Phenol

Phenolchinhu chakakosha zvikuru cheorganic raw material, chinoshandiswa zvakanyanya mukugadzirwa kwezvinhu zvakasiyana-siyana zvemakemikari, zvakadai sepurasitiki, rabha, mushonga, mushonga wezvipembenene, nezvimwewo. Nokudaro, zvakakosha zvikuru kuziva zvigadzirwa zve phenol.

 

Zvigadzirwa zvekugadzira phenol zvinonyanya zvinosanganisira benzene, methanol uye sulfuric acid.Benzene inonyanya kukosha organic raw material, inogona kushandiswa kugadzira akawanda marudzi emakemikari zvigadzirwa, zvakadai se phenol, aniline, acetophenone nezvimwe zvakadaro.Methanol yakakosha organic raw material, inogona kushandiswa kugadzira akasiyana makomisheni ane okisijeni-ine anoshanda mapoka.Sulfuric acid yakakosha inorganic acid, iyo inoshandiswa zvakanyanya muindasitiri yemakemikari nemamwe maindasitiri.

 

Maitiro ekugadzira phenol kubva benzene, methanol uye sulfuric acid yakaoma kwazvo.Chekutanga, benzene uye methanol inobatwa pasi pechiito checatalyst kugadzira cumene.Zvadaro, cumene inoiswa oxidized pamberi pemhepo kuti igadzire cumene hydroperoxide.Pakupedzisira, cumene hydroperoxide inobatwa ne diluted sulfuric acid kugadzira phenol uye acetone.

 

Muchigadzirwa chekugadzira phenol, kusarudzwa kwekugadzirisa kunokosha zvikuru.Zvishandiso zvinowanzoshandiswa zvinosanganisira aluminium chloride, sulfuric acid uye phosphoric acid.Mukuwedzera, maitiro ekugadzirisa akadai sekushisa, kudzvinyirira uye kuisa pfungwa kunobatawo goho uye kunaka kwechigadzirwa.

 

Kazhinji, zvigadzirwa zvekugadzirwa kwe phenol zvakaoma, uye maitiro emamiriro acho akaoma.Kuti uwane zvigadzirwa zvemhando yepamusoro uye zvemhando yepamusoro, zvinodikanwa kunyatso kudzora mhando yemhando uye maitiro ekugadzirisa.Pamusoro pezvo, zvinodikanwawo kufunga nezvekuchengetedzwa kwezvakatipoteredza uye kuchengetedzeka mukuita kwekugadzira.Naizvozvo, kana tichishandisa phenol seyakagadzirwa kugadzira zvigadzirwa zvakasiyana siyana zvemakemikari, isu tinofanirwa kutarisisa kune aya maficha kuti tive nechokwadi chekuti tinogona kuwana zvemhando yepamusoro uye zvegoho repamusoro tichichengetedza nharaunda nekuchengetedzeka.


Nguva yekutumira: Zvita-12-2023