Journal
CATALYSIS COMMUNICATIONS
Volume 89, Issue -, Pages 69-72Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2016.10.024
Keywords
Direct synthesis of H2O2; Pd-TiO2(B)/anatase; H2O2 desorption; Isothermal microcalorimetry; Molecular dynamics simulation; Selectivity
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Funding
- National Key Basic Research Program of China [2013CB733505, 2013CB733501]
- National Natural Science Foundation of China [91334202, 21406118]
- Natural Science Foundation of Jiangsu Province of China [BK2012421, BK20160993]
- Postdoctoral Science Foundation of China [2016M591837]
- Research Fund for the Doctoral Program of Higher Education of China [20123221120015]
- Project for Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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The effect of H2O2 desorption on the direct synthesis of H2O2 from H-2 and O-2 over Pd-TiO2(B)/anatase and Pdanatase has been investigated. The interaction between H2O2 and the support has been studied by isothermal microcalorimetry and molecular dynamics (MD) simulation. H2O2 desorption TiO2(B)/anatase is more facile due to the existence of TiO2(B). The accelerated H2O2 desorption from the catalyst surface can effectively decrease the hydrogenation rate of H2O2 over Pd-TiO2(B)/anatase, which results in a 57% increase in the selectivity of H2O2 synthesis. (C) 2016 Elsevier B.V. All rights reserved.
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