Synergistic Decolouration of Azo Dye by Pulsed Streamer Discharge Immobilized TiO2 Photocatalysis-中国期刊网

摘要 PhotocatalystwaspreparedbyimmobilizingTiO_2onglassbeadsusingthetradi-tionalsol-gelmethod.Ultravioletlight(UV)producedbypulsedstreamerdischargewasthenusedtoinducephotocatalyticactivityofTiO_2photocatalyst.Decolourationefficiencyoftherep-resentativeazodye(acidorange7,AO7)wasinvestigatedusingthesynergisticsystemofpulsedstreamerdischargeplasmaandTiO_2photocatalysis.Theobtainedresultsshowedthatthede-colourationrateofAO7couldbeincreasedby16.7%undertheconditionofaddingsupportedTiO_2inthepulsedstreamerdischargesystem,comparedtothatinthesolepulsedstreamerdischargeplasmasystem,duetothesynergisticeffectofpulsedstreamerdischargeandTiO_2photocatalysisinducedbypulsedstreamerdischarge.ThesynergisticsystemofpulsedstreamerdischargeandTiO~photocatalystwasfoundtohavemorereactiveradicalsfordegradationoforganiccompoundsinwater.

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Synergistic Decolouration of Azo Dye by Pulsed Streamer Discharge Immobilized TiO2 Photocatalysis

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Synergistic Decolouration of Azo Dye by Pulsed Streamer Discharge Immobilized TiO2 Photocatalysis

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