Photolytic,photochemical,electrocatalytic and photoelectrochemical degradation of reactive red 3BS were studied comparatively using RuxPd1-xO2/Ti as anode and NaCl as the suppport electrolyte.The results showed that t...Photolytic,photochemical,electrocatalytic and photoelectrochemical degradation of reactive red 3BS were studied comparatively using RuxPd1-xO2/Ti as anode and NaCl as the suppport electrolyte.The results showed that the photoelectrochemical discoloration efficiency could afford for more than 98% within 30 min.The synergic effect of photoelectrochemical process was apparently observed.Two controlled experiments performed on RuxPd1-xO2/Ti anode in NaCl solution showed that when the system was firstly treated electrocatalytically for 30 min followed by 30 min photochemical treatment,the electrocatalytically-treated intermediate presented obvious enhancement in photochemical activity,that is,after 2 min illumination,the discoloration efficiency increased from 21% to 96%.It was interesting to note that no such enhancement of discoloration effciency was observed when the system was firstly exposed to photochemical process followed by electrocatalytic process.展开更多
文摘Photolytic,photochemical,electrocatalytic and photoelectrochemical degradation of reactive red 3BS were studied comparatively using RuxPd1-xO2/Ti as anode and NaCl as the suppport electrolyte.The results showed that the photoelectrochemical discoloration efficiency could afford for more than 98% within 30 min.The synergic effect of photoelectrochemical process was apparently observed.Two controlled experiments performed on RuxPd1-xO2/Ti anode in NaCl solution showed that when the system was firstly treated electrocatalytically for 30 min followed by 30 min photochemical treatment,the electrocatalytically-treated intermediate presented obvious enhancement in photochemical activity,that is,after 2 min illumination,the discoloration efficiency increased from 21% to 96%.It was interesting to note that no such enhancement of discoloration effciency was observed when the system was firstly exposed to photochemical process followed by electrocatalytic process.
