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Our recent studies on the oxidation of methane in the presence and absence of tetrachloromethane (TCM) over a variety of solid catalysts have been summarized together with those of the oxidation of re...lated hydrocarbons. The catalytic activities were generally improved by the addition of TCM and the improvement was strongly dependent on the chlorine species formed over the surface of the catalysts during the oxidation with TCM. However no effects of the introduction of TCM into the feedstream were observed on highly active catalysts such as Li/MgO, Sm_2O_3, and La_2O_3. Various X-ray analyses of the catalysts previously employed in the oxidation are also described in order to clarify the nature and source of the introduction of TCM.続きを見る
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