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    • 4. 发明申请
    • ION EXCHANGE PROCESS
    • 离子交换过程
    • US20170028395A1
    • 2017-02-02
    • US15303934
    • 2015-04-15
    • TRAILBLAZER TECHNOLOGIES (PTY) LTD
    • John Arthur BEWSEY
    • B01J47/10C02F1/42B01J39/18B01J49/00B01J41/12
    • B01J47/10B01J39/12B01J39/18B01J41/12B01J49/16C02F1/42C02F2001/422C02F2001/425
    • Disclosed herein is a process for carrying out an ion exchange process which involves providing two interacting sets of banks of continuously stirred tank reactors (CSTR's) each containing a bed of ion exchange resin and causing the resin to move in one direction through each bank of reactors and the feed solution and/or or eluant in the opposite direction. In carrying out the process, a feed solution is introduced in a first reactor causing dissolved ions to be captured on the resin, eluant is introduced into a reactor upstream of the first reactor in the direction of resin movement causing ions captured on the resin to be removed into the eluant and eluant rich in ions removed from the resin will be taken from a reactor upstream of the reactor in which the eluant was introduced, for further processing. Thus, in this form of the invention there is, in effect, a loading bank of reactors in which ions from the feed solution are captured followed by a regenerating bank of reactors in which the eluant removes the ions captured on the resin and regenerates the resin.
    • 本文公开了一种用于进行离子交换过程的方法,该方法涉及提供两个相互作用的连续搅拌釜式反应器组(CSTR's)的组,每组含有离子交换树脂床,并使树脂在一个方向上移动通过每一组反应器 和进料溶液和/或洗脱液在相反方向。 在进行该方法时,将进料溶液引入第一反应器中,使溶解的离子捕获在树脂上,将洗脱液沿着树脂移动的方向引入第一反应器上游的反应器,导致在树脂上捕获的离子为 从洗脱剂中除去富含离子的离子的洗脱液将从其中引入洗脱剂的反应器上游的反应器中取出,以进一步处理。 因此,在本发明的这种形式中,实际上存在一个反应​​器的装载组,其中捕获来自进料溶液的离子,随后再生一批反应器,其中洗脱剂除去捕获在树脂上的离子并再生树脂 。
    • 9. 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。