Photodegradation of methyl green using visible irradiation in ZnO suspensions Determination of the reaction pathway and identification of intermediates by a high-performance liquid chromatography–photodiode array-electrospray ionization-mass spectrometry

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Taipei Medical University Institutional Repository > 醫學院 > 醫學系 > 生物化學暨細胞分子生物學科 > 期刊論文 > Item 987654321/3036

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Title:	Photodegradation of methyl green using visible irradiation in ZnO suspensions Determination of the reaction pathway and identification of intermediates by a high-performance liquid chromatography–photodiode array-electrospray ionization-mass spectrometry
Authors:	麥富德 Mai FD;Chen CC;Chen JL;Liu SC
Contributors:	醫學系生化學科
Date:	2008
Issue Date:	2009-08-21 16:34:06 (UTC+8)
Abstract:	Heterogeneous photocatalytic treatment of a dye called methyl green (MG), which was simulating textile wastewater from associated auxiliary chemicals, was investigated using ZnO. A detailed investigation of the photodegradation of MG has been carried out in the ZnO suspension irradiated with visible light. The effects of various factors - viz. pH values, amount of catalyst, initial dye concentration, and the presence of NaCl, Na(2)CO(3), H(2)O(2), and Na(2)S(2)O(8) - on the degradation efficiency were studied. Thirty-two intermediates were separated, identified, and characterized by high-performance liquid chromatography-photodiode array-electrospray ionization-mass spectrometry (HPLC-ESI-DAD-MS) technology, giving us insight into the pathways of the degradation process.
Relation:	Journal of Chromatography A.(1189):355-365.
Data Type:	article
Appears in Collections:	[生物化學暨細胞分子生物學科] 期刊論文

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