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中文摘要：
采用斜板液膜法光电催化降解染料罗丹明B（RhB），用分光光度法考察了其紫外一可见吸收光谱随时间的变化；色谱一质谱联用仪考察了RhB降解过程中的中间产物；总有机碳分析仪考察了RhB的矿化情况。研究结果表明，RhB主要是通过被氧化而降解，首先是RhB的芳环被打开，其产物进而被氧化成小分子的有机酸，最终被氧化为CO2和H2O。
英文摘要：
Rhodamine B （RhB） has been treated by photoelectrocatalytic （PEC） degradation using a slant-placed anode thin-film reactor. The UV-Vis spectra of RhB which changes with time are investigated by spectrophotometry. The intermediate produced in the process of degradation is investigated by combined chromatography-mass spectrography. The mineralization of RhB is investigated with the total organic carbon （TOC） analyzer. The results demonstrate that RhB is degraded by oxidation principally. At the initial stage, aryl-chain is to be opened, and then the product is oxidized to form small molecule organic acid. Finally ,the acid is oxidized to become CO2 and H2O.
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