Elucidation of Nucleation -Crystal Growth Mechanism of Zeolites in an Atomic Scale, and its Application to Novel Process
原子尺度上沸石成核-晶体生长机制的阐明及其在新工艺中的应用
基本信息
- 批准号:13450325
- 负责人:
- 金额:$ 9.79万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objectives of this study are elucidation of crystal growth mechanism of LTA and FAU zeolites in an atomic scale, and the development of the rational synthesis process based on the mechanism.In the first year, the detection of precursor and its contribution to the crystal growth in dilute system was focused. The same positions on the top surface of the seed crystals were repeatedly observed in the course of the growth. In one solution, LTA was grown on LTA, and FAU was grown on FAU. When Al content was reduced, LTA was grown on LTA, but FAU was unchanged. The solution was characterized by Raman spectroscopy. As the Al content was reduced, the ration of 4MR to 6MR was increased. These experimental results were accounted for by assuming that the precursor of LTA was 4MR, and that of FAU was 6MR.In the second year, further investigation was performed on the crystal growth. By observing the top surface carefully, the structure of the growing surface was elucidated. These results also supported that the precursor of LTA was 4MR, and that of FAU was 6MR. The species in the solution was characterized by novel method. High-Energy X-ray Diffraction (HE-XRD) of gel was performed at Spring-8 SR facility. We first succeeded in demonstrating that there are differences in the ring structure before crystallization.
本研究的目的是在原子尺度上阐明LTA和FAU沸石的晶体生长机理,并基于该机理开发合理的合成工艺。第一年,重点研究了稀相体系中前驱体的检测及其对晶体生长的贡献。在生长过程中,反复观察到种子晶体顶面的相同位置。在一种溶液中,LTA生长在LTA上,FAU生长在FAU上。当Al含量降低时,在LTA上生长了LTA,而FAU没有变化。用拉曼光谱对溶液进行了表征。随着Al含量的降低,4MR与6MR的比例增大。这些实验结果是在假设LTA的前体为4MR,FAU的前体为6MR的情况下得到的。第二年,对晶体生长进行了进一步的研究。通过对生长表面的仔细观察,阐明了生长表面的结构。这些结果也支持LTA的前体是4MR,FAU的前体是6MR。用新方法对溶液中的物种进行了表征。凝胶的高能X射线衍射(HE-XRD)在Spring-8SR设备上进行。我们首先成功地证明了结晶前的环结构存在差异。
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Toru Wakihara, Tatsuya Okubo: "Crystal Growth Behavior of Zeolites Elucidated by Atomic Force Microscopy"Journal of Chemical Engineering of Japan. (印刷中). (2004)
Toru Wakihara、Tatsuya Okubo:“原子力显微镜阐明的沸石晶体生长行为”日本化学工程杂志(2004 年出版)。
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- 影响因子:0
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Masaru Ogura et al.: "Aluminosilicate Species in the Hydrogel Phase Formed during the Aging Process for Crystallization of FAU Zeolite"Chemistry of Materials. 15. 2661-2667 (2003)
Masaru Ogura 等人:“FAU 沸石结晶老化过程中形成的水凝胶相中的铝硅酸盐物质”材料化学。
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- 影响因子:0
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- 通讯作者:
Masaru Ogura, Yasuyuki Kawazu, Hiroshi Takahashi, Tatsuya Okubo: "Aliminosilicate Species in the Hydrogel Phase Formed during the Aging Process for the Crystallization of FAU Zeolite"Chemistry of Materials. 15. 2661-2667 (2003)
Masaru Ogura、Yasuyuki Kawazu、Hiroshi Takahashi、Tatsuya Okubo:“FAU 沸石结晶老化过程中形成的水凝胶相中的硅酸铝物质”材料化学。
- DOI:
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- 影响因子:0
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Toru Wakihara, Tatsuya Okubo: "Crystal Growth Behavior of Zeolites Elucidated by Atomic Force Microscopy."Journal of Chemical Engineering of Japan. (2004)
Toru Wakihara、Tatsuya Okubo:“原子力显微镜阐明的沸石晶体生长行为。”日本化学工程杂志。
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- 影响因子:0
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Toru Wakihara, Akira Sugiyama, Tatsuya Okubo: "Crystal Growth of Faujasite Observed by Atomic Force Microscopy"Microporous and Mesoporous Materials. (2004)
