摘要
为了研究柱状活性焦负载V2O5选择性催化还原NO的性能,采用等体积浸渍法制备一系列柱状V2O5/AC催化剂,采用工业分析、元素分析、SEM、BET对催化剂进行表征。结果表明,柱状活性焦表面具有大量的孔隙结构,硝酸改性提高活性焦的氧含量、比表面积和微孔率。同时研究了V2O5负载量、反应温度、O2浓度、空速等因素对NO脱除率的影响。结果表明,在V2O5负载量为3%、反应温度150 ℃,O2体积分数为5%,空速2500L/(kg·h)时NO的脱除率可达61.89%。
To study the selective catalytic NO reduction of V2O5 supported on cylindrical activated carbon,the catalyst of cylindrical V2O5/AC is prepared by incipient wetness impregnation method.The catalyst is characterized by proximate and ultimate analysis,SEM and BET.The results indicate that a large number of pore structures are on the surface of cylindrical activated carbon;after modification treatment by HNO3,the oxygen content,specific surface area and microporous rate are increased.Meanwhile,influences of V2O5 loading,reaction temperature,concentration of oxygen and space velocity on the efficiency of NO removal rate are studied.The results show that NO conversion can reach 61.89% at a loading of 3% V2O5,150℃,5% O2 and 2500 L/(kg·h) space velocity.
出处
《工业安全与环保》
北大核心
2013年第9期4-7,共4页
Industrial Safety and Environmental Protection
基金
"十二五"国家科技支撑计划首批启动重点项目(2011BAB05B05)
关键词
柱状活性焦
选择性还原
V2O5/AC
cylindrical activated carbon selective catalytic reduction V2O5/AC
