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活性碳纤维作还原剂降低NO实验研究
摘要: 利用程序升温反应装置(TPR),在微型反应器中对国产各种活性碳 纤维(ACF)进行了脱除NO的效果对比实验,定量测定了在不同温度下ACF与NO的反应产物,并通 过程序升温脱附(TPD)、热重(TG)及扫描电镜(SEM)的研究,初步探讨了ACF宏观反应机理, 并考察了所选ACF在不同气氛下的变化规律。实验结果表明,聚丙烯腈基ACF脱除NO性能最佳。 Abstract: Five kinds of activated carbon fiber (ACF) were used in the reduct ion of NO as reducing agent.These samples were subjected to temperature programm ed reaction (TPR) in a flow microreactor.By use of thermogravimetry (TG), temperature programmed desorption (TPD) and scanning electron microscopy (SEM) ,the ACF was evaluated and selected successfully.The macrosco pic reaction mechanism of NO removal has been discussed.Moreover,the influences of O2,O2+CO,and temperature on NO reduction were examined.The test results show that NO concentration may be reduced effectively,and the best ACF w as prepared from polyacrylonitrile based activated carbon fiber. 作 者: 郭世永 张守臣 赵修仁 陈家骅 GUO Shi-yong ZHANG Shou-chen ZHAO Xiu-ren CHEN Jia-hua 作者单位: 郭世永,陈家骅,GUO Shi-yong,CHEN Jia-hua(大连理工大学 内燃机研究所,)张守臣,赵修仁,ZHANG Shou-chen,ZHAO Xiu-ren(大连 理工大学 化工学院,)
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