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gaohaiyan(½ð±Ò+1, ·­ÒëEPI+1):·Ç³£¸Ðл£¡ºÜºÃ 2011-01-12 08:58:52
gaohaiyan(½ð±Ò+49):лл£¡ 2011-01-12 08:59:16
The results show that potassium aid which tends to lie on the outside surface of the catalyzer has a poor intersolubility with cobalt species. The surface area of the catalyzer decreases significantly as the adding the K aid, which can not reduce the reduction ability of the catalyzer but promote the reduction of Co3O4 under the H2 atmosphere. The catalyzer activity decreases as the oxidation of metal cobalt is promoted by the K aid. By adding small amounts K aid, the catalyzer activity drops but the amount of Cl-C4 in the product distribution decreases and the ratio of alkene to alkyl increases.
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