• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Renewable Power Generation, IET >Effects of CO
【24h】

Effects of CO

机译：一氧化碳的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

To reveal the effects of CO2 and CO on the reduction of NO in oxy-fuel fluidised bed combustion, NO-CO reduction catalysed by calcined limestone and NO-char reduction were studied in a suspension-bed reactor under CO2 or N-2 atmosphere with the CO concentration varied from 0.28 to 1.88%. Results showed that the calcined limestone is an effective catalyst for NO-CO reduction. The activation energy of NO-CO reduction over calcined limestone was 157-164 kJ/mol at low temperature (600-800 degrees C) and decreased to 58.7-102.1 kJ/mol at high temperature (800-100 degrees C). In CO2 atmosphere, the NO conversion ratio was nearly zero during the NO-CO reduction process, and for NO-char reduction, the NO conversion ratio in CO2 was lower than that in N-2. However, CO showed promotion effect on NO reduction. In NO-CO reduction process, as the CO concentration increased from 0.28% to 1.88%, the NO reduction ratio increased from 0.40 to 0.75. For NO-char reduction in N-2, the NO conversion ratio was obviously higher when 1% CO was introduced, and the promotion effect of CO became weaker as the temperature increased. Moreover, the promoting effect of CO was inhibited in CO2 atmosphere.
机译：为了揭示CO2和CO对氧燃料流化床燃烧中NO还原的影响，在CO2或N-2气氛下，在悬浮床反应器中研究了煅烧石灰石催化的NO-CO还原和NO炭还原。 CO浓度从0.28到1.88％不等。结果表明，煅烧石灰石是一种有效的还原NO-CO的催化剂。煅烧石灰石上的NO-CO还原的活化能在低温（600-800摄氏度）下为157-164 kJ / mol，在高温（800-100摄氏度）下降至58.7-102.1 kJ / mol。在CO2气氛中，NO-CO还原过程中的NO转化率几乎为零，而对于NO炭还原，CO2中的NO转化率低于N-2。但是，CO显示出对NO还原的促进作用。在NO-CO还原过程中，随着CO浓度从0.28％增加到1.88％，NO减少率从0.40增加到0.75。为了减少N-2中的NO-char，引入1％的CO时NO转化率明显更高，并且随着温度的升高，CO的促进作用变弱。此外，在CO 2气氛中抑制了CO的促进作用。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号