I-acetoneluhlobo lwe-solvent ephilayo, esetyenziswa kakhulu kumashishini ahlukeneyo. Inkqubo yayo yokuvelisa inzima kakhulu kwaye idinga iindlela ezahlukeneyo zokuphendula kunye namanyathelo okucoca. Kweli nqaku, siza kuhlalutya inkqubo yokuvelisa i-acetone ukusuka kwizinto eziluhlaza ukuya kwiimveliso.
Okokuqala, i-acetone ekrwada yi-benzene, efumaneka kwi-oyile okanye i-tar yamalahle. I-Benzene emva koko iphendulwa ngomphunga kwindawo yobushushu obuphezulu kunye ne-high-pressure reactor ukuvelisa umxube we-cyclohexane kunye ne-benzene. Le mpendulo kufuneka iqhutywe kwiqondo lokushisa eliphezulu lama-300 degrees Celsius kunye noxinzelelo oluphezulu lwe-3000 psi.
Emva kokuphendula, umxube upholile phantsi kwaye uhlukaniswe kwiindawo ezimbini: i-oil layer phezulu kunye nomgangatho wamanzi ezantsi. Umaleko we-oyile uqulethe i-cyclohexane, benzene kunye nezinye izinto, ekufuneka ziqhubele phambili amanyathelo okucoca ukufumana i-cyclohexane ecocekileyo.
Ngakolunye uhlangothi, umaleko wamanzi uqulethe i-acetic acid kunye ne-cyclohexanol, ekwayinto ebalulekileyo yezixhobo zokuvelisa i-acetone. Kule nyathelo, i-acetic acid kunye ne-cyclohexanol zihlukaniswe omnye nomnye nge-distillation.
Emva koko, i-acetic acid kunye ne-cyclohexanol zixutywe kunye ne-sulfuric acid egxininisiweyo ukuvelisa ubunzima bokusabela obuqulethe i-acetone. Le mpendulo kufuneka iqhutywe kwiqondo lokushisa eliphezulu le-120 degrees Celsius kunye noxinzelelo oluphezulu lwe-200 psi.
Ekugqibeleni, ubunzima bokusabela buhlukaniswe kumxube nge-distillation, kwaye i-acetone ecocekileyo ifunyenwe phezulu kwikholomu. Eli nyathelo lisusa ukungcola okuseleyo njengamanzi kunye ne-acetic acid, ukuqinisekisa ukuba i-acetone ihlangabezana nemigangatho yezoshishino.
Ekugqibeleni, inkqubo yokuvelisa i-acetone inzima kakhulu kwaye idinga ukushisa okuqinileyo, uxinzelelo kunye namanyathelo okuhlanjululwa ukufumana iimveliso eziphezulu. Ukongeza, i-benzene ekrwada nayo ifumaneka kwi-oyile okanye itela yamalahle, enefuthe elithile kwindalo esingqongileyo. Ngoko ke, kufuneka sikhethe iindlela ezizinzileyo zokuvelisa i-acetone kunye nokunciphisa impembelelo yayo kwindawo engqongileyo kangangoko kunokwenzeka.
Ixesha lokuposa: Jan-04-2024