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Title: Oxo synthesis catalyst and its preparation process and application in preparing acetic acid and acetic anhydride
Other Title: 羰基合成催化剂、其制备方法和制备乙酸和乙酐的方法
Authors: Chan, ASC
Yuan, G
Issue Date: 26-Mar-2004
Source: 中国专利 ZL 200410032268.X
Abstract: The present invention relates to positive and negative ion type bimetal catalyst with pyridine carboxylic acid as ligand and used for oxo synthesis of acetic acid and acetic anhydride. Of the catalyst, the active positive ion center is square planar cis-bicarbonyl structure formed with pyridine carboxylic acid and Rh(I); and the negative ion active component is coordination compound structure formed with pyridine carboxylic acid and RE metal La, Ce or Nd. Owing to synergetic effect of the special coordination compound structure and metals, the catalyst exhibits excellent activity in catalyzing methanol carbonylation to synthesize acetic acid and catalyzing methyl acetate carbonylation to synthesize acetic anhydride. The space time yield of acetic acid may reach 40 mol/, and that of acetic anhydride may reach 10 mol/
Publisher: 中华人民共和国国家知识产权局
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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