本文通过实验研究了在贫氧条件下贫煤焦对NO的还原作用,并与添加催化剂的贫煤焦对NO的还原进行了比较.研究结果表明,原始贫煤焦对NO的还原能力很弱,添加催化剂后NO还原率明显提高,说明催化剂对贫煤焦还原NO具有很好的催化作用.在贫氧条件下催化剂可以降低贫煤焦与NO反应的活化能,提高反应速率.反应区氧气浓度和温度对NO的还原也有重要的影响.
参考文献
| [1] | Burch T E;Tillman F R;CHEN W Y et al.Partitioning of Nitrogenous Species in the Fuel-Rich Stage of Reburning[J].Energy and Fuels,1991,5:231-237. |
| [2] | Wei-Yin Chen;Long Ma .Effect of Heterogeneous Mechanisms During Reburning of Nitrogen Oxide[J].AIChE Journal,1996(7):1968-1976. |
| [3] | Zhong B J;Shi W W;Fu W B .Effect of Catalysts on the NO Reduction during the Reburning with Coal Chars as the Fuel[J].Combustion Science and Technology,2001,164:239-251. |
| [4] | 钟北京,施卫伟,傅维标.煤和煤焦还原NO的实验研究[J].工程热物理学报,2000(03):383-387. |
| [5] | 施卫伟 .煤和煤焦还原NO<,x>的实验研究[D].清华大学,1999. |
| [6] | CHAN L K;Sarofim A F;Beer J M .Kinetics of the NOCarbon Reaction at Fluidized Bed Combustor Conditions[Z].Combustion and Flame,1983. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%