfani da shi a wuraren da wutar lantarki ba ta rufe ba. Daga baya ana iya daidaita fasahar don sarrafa motocin lantarki da ma samar da wutar lantarki ga gidaje. Akwai yuwuwar aikace-aikace marasa iyaka a cikin dogon lokaci, ”in ji Felipe de Moura Souza, marubucin farko na labarin. Souza yana da digirin digiri na kai tsaye daga Sao Paulo Research Foundation-FAPESP.
A cikin tantanin halitta, makamashin sinadarai daga glycerol oxidation reaction a cikin anode da rage iskar oxygen a cikin cathode an canza shi zuwa wutar lantarki, yana barin iskar carbon da ruwa kawai a matsayin ragowar. Cikakken amsa shine C3H8O3 (ruwa glycerol) + 7/2 O2 (gas oxygen) → 3 CO2 (gas na carbon) + 4 H2O (ruwa ruwa). Ana nuna alamar tsari na tsari a ƙasa.
"Niobium [Nb] yana shiga cikin tsarin a matsayin mai haɓakawa, yana taimakawa aikin palladium [Pd] da aka yi amfani da shi azaman anode na man fetur. Ƙarin niobium yana ba da damar adadin palladium ya zama rabi, yana rage farashin tantanin halitta. A lokaci guda yana ƙara ƙarfin ƙarfin tantanin halitta. Amma babban gudunmawarsa ita ce raguwar gubar electrolytic na palladium wanda ke haifar da oxidation na tsaka-tsakin da ke da karfi a cikin aiki na dogon lokaci na tantanin halitta, kamar carbon monoxide, "in ji Mauro Coelho dos Santos, farfesa a UFABC , mai ba da shawara ga karatun digiri na digiri na kai tsaye na Souza, kuma babban mai bincike don binciken.
Daga mahallin mahalli, wanda fiye da kowane lokaci ya kamata ya zama ƙayyadaddun ma'auni don zaɓin fasaha, ana ɗaukar tantanin mai na glycerol a matsayin mafita mai kyau saboda yana iya maye gurbin injunan konewa da ke amfani da makamashin burbushin.
Lokacin aikawa: Dec-30-2019