I-Phenoliyinhlanganisela yamakhemikhali enemisebenzi eminingi ehlukahlukene embonini nasocwaningweni. Ukulungiswa kwayo kwezohwebo kuhilela inqubo enezinyathelo eziningi eqala nge-oxidation ye-cyclohexane. Kule nqubo, i-cyclohexane i-oxidized ibe uchungechunge lwezinto eziphakathi, okuhlanganisa i-cyclohexanol ne-cyclohexanone, eguqulwa ibe yi-phenol. Ake singene emininingwaneni yale nqubo.
Ukulungiswa kwezentengiselwano kwe-phenol kuqala nge-oxidation ye-cyclohexane. Lokhu kusabela kwenziwa phambi kwe-agent oxidizing, njengomoya noma umoya-mpilo ohlanzekile, kanye ne-catalyst. I-catalyst esetshenziswa kulokhu kusabela ngokuvamile ingxube yezinsimbi eziguqukayo, njenge-cobalt, i-manganese, ne-bromine. Ukusabela kwenziwa emazingeni okushisa aphakeme nezingcindezi, ngokuvamile ezisukela ku-600 kuye ku-900.°C kanye nama-atmospheres ayi-10 kuye kwangama-200, ngokulandelana.
I-oxidation ye-cyclohexane iphumela ekwakhekeni kochungechunge lwabaphakathi, okuhlanganisa i-cyclohexanol ne-cyclohexanone. Lawa ma-intermediate abe eseguqulwa abe yi-phenol esinyathelweni sokusabela esilandelayo. Lokhu kusabela kwenziwa phambi kwe-catalyst ye-asidi, njenge-sulfuric acid noma i-hydrochloric acid. I-acid catalyst ikhuthaza ukuphelelwa amandla kwamanzi kwe-cyclohexanol ne-cyclohexanone, okuholela ekwakhekeni kwe-phenol namanzi.
I-phenol ewumphumela ibe isihlanzwa ngokugcotshwa kwe-distillation namanye amasu okuhlanza ukuze kukhishwe ukungcola nezinye izinto ezikhiqizwayo. Inqubo yokuhlanza iqinisekisa ukuthi umkhiqizo wokugcina uhlangabezana nezidingo zobumsulwa zezinhlelo zokusebenza ezahlukene.
I-Phenol isetshenziswa emisebenzini ehlukahlukene, okuhlanganisa ukukhiqizwa kwe-polycarbonates, i-Bisphenol A (BPA), ama-phenolic resins, nezinye izinhlanganisela ezihlukahlukene. Ama-Polycarbonates asetshenziswa kakhulu ekukhiqizeni iziqukathi zepulasitiki, amalensi, nezinye izinto ezibonakalayo ngenxa yokucaca kwazo okuphezulu kanye nokumelana nomthelela. I-BPA isetshenziswa ekukhiqizeni ama-epoxy resins nezinye izinto zokunamathisela, okokunamathela, nezinhlanganisela. Ama-phenolic resins asetshenziswa ekukhiqizeni okunamathelayo, okokunamathela, nezinhlanganisela ngenxa yokumelana kakhulu nokushisa namakhemikhali.
Ekuphetheni, ukulungiswa kwezohwebo kwe-phenol kuhilela i-oxidation ye-cyclohexane, elandelwa ukuguqulwa kwama-intermediates abe yi-phenol nokuhlanzwa komkhiqizo wokugcina. I-phenol ewumphumela isetshenziswa ezinhlobonhlobo zezicelo, okubandakanya ukukhiqizwa kweziqukathi zepulasitiki, izinto zokunamathisela, okokumboza, nezinhlanganisela.
Isikhathi sokuthumela: Dec-11-2023