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The surface chemistry of 1,2-propanediol (PDO) has been studied on oxygen precovered Pd(111) using temperature programmed desorption (TPD) and high-resolution electron energy loss spectroscopy (HREELS). Adsorbed 1,2-propanedioxy (–OCH(CH3)CH2O–) forms from the activation of the O–H bonds. When the concentration of O(a) is large compared to 1,2-propanedioxy, no H2 is produced and the dialkoxide reacts...
The oxidation of ethylene glycol (HOCH 2 CH 2 OH) and 1,2-propanediol (HOCH(CH 3 )CH 2 OH) was investigated over Pd/C, Au/C, and a series of bimetallic catalysts prepared by electroless deposition of Au onto Pd/C. In order to explain the enhanced activity of the bimetallic catalysts, the oxidation kinetics of selectively deuterated reagents were investigated. On Au/C...
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