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在流化床实验台上进行了温度、NH3/NO摩尔比、氧量等对NO消减及N2O生成与分解影响的实验,并进行了多相催化还原反应喷氨脱硝实验,对其机理进行了分析,结果表明,影响喷氨脱硝过程NO消减率及N2O的生成与分解的最重要因素是温度和氧浓度.氧量和温度变化中,都有一个NO消减率最大值,石灰石和床灰对喷氨脱硝具有一定的催化作用,多相催化还原使NO的还原温度有所降低,而且在相对较宽的温度范围内维持较高的NO消减率
The effects of temperature, NH3 / NO molar ratio, oxygen amount, etc. on the NO reduction and N2O formation and decomposition were investigated on a fluidized bed test bed. A series of experiments were carried out to study the mechanism of ammonia denitration by heterogeneous catalytic reduction. The results show that the most important factors that affect the NO reduction rate and the formation and decomposition of N2O during the ammonia deNOx process are temperature and oxygen concentration. In the change of oxygen amount and temperature, there is a maximum NO reduction rate. Limestone and bed ash have a certain catalytic effect on ammonia denitrification. The heterogeneous catalytic reduction reduces the reduction temperature of NO, and at a relatively wide temperature Within the range to maintain a high NO reduction rate