Nearly room-temperature crystallisation of Zn-doped AlPO4-based chabazite materials
A series of ZnAPO-34 materials has been synthesised from gels containing TEAOH as structure-directing agent under a very wide range of crystallisation temperatures. Varying both gel composition and crystallization times, ZnAPO-34 samples can be obtained at temperatures as low as 40 oC, and also at temperatures as high as 200 oC. It probably converts this system in the most specific system towards a particular microporous structure, at least in terms of crystallisation temperatures. The crystal size of the chabazite-structured materials has been studied as a function of crystallization temperature. As expected, the materials synthesized at lower temperatures are formed by larger crystals.
Manuel Sanchez-Sanchez David P. Serrano Rafael van Grieken Juan A. Melero
Departamento de Ingeniería Química y Ambiental, Universidad Rey Juan Carlos, C/ Tulipán,s/n, 28933 Móstoles, Madrid, Spain
国际会议
北京
英文
2007-08-12(万方平台首次上网日期,不代表论文的发表时间)