Photocatalytic Degradation of Diethyl Phthalate (DEP) in Water Using TiO2

被引：2
作者：
Wen-Bin Huang
Chih-Yu Chen
机构：
[1] National Dong Hwa University,Graduate Institute of Biological Resources and Technology
[2] Hsing Wu College,Department of Tourism
来源：
Water, Air, and Soil Pollution | 2010年 / 207卷
关键词：
Photocatalytic degradation; Diethyl phthalate; TiO; Wastewater;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The degradation of diethyl phthalate (DEP) in aqueous solution by titanium dioxide (TiO2) photocatalysis has been investigated in our research. DEP was completely removed in the solution by 50-min irradiation. Results show that DEP degradation rate was affected by initial DEP concentration, photocatalyst amount, light intensity, and pH. Photocatalytic degradation intermediates were identified by gas chromatography-mass spectrometry intermediates were identified by gas chromatography-mass spectrometry. The major intermediates are methyl benzoate, ethyl benzoate, and carboxylic derivatives. The photocatalytic degradation process was found to obey first-order reaction. Consequently, the result of photocatalytic degradation could be an efficient method of DEP removal from wastewater.
引用
收藏
页码：349 / 355
页数：6
相关论文
共 86 条
[1]  
Balabanovich AI(1998)On the photolysis of phthalic acid dimethyl and diethyl ester: A product analysis study Journal of Photochemistry and Photobiology A: Chemistry 113 145-153
[2]  
Schnabel W(2005)Anaerobic degradation of diethyl phthalate, di-n-butyl phthalate and di-(2-ethylhexyl) phthalate from river sediment in Taiwan Chemosphere 58 1601-1607
[3]  
Chang BV(2007)Biodegradation of four phthalate esters in sludge Chemosphere 69 1116-1123
[4]  
Liao CS(2007)Removal of phthalate esters by α-cyclodextrin-linked chitosan bead Bioresource Technology 98 2578-2583
[5]  
Yuan SY(1994)Photodechlorination of polychlorobenzene congeners in surfactant micelle solutions Environmental Science & Technology 28 2415-2422
[6]  
Chang BV(2009)Degradation of di-(2-ethylhexyl) phthalate (DEHP) by TiO Water, Air, and Soil Pollution 200 191-198
[7]  
Wang TH(2002) photocatalysis Ecotoxicology and Environmental Safety 53 255-258
[8]  
Yuan SY(1979)Toxicity study of diethyl phthalate on freshwater fish Journal of Physical Chemistry 83 3146-3152
[9]  
Chen CY(2006)Spin trapping and electron spin resonance detection of radical intermediates in the photodecomposition of water at TiO Chemical Engineering Journal 125 59-66
[10]  
Chen CC(2007) particulate system Bulletin of the Catalysis Society of India 6 22-33
123456789