Preparation of zeolite membranes and their pervaporation properties

沸石膜的制备及其渗透汽化性能

• 批准号: 06805069
• 负责人: KITA Hidetoshi
• 金额: $ 1.15万
• 依托单位: Yamaguchi University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-06805069/
• 关键词: Membrane Separation; Inorganic Membrane; Zeolite Membrane; Pervaporation; Hydrothemal Synthesis; Membrane Reactor; Molecular Sieving; 分子ふるい; パ-べ-パレーション

Zeolite membranes were grown hydrothermally on the surface of a porous cylindrical substrate of alumina and were characterized by X-ray diffraction and scanning electron microscopy. The surface of the alumina support was completely covered with zeolite crystals and the thickness of the membrane was about 30-50 mu m. The NaA zeolite membrane permeated water preferentially with the high permeation flux in pervaporation for water/organic liquid mixtures. On the other hand, the ZSM-5 zeolite membrane permeated alcohol in pervaporation for water/alcohol mixtures and the Y-type zeolite membrane permeated alcohol in pervaporation for benzene/alcohol and methyl-t-butyl ether/alcohol mixtures. The performance of zeolite membrane is the most favorable one for pervaporation membranes which have been published. Possible transport mechanisms through the membranes for separation were outlined and their potential applications in membrane reactors were also discussed.

采用水热法在氧化铝多孔圆柱体表面上制备了沸石膜，并通过X射线衍射和扫描电子显微镜进行了表征。氧化铝载体的表面完全被沸石晶体覆盖，膜的厚度约为30-50 μ m。NaA分子筛膜对水/有机物混合液的渗透汽化具有较高的渗透通量和优先透过水的特性。另一方面，ZSM-5分子筛膜渗透汽化的水/醇的混合物和Y型分子筛膜渗透汽化的苯/醇和甲基叔丁基醚/醇的混合物中的醇的渗透。沸石分子筛膜是目前已发表的渗透汽化膜中性能最好的一种。概述了其可能的膜传递机理，并讨论了其在膜反应器中的应用前景。

项目成果

H.Kita: "Pervaporation through Zeolite Membranes" Maku (Membrane). 20. 169-182 (1995)

H.Kita：“通过沸石膜渗透蒸发”Maku（膜）。

喜多,英敏: "Pervaporation of water/organic liquis mixtures using a zeolite NaA membrane" Proc.7th Int.Conf.on Pervaporation Precesses. (印刷中). (1995)

Kita, Hidetoshi：“使用 NaA 沸石膜的水/有机液体混合物的渗透蒸发”Proc.7th Int.Conf.on Pervaporation Precesses（正在出版）。

喜多,英敏: "ゼオライト膜の微細構造と分離機能" 化学工学シンポジウムシリーズ. (印刷中).

Kita，Hidetoshi：“沸石膜的精细结构和分离功能”化学工程研讨会系列（正在出版）。

M.Yamamoto, N.Munehisa, M.Kaibara, K.Horii, K.Tanaka, H.Kita, K.Okamoto: "Vapor-Permeation-Aided Esterification of Oleic Acid-Application of Pressurized Vapor Circulation System and Zeolite Membrane-" Maku (Membrane). 20. 143-148 (1995)

M.Yamamoto、N.Munehisa、M.Kaibara、K.Horii、K.Tanaka、H.Kita、K.Okamoto：“油酸的蒸气渗透辅助酯化-加压蒸气循环系统和沸石膜的应用-”

山本,益司: "オレイン酸のエステル化反応への蒸気透過法分離の適用" 膜. 20. 143-148 (1995)

Yamamoto，Masuji：“蒸汽渗透分离在油酸酯化反应中的应用”膜。20。143-148（1995）。