详细信息

高温煤气中氨的脱除    

AMMONIA REMOVAL IN HOT COAL GAS

文献类型:期刊文献

中文题名:高温煤气中氨的脱除

英文题名:AMMONIA REMOVAL IN HOT COAL GAS

作者:申文琴[1];沙兴中[1];豆斌林[1];邱均[1];孙玉铃[1]

机构:[1]华东理工大学能源系

年份:1999

卷号:19

期号:5

起止页码:3

中文期刊名:煤气与热力

外文期刊名:Gas & Heat

基金:国家自然科学基金

语种:中文

中文关键词:高温煤气净化;催化剂;氨;脱除

外文关键词:Purification of hot coal gas, catalysts for ammonia catalytic decomposition,screening of catalysts,kinetic equation

摘要:介绍了对12种候选氨催化分解催化剂筛选实验的结果,其中Ni-3催化剂具有最高的反应活性、一定的耐硫性能和长的使用寿命,是所选最优的催化剂。动力学研究表明,在580-630℃的温度区间内,反应为化学反应控制;在630-700℃的温度区间内,反应以扩散影响为主;在700℃以上的温度区间内。
In this article,12 candidate catalysts for ammonia catalytic decomposition have been screened.Of them, Ni-3 catalyst was the most excellent catalyst because of its highest activity, anti-sulfur property and long life. Further kinetic researches exhibited that the reaction rate is controlled by chemical reaction within the reaction temperature 580630 , seriously effected by diffusion within 630700 ,and above 700 , influenced by reaction equilibrium to great degree.

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