I-Phenol

I-Phenolibaluleke kakhulu i-organic material eluhlaza, esetshenziswa kabanzi ekukhiqizeni imikhiqizo ehlukahlukene yamakhemikhali, njengepulasitiki, irabha, imithi, isibulala-zinambuzane, njll. Ngakho-ke, kubaluleke kakhulu ukwazi izinto zokusetshenziswa ze-phenol.

 

Izinto zokusetshenziswa zokukhiqiza i-phenol ikakhulukazi zifaka i-benzene, i-methanol ne-sulfuric acid.I-Benzene iyimpahla eluhlaza ebaluleke kakhulu, engasetshenziswa ukukhiqiza izinhlobo eziningi zemikhiqizo yamakhemikhali, njenge-phenol, i-aniline, i-acetophenone njalonjalo.I-Methanol iyi-organic material eluhlaza ebalulekile, engasetshenziswa ukukhiqiza izinhlanganisela ezihlukahlukene namaqembu asebenzayo aqukethe umoya-mpilo.I-Sulfuric acid iyi-asidi ebalulekile ye-inorganic, esetshenziswa kabanzi embonini yamakhemikhali nakwezinye izimboni.

 

Inqubo yokukhiqiza i-phenol nge-benzene, i-methanol ne-sulfuric acid iyinkimbinkimbi kakhulu.Okokuqala, i-benzene ne-methanol zisabela ngaphansi kwesenzo se-catalyst ukukhiqiza i-cumene.Khona-ke, i-cumene i-oxidized phambi komoya ukuze yakhe i-cumene hydroperoxide.Ekugcineni, i-cumene hydroperoxide isabela nge-sulfuric acid ehlanjululwe ukukhiqiza i-phenol ne-acetone.

 

Enqubweni yokukhiqiza i-phenol, ukukhethwa kwe-catalyst kubaluleke kakhulu.Ama-catalyst asetshenziswa kakhulu afaka i-aluminium chloride, i-sulfuric acid ne-phosphoric acid.Ngaphezu kwalokho, izimo zenqubo ezifana nokushisa, ukucindezela nokugxila nazo zithinta isivuno kanye nekhwalithi yomkhiqizo.

 

Ngokuvamile, izinto zokusetshenziswa zokukhiqiza i-phenol ziyinkimbinkimbi, futhi izimo zenqubo ziqinile.Ukuze uthole imikhiqizo yekhwalithi ephezulu nephezulu, kuyadingeka ukulawula ngokuqinile ikhwalithi yempahla eluhlaza kanye nezimo zenqubo.Ngaphezu kwalokho, kuyadingeka futhi ukucabangela ukuvikelwa kwemvelo nokuphepha ohlelweni lokukhiqiza.Ngakho-ke, lapho sisebenzisa i-phenol njengempahla eluhlaza ukukhiqiza imikhiqizo ehlukahlukene yamakhemikhali, kufanele sinake lezi zici ukuze siqinisekise ukuthi singathola imikhiqizo yekhwalithi ephezulu nekhiqiza kakhulu kuyilapho sivikela imvelo nokuphepha.


Isikhathi sokuthumela: Dec-12-2023