以碱性硅溶胶为硅源,双季铵盐表面活性剂(C18-6-3)为模板剂,通过对模板剂的高效洗脱和重复利用,成功合成了高结晶度、低成本的ZSM-5薄层沸石.利用XRD、XRF、SEM、TEM、NH3-TPD、27Al MAS NMR及低温氮气物理吸脱附等分析表征手段探究了...以碱性硅溶胶为硅源,双季铵盐表面活性剂(C18-6-3)为模板剂,通过对模板剂的高效洗脱和重复利用,成功合成了高结晶度、低成本的ZSM-5薄层沸石.利用XRD、XRF、SEM、TEM、NH3-TPD、27Al MAS NMR及低温氮气物理吸脱附等分析表征手段探究了沸石样品的形貌、孔结构与酸性等性质,并评价其正己烷催化裂解反应性能.结果表明,模板剂洗脱过程未对ZSM-5纳米薄层沸石的结构性质等产生明显影响,洗脱的双季铵盐表面活性剂能够合成形貌较好、结晶度高、介孔孔容高的纳米薄层沸石,其催化性能优异,并且合成成本大幅降低,有利于其在工业化生产中的实际应用.展开更多
ABOUT THIS JOURNALLaunched in 1988,the Chinese Journal of Chemical Physics(CJCP)is devoted to reporting new and original experimental and theoret-ical research on interdisciplinary areas,with chemistry and physics gro...ABOUT THIS JOURNALLaunched in 1988,the Chinese Journal of Chemical Physics(CJCP)is devoted to reporting new and original experimental and theoret-ical research on interdisciplinary areas,with chemistry and physics groundwork of interest to researchers,faculty and students domestic and abroad in the fields of chemistry,physics,material and biologi-cal sciences and their interdisciplinary areas.As one of the 24 peer-reviewed journals under the Chinese Physical Society(CPS).展开更多
文摘以碱性硅溶胶为硅源,双季铵盐表面活性剂(C18-6-3)为模板剂,通过对模板剂的高效洗脱和重复利用,成功合成了高结晶度、低成本的ZSM-5薄层沸石.利用XRD、XRF、SEM、TEM、NH3-TPD、27Al MAS NMR及低温氮气物理吸脱附等分析表征手段探究了沸石样品的形貌、孔结构与酸性等性质,并评价其正己烷催化裂解反应性能.结果表明,模板剂洗脱过程未对ZSM-5纳米薄层沸石的结构性质等产生明显影响,洗脱的双季铵盐表面活性剂能够合成形貌较好、结晶度高、介孔孔容高的纳米薄层沸石,其催化性能优异,并且合成成本大幅降低,有利于其在工业化生产中的实际应用.
文摘ABOUT THIS JOURNALLaunched in 1988,the Chinese Journal of Chemical Physics(CJCP)is devoted to reporting new and original experimental and theoret-ical research on interdisciplinary areas,with chemistry and physics groundwork of interest to researchers,faculty and students domestic and abroad in the fields of chemistry,physics,material and biologi-cal sciences and their interdisciplinary areas.As one of the 24 peer-reviewed journals under the Chinese Physical Society(CPS).
