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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (4): 432-435    DOI: 10.1631/jzus.2004.0432
Environmental Science     
Regeneration of nitric oxide chelate absorption solution by two heterotrophic bacterial strains
JING Guo-hua, LI Wei, SHI Yao, MA Bi-yao, TAN Tian-en
Institute of Environmental Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  Ferrous chelate absorption is deemed a promising method for NO removal from flue gas, but the key problem is the difficulty to regenerate the absorption solution, i.e. the complexes of FeII(EDTA)NO and FeIII(EDTA) in the solution. Two bacterial strains isolated recently from the sludge of the denitrification step of a municipal wastewater treatment plant could be applied effectively to regenerate the absorbent were Pseudomonas sp. and klebsiella trevisan sp. Pseudomonas sp. exhibited high reduction ability on FeII(EDTA)NO and the klebsiella trevisan sp. was more suitable for FeIII(EDTA) reduction.

Key words： Microorganism      NOx      FeII(EDTA)NO      FeIII(EDTA)     
Received: 24 December 2003     
CLC:  X701  
  X511  
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SHI Yao
MA Bi-yao
JING Guo-hua
LI Wei
TAN Tian-en
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JING Guo-hua, LI Wei, SHI Yao, MA Bi-yao, TAN Tian-en. Regeneration of nitric oxide chelate absorption solution by two heterotrophic bacterial strains. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(4): 432-435.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.0432     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I4/432

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