Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were di...Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were discussed in detail.The reaction mechanism was preliminarily studied.The result showed that reactive red X-3B solution containing pyruvate could be discoloured by UV irradiation.Under the experimental condition,the apparent kinetic equation of reactive red X-3B was-dc/dt=0.11+0.0017C_P.The initial concentration of pyruvate was the main factor influencing the discoloration efficiency of reactive red X-3B.展开更多
The oxidation of 200mg/l reactive red X-3B wastewater was studied by a combination of electrodeless ultraviolet lamp and hydrogen peroxide,hydrogen peroxide alone,microwave alone,electrodeless ultraviolet light（UV）-...The oxidation of 200mg/l reactive red X-3B wastewater was studied by a combination of electrodeless ultraviolet lamp and hydrogen peroxide,hydrogen peroxide alone,microwave alone,electrodeless ultraviolet light（UV）-radiation and microwave irradiation alone,respectively.the results showed that the different oxidation methods were that:MW/UV/H2O2>H2O2 alone>MW/UV>MW alone.when treating time was 60 min,The dye solution was decolored completely,and TOC removal was 52.95%.The mechanism of degradation was explored primarily by GC-MS analysis.展开更多
文摘Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were discussed in detail.The reaction mechanism was preliminarily studied.The result showed that reactive red X-3B solution containing pyruvate could be discoloured by UV irradiation.Under the experimental condition,the apparent kinetic equation of reactive red X-3B was-dc/dt=0.11+0.0017C_P.The initial concentration of pyruvate was the main factor influencing the discoloration efficiency of reactive red X-3B.
文摘The oxidation of 200mg/l reactive red X-3B wastewater was studied by a combination of electrodeless ultraviolet lamp and hydrogen peroxide,hydrogen peroxide alone,microwave alone,electrodeless ultraviolet light（UV）-radiation and microwave irradiation alone,respectively.the results showed that the different oxidation methods were that:MW/UV/H2O2>H2O2 alone>MW/UV>MW alone.when treating time was 60 min,The dye solution was decolored completely,and TOC removal was 52.95%.The mechanism of degradation was explored primarily by GC-MS analysis.
