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    • 12. 发明申请
    • METHOD FOR PRODUCING MTW-TYPE ZEOLITE
    • 生产MTW型沸石的方法
    • US20130343986A1
    • 2013-12-26
    • US13980765
    • 2012-01-17
    • Keiji ItabashiYoshihiro KamimuraTatsuya Okubo
    • Keiji ItabashiYoshihiro KamimuraTatsuya Okubo
    • C01B39/46
    • C01B39/46C01B39/42
    • Provided is a method for producing an MTW-type zeolite. The reaction mixture contains a silica source, an alumina source, an alkali source, and water is reacted with a seed crystal of a zeolite to produce an MTW-type zeolite. The reaction mixture has a composition, which makes a synthesized zeolite contain an MFI-type zeolite when the zeolite is synthesized solely from the reaction mixture, is used. As the seed crystal, a beta-type zeolite which has a ratio of SiO2/Al2O3 of 8 to 50 and does not contain a structure direction agent is used. The seed crystal is added to the reaction mixture, in a proportion of 0.1% by mass to 20% by mass based on a silica component in the reaction mixture. The reaction mixture to which the seed crystal has been added is heated at 100° C. to 200° C. in a sealed state.
    • 提供了一种MTW型沸石的制造方法。 反应混合物含有二氧化硅源,氧化铝源,碱源,水与沸石晶种反应生成MTW型沸石。 反应混合物具有组合物,当使用沸石仅由反应混合物合成时,其使合成的沸石含有MFI型沸石。 作为晶种,使用SiO 2 / Al 2 O 3的比例为8〜50,不含结构方向试剂的β型沸石。 相对于反应混合物中的二氧化硅成分,将该晶种以0.1质量%〜20质量%的比例添加到反应混合物中。 已加入晶种的反应混合物在密封状态下在100℃加热至200℃。
    • 14. 发明授权
    • Method for producing MTW-type zeolite
    • 生产MTW型沸石的方法
    • US09333495B2
    • 2016-05-10
    • US13509677
    • 2010-11-19
    • Keiji ItabashiTatsuya OkuboKenta Iyoki
    • Keiji ItabashiTatsuya OkuboKenta Iyoki
    • C01B39/42B01J29/70B01J20/30
    • C01B39/42B01J20/3078B01J29/7034
    • A method for producing an MTW-type zeolite, comprising (1) mixing an alumina source, an alkali source, a lithium source, and water so as to obtain a reaction mixture (2) Adding a seed crystal of an MTW-type zeolite before or while a silica source is added to the reaction mixture in a proportion of 0.1 to 20% by weight relative to the silica component in the reaction mixture. Mixing and stirring the reaction mixture. Wherein the MTW-type zeolite of the seed crystal has a SiO2/Al2O3 ratio of 10 to 500 and does not contain an organic compound. The reaction mixture has a composition represented by the following molar ratios: SiO2/Al2O3=12 to 200, Na2O/SiO2=0.1 to 0.3, Li2O/(Na2O+Li2O)=0.05 to 0.5 and H2O/SiO2=10 to 50. (3) Air tightly heating the reaction mixture, to which the seed crystal of the MTW type zeolite has been added, at 100 to 200° C.
