Metal chelate absorption coupled with microbial reduction for the removal of NO  x   from flue gas | Zendy

Li Wei | Zendy; Wu ChengZhi | Zendy; Shi Yao | Zendy

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Metal chelate absorption coupled with microbial reduction for the removal of NO x from flue gas

Author(s) -

Li Wei,

Wu ChengZhi,

Shi Yao

Publication year - 2006

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1394

Subject(s) - flue gas , absorption (acoustics) , chemistry , chelation , metal , inorganic chemistry , absorption efficiency , nuclear chemistry , materials science , organic chemistry , composite material , zoology , biology

A novel process for the removal of NO x from flue gas by a combined Fe(II)EDTA absorption and microbial reduction has been demonstrated. Fe(II)EDTA–NO and Fe(III)EDTA (EDTA: ethylenediaminetetraacetate) can be effectively reduced to the active Fe(II)EDTA in the reactor containing microorganisms. In a steady‐state absorption and regeneration process, the final removal efficiency of NO is up to 88%. The effects of four main parameters (i.e. NO, O 2 and SO 2 concentrations, and the amount of cyclic solution) on NO x removal efficiency were experimentally investigated at 50 °C. The results provide some insight into conditions required for the successful removal of NO x from flue gas using the approach of Fe(II)EDTA absorption combined with microbial reduction. Copyright © 2005 Society of Chemical Industry

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