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"一步法"合成多级孔SAPO-34分子筛

白亚东 ,  郑家军 ,  范彬彬

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引用本文: 白亚东, 郑家军, 范彬彬. "一步法"合成多级孔SAPO-34分子筛[J]. 无机化学学报, 2015, 31(8): 1505-1510. doi: 10.11862/CJIC.2015.225 shu
Citation:  BAI Ya-Dong, ZHENG Jia-Jun, FAN Bin-Bin. One Step Synthesis of SAPO-34 Molecular with Hierarchical Porosity[J]. Chinese Journal of Inorganic Chemistry, 2015, 31(8): 1505-1510. doi: 10.11862/CJIC.2015.225 shu

"一步法"合成多级孔SAPO-34分子筛

  • 1.

    太原理工大学能源化工与催化技术研究中心, 太原 030024

    • 通讯作者: 范彬彬,E-mail:56429158@qq.com
  • 基金项目:

    国家自然科学基金项目(No.21371129,21376157,21246003) (No.21371129,21376157,21246003)

    中国石油化工股份有限公司(No.111110)项目资助。 (No.111110)

摘要: 以TPOAC和硅溶胶为硅源,合成了多级孔SAPO-34分子筛,总比表面积达到649 m2·g-1。详细考察了TPOAC和硅溶胶的配比对多级孔SAPO-34外比表面的影响,通过XRD、BET、SEM、NH3-TPD等对其结构进行表征,结果表明多级孔SAPO-34的外比表面积可调变,晶体外观有较多缺陷位置,弱酸量减少,强酸位有变弱的趋势。在TPOAC与硅溶胶的投料比为3:2,晶化时间为10 d,投料比为nAl2O3:nP2O5:nSi:nTEAOH:nH2O=1:0.9:0.5:2:60时,合成的多级孔SAPO-34的外比表面积达到最大,为100 m2·g-1。

English

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  • 收稿日期:  2014-12-10
  • 网络出版日期:  2015-06-10
通讯作者: 陈斌, bchen63@163.com
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