    • 一种生产MTW型沸石的方法,包括(1)将氧化铝源,碱源,锂源和水混合以获得反应混合物(2)在MTW型沸石之前加入MTW型沸石的晶种 或者相对于反应混合物中的二氧化硅组分,以0.1至20重量%的比例将二氧化硅源加入到反应混合物中。 混合搅拌反应混合物。 其中晶种的MTW型沸石的SiO 2 / Al 2 O 3比例为10〜500,不含有机化合物。 反应混合物具有以下摩尔比表示的组成:SiO 2 / Al 2 O 3 = 12〜200,Na 2 O / SiO 2 = 0.1〜0.3,Li 2 O /(Na 2 O + Li 2 O)= 0.05〜0.5,H 2 O / SiO 2 = 10〜50 3)在100〜200℃下,将加入MTW型沸石的晶种的反应混合物气密加热
    • 15. 发明授权
    • Method for producing MTW-type zeolite
    • 生产MTW型沸石的方法
    • US08834836B2
    • 2014-09-16
    • US13980765
    • 2012-01-17
    • Keiji ItabashiYoshihiro KamimuraTatsuya Okubo
    • Keiji ItabashiYoshihiro KamimuraTatsuya Okubo
    • C01B33/36C01B39/00C01B39/42C01B39/46
    • C01B39/46C01B39/42
    • Provided is a method for producing an MTW-type zeolite. The reaction mixture contains a silica source, an alumina source, an alkali source, and water is reacted with a seed crystal of a zeolite to produce an MTW-type zeolite. The reaction mixture has a composition, which makes a synthesized zeolite contain an MFI-type zeolite when the zeolite is synthesized solely from the reaction mixture, is used. As the seed crystal, a beta-type zeolite which has a ratio of SiO2/Al2O3 of 8 to 50 and does not contain a structure direction agent is used. The seed crystal is added to the reaction mixture, in a proportion of 0.1% by mass to 20% by mass based on a silica component in the reaction mixture. The reaction mixture to which the seed crystal has been added is heated at 100° C. to 200° C. in a sealed state.
    • 提供了一种MTW型沸石的制造方法。 反应混合物含有二氧化硅源,氧化铝源,碱源,水与沸石晶种反应生成MTW型沸石。 反应混合物具有组合物,当使用仅由反应混合物合成沸石时,使合成的沸石含有MFI型沸石。 作为晶种,使用SiO 2 / Al 2 O 3的比例为8〜50,不含结构方向试剂的β型沸石。 相对于反应混合物中的二氧化硅成分,将该晶种以0.1质量%〜20质量%的比例添加到反应混合物中。 已加入晶种的反应混合物在密封状态下在100℃加热至200℃。
    • 18. 发明申请
    • Adsorbing agent comprising zeolite for heat pump and method for preparation thereof and use thereof
    • 含有热泵沸石的吸附剂及其制备方法及其应用
    • US20070004591A1
    • 2007-01-04
    • US10565960
    • 2004-07-29
    • Keiji ItabashiMasashi HaradaKoichi Sato
    • Keiji ItabashiMasashi HaradaKoichi Sato
    • B01J20/00
    • B01J20/186F24F2203/1036F25B17/08
    • An adsorbent comprising zeolite exhibiting a moisture adsorption of at least 28 wt. % at 25° C. under a partial pressure of water vapor of 5 Torr, and exhibiting a moisture adsorption difference of 15-25 wt. % between a moisture adsorption at 25° C. under a partial pressure of water vapor of 5 Torr and a moisture adsorption at 100° C. under a partial pressure of water vapor of 15 Torr. This adsorbent is produced by ion-exchanging an exchangeable cation in a zeolite, and then, heat-treating the cation-exchanged zeolite in an air or nitrogen stream, or with steam. The adsorbent exhibits a large moisture adsorption at ordinary temperature under a relatively low partial pressure of water vapor and a small moisture adsorption at a relatively low regeneration temperature, and thus, has an enhanced effective moisture adsorption, and is used for a zeolite-water heat pump system and an open cycle moisture adsorption-desorption system.
    • 含有至少28重量%水分吸附的沸石的吸附剂 %,在25°C的水蒸汽分压为5乇下,表现出15-25wt。%的吸湿差。 在25乇的水分吸附下,在5乇的水蒸气的分压下,在100乇的水分吸附下,在15乇的水蒸汽的分压下进行吸湿。 该吸附剂通过在沸石中离子交换可交换阳离子,然后在空气或氮气流中或与蒸汽热处理阳离子交换的沸石来制备。 吸附剂在相对较低的水蒸气分压和较低的再生温度下的吸湿性较小的情况下,在常温下表现出大的吸湿性,因此具有增强的有效吸湿性,并用于沸石 - 水热 泵系统和开放循环水分吸附 - 解吸系统。