#CO2 #isamente #iGreenconcrete #Uzinzo #ICarbonNeutral
Isamente eKhabhoni ephantsi: Inqanaba elikhulu elilandelayo kulwakhiwo oluzinzileyo
I-Carbon Cement ephantsi
Nangona isamente enekhabhoni ephantsi iguqula iziseko zophuhliso zanamhlanje, imveliso yesamente yendabuko isaqhubeka nokuba negalelo elikhulu kwiCO2 yehlabathi2 izinto ezikhutshwayo – zibalelwa kwi-8% ye-CO yehlabathi2 izinto ezikhutshwayo. Oku kubangelwa ikakhulu kwinkqubo yokubala, apho ikalika (CaCO3) ishushu ukuvelisa i-clinker, ikhupha i-CO2 njengemveliso. Amanani ayothusa: ngetoni nganye yesamente eveliswayo, malunga ne-0.9 yeetoni zeCO2 zikhutshiwe.
Nangona kunjalo, kulapho ifumana umdla khona – imveliso yesamente ikwangomnye wamashishini ambalwa anamandla okubambisa ngokusisigxina iCO.2. Ngokutofa iCO2 Xa ikwikhonkrithi entsha, igesi idibana neekhompawundi zecalcium ukuze yenze iikhabhonati ezizinzileyo ezihlala zivaleleke kuloo nto kangangeenkulungwane.
Ngokutsho kophando olwenziwe yiGlobal Carbon Capture and Storage Institute, le ndlela ayinciphisi nje kuphela ukukhutshwa komoya kodwa ikwaphucula nokuqina kwekhonkrithi. Njengoko amashishini eqhubela phambili ekufezekiseni iinjongo ezingenayo i-zero, esebenzisa i-CO22 njengento ekrwada yokwakha inokuguqula isamente isuke kwi-emitter enkulu ibe sisinki yekhabhoni enenzuzo.
Ngokunyuka koxinzelelo lwe-decarbonize, ezinye izinto kunye nemithombo yamandla yenza inkqubela phambili. Nangona kunjalo, ezi nzame zizodwa aziyi kwanela. Ukuguqula ngokwenene imveliso yesamente, CO2 amaphulo okubuyisela kwakhona kufuneka asebenze ngokuhambelana nala manyathelo, abambe izinto ezikhutshwayo ngaphambi kokuba zifike kwi-atmosfera kwaye ziphinde ziphinde zenziwe ngezicelo ezizinzileyo.
Ungxamiseko lokwenza into alukaze lube lukhulu kunangaphambili. Imigaqo-nkqubo yotshintsho lwemozulu, iindlela zokubeka amaxabiso ekhabhoni, kunye nezibophelelo zozinzo ezivela kwimibutho yehlabathi ziqhuba abavelisi besamente ukuba bacinge ngokutsha ngeenkqubo zabo. Iindlela zemveli, ezixhomekeke kakhulu kumafutha efosili kunye nemveliso yesamente e-clinker ephezulu, zihlala zinegalelo elikhulu ekukhupheni ukungcola.
Ukujongana nalo mceli mngeni kufuna indlela ebanzi—elungelelanisa ubuchule bezinto ezintsha, ukusebenza kakuhle kwamandla, kunye nobuchwepheshe bokubamba ikhabhoni. Nangona kunjalo, ukunciphisa nje ukukhutshwa komoya akwanelanga. Ukuze kubekho impembelelo ehlala ixesha elide, i-CO22 ukubuyisela kwakhona kufuneka kube yinxalenye ebalulekileyo yemveliso yesamente, ukuguqula umngeni wokusingqongileyo ube lithuba lozinzo lwexesha elide.
Ukucinga ngokutsha ngesamente: Yintoni echaza isamente engaphantsi kwekhabhoni?
Isamente ekhabhoni ephantsi ayichazwa bubuchule obunye kodwa kukudibana kophuculo olucwangcisiweyo kulo lonke umjikelo wemveliso. Ezinye izinto ezisetyenzisiweyo ezifana nothuthu oluphumayo, i-slag, udongwe olune-limestone calcined, kunye ne-pozzolans zithatha indawo ye-clinker ekhupha umbane omninzi, nto leyo enciphisa kakhulu umngcipheko wekhabhoni. Ukunyuka kweesamente ezixutyiweyo kunye nee-geopolymers kutshintsha ishishini ngokunciphisa ukuxhomekeka kwizinto ezisebenzisa ikhabhoni ngelixa kugcinwa ukuqina nokusebenza.
Ngaphandle kwezinto ezintsha, i-CO2 Ubuchwepheshe bokuhluthwa kwezinto kunye nobuchwephesha bokwenza izimbiwa ziguqule ukukhutshwa kwezinto ezikhutshwayo zibe zizixhobo, zizifaka ngaphakathi kwikhonkrithi ukuze zomeleze amandla kwaye zihlale ixesha elide. Nangona olu phuculo lubonisa inkqubela phambili, imingeni iyaqhubeka.
