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    • 49. 发明专利
    • Zeolite powder with high fluidity and its manufacture
    • 具有高流动性的沸石粉及其制造
    • JPS5738317A
    • 1982-03-03
    • JP10981480
    • 1980-08-12
    • Toyo Soda Mfg Co Ltd
    • MIYAZAKI HIROSHIARIGA JIYUNJI
    • C01B39/02C11D3/12
    • C11D3/128C01B39/026
    • PURPOSE: To obtain zeolite powder with high fluidity capable of well coping with the prevention of cross-linking by reacting starting materials, carrying out crystallization, and treating the reaction product contg. zeolite under specified conditions.
      CONSTITUTION: This zeolite is represented by the formula (where n is 1.8W3.0 and w is 1W6), contains ≥99wt% particles having 1W5μm particle size, and has ≥0.3g/cc slackness bulk specific gravity, ≤56% degree of aggregation and ≥30 sum total of indexes (total fluidity index) obtd. from physical values about angle of repose, angle of spatula, degree of compression and degree of aggregation. An Al
      2 O
      3 source and an SiO
      2 source are reacted with alkali and crystallized with hot water. The reaction product is filtered and washed to prepare an aqueous slurry of ≤12.8pH contg. about 30W52wt% anhydrous zeolite. To the slurry is then added sodium aluminate by about 0.1W1.5pts.wt. basing on 100pts.wt. of anhydrous zeolite, and the slurry adjusted to ≤11pH is dried to obtain the product. The conditions in each process are essential; the desired product is not obtd. even if one of the conditions is not satisfied.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:获得具有高流动性的沸石粉末,能够很好地应对起始原料反应,结晶反应和处理反应产物的交联反应。 沸石在规定条件下。 构成:该沸石由式(其中n为1.8-3.0,w为1-6)表示,含有> = 99重量%的粒径为1-5μm的颗粒,并且具有> = 0.3g / cc松弛体积比重, <= 56%聚集度,> = 30个指标总和(总流动指数)总和。 从关于休止角度,刮刀角度,压缩程度和聚集度的物理值。 使Al 2 O 3源和SiO 2源与碱反应并用热水结晶。 将反应产物过滤并洗涤以制备<= 12.8pH的含水浆液。 约30-52重量%的无水沸石。 然后向浆料中加入约0.1-1.5pts.wt。 基于100pts.wt。 的无水沸石,将调节至<= 11pH的浆料干燥,得到产物。 每个过程中的条件是至关重要的; 所需的产品不是有效的。 即使其中一个条件不满意。