I-acetoneluhlobo lwe-solvent ye-organic, esetshenziswa kabanzi kwizimboni ezahlukahlukene. Inqubo yayo yokukhiqiza iyinkimbinkimbi kakhulu futhi idinga ukusabela okuhlukahlukene kanye nezinyathelo zokuhlanza. Kulesi sihloko, sizohlaziya inqubo yokukhiqiza ye-Acetone kusuka ezintweni ezingavuthiwe kuya kwimikhiqizo.
Okokuqala, impahla eluhlaza ye-acetone yi-benzene, etholakala kumafutha noma amalahle. UBenzene wabe esephendula ngomusi endaweni yokushisa okushisa kakhulu nasempesheni ephezulu yokukhiqiza ingxube ye-cyclohede futhi e-benzene. Lokhu kusabela kudinga ukwenziwa ekushiseni okuphezulu kwama-300 degrees Celsius kanye nengcindezi ephezulu ye-3000 PSI.
Ngemuva kokusabela, ingxube isehlisiwe futhi ihlukaniswe izingxenye ezimbili: ungqimba kawoyela phezulu kanye nongqimba lwamanzi ezansi. Usendlalelo kawoyela uqukethe i-cyclohexenane, i-benzene nezinye izinto, ezidinga ukubhekana nezinye izinyathelo zokuhlanzwa ukuze uthole i-cyclofene elihlanzekile.
Ngakolunye uhlangothi, ungqimba lwamanzi luqukethe i-acetic acid kanye ne-cyclohexanol, futhi izinto ezibalulekile zokukhiqiza ekhiqizwayo ye-acetone. Kulesi sinyathelo, i-actic acid kanye ne-cyclohexanol ahlukaniswe komunye nomunye ngokufakwa.
Ngemuva kwalokho, i-acetic acid kanye ne-cyclohexanol kuhlanganiswa ne-sulfuric acid ehlanganisiwe ukukhiqiza isisindo sokuphendula esiqukethe i-acetone. Lokhu kusabela kudinga ukwenziwa ekushiseni okuphezulu kwama-degrees angama-120 kanye nengcindezi ephezulu ye-200 PSI.
Ekugcineni, isisindo sokuphendula sihlukaniswe nengxube ngokudilizwa, futhi i-acetone emsulwa itholakala ngaphezulu kwekholomu. Lesi sinyathelo sisusa ukungcola okusele okufana namanzi ne-acetic acid, ukuqinisekisa ukuthi i-acetone ihlangana namazinga wezimboni.
Ekuphetheni, inqubo yokukhiqiza ye-Acetone iyinkimbinkimbi kakhulu futhi idinga izinga lokushisa eliqinile, ingcindezi nezinyathelo zokuhlanza ukuze uthole imikhiqizo esezingeni eliphakeme. Ngaphezu kwalokho, i-benzene eluhlaza eluhlaza nayo itholakala kumafutha noma ku-taal tal, enomthelela othile emvelweni. Ngakho-ke, kufanele sikhethe izindlela ezizinzile ukukhiqiza i-acetone futhi sinciphise umthelela wayo emvelweni ngangokunokwenzeka.
Isikhathi sePosi: Jan-04-2024