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Study on the removal of NO_x from simulated flue gas using acidic NaClO_2 solution 被引量:40
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作者 bal rai deshwal Si Hyun Lee +2 位作者 Jong Hyeon Jung Byung Hyun Shon Hyung Keun Lee 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2008年第1期33-38,共6页
The study on the removal of NOx from simulated flue gas has been carded out in a lab-scale bubbling reactor using acidic solutions of sodium chlorite. Experiments were performed at various pH values and inlet NO conce... The study on the removal of NOx from simulated flue gas has been carded out in a lab-scale bubbling reactor using acidic solutions of sodium chlorite. Experiments were performed at various pH values and inlet NO concentrations in the absence or presence of SO2 gas at 45℃. The effect of SO2 on NO oxidation and NO2 absorption was critically examined. The oxidative ability of sodium chlorite was investigated at different pH values and it was found to be a better oxidant at a pH less than 4. In acidic medium, sodium chlorite decomposed into C102 gas, which is believed to participate in NO oxidation as well as in NO2 absorption. A plausible NOx removal mechanism using acidic sodium chlorite solution has been postulated. A maximum NOx removal efficiency of about 81% has been achieved. 展开更多
关键词 bubbling reactor acidic sodium chlorite flue gas NOx removal
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