The luminescent properties of microwave discharge electrodeless mercury lamp（MDEL-Hg） which was ignited within the resonant cavity and photolysis of hydrogen sulfide with low concentration were studied in this paper...The luminescent properties of microwave discharge electrodeless mercury lamp（MDEL-Hg） which was ignited within the resonant cavity and photolysis of hydrogen sulfide with low concentration were studied in this paper.Experiment results indicated that the Interior MDEL-Hg could be made the best of energy utihzation and the efficiency of photolysis of H2S was very significant under the experimental conditions with the initial H2S concentration of 7.9 mg m^-1.With residence time of 1.5 s,the removal efficiency of hydrogen sulfide was 91%,the absolute removal amount（ARA） was 3.24μg s^-1 and the energy consumption was 58.23 mg（kWh）^-1.展开更多
Photodegradation of malachite green (MG) as the model molecule with TiO2 catalyst by microwave discharge electrodeless lamps (MDELs) was investigated.The effects of different parameters in photodegradation of MG,such ...Photodegradation of malachite green (MG) as the model molecule with TiO2 catalyst by microwave discharge electrodeless lamps (MDELs) was investigated.The effects of different parameters in photodegradation of MG,such as MDEL shape,microwave power,initial solution concentration,and catalyst dosage were discussed.Additionally,the photodegradation of congo red,acid black,acid fuchsine and salicylic acid with anatase TiO2 catalyst were investigated under the optimal reaction condition.The results showed that the MDEL is a new treatment method for enhancing photodegradation of organic contaminants with TiO2 catalyst.展开更多
基金supported by the Shanghai Natural Science Foundation(No.07ZR14004)
文摘The luminescent properties of microwave discharge electrodeless mercury lamp（MDEL-Hg） which was ignited within the resonant cavity and photolysis of hydrogen sulfide with low concentration were studied in this paper.Experiment results indicated that the Interior MDEL-Hg could be made the best of energy utihzation and the efficiency of photolysis of H2S was very significant under the experimental conditions with the initial H2S concentration of 7.9 mg m^-1.With residence time of 1.5 s,the removal efficiency of hydrogen sulfide was 91%,the absolute removal amount（ARA） was 3.24μg s^-1 and the energy consumption was 58.23 mg（kWh）^-1.
文摘Photodegradation of malachite green (MG) as the model molecule with TiO2 catalyst by microwave discharge electrodeless lamps (MDELs) was investigated.The effects of different parameters in photodegradation of MG,such as MDEL shape,microwave power,initial solution concentration,and catalyst dosage were discussed.Additionally,the photodegradation of congo red,acid black,acid fuchsine and salicylic acid with anatase TiO2 catalyst were investigated under the optimal reaction condition.The results showed that the MDEL is a new treatment method for enhancing photodegradation of organic contaminants with TiO2 catalyst.
