Hanyoyin haɗakar iskar oxygen ta hanyar amfani da na'urorin photochemical don lalata gurɓatattun abubuwa sun haɗa da hanyoyin da suka shafi haɗakar iskar oxygen ta hanyar amfani da na'urorin photochemical waɗanda ba na catalytic ba. Na farko galibi yana amfani da iskar oxygen da hydrogen peroxide a matsayin masu hana iskar oxygen kuma yana dogara ne akan hasken ultraviolet (UV) don fara haɗakar iskar oxygen da rugujewar gurɓatattun abubuwa. Na biyun, wanda aka sani da haɗakar iskar oxygen ta hanyar amfani da na'urorin photocatalytic, gabaɗaya ana iya rarraba shi azaman mai kama da juna da kuma mai bambancin yanayi.
A cikin lalacewar photocatalytic iri-iri, ana shigar da wani adadin kayan semiconductor mai amsawa ga haske a cikin tsarin gurɓataccen abu, tare da wani adadin hasken haske. Wannan yana haifar da motsin nau'ikan "hole-electron" akan saman semiconductor mai amsawa ga haske a ƙarƙashin hasken haske. Iskar oxygen da ta narke, ƙwayoyin ruwa, da sauran abubuwan da aka shaƙa a kan semiconductor suna hulɗa da waɗannan nau'ikan "hole-electron", suna adana kuzarin da ya wuce kima. Wannan yana bawa barbashin semiconductor damar shawo kan shingen amsawar thermodynamic kuma su yi aiki a matsayin masu haɓaka a cikin halayen catalytic daban-daban, suna samar da radicals masu ƙarfi kamar •HO2. Waɗannan radicals sannan suna sauƙaƙe lalacewar gurɓatattun abubuwa ta hanyar hanyoyin kamar ƙara hydroxyl, maye gurbin, da canja wurin electron.
Hanyoyin haɗakar iskar oxygen ta hanyar amfani da na'urar daukar hoto sun haɗa da haɗakar iskar oxygen ta hanyar amfani da na'urar daukar hoto, haɗakar iskar oxygen ta hanyar amfani da na'urar daukar hoto, da kuma haɗakar iskar oxygen ta hanyar amfani da na'urar daukar hoto. Haɗinkar iskar oxygen ta hanyar amfani da na'urar daukar hoto ...
Bugu da ƙari, dole ne a shigar da adadin oxidants da aka ƙayyade kamar hydrogen peroxide, ozone, ko wasu abubuwan kara kuzari cikin ruwa. Wannan hanyar tana da matuƙar tasiri wajen cire ƙananan ƙwayoyin halitta, kamar dyes, waɗanda ke da wahalar lalatawa kuma suna da guba. Halayen oxidation na photochemical suna haifar da radicals masu amsawa da yawa a cikin ruwa, waɗanda ke lalata tsarin mahaɗan halitta cikin sauƙi.
Lokacin Saƙo: Satumba-07-2023