Izityalo ezininzi zesamente zisaxhomekeke kwiindlela zemveli zokuvelisa, kwaye ukutshintshela kwezinye iindlela eziluhlaza kufuna utyalo-mali, ukuthotyelwa kwemithetho, kunye nohlengahlengiso lobuchwephesha. Kulapho i-CO2 ikhoyo2 iteknoloji yokubuyisela iba yinto eyimfuneko. Esikhundleni sokulinda ixesha elide lotshintsho kwishishini, abavelisi banokudibanisa i-CO2 iinkqubo zokubuyisela ngoku, ukuvala umsantsa phakathi kwemisebenzi yangoku kunye neenjongo zokuzinza kwixesha elizayo.
Iiteknoloji Ezitshintsha Umdlalo Ezinika Amandla Isamente Ephantsi Yekhabhoni
Ngaphaya kokubanjwa kwekhabhoni, ukufakelwa kombane kuya kusiba nomtsalane njengoko izityalo zesamente ziphonononga ezinye iindlela ezizezinye ezinokubaswa ngamalahle. Ukutshisa okusekwe kwi-Hydrogen nako kuyavavanywa, kunika enye indlela ecocekileyo enempembelelo encinci yokusingqongileyo. Ngeli xesha, ubukrelekrele bokwenziwa kunye neenkqubo zokubeka iliso zedijithali zikhulisa ukusebenza kakuhle kwamafutha kunye nokunciphisa inkunkuma, ziqinisekisa ukuba yonke inkalo yemveliso inegalelo kwikhabhoni esezantsi.
Kutheni i-CO2 UkuBuyisa kwakhona kubalulekile, Akukhethi
Kungenxa yoko le nto i-CO2 ukuchacha ayisongezo nje - yinto eyimfuneko. Ukuthatha i-CO2 ngqo kwii-oven zesamente kuyithintela ukuba ingangeni emoyeni, ngelixa ukucocwa kunye nokunyibilikiswa kolwelo kwenza ukuba isetyenziswe kwakhona kumashishini ahlukeneyo.
Ukwenziwa kweminerali yekhabhoni, evala i-CO22 kwiimveliso zesamente, hayi nje ukuqinisa izinto kodwa kunciphisa ukukhutshwa ngokubanzi. Ngokudibanisa CO2 ukubuyiswa kwakhona, izityalo zesamente zitshintsha ukusuka ekubeni ngabancedisi abangenzi nto kwinguqu yemozulu ukuya kubathathi-nxaxheba abakhutheleyo kuqoqosho lwekhabhoni ejikelezayo, ukuguqula inkunkuma ibe yixabiso.
Oovulindlela kuShishino lwesamente: Ngubani oKhokela iNdlela?
Amaxabiso ekhabhoni, imida yokukhupha ukungcola, kunye neenzuzo zerhafu zobuchwepheshe obuluhlaza zikhuthaza abavelisi besamente ukuba bamkele izisombululo ezizinzileyo. Imithetho eYurophu, eMntla Melika, nakwiindawo zaseAsia iya isiba ngqongqo ngakumbi, iqinisa ingcamango yokuba isamente enekhabhoni ephantsi ayisiyonto nje yokuzinikela kwindalo - yinto ebalulekileyo kwishishini.
Hypro's Indima kwi-Cement Decarbonization
Ngokuphumeza Hyproiteknoloji, abavelisi besamente banokukhupha i-CO2 ecocekileyo kakhulu2 ngokuthe ngqo kwiinkqubo zabo zemveliso ezivula imithombo emitsha yengeniso. Ibanjwe CO2 ingasetyenziselwa ukunyanga icarbonation, ukutya kunye nokufakwa kwesiselo, kunye nokuveliswa kwamafutha okwenziwa. Njengoko uzinzo luba ngumqhubi ophambili wokuthatha izigqibo kwimizi-mveliso, Hypro unikeza kungekuphela nje izixhobo kodwa umbono - ukunceda abavelisi besamente bahlale phambi kwegophe.
HyproUphando oluqhubekayo kunye neenzame zophuhliso zijolise ekwenzeni i-CO2 ukubuyisela kwakhona kusebenza ngakumbi, ukunciphisa ukusetyenziswa kwamandla, kunye nokwandisa uluhlu lwezicelo zekhabhoni efunyenweyo.
obesazeka, Hypro iyaphuhla kwaye kungekudala iza kubonelela ngesisombululo kwinkampani engaphandle kweIndiya, iphawula isiganeko esibalulekileyo ekufikeleleni kwayo kwihlabathi jikelele. Njengoko abavelisi besamente benomdla wokunciphisa izinto ezikhutshwayo, Hypro ibonelela ngezisombululo ezilungelelanisiweyo ezihambelana neenjongo zokusingqongileyo kunye nozinzo lweshishini lexesha elide.
Ngaba ukulungele ukwenza utshintsho? Masakhe ikamva elizinzileyo nelinomoya ophantsi - isityalo sesamente esinye ngexesha.
Indlela Engaphambili: Ukuqinisa iKamva eliZinzileyo
Uhambo oluya kwisamente ekhabhoni ephantsi luyinkimbinkimbi, lufuna indlela ebanzi. Eli shishini kufuneka liqhubeke nokwamkela ezinye izixhobo, liphucule ukusetyenziswa kwamandla, kwaye lidibanise ukusebenza kakuhle okuqhutywa yi-AI. Nangona kunjalo, utshintsho lokwenyani lukwi-CO2.2 ukubuyisela kwakhona, ukuqinisekisa ukuba izinto ezikhutshwayo ezingenakuthintelwa ziba ngumthombo endaweni yokuba netyala.
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