Journal of South China University of Technology (Natural Science Edition) ›› 2006, Vol. 34 ›› Issue (3): 34-38.

• Chemistry,Chemical & Energy Engineering • Previous Articles     Next Articles

Capability of CoMgAlO Catalyst Adsorbing SO2 and NO in Flue Gas

Yu Mo-xin  Xu Jian-chang  Li Xue-hui  Wang Le-fu   

  1. College of Chemical and Energy Engineering, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China
  • Received:2005-04-21 Online:2006-03-25 Published:2006-03-25
  • Contact: 余谟鑫(1978-) , 男, 博士生, 主要从事环境材料工程的研究. E-mail:victoryu@ suct. edu. cn
  • About author:余谟鑫(1978-) , 男, 博士生, 主要从事环境材料工程的研究.
  • Supported by:

    国家自然科学基金资助项目( 20076017); 广东省自然科学基金资助项目( 000428); 广东省科技攻关项目( 2KB06601S ); 广东省环保局科技基金资助项目( 2000114)

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Abstract:

Two kinds of CoMgAlO catalysts were respectively prepared by means of coprecipitation and impregnation, which were then used to adsorb the SO2 and NO in flux gas at atmospheric pressure. The results show that the two catalysts are all of excellent capability to adsorb SO2 and NO, and the CoMgAlO catalyst prepared by coprecip-itation is of better adsorbing capability. The investigation of the influences of calcined temperature, Co content and adsorption temperature, etc. on the adsorption capability indicates that, when the CoMgAlO catalyst prepared by coprecipita ion with 10% ( mass fraction) Co is ca lcined at 550℃ , its adsorbing capability achieves the maximum value at 120℃ , concretely, 1. 36mmol of SO2 and 0. 223mmol of NO can be adsorbed by 1g of catalyst.

Key words: CoMgAlO catalyst, oxidation adsorption, sulfur dioxide, nitrogen monoxide, adsorption capability