造孔剂对粉煤灰基多孔陶瓷膜支撑体的性能影响Effect of Pore-forming Agent on Properties of Fly Ash-based Porous Ceramic Membrane Support
刘丰利;杨玉龙;常启兵;胡志文;汪永清;
摘要(Abstract):
以粉煤灰为主要原料,竹炭为造孔剂,采用干压成型法制备多孔陶瓷膜支撑体。详细研究了造孔剂添加量及烧成制度对多孔陶瓷膜支撑体的性能影响。采用场发射扫描电子显微镜、压汞仪、万能材料试验机和水通量测试装置等对多孔陶瓷膜支撑性能进行表征。当造孔剂添加量为12wt.%,烧成温度为1250℃,保温时间为20 min时,可以制备出抗折强度为25.03 MPa,平均孔径为1.25μm,水通量为3104.71 L/h.m2.bar的多孔陶瓷膜支撑体。
关键词(KeyWords): 粉煤灰;陶瓷膜支撑体;造孔剂;孔隙率;抗折强度
基金项目(Foundation):
作者(Authors): 刘丰利;杨玉龙;常启兵;胡志文;汪永清;
DOI: 10.13958/j.cnki.ztcg.2019.02.005
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