氧气的体积分数对N_2O热分解的影响  

Influence of oxygen concentration on thermal decomposition of N_2O

作　　者：侯祥松[1] 张海[1] 岳光溪[1] 

机构地区：[1]清华大学热能工程系热科学与动力工程教育部重点实验室,北京100084

出　　处：《燃料化学学报》2007年第4期501-504,共4页Journal of Fuel Chemistry and Technology

基　　金：国家重点基础研究发展规划(973计划;2006CB200301)

摘　　要：Thermal decomposition is an effective method to reduce N2O concentration in flue gas.The experiment was conducted with a fix bed reactor.The N2O concentrations before and after reactor under different O2 concentrations were measured and compared.The results show that the increase of oxygen concentration slows the reaction speed of thermal decomposition of N2O.The influence mechanism of oxygen concentration on the thermal decomposition of N2O is simulated with P.Glarborg’s model.The increase of oxygen will reduce the concentrations of H and OH which mainly decide the reaction speed of thermal decomposition of N2O.It is necessary to control the oxygen concentration to increase the de-N2O efficiency by thermal decomposition.Thermal decomposition is an effective method to reduce N2O concentration in flue gas.The experiment was conducted with a fix bed reactor.The N2O concentrations before and after reactor under different O2 concentrations were measured and compared.The results show that the increase of oxygen concentration slows the reaction speed of thermal decomposition of N2O.The influence mechanism of oxygen concentration on the thermal decomposition of N2O is simulated with P.Glarborg's model.The increase of oxygen will reduce the concentrations of H and OH which mainly decide the reaction speed of thermal decomposition of N2O.It is necessary to control the oxygen concentration to increase the de-N2O efficiency by thermal decomposition.

关 键 词：N2O 热分解 氧气 CHEMKIN 

分 类 号：X701[环境科学与工程—环境工程]