#GreenFertilizer #SustainableAgriculture #ClimateChangeMitigation #RenewableEnergy #NitrousOxideEmissions
Lapho bebhekene nokukhathazeka okukhulayo ngokushintsha kwesimo sezulu kanye nomthelela wako kwezolimo, abacwaningi base-Iowa State University kanye ne-Wichita State University baqala iphrojekthi eyinhloko okuhloswe ngayo ukuguqula ukukhiqizwa kukamanyolo. Lolu hlelo luhlose ukubhekana nezinselelo ezimbili ezibalulekile ngesikhathi esisodwa: ukunciphisa ukukhishwa kwesisi esibamba ukushisa kanye nokudala isisombululo esimeme sokukhiqizwa kukamanyolo onothile ngezakhi.
Ukuthuthukiswa Kohlelo Lokuvundisa Okuhlaza
Umzamo wokubambisana phakathi kwe-Iowa State University kanye ne-Wichita State University igxile ekuthuthukisweni kwesistimu ebukhali ebamba imfucumfucu ye-nitrogen ne-carbon dioxide ukuze kukhiqizwe umanyolo oyingqayizivele "we-urea eluhlaza". Isisusa salolu hlelo sisemandleni aso okunciphisa kakhulu ukukhishwa kwe-nitrous oxide (N2O) - igesi ebamba ukushisa enamandla izikhathi ezingu-300 kune-carbon dioxide (CO2).
Emgogodleni wayo, iphrojekthi ifuna ukuklama izinto zokwakha, izinqubo, kanye nama-reactor ukuze kuthathwe i-electrochemical futhi kuguqulwe udoti we-nitrogen ne-carbon dioxide. Ngokusebenzisa lezi zinsiza ezibanjiwe, abacwaningi bahlose ukuhlanganisa umanyolo oqhubekayo we-urea ogcina isithembiso sokunciphisa ukukhishwa kwegesi ebamba ukushisa.
Imiphumela ye-Green Fertilizer Revolution
Impembelelo yemvelo
Ukuthuthukiswa kwalolu hlelo lukamanyolo oluhlaza kunomthelela omkhulu emvelweni. Ukwehliswa kokukhishwa kwe-nitrous oxide, okuwumphumela wokusetshenziswa kukamanyolo wendabuko, kuzodlala indima ebalulekile ekunqandeni igalelo lomkhakha wezolimo ekuguqukeni kwesimo sezulu. Ngokuthatha imfucumfucu ye-nitrogen ne-carbon dioxide, bese iguqulwa ibe umanyolo osebenzisekayo, iphrojekthi ibhekana nezinselelo ezimbili zemvelo ngesikhathi esisodwa - ukuncishiswa kwemfucuza kanye nokulawulwa kwegesi ebamba ukushisa.
Ukusimama Kwezomnotho Kwezolimo
Ngaphandle kwezinzuzo zayo zemvelo, iphrojekthi iphinde igxile ekuqiniseni ukuqina kwezomnotho kwezolimo eMidwest. Njengesifunda esithembele kakhulu ekulimeni nasekufuyeni, iMidwest isengozini kakhulu emiphumeleni yokushintsha kwesimo sezulu. Ngokuhlinzeka ngesixazululo esimeme nesisha njengomanyolo we-urea eluhlaza, abacwaningi bahlose ukuvikela ukusebenza kwesikhathi eside kwezinqubo zezolimo lapho bebhekene nezinsongo zesimo sezulu.
Ukuhlanganiswa Kwamandla Avuselelekayo
Ingxenye ebalulekile yokusimama kwephrojekthi ilele ekuhlanganisweni kwayo kwemithombo yamandla avuselelekayo. Abacwaningi bahlela ukusebenzisa amandla omoya namandla elanga ukuze banikeze amandla ukuhlanganiswa kwe-electrochemical kamanyolo oluhlaza. Lokhu akunciphisi nje indawo ezungezile yenqubo yokukhiqiza umanyolo kodwa futhi kuhambisana namandla aseMidwest okukhiqiza amandla amaningi avuselelekayo.
Isiphetho
Ukusebenzisana phakathi kwe-Iowa State University kanye ne-Wichita State University kuyisibonelo sendlela yokubhekana nezinselele ezicindezelayo zezolimo zesimanje kanye nokushintsha kwesimo sezulu. Ngokucabanga kabusha indlela umanyolo okhiqizwa ngayo, amaqembu abacwaningi akulungele ukunciphisa kakhulu ukukhishwa kwesisi esingcolisa umoya, ukuthuthukisa ukusimama komnotho emiphakathini yabalimi, kanye nokugqugquzela izinqubo zezolimo ezisimeme. Lo mzamo awuhlosile kuphela ukuguqula izinhlelo zikamanyolo kodwa futhi usebenza njengobufakazi bamandla ezisombululo eziqhutshwa ucwaningo ekwehliseni umthelela wokuguquka kwesimo sezulu.