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  • Title: Kinetics of photoelectrocatalytic degradation of humic acid using B2O3.TiO2/Ti photoelectrode.
    Author: Yan-li J, Hui-ling L, Chun-mei L.
    Journal: J Environ Sci (China); 2005; 17(2):208-11. PubMed ID: 16295890.
    Abstract:
    An innovative photoelectrode, B2O3.TiO2/Ti electrode, was prepared by galvanostaticanodisation. The morphology and crystalline texture of the B2O3.TiO2 film on electrode were examined by atomic force microscopy (AFM) and X-ray diffraction respectively. The examination results indicated that the anatase was the dominant component. The kinetics of photoelectrocatalytic (PEC) degradation of humic acid(HA) was investigated; the results demonstrated that effects from strongness to weakness on the photoelectrocatalytic degraded rate of humic acid: power of UV-lamp, area of TiO2 film, bias, original concentration of humic acid solution. The optimum conditions were power of UV-lamp 125 W, area of TiO2 film 42.0 cm2, bias 1.4 V, original concentration of humic acid solution 5 mg/L in this PEC reaction system.
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