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The catalytic activity of zinc powder was evaluated for preparation of dimethyl carbonate (DMC) through alcoholysis of urea. Then a comprehensive study was made on the loaded Zn-based catalysts to find preferable preparation conditions including reduction temperature and loaded amount of the active component. TPR was carried out to determine the preferable reduction temperature, and XPS was used to...
Various heterogeneously supported PbO catalysts were prepared for the synthesis of diphenyl carbonate (DPC) by transesterification of dimethyl carbonate (DMC) with phenol. MgO was found to be the best support, and the modification by oxygen further enhanced the catalytic activities of PbO/MgO catalysts. Several parameters affecting the transesterification were investigated. The yields of methylphenyl...
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