Kayayyaki

An bincika tasirin Cl (-) akan lalatawar oxidative na Acid Orange 7 (AO7) a cikin tsarin UV/S2O8 (2-) don bayyana hanyoyin chlorination a cikin ruwan saline.Ƙananan adadin Cl (-) da kuma Br (-) sun inganta decoloration na AO7, amma irin wannan tasirin ingantawa ya ragu sannu a hankali tare da karuwar ƙwayar halide ion.An gano ma'adinan rini da aka hana ta Cl (-), musamman a ƙarƙashin yanayin acidic.Sakamako na ƙirar ƙira sun nuna cewa ɓangarorin radicals daban-daban na oxidizing sun dogara da abun ciki na Cl(-).A farkon pH na 6.5, Cl2 (-) ya fi yawa fiye da SO4(-).Mahimmancin Cl2 (-) don lalatawar AO7 ya karu tare da karuwar Cl (-) maida hankali kuma ya mamaye na SO4 (-) a [Cl (-)]> 1mM.Ba tare da Cl(-) ba, SO4(-) shine mafi girman radical don lalata AO7 a ƙarƙashin yanayin acidic, yayin da OH ya rinjayi sannu a hankali a pH mafi girma.A karkashin babban salinity yanayi, ƙarin OH za a iya kafa da kuma bayar da gudummawar ga dye degendatio n musamman a cikin alkaline matsakaici, haifar da mafi girma lalata yadda ya dace na AO7.An gano samfuran chlorinated da yawa a gaban ions chloride, kuma SO4(-)/Cl2 (-) -- tushen lalata hanyoyin AO7 an ba da shawarar.Wannan aikin yana ba da ƙarin fahimta game da hadaddun hanyoyin amsawa don SO4(-) tushen ci-gaba da hanyoyin iskar oxygenation a cikin mahalli masu wadatar chloride.