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- Title
Low-Temperature Transformation of Methane to Methanol on Pd<sub>1</sub>O<sub>4</sub> Single Sites Anchored on the Internal Surface of Microporous Silicate.
- Authors
Huang, Weixin; Zhang, Shiran; Tang, Yu; Li, Yuting; Nguyen, Luan; Li, Yuanyuan; Shan, Junjun; Xiao, Dequan; Gagne, Raphael; Frenkel, Anatoly I.; Tao, Franklin (Feng)
- Abstract
Direct conversion of methane to chemical feedstocks such as methanol under mild conditions is a challenging but ideal solution for utilization of methane. Pd1O4 single-sites anchored on the internal surface of micropores of a microporous silicate exhibit high selectivity and activity in transforming CH4 to CH3OH at 50-95 °C in aqueous phase through partial oxidation of CH4 with H2O2. The selectivity for methanol production remains at 86.4 %, while the activity for methanol production at 95 °C is about 2.78 molecules per Pd1O4 site per second when 2.0 wt % CuO is used as a co-catalyst with the Pd1O4@ZSM-5. Thermodynamic calculations suggest that the reaction toward methanol production is highly favorable compared to formation of a byproduct, methyl peroxide.
- Subjects
OXIDATION; METHANE; METHANOL; PALLADIUM oxides; BIOMASS chemicals; POROUS silica
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 43, p13639
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201604708