Dechlorination/detoxification of aromatic chlorides using fly ash under mild conditions |
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| Authors: | Abdul Ghaffar Masaaki Tabata |
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| Institution: | 1. NMRTEC, 67400 Illkirch Graffenstaden, France;2. Division de Pharmacologie Moléculaire et Cellulaire, Institut de Recherches Servier, 78290 Croissy-sur-Seine, France;3. PEX Chimie, Institut de recherches SERVIER, 92150 Suresnes, France;4. Institut de génétique et de biologie moléculaire et cellulaire, 67404 Illkirch Cedex, France;1. N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of Russian Academy of Sciences, Ac. Lavrentiev Ave., 9, Novosibirsk 630090, Russian Federation;2. Novosibirsk State University, Pirogova Street, 2, Novosibirsk 630090, Russian Federation;3. MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, China;1. Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan;2. Department of Biomedical Information Sciences, Graduate School of Information Sciences, Hiroshima City University, 3-4-1 Ozuka-Higashi, Asa-Minami-Ku, Hiroshima 731-3194, Japan;3. Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan;4. Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan;1. Department of Chemical Engineering, S.V. National Institute of Technology, Surat 395007, India;2. Chemical Engineering Department, Sarvajanik College of Engineering and Technology, Surat 395001, India;1. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China;2. College of Materials Science and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China |
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| Abstract: | An efficient dechlorination/detroxification method for p-nitrochlorobenzene, p-chloroanisole and 1-chloronaphthalene on municipal waste incinerator fly ash in presence of reducing agents with water/alcohol mixtures was developed. Dechlorination% was higher in water/isopropanol mixture at temperature <100 °C. Metal contents of fly ash played a vital role in enhancing dechlorination at low temperature. Moreover, the fly ash particles provided the surface to accomplish reduction and substitution reactions by adsorbing the chlorinated aromatic compound, hydrogen and hydroxyl ions. The mechanism of dechlorination was envisaged. |
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