
Domin inganta amfani da Carbon da aka kunna cikin tattalin arziki a cikin hanyoyin dawo da zinare , ya kamata a mai da hankali kan wanke acid yadda ya kamata da kuma sake farfadowa mai inganci.
Manufar sake farfaɗo da yanayin zafi kawai ita ce a cire abubuwan da ke cikin sinadarai da ke ɗauke da carbon, don haka dole ne a sarrafa zafin jiki don guje wa ƙonewa da yawa.
A cikin tsarin sake kunna zafi, Carbon da aka kunna yana ratsa wurare da dama na zafin jiki a cikin tanderun sake kunnawa, inda ake ci gaba da dumama shi zuwa yanayin zafi mai girma har zuwa 1,000 ℃.
A lokacin wannan ƙaruwar zafin jiki mai sarrafawa, abubuwan da carbon ɗin da aka kunna ya shanye suna fara rabuwa daga saman ciki (sharewar da ke cikinsa). Sannan carbon ɗin da aka kunna yanzu ana sake kunna shi ta tururi. Wannan yana dawo da kuma, idan ya cancanta, yana faɗaɗa tsarin ramuka na ciki, kuma ana iya sake amfani da kayan da aka sake kunnawa.
Ana cire sinadaran da ke shiga cikin yanayin iskar gas a lokacin wannan tsarin sake kunnawa a cikin injin ƙonawa a zafin jiki har zuwa 1,200 ℃ . Ana yin amfani da iskar gas mai guba da ke fitowa bayan an yi mata magani da kyau don tabbatar da cewa dukkan tsarin sake kunnawa ya bi ƙa'idodin muhalli na yanzu.
A lokuta da yawa, ana iya sake kunna carbon da aka ɗora ko aka goge ta hanyar amfani da yanayin zafi kamar yadda aka saba yi a farkon aikin kunnawa. Sannan ana iya sake amfani da carbon da aka kunna. Saboda haka, sake kunnawa madadin zubar da shi ne mai kyau ga muhalli kuma mai araha.
Ana amfani da nau'ikan kayan aiki daban-daban don sake kunna carbon da aka kunna, kamar:
Kilns masu juyawa , kilns masu matakai da yawa , kilns masu ruwa-ruwa
A lokacin sake kunnawa, carbon da aka kunna yana bin waɗannan matakan tsari:
1. bushewa har zuwa 100 ℃
2. Gujewa da kuma rage gurɓatattun abubuwa daga 100 zuwa 700 ℃
3. sake kunna carbon da aka kunna sama da digiri 700 (haɗarin ruwa da iskar gas)
C + H 2O → CO + H ₂
Tsarin sarrafa tsari, wanda aka daidaita shi da buƙatun da nau'ikan carbon da aka kunna daban-daban, yana tabbatar da ingancin kayan da aka sake kunna su. A matsayinka na doka, ana iya dawo da ƙarfin sha na asali na carbon da aka kunna.
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