以α-Al2O3为骨料，羧甲基纤维素（CMC）为造孔剂，高岭土为高温粘结剂，TiO2为烧结助剂，采用滚压成型和熔模芯法制备出管式多孔α-Al2O3陶瓷膜支撑体。研究了造孔剂用量、高温粘结剂用量、烧结助剂用量、烧结温度等因素对支撑体性能的影响。结果表明在CMC含量为3%，高岭土含量为10%，TiO2含量为2%,烧结温度为1300℃，保温时间2h时，制出的支撑体平均孔径为1.86μm，孔隙率36.97%，纯水通量在2115.55L/m2•h（0.10Mpa），抗折强度在19.78Mpa，耐酸碱度为99.83%和99.86%

Polytechnic University, Xi’an 710048，China;2.Shaanxi Modern Architecture Design and Research Institute,Xi’an 710048,China）
Abstract  Tubular porousα-Al2O3 ceramic membrane support containing alumina as aggregate, carboxymethylcellulose as pore-fomring agent ,Kaolin and Titanium Dioxide as high temperature binder and sintering additive,was prepared by rolling-pressing and meltable moulding core. The effect of the amount of pore-fomring agent，high temperature binder，sintering additive and sintering temperature on the properties of support was studied in this paper. The results indicate that support with average pore size 1.86μm ，porosity of 36.97%，pure water flux of 2115.55L/m2•h under 0.10Mpa,flexural strength of 19.78Mpa，acid/ alkali resistance of 99.83% and 99.86% is prepared when 3%CMC,10%Kaolin,2%Titanium Dioxide is contained and the sintering temperature is 1300℃，the holding time is 2 hours.

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