Oxidative catalytic absorption of NO in aqueous ammonia solution with

Oxidative Catalytic Absorption of NO in Aqueous Ammonia Solution with Hexamminecobalt Complex 

UNILAB Research Center of Chemical Reaction Engineering, 

East China University of Science and Technology, Shanghai, 200237, R R. China Tel Fax 86-21-64252814, E-mail wdxiao ,ecust.edu.cn 

The hexamine cobalt (II) complex is used as a coordinative catalyst, which can coordinate NO to form a nitrosyl ammine cobalt complex, and O2 to form a u -peroxo binuclear bridge complex with an oxidability equal to hydrogen peroxide, thus catalyze oxidation of NO by O2 in ammoniac aqueous solution. Experimental results under typical coal combusted flue gas treatment conditions on a laboratory packed absorber- regenerator setup show a NO removal of more than 85% can be maitained constant. 

Keywords Flue gas denitration, NO oxidation, ammine cobalt complex, activated carbon INTRODUCTION 

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