IpheshelweshiI-organic compact ejwayelekile, eyaziwa nangokuthi i-carbolic acid. Kuyindlela engenamibala noma emhlophe eqinile enephunga elicasulayo elicasulayo. Isetshenziswa kakhulu ekukhiqizeni udayi, imibala, izinamathiseli, amapulasitiki, ama-lubrizizizer, ama-dilinferants, njll. Ngaphezu kwalokho, kungumkhiqizo obalulekile oPhakathi embonini yamakhemikhali.
Ekuqaleni kwekhulu lama-20, i-phenol yatholakala ukuthi inobuthi obuqinile emzimbeni womuntu, futhi ukusetshenziswa kwayo ekukhiqizweni kwezidakamizwa neminye imikhiqizo yathathelwa indawo ezinye izinto. Ngo-1930s, ukusetshenziswa kwe-Phenol kwezimonyo kanye nezindlu zangasese kwavinjelwa ngenxa yobuthi bayo obukhulu nephunga elicasulayo. Ngo-1970, ukusetshenziswa kwe-phenol ezisetshenziswayo eziningi zezimboni nakho kwavinjwa ngenxa yokungcoliswa kwayo okukhulu kwemvelo kanye nezingozi zezempilo zabantu.
E-United States, ukusetshenziswa kwe-phenol embonini kulawulwa ngokuqinile kusukela ngawo-1970s. I-ejensi yokuvikela imvelo yase-US (EPA) isungule uchungechunge lwemithetho nemithethonqubo yokukhawulela ukusetshenziswa nokukhishwa kwe-phenol ukuze kuvikelwe impilo yabantu kanye nemvelo. Isibonelo, amazinga okukhishwa kwe-phenol emanzi angcolile achazwe ngokuqinile, futhi ukusetshenziswa kwe-phenol ngezinqubo zokukhiqiza kuvinjelwe. Ngaphezu kwalokho, i-FDA (ukudla kanye nezidakamizwa ukuphathwa kwezidakamizwa) nayo isungule uchungechunge lwemithethonqubo yokuqinisekisa ukuthi izithasiselo zokudla nezimonyo zezimonyo aziqukethe i-phenol noma okuvela kwayo.
Ekuphetheni, yize i-Phenol inezicelo eziningi ezahlukahlukene embonini nasekuphila kwansuku zonke, ubuthi bayo kanye nephunga elicasulayo libangele ukulimala okukhulu kwempilo yabantu kanye nemvelo. Ngakho-ke, amazwe amaningi athathe izinyathelo zokunciphisa ukusetshenziswa kwawo nokuphuma kwawo. E-United States, yize ukusetshenziswa kwe-phenol embonini kulawulwa ngokuqinile, kusasetshenziswa kabanzi ezibhedlela nakwezinye izikhungo zezokwelapha njengegciwane lezokwelapha kanye negciwane. Kodwa-ke, ngenxa yobuthi bayo obukhulu nezingozi ezingaba khona zezempilo, kunconywa ukuthi abantu kufanele bagweme ukuxhumana ne-phenol ngangokunokwenzeka.
Isikhathi sePosi: Dec-11-2023