文章摘要
CuO/C催化剂的制备及其脱除烟气中NO的研究
Synthesis of CuO/C and its removal of NO in flue gas
投稿时间:2017-02-28  
DOI:
中文关键词: 活性半焦  烟气脱硝  CuO/C  催化剂  NO脱除
英文关键词: activated semi-coke  de-NOx in flue gas  CuO/SC  catalyst  removal of NO
基金项目:国家自然科学基金资助项目(21473126).
作者单位E-mail
王光辉 武汉科技大学化学与化工学院,湖北 武汉,430081 wghwang@263.net 
李旺 武汉科技大学化学与化工学院,湖北 武汉,430081  
安良 江汉大学化学与环境工程学院,湖北 武汉,430056  
徐勇 武汉科技大学化学与化工学院,湖北 武汉,430081  
罗东 武汉科技大学化学与化工学院,湖北 武汉,430081  
程瑶 武汉科技大学化学与化工学院,湖北 武汉,430081  
摘要点击次数: 3665
全文下载次数: 4219
中文摘要:
      以褐煤为原料,先通过干馏、活化的方法制取活性半焦,再采用水热法在活性半焦上负载CuO制备CuO/C催化剂,利用XRD和SEM等技术对其晶体结构和微观形貌进行表征,并分析CuO/C催化剂对模拟烟气中NO脱除效果的影响因素。结果表明,活性半焦含有丰富的含氧官能团,是一种较好的催化剂载体和还原剂;在120 ℃和2 h的制备条件下制备CuO/C催化剂时,在活性半焦表面生长的CuO晶体较多,尺寸较小且分散均匀;当C-NO的反应温度为250 ℃、空速为19 200 h-1、氧气含量为4%时,在120 ℃和2 h制备条件下所制得的CuO/C催化剂对NO脱除效果好,其NO脱除率可达95.26%。
英文摘要:
      By using lignite as the raw material, the activated semi-coke was prepared by carbonization and activation methods. Then CuO/C catalyst was prepared by loading CuO on the activated semi-coke with hydrothermal method. The crystal texture and microstructure were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) technology, etc. At the same time, the influencing factors of the CuO/C catalyst on removal of NO from simulated flue gas were analyzed. The results show that the activated semi-coke is rich in oxygen-containing functional groups and thus is a superior catalyst carrier and reducing agent. When the CuO/C catalyst is prepared under 120 ℃ for 2 h, a relatively large number of CuO crystals are grown on the surface of activated semi-coke, which is well dispersive with small size. When the reaction temperature of C-NO is 250 ℃, space velocity is 19 200 h-1 , oxygen concent is 4%, the preparation temperature and time are 120 ℃ for 2 h respectively, the CuO/C catalyst has a good effect on the removal of NO and its denitrification rate can reach 95.26%.
查看全文   查看/发表评论  下载PDF阅读器
关闭