Toru Wakihara、Akira Sugiyama、Tatsuya Okubo:“原子力显微镜观察八面沸石的晶体生长”微孔和介孔材料。
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- 影响因子:0
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OKUBO Tatsuya其他文献
Reduction of crystal size of silicalite-1 synthesized in fluoride-containing media via multi-stage heating with intermediate stirring
多级加热中间搅拌降低含氟介质中合成的silicalite-1晶体尺寸
- DOI:
10.2109/jcersj2.21139 - 发表时间:
2022 - 期刊:
- 影响因子:1.1
- 作者:
IYOKI Kenta;ONISHI Takako;ANDO Mariko;SUKENAGA Sohei;SHIBATA Hiroyuki;OKUBO Tatsuya;WAKIHARA Toru - 通讯作者:
WAKIHARA Toru
脱アルミニウムによる小細孔ゼオライトの水熱耐久性向上
通过脱铝提高小孔沸石的水热耐久性
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
YOSHIOKA Tatsushi;IYOKI Kenta;SANO Tsuneji;OKUBO Tatsuya;WAKIHARA Toru;吉岡 達史・伊與木 健太・堀田 悠介・上村 佳大・加藤 丈晴・クレイグ・A・J・フィッシャー・劉 振東・大西 良治・佐々木 優吉・遠藤 明・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹 - 通讯作者:
吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹
Distributed Continuation Stealing is More Scalable than You Might Think
分布式连续窃取比您想象的更具可扩展性
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
YOSHIOKA Tatsushi;IYOKI Kenta;SANO Tsuneji;OKUBO Tatsuya;WAKIHARA Toru;吉岡 達史・伊與木 健太・堀田 悠介・上村 佳大・加藤 丈晴・クレイグ・A・J・フィッシャー・劉 振東・大西 良治・佐々木 優吉・遠藤 明・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;吉岡 達史・伊與木 健太・堀田 悠介・劉 振東・大西 良治・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹;Shumpei Shiina and Kenjiro Taura;Shumpei Shiina and Kenjiro Taura - 通讯作者:
Shumpei Shiina and Kenjiro Taura
Dealumination of small-pore zeolites by pore-opening migration process
小孔沸石的开孔迁移过程脱铝
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
YOSHIOKA Tatsushi;IYOKI Kenta;SANO Tsuneji;OKUBO Tatsuya;WAKIHARA Toru - 通讯作者:
WAKIHARA Toru
小細孔ゼオライトの脱アルミニウムにおける細孔拡大とその効果
小孔沸石脱铝中的孔扩张及其影响
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
YOSHIOKA Tatsushi;IYOKI Kenta;SANO Tsuneji;OKUBO Tatsuya;WAKIHARA Toru;吉岡 達史・伊與木 健太・堀田 悠介・上村 佳大・加藤 丈晴・クレイグ・A・J・フィッシャー・劉 振東・大西 良治・佐々木 優吉・遠藤 明・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹 - 通讯作者:
吉岡 達史・伊與木 健太・堀田 悠介・上村 佳大・加藤 丈晴・クレイグ・A・J・フィッシャー・劉 振東・大西 良治・佐々木 優吉・遠藤 明・武脇 隆彦・佐野 庸治・大久保 達也・脇原 徹
OKUBO Tatsuya的其他文献
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{{ truncateString('OKUBO Tatsuya', 18)}}的其他基金
Preparation of nano-sized zeolite by combining continuous flow and milling systems
连续流动与研磨系统相结合制备纳米沸石
- 批准号:
25630355 - 财政年份:2013
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of innovative synthetic routes to zeolites by oft-chemical method
常规化学方法开发沸石创新合成路线
- 批准号:
23651104 - 财政年份:2011
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Fine Synthesis of Nanobuilding Units and Construction of Multidimensional Structures through Their Self-Assembly
纳米建筑单元的精细合成以及通过自组装构建多维结构
- 批准号:
23350098 - 财政年份:2011
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of a step-by-step method for synthesizing novel zeolites and their applications
新型沸石的分步合成方法的开发及其应用
- 批准号:
20360355 - 财政年份:2008
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Synthesis of novel microporous materials based on the elucidation of formation of zeolites in nanolevel
基于阐明纳米级沸石形成的新型微孔材料的合成
- 批准号:
15360426 - 财政年份:2003
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Photonic Crystal Thin Film : Rapid Production and Device Fabrication
光子晶体薄膜:快速生产和器件制造
- 批准号:
12555221 - 财政年份:2000
- 资助金额:
$ 9.79万 - 项目类别:
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Molecular Sieve Sensor for Pollutants Detection at Elevated Temperat
用于高温污染物检测的分子筛传感器
- 批准号:
07555543 - 财政年份:1995
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
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控制成核和晶体生长的单一实体方法
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