A novel method of copper-exchanged aluminum-pillared clay preparation for olive oil mill wastewater treatment
作者： R. Ben Achma , A. Ghorbel , S. Sayadi , A. Dafinov , F. Medina
DOI: 10.1016/J.JPCS.2007.10.128
关键词: Controlled atmosphere 、 Diffuse reflectance infrared fourier transform 、 Wastewater 、 Copper 、 Mineralogy 、 Catalysis 、 Photocatalysis 、 Montmorillonite 、 Chemistry 、 Nuclear chemistry 、 Sorption
摘要: Abstract A novel method of preparing copper-exchanged aluminum-pillared montmorillonite has been developed. The process does not use water and is simpler to operate than the conventional doping [K. Bahranowski, M. Gasior, A. Kielski, J. Podobinski, E.M. Serwicka, L.A. Vartikian, K. Wodnicka, Clay Miner. 34 (1999) 79–87. [1] ; W. Najjar, L. Chirchi, E. Santosb, Ghorhel, Environ. Monit., 3 (2001) 697–701. [2] ]. Here, catalysts containing different ratios Cu/clay were prepared by solid-state reaction Al-pillared clay already synthesized with copper nitrate in controlled atmosphere. resultant materials are characterized X-ray diffraction, nitrogen sorption, chemical analysis, temperature-programmed reduction (TPR), UV–visible diffuse reflectance spectroscopy. properties copper-based have studied wet hydrogen peroxide photocatalytic oxidation (WHPPCO) (H2O2 UV light) real olive oil milling wastewater (OMW). For solution 0.5 g L−1 catalyst, 2.2% H2O2 (V/V), UV, results showed that after 2 h reaction, important concentration polyphenols removed a significant total organic carbon (TOC) removal.
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