Electrocatalytic degradation kinetic of 4-chlorophenol by the Pd/C gas-diffusion electrode system

A Pd/C gas-diffusion cathode which generated H2O2 through a two-electron reduction process of fed oxygen molecule was used to degrade 4-chlorophenol in an undivided electrolysis device. The kinetics of 4-chlorophenol degradation has been investigated by the electrochemical oxidation processes. By in...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 67(2013), 8 vom: 17., Seite 1873-9
1. Verfasser: Bian, Z Y (VerfasserIn)
Weitere Verfasser: Bian, Y, Wang, H, Pang, L, Ding, A Z
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Chlorophenols Electrolytes Water Pollutants, Chemical 4-chlorophenol 3DLC36A01X Palladium 5TWQ1V240M Carbon 7440-44-0
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520 |a A Pd/C gas-diffusion cathode which generated H2O2 through a two-electron reduction process of fed oxygen molecule was used to degrade 4-chlorophenol in an undivided electrolysis device. The kinetics of 4-chlorophenol degradation has been investigated by the electrochemical oxidation processes. By inspecting the relationship between the rate constants (k) and influencing factors, using first-order kinetics to describe the electrochemical oxidation process of 4-chlorophenol, a kinetic model of 4-chlorophenol degradation process was proposed to calculate the 4-chlorophenol effluent concentration: C = C0 exp( -3:76 × 10(-6) C(-0.5)0 J(2) M(-0.7) Q(0.17) Dt). It was found that the electrocatalytic degradation rate of 4-chlorophenol was affected by current density, electrode distance, air-feeding rate, electrolyte concentration and initial 4-chlorophenol concentration. The kinetics obtained from the experiments under corresponding electrochemical conditions could provide an accurate estimation of 4-chlorophenol effluent concentration and lead to better design of the electrochemical reactor 
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650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Chlorophenols  |2 NLM 
650 7 |a Electrolytes  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a 4-chlorophenol  |2 NLM 
650 7 |a 3DLC36A01X  |2 NLM 
650 7 |a Palladium  |2 NLM 
650 7 |a 5TWQ1V240M  |2 NLM 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
700 1 |a Bian, Y  |e verfasserin  |4 aut 
700 1 |a Wang, H  |e verfasserin  |4 aut 
700 1 |a Pang, L  |e verfasserin  |4 aut 
700 1 |a Ding, A Z  |e verfasserin  |4 aut 
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