Efficient degradation of phenol using natural clay as heterogeneous Fenton-like catalyst
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- 作者：Lemya Djeffal (1) (2) (3)
Sihem Abderrahmane (1)
Mourad Benzina (4)
Marc Fourmentin (2) (5)
Stéphane Siffert (2) (3)
Sophie Fourmentin (2) (3) (6) - 关键词：Clay ; Phenol ; Fenton ; like ; Mineralization ; Heterogeneous catalysis ; Water
- 刊名：Environmental Science and Pollution Research
- 出版年：2014
- 出版时间：March 2014
- 年：2014
- 卷：21
- 期：5
- 页码：3331-3338
- 全文大小：311 KB
- 作者单位：Lemya Djeffal (1) (2) (3)
Sihem Abderrahmane (1)
Mourad Benzina (4)
Marc Fourmentin (2) (5)
Stéphane Siffert (2) (3)
Sophie Fourmentin (2) (3) (6)
1. Laboratoire d’Ingénierie Des Surfaces Université Badji-Mokhtar, Annaba, Algeria
2. Univ Lille Nord de France, 59000, Lille, France
3. ULCO, UCEiV EA4492, 59140, Dunkerque, France
4. Laboratoire ?Eau, Energie et Environnement? (LR3E), ENIS, Université de Sfax, Tunisia
5. ULCO, LPCA EA 4493, 59140, Dunkerque, France
6. UCEIV-145, Avenue Maurice Schumann, 59140, Dunkerque, France - ISSN：1614-7499
文摘
A natural containing Fe-clay (NRC) was used for the Fenton-like oxidation of phenol. This new catalyst was very efficient in phenol elimination in aqueous medium under mild experimental conditions (20?°C, atmospheric pressure and low concentration of hydrogen peroxide). The influence of different parameters like calcination's temperature, particle size, initial phenol and H2O2 concentrations were examined considering both phenol conversion and total organic carbon (TOC) removal. NRC was characterized by several complementary methods including chemical analysis, X-ray diffraction (XRD), M?ssbauer spectroscopy, thermogravimetry-differential thermal analysis (TG-DTA), temperature programmed reduction (TPR) and BET. The experimental results showed that 100?% phenol conversion and 70?% TOC removal can be achieved using sieved and calcined NRC (d-lt;-0?μm/450?°C). Catalytic activity of NRC was mainly attributed to the amount of iron oxide species (12.15?wt.%) present naturally in the clay.