...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Clay Minerals >Synthesis of an NaY zeolite molecular sieve from a kaolin/dimethyl sulfoxide intercalation composite
【24h】

Synthesis of an NaY zeolite molecular sieve from a kaolin/dimethyl sulfoxide intercalation composite

机译：从高岭土/二甲基亚甲醚嵌入复合材料合成NAY沸石分子筛

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

NaY zeolite was synthesized from kaolin/dirnethyl sulfoxide (DMSO) intercalation composites using an in situ crystallization technique. The effects of the intercalation ratios and the amounts of the kaolin/DMSO intercalation composite on the synthesis of an NaY zeolite molecular sieve were studied. The samples were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, differential thermal analysis, N-2 adsorption-desorption and scanning electron microscopy. In the in situ synthesis system, when the kaolin/DMSO intercalation composite was added, pure NaY zeolite was formed. By increasing the amount of kaolin/DMSO intercalation composite added, the crystallinity of the samples increased, and after reaching the maximum amount of kaolin/DMSO intercalation composite added, the crystallinity decreased with further increases of the amount of kaolin/DMSO intercalation composite added. To higher intercalation ratio, the crystallinity can be greatly improved at the lower addition content. At an intercalation ratio of 84%, the added amount of kaolin/DMSO intercalation composite was 2.5% and the crystallinity of the NaY zeolite molecular sieve reached a maximum value of 45%. At intercalation ratios of 55% and 22%, the amount of kaolin/DMSO intercalation composite added was 15% and the crystallinities of the NaY zeolite molecular sieves were 44% and 47%, respectively. The NaY zeolite has good thermal stability and a particle diameter of similar to 0.5 mu m. The Brunauer-Emmett-Teller (BET) specific surface area and pore volume of the sample were 519 m(2) g(-1) and 0.355 cm(3) g(-1), respectively.
机译：利用原位结晶技术从高岭土/亚甲亚甲醚（DMSO）插层复合材料中合成NY沸石。研究了嵌入比的影响和高岭土/ DMSO嵌段复合材料对NAY沸石分子筛合成的影响。通过X射线衍射，傅里叶变换红外光谱，差分热分析，N-2吸附 - 解吸和扫描电子显微镜表征样品。在原位合成系统中，加入高岭土/ DMSO嵌段复合材料时，形成纯NY沸石。通过增加加入的高岭土/ DMSO插层复合材料的量，样品的结晶度增加，并且在加入的高岭土/ DMSO嵌段复合材料的最大量后，结晶度随着加入的高岭土/ DMSO嵌段复合材料的进一步增加而降低。为了更高的嵌入率，在较低的添加含量下可以大大提高结晶度。在嵌入率为84％的情况下，高岭土/ DMSO嵌段复合材料的添加量为2.5％，NAY沸石分子筛的结晶度达到最大值45％。在55％和22％的嵌入比下，加入的高岭土/ DMSO嵌入复合材料的量为15％，氮素沸石分子筛的晶体分别为44％和47％。 NY沸石具有良好的热稳定性，粒径与0.5μm相似。 Brunauer-Emmett-Teller（Bet）比表面积和样品的孔体积分别为519μm（2 )g（-1）和0.355cm（3 )g（-1）。

著录项

  • 来源
    《Clay Minerals》 |2021年第1期|28-36|共9页
  • 作者

    Zheng Shu-Qin; Chen Ou; Liu Si-Cheng; Li An; Li Li-Jun; Yuan Yong-Bing; Zhang Ceng;

  • 作者单位

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China|Hunan Prov Key Lab Special Petrochem Catalysis & Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China|Hunan Prov Key Lab Special Petrochem Catalysis & Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China|Hunan Prov Key Lab Special Petrochem Catalysis & Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China|Hunan Prov Key Lab Special Petrochem Catalysis & Yueyang 414006 Hunan Peoples R China;

    Hunan Inst Sci & Technol Dept Chem & Chem Engn Yueyang 414006 Hunan Peoples R China|Hunan Prov Key Lab Special Petrochem Catalysis & Yueyang 414006 Hunan Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    DMSO; in situ technique; intercalation composite; kaolin; NaY zeolite;

    机译：DMSO;原位技术;嵌入复合材料;高岭土;NY沸石;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号