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    • 3. 发明授权
    • Processes for deionization and demineralization of fluids
    • 流体去离子和去矿物质的过程
    • US5863438A
    • 1999-01-26
    • US856897
    • 1997-05-15
    • Arthur Katzakian, Jr.Donald C. McGeheeCharles E. GrixFrank A. Brigano
    • Arthur Katzakian, Jr.Donald C. McGeheeCharles E. GrixFrank A. Brigano
    • B01J39/04B01J47/10C02F1/42
    • B01J47/105B01J39/046
    • Processes for deionization and demineralization of a fluid containing ions comprising:(a) Loading an amine or ammonia buffer onto a first weakly acidic cation exchange resin to occupy cation exchange sites and to form a first bed comprising a first amine-buffered resin;(b) Passing said fluid containing ions through said first bed comprising said first amine-buffered resin and exchanging cations of said fluid for amine cations of said first amine-buffered resin to form a first effluent comprising an anion-buffer salt complex;(c) Passing said anion-buffer salt complex through a first weakly basic anion exchange resin where an anion portion of said anion-buffer salt complex is split from said anion-buffer salt complex by adsorption of said anion portion onto said weakly basic anion exchange resin to form a second effluent comprising buffer in free hydrated base form;(d) Passing said buffer in free hydrated base form to a second weakly acidic cation exchange resin where said buffer loads onto said second weakly acidic cation exchange resin as in step (a) and repeating the process of steps (b)-(d); and(e) Regenerating said first weakly acidic cation exchange resin with an organic acid.
    • 含离子流体的去离子和去矿物质的方法包括:(a)将胺或氨缓冲剂加载到第一弱酸性阳离子交换树脂上以占据阳离子交换位点并形成包含第一胺缓冲树脂的第一床; (b)使含有离子的所述流体通过包含所述第一胺缓冲树脂的所述第一床和所述流体的阳离子交换所述第一胺缓冲树脂的胺阳离子,以形成包含阴离子 - 缓冲盐络合物的第一流出物; (c)使所述阴离子 - 缓冲盐络合物通过第一弱碱性阴离子交换树脂,其中所述阴离子 - 缓冲盐络合物的阴离子部分从所述阴离子 - 缓冲盐络合物中分离,通过将所述阴离子部分吸附到所述弱碱性阴离子交换 树脂以形成包含游离水合碱形式的缓冲液的第二流出物; (d)将所述缓冲液以游离水合碱形式通入第二弱酸性阳离子交换树脂,其中如步骤(a)中所述缓冲剂负载在所述第二弱酸性阳离子交换树脂上,并重复步骤(b) - (d)的方法, ; 和(e)用有机酸再生所述第一弱酸性阳离子交换树脂。
    • 8. 发明授权
    • Processes for deionization and demineralization of fluids
    • 流体去离子和去矿物质的过程
    • US5665239A
    • 1997-09-09
    • US585821
    • 1996-01-16
    • Arthur Katzakian, Jr.Donald C. McGeheeCharles E. GrixFrank A. Brigano
    • Arthur Katzakian, Jr.Donald C. McGeheeCharles E. GrixFrank A. Brigano
    • B01J39/04B01J47/10B01D15/08
    • B01J47/105B01J39/046
    • Processes for deionization and demineralization of a fluid containing ions comprising:(a) Loading an amine or ammonia buffer onto a first weakly acidic cation exchange resin to occupy cation exchange sites and to form a first bed comprising a first amine-buffered resin;(b) Passing said fluid containing ions through said first bed comprising said first amine-buffered resin and exchanging cations of said fluid for amine cations of said first amine-buffered resin to form a first effluent comprising an anion-buffer salt complex;(c) Passing said anion-buffer salt complex through a first weakly basic anion exchange resin where an anion portion of said anion-buffer salt complex is split from said anion-buffer salt complex by adsorption of said anion portion onto said weakly basic anion exchange resin to form a second effluent comprising buffer in free hydrated base form;(d) Passing said buffer in free hydrated base form to a second weakly acidic cation exchange resin where said buffer loads onto said second weakly acidic cation exchange resin as in step (a) and repeating the process of steps (b)-(d); and(e) Regenerating said first weakly acidic cation exchange resin with an organic acid.
    • 含离子流体的去离子和去矿物质的方法包括:(a)将胺或氨缓冲剂加载到第一弱酸性阳离子交换树脂上以占据阳离子交换位点并形成包含第一胺缓冲树脂的第一床; (b)使含有离子的所述流体通过包含所述第一胺缓冲树脂的所述第一床和所述流体的阳离子交换所述第一胺缓冲树脂的胺阳离子,以形成包含阴离子 - 缓冲盐络合物的第一流出物; (c)使所述阴离子 - 缓冲盐络合物通过第一弱碱性阴离子交换树脂,其中所述阴离子 - 缓冲盐络合物的阴离子部分从所述阴离子 - 缓冲盐络合物中分离,通过将所述阴离子部分吸附到所述弱碱性阴离子交换 树脂以形成包含游离水合碱形式的缓冲液的第二流出物; (d)将所述缓冲液以游离水合碱形式通入第二弱酸性阳离子交换树脂,其中如步骤(a)中所述缓冲剂负载在所述第二弱酸性阳离子交换树脂上,并重复步骤(b) - (d)的方法, ; 和(e)用有机酸再生所述第一弱酸性阳离子交换树脂。