Oxidative Destruction of Hydrocarbons on Ca12Al14-x
Si
x
O33+0.5x
(0 ≤ x ≤ 4) with Radical Oxygen Occluded in Nanopores |
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| Authors: | Satoru Fujita Hideyuki Nakano Kenzi Suzuki Toshiaki Mori Hideki Masuda |
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| Affiliation: | (1) Ceramic Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 2266−98 Anagahora, Shimoshidami, Moriyama−ku, Nagoya, 463−8560, Japan;(2) Toyota Central Research and Development Labs., Inc., 41−1 Yokomichi, Nagakute, Nagakute−cho, Aichi−gun, Aichi 480−1192, Japan;(3) Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki University, 3, Bunkyo−cho, Hirosaki, Aomori 036−8561, Japan;(4) Department of Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso−cho, Showa−ku, Nagoya 466−8555, Japan;(5) Division of Environmental Research, EcoTopia Science Institute, Nagoya University, Furo−cho, Chikusa−ku, Nagoya 464−8603, Japan |
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| Abstract: | Three types of calcium aluminosilicate, Ca12Al14O33 (C12A7), Ca12Al14Si2O34 (C12A6), and Ca12Al10Si4O35 (C12A5), were prepared by calcining the respective hydrothermally synthesized hydrogarnet, Ca3Al2(OH)12, Ca3Al2(SiO>4)1/3(OH)32/3, and Ca3Al2(SiO4)0.8(OH)8.8. Different amounts of superoxide (O2-) and peroxide (O22-) were occluded in the lattice of these calcium aluminosilicates. No activity improvement was observed for the oxidation of
propylene and benzene by increasing the amounts of (O2-) and (O22-). |
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| Keywords: | calcium aluminosilicate hydrocarbons oxidation superoxide peroxide |
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