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环境科学  2002 

The Effect of the Dosage of TiO2 and Its Surface-loaded Silver on the Photocatalytic Degradation of Aroclor1260
TiO2投加量及其表面载银量对光催化降解Aro-clor1260的影响

Keywords: TiO2,surface loaded silver,Aroclor1260,the PCBs congeners,photocatalytic degradation
TiO2
,载银,Aroclor1260,PCB单体化合物,光催化降解

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Abstract:

The dosage of TiO2 and its surface loaded silver had notable effect on the photocatalytic degradation of Aroclor1260, under ultraviolet light. The dosage of TiO2 had no proportion to the degradation rate of Aroclor1260, but had an optimal value, which was 3g/L under the experimental condition. The degradation rate of Aroclor1260 increased with the increasing of loading silver, and the PCBs congeners with higher concentration had higher degradation rate. The catalytic activity of TiO2 increased with the amount of loading silver increasing.

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