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铝修饰改性对SBA-15分子筛性质及催化剂性能的影响
调变pH值合成法 Al-SBA-15 酸性 加氢裂化催化剂
2014/3/12
分别采用调变pH值合成法和后处理嫁接法制备了铝修饰改性的SBA-15分子筛，通过XRD、Al核磁、N2吸附脱附、NH3-TPD等方法对改性分子筛的理化性质进行了分析表征，考察了不同的Al修饰改性方法对分子筛性质和加氢裂化催化剂性能的影响。结果表明，调变pH值合成法能够有效地对SBA-15进行Al改性，得到的Al-SBA-15分子筛具有高度有序的六方孔道结构，较好的水热稳定性。Al的引入提高了SBA...
Nickel Phosphide Catalysts Supported on SBA-15 for Hydrodesulfurization of 4,6-Dimethyldibenzothiophene
Nickel phosphide catalyst SBA-15 support Hydrodesulfurization 4,6-Dimethyldibenzothiophene EXAFS
2010/9/8
Ni2P catalysts supported on SiO2 and SBA-15 were successfully prepared by temperature-programmed reduction (TPR), and the effect of Ni2P dispersion on the 4,6-dimethyldibenzothiophene hydrodesulfuriza...