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    • 3. 发明专利
    • Zeolite-membrane supporting base material and zeolite-membrane composite body
    • 支撑基底材料和沸石 - 薄膜复合材料的ZEOLITE-MEMBRANE
    • JP2005125313A
    • 2005-05-19
    • JP2004252799
    • 2004-08-31
    • Kobe Steel Ltd株式会社神戸製鋼所
    • TANAKA TAKEHARUMITANI HIROYUKIYAMAMOTO KOJIYURA KEITASATO TOSHIKI
    • B01D69/10B01D71/02C01B39/14C01B39/22C01B39/24
    • PROBLEM TO BE SOLVED: To provide a zeolite-membrane supporting base material capable of preferably forming a film from a zeolite excepting a high-silica zeolite, and to provide a zeolite-membrane composite body.
      SOLUTION: (1) The zeolite-membrane supporting base material is a base material for supporting a zeolite membrane, wherein a metal oxide layer is formed on the surface of a metallic base material. (2) In the zeolite-membrane supporting base material, a thickness of the metal oxide layer is 1 nm-10 μm, the metallic base material is porous, an average pore diameter is ≥10 nm and ≤50 μm, the metallic base material is an iron-based metal, and the metal oxide layer is composed of chromia, silica or alumina. (3) The zeolite membrane composite body has the zeolite membrane which is formed on the surface of a metal-oxide layer forming side and/or in a pore inner part, of the zeolite-membrane supporting base material. (4) In the zeolite-membrane supporting base material, the zeolite membrane is a zeolite of SiO
      2 /Al
      2 O
      3 ≤10.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够优选由除了高硅石沸石之外的沸石形成膜的沸石膜支撑基材,并提供沸石 - 膜复合体。 解决方案:(1)沸石膜支撑基材是用于支撑沸石膜的基材,其中金属氧化物层形成在金属基材的表面上。 (2)在沸石膜支撑基材中,金属氧化物层的厚度为1nm〜10μm,金属基材多孔,平均孔径为≥10nm,≤50μm,金属基材 是铁基金属,金属氧化物层由氧化铬,二氧化硅或氧化铝构成。 (3)沸石膜复合体在沸石膜支撑基材的形成有金属氧化物层的表面和/或孔内部的表面上形成沸石膜。 (4)在沸石膜支撑基材中,沸石膜是SiO 2 / SB 3 / SB 3 / SB 3的沸石。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Method for concentrating 2,6-dimethylnaphthalene
    • 浓缩2,6-二甲基苯乙烯的方法
    • JP2003026614A
    • 2003-01-29
    • JP2001214141
    • 2001-07-13
    • Kobe Steel Ltd株式会社神戸製鋼所
    • NAKAO NOBORUYAMAMOTO KOJIMOTOYUKI MASAHIRO
    • B01D15/00C07C7/12C07C7/13C07C15/24
    • C07C7/13C07C15/24
    • PROBLEM TO BE SOLVED: To provide a method for selectively concentrating 2,6- dimethylnaphthalene from a mixture of dimethylnaphthalene isomers using an adsorption column through maximally eliciting adsorbent performance.
      SOLUTION: This method for selectively concentrating 2,6- dimethylnaphthalene from the mixture of the dimethylnaphthalene isomers using the adsorption column for attaining a high concentration level involves setting the value of (u
      1/3 /ε)d
      -5/3 [m
      5/3 sec
      -1/3 kg
      -1 ] at ≥14 to enable the rate of concentration of 2,6-dimethylnaphthalene to 2,7-dimethylnaphthalene to be 2.0 [where, u (m/s) is a linear velocity of the mixture of the dimethylnaphthalene isomer solution to be fed to the adsorption column; ε (kg/m
      3 ) is a packing density of the adsorbent; and d (m) is a granular size of the adsorbent].
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种使用吸附塔从二甲基萘异构体的混合物中选择性浓缩2,6-二甲基萘的方法,通过最大限度地引发吸附剂性​​能。 解决方案:使用吸附塔从二甲基萘异构体的混合物中选择性浓缩2,6-二甲基萘以获得高浓度水平的方法包括设定(u <1/3 /ε)d <-5/3 > [m <5/3> sec <-1/3> kg -1],使得2,6-二甲基萘对2,7-二甲基萘的浓度为2.0 [其中u (m / s)是待进料到吸附塔的二甲基萘异构体溶液的混合物的线速度; ε(kg / m 3)是吸附剂的填充密度; d(m)为吸附剂的粒径]。