Preparation of Fe-Cu catalysts and treatment of a wastewater mixture by microwave-assisted UV catalytic oxidation processes

Microwave-assisted UV catalytic oxidation (MW/UV) is a potential method to treat organic pollutants that have non-biological degradability and high toxicity. To achieve high treatment efficiency, it is crucial to prepare heterogeneous photocatalysts with a high activity. Iron-copper catalysts were p...

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Veröffentlicht in:Environmental technology. - 1998. - 31(2010), 4 vom: 01. Apr., Seite 433-43
1. Verfasser: Li, Xing (VerfasserIn)
Weitere Verfasser: Xu, Fuyuan, Wang, Jinming, Zhang, Chuanli, Chen, Yingwen, Zhu, Shemin, Shen, Shubao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Aniline Compounds Ferric Compounds Industrial Waste Nitrophenols Water Pollutants, Chemical ferric oxide 1K09F3G675 Copper mehr... 789U1901C5 aniline SIR7XX2F1K cupric oxide V1XJQ704R4
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520 |a Microwave-assisted UV catalytic oxidation (MW/UV) is a potential method to treat organic pollutants that have non-biological degradability and high toxicity. To achieve high treatment efficiency, it is crucial to prepare heterogeneous photocatalysts with a high activity. Iron-copper catalysts were prepared by four different methods. Synthetic wastewater containing aniline and nitrophenol (TOC = 1000 mg/L) was treated. The key parameters including the proportion of Fe2O3 and CuO and the total content of the active components are discussed. The optimum catalyst dosage and the whole catalytic oxidation process were investigated, and different catalytic oxidation systems were also compared. The catalyst prepared by impregnation was best: the highest TOC removal efficiency reached 78%. The optimum proportion of Fe2O3 and CuO and the content of the total active composition were 4:1 and 30%, respectively. The catalyst preparation method had a greater influence on the MW/UV system than on the microwave (MW) system, and the synergistic effect between MW and UV was verified. The MW/UV system was more susceptible to catalyst dosage than was the MW system, and the optimum catalyst dosage was 5 g/L. The catalyst and H2O2 had a synergistic effect. The presence of a possible non-thermal microwave effect could be expected 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Ferric Compounds  |2 NLM 
650 7 |a Industrial Waste  |2 NLM 
650 7 |a Nitrophenols  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a ferric oxide  |2 NLM 
650 7 |a 1K09F3G675  |2 NLM 
650 7 |a Copper  |2 NLM 
650 7 |a 789U1901C5  |2 NLM 
650 7 |a aniline  |2 NLM 
650 7 |a SIR7XX2F1K  |2 NLM 
650 7 |a cupric oxide  |2 NLM 
650 7 |a V1XJQ704R4  |2 NLM 
700 1 |a Xu, Fuyuan  |e verfasserin  |4 aut 
700 1 |a Wang, Jinming  |e verfasserin  |4 aut 
700 1 |a Zhang, Chuanli  |e verfasserin  |4 aut 
700 1 |a Chen, Yingwen  |e verfasserin  |4 aut 
700 1 |a Zhu, Shemin  |e verfasserin  |4 aut 
700 1 |a Shen, Shubao  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2010  |g number:4  |g day:01  |g month:04  |g pages:433-43 
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