硅酸盐通报2017，Vol.36Issue(5)：1464-1469,1479,7.
脱硝催化剂用堇青石多孔陶瓷的制备与性能研究
Preparation and Properties of the Porous Cordierite Ceramic for Catalystic Denitration
摘要
Abstract
Porous cordierite ceramic was prepared by compression molding method with raw materials meta-kaolin, Al2O3 and talc and the denitration catalyst was obtained with impregnation coating method.The porosity, bending strength, thermal expansion coefficients, SEM, BET and other testing methods were used to investigate the effect of porous cordierite ceramics including type and content of the pore-forming agent and acid treatment.The catalytic performance was investigated with different loading rates between 80 ℃ and 200 ℃.The results show the cordierite owned excellent performance with the addition of carbon at 4%.In this condition, the porosity, bending strength and thermal expansion coefficients can reach 31.12%, 21.41 MPa, 3.10×10-6/K respectively.2 h is a perfect acid treatment time that can rich surface pore structure and enlarge surface area significantly.The integral denitration catalyst is obtained with excellent performance at low temperature when the impregnation time is 4.The firmness can be 90.18% and its efficiency of denitration will be 74.5% at 140 ℃.关键词
堇青石/造孔剂/多孔陶瓷/酸处理/脱硝催化剂Key words
cordierite/pore-forming agent/porous ceramic/acid treatment/catalystic denitration分类
资源环境引用本文复制引用
何峰,刘纳,谢峻林,董盼盼..脱硝催化剂用堇青石多孔陶瓷的制备与性能研究[J].硅酸盐通报,2017,36(5):1464-1469,1479,7.基金项目
"十二五"国家科技支撑计划(2011BAE29B02) （2011BAE29B02）
