摘要
A new process was proposed for removing the nitrogen oxides(NO x) from the CO 2 waste gases from the lime torrefied ratary furnace in Shanghai Baoshan Steel and Iron Company by means of absorption method of aqueous urea solution in order to recover highly pure CO 2 for producing high quality beverage. The result obtained shows that the concentration of nitrogen oxides can be decreased from 6^5×10 -4 {mol/L} to below 2.0×10 -6 mol/L, the removing rate was over 99%. In the experiment, we made NO coming from the reaction NO 2 +H 2O be all oxidized to NO 2 by using a special oxidized method, which was the key step for removing nitrogen oxides.
A new process was proposed for removing the nitrogen oxides(NO x) from the CO 2 waste gases from the lime torrefied ratary furnace in Shanghai Baoshan Steel and Iron Company by means of absorption method of aqueous urea solution in order to recover highly pure CO 2 for producing high quality beverage. The result obtained shows that the concentration of nitrogen oxides can be decreased from 6^5×10 -4 {mol/L} to below 2.0×10 -6 mol/L, the removing rate was over 99%. In the experiment, we made NO coming from the reaction NO 2 +H 2O be all oxidized to NO 2 by using a special oxidized method, which was the key step for removing nitrogen oxides.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2004年第9期1730-1732,共3页
Chemical Journal of Chinese Universities
基金
上海宝山钢铁公司科技发展基金 (批准号 :2 0 0 0 BG0 0 1)资助
关键词
尿素
水溶液
氮氧化物脱除
CO2精制
Urea
Water solution
Removing of nitrogen oxides
Refinement of CO 2
