硅酸盐学报2017，Vol.45Issue(12)：1810-1817,8.DOI:10.14062/j.issn.0454-5648.2017.12.13
氧化铝添加量对多孔碳化硅支撑体性能的影响
Effect of Alumina Doping on Properties of Macroporous Silicon Carbide Supports
摘要
Abstract
Macroporous silicon carbide (α-SiC) supports prepared by a dry-pressing method were sintered in air by usingα-SiC powder (the average particle size of 27.6μm) and submicron-sized silicon carbide and alumina as sintering agents. Effect of alumina doping on the structure and properties of macroporous silicon carbide support was investigated. The effect of the doping amount of alumina on the pore size, porosity, bending strength, and pure water flux of the SiC supports was also investigated. SiC support can be obtained at 1450℃ when alumina powder of 10% (in mass fraction) is added. The pore size, porosity, three-point bending strength and pure water flux of this support are 0.3μm, 31.8%, 39.1MPa, and 786L·m-2·h-1·bar-1, respectively. The three-point bending strength of the support is 18MPa after corroded in 10% NaOH (80℃) for 4h.关键词
多孔陶瓷支撑体/碳化硅/纯水通量/耐腐蚀性能Key words
macroporous ceramic supports/silicon carbide/pure water flux/corrosion resistance分类
化学工程引用本文复制引用
于吉,郁苏俊,漆虹..氧化铝添加量对多孔碳化硅支撑体性能的影响[J].硅酸盐学报,2017,45(12):1810-1817,8.基金项目
国家自然科学基金(21276123,21490581) （21276123,21490581）
江苏省"六大人才高峰"项目资助. （）
