|
| 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: 7567 |
| 全文下载次数: 6283 |
| 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 |
|
|
|
