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    • 4. 发明公开
    • PROCESS FOR THE MANUFACTURE OF SHPERICAL BODIES BY SELECTIVE AGGLOMERATION
    • 用于生产球体通过选择性卫星城。
    • EP0277117A1
    • 1988-08-10
    • EP86904615.0
    • 1986-07-02
    • CHEVRON RESEARCH COMPANY
    • RAINIS, Andrew
    • B01J37
    • B01J37/0009
    • Preparation of small substantially spherical solid catalysts. More particularly, the process produces strong solid substantially spherical agglomerates comprising inorganic materials, which process comprises: (a) mixing at high speed a portion of an inorganic material in the form of hydrophilic micron-sized particles in a water-immiscible liquid thereby forming a dispersion; (b) gradually adding to the dispersion an aqueous phase while continuing the high speed mixing until substantially spherical microagglomerates form within the water-immiscible liquid; (c) subjecting the microagglomerates to agitation in a vessel having a hydrophobic inner surface at a speed low enough to achieve substantially uniformly sized spherical agglomerates; (d) drying the agglomerates to produce hardened substantially spherical uniformly sized agglomerates; and (e) optionally further separating the agglomerates by size. Optionally, the aqueous phase in step (b) may include the soluble salts of catalytic metals, acids and bases and/or colloidal-sized inorganic particles. These spherical particles have diameters generally between 1 to 5 millimeters and are useful as catalysts, or catalyst supports, where the catalytic components are subsequently deposited on the support.
    • 5. 发明授权
    • PROCESS FOR THE MANUFACTURE OF SHPERICAL BODIES BY SELECTIVE AGGLOMERATION
    • 通过选择性组合制造精密体的方法
    • EP0277117B1
    • 1990-04-11
    • EP86904615.1
    • 1986-07-02
    • CHEVRON RESEARCH COMPANY
    • RAINIS, Andrew
    • B01J35/08
    • B01J37/0009
    • Preparation of small substantially spherical solid catalysts. More particularly, the process produces strong solid substantially spherical agglomerates comprising inorganic materials, which process comprises: (a) mixing at high speed a portion of an inorganic material in the form of hydrophilic micron-sized particles in a water-immiscible liquid thereby forming a dispersion; (b) gradually adding to the dispersion an aqueous phase while continuing the high speed mixing until substantially spherical microagglomerates form within the water-immiscible liquid; (c) subjecting the microagglomerates to agitation in a vessel having a hydrophobic inner surface at a speed low enough to achieve substantially uniformly sized spherical agglomerates; (d) drying the agglomerates to produce hardened substantially spherical uniformly sized agglomerates; and (e) optionally further separating the agglomerates by size. Optionally, the aqueous phase in step (b) may include the soluble salts of catalytic metals, acids and bases and/or colloidal-sized inorganic particles. These spherical particles have diameters generally between 1 to 5 millimeters and are useful as catalysts, or catalyst supports, where the catalytic components are subsequently deposited on the support.