Preparation of phenol from benzene by one-step reaction
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Liptákov, B
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Slovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, Slovakia
Liptákov, B
[1
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Báhidsky, M
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Slovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, Slovakia
Báhidsky, M
[1
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Hronec, M
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Slovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, Slovakia
Hronec, M
[1
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[1] Slovak Univ Technol Bratislava, Dept Petr Technol & Petrochem, Bratislava 81237, Slovakia
The direct gas-phase oxidation of benzene to phenol with a mixture of oxygen-ammonia-water vapors was studied over mixed calcium-copper-hydroxyapatite catalysts. The effect of various reaction parameters on the transformation of benzene to phenol was tested. About 3% conversion of benzene and 97% phenol selectivity was achieved at atmospheric pressure and the temperature of 450 degreesC in the first 3 h of reaction, when deactivation of the catalyst was not so significant. However, after this period the deactivation of the catalyst was pronounced and probably caused by destruction of an active hydroxyapatite structure of the catalyst. (C) 2003 Elsevier B.V. All rights reserved.
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Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Makassar State Univ, Fac Engn, Makassar 90222, IndonesiaEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Agung, Muhammad
Nomura, Shinfuku
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Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Nomura, Shinfuku
Mukasa, Shinobu
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Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Mukasa, Shinobu
Toyota, Hiromichi
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Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Toyota, Hiromichi
Kazuhiko, Otsuka
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Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Kazuhiko, Otsuka
Goto, Hidekazu
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Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, JapanEhime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan