Process for purifying alkali metal hydroxide or carbonate solutions
    1.
    发明授权
    Process for purifying alkali metal hydroxide or carbonate solutions 失效
    碱金属氢氧化物或碳酸盐溶液的纯化方法

    公开(公告)号:US4154801A

    公开(公告)日:1979-05-15

    申请号:US874295

    申请日:1978-02-01

    申请人: Robert M. Wheaton

    发明人: Robert M. Wheaton

    摘要: Highly purified alkali metal hydroxide and carbonate solutions are obtained by treating self-contaminated solutions thereof with composite ion exchange resin bodies having low residual amounts of quaternary ammonium cation not intimately associated with carboxylate anions to minimize inorganic chloride and chlorate anion leakage.

    摘要翻译: 通过用与羧酸根阴离子不密切相关的低残留量的季铵阳离子的复合离子交换树脂体处理其自身污染的溶液来获得高度纯化的碱金属氢氧化物和碳酸盐溶液,以使无机氯化物和氯酸盐阴离子泄漏最小化。

    Composite ion exchange resins having low residual amounts of quaternary
ammonium cation
    2.
    发明授权
    Composite ion exchange resins having low residual amounts of quaternary ammonium cation 失效
    具有低残留量的季铵阳离子的复合离子交换树脂

    公开(公告)号:US4150205A

    公开(公告)日:1979-04-17

    申请号:US874294

    申请日:1978-02-01

    申请人: Robert M. Wheaton

    发明人: Robert M. Wheaton

    CPC分类号: C01D1/32 B01J43/00 C01D7/26

    摘要: Improved composite ion exchange resin bodies comprising a reaction product of an ingredient containing carboxylate anions polymerized within a strong base anion exchange resin, said resin bodies having low residual amounts of quaternary ammonium cation not intimately associated with said carboxylate anions to minimize inorganic chloride and chlorate anion leakage in ion exchange column operation.

    摘要翻译: 改进的复合离子交换树脂体包括在强碱性阴离子交换树脂中聚合的含有羧酸根阴离子的成分的反应产物,所述树脂体具有低残留量的季铵阳离子,其与所述羧酸根阴离子不密切相关,以使无机氯化物和氯酸根阴离子最小化 离子交换柱运行时泄漏。

    office
    9.
    发明授权
    office 失效

    公开(公告)号:US453829A

    公开(公告)日:1891-06-09

    申请号:US453829D

    CPC分类号: C01D1/32

    Method For Purifying Aqueous Alkaline Solution
    10.
    发明申请
    Method For Purifying Aqueous Alkaline Solution 有权
    纯碱水溶液的方法

    公开(公告)号:US20080078722A1

    公开(公告)日:2008-04-03

    申请号:US11632707

    申请日:2005-08-04

    申请人: Keiji Ando

    发明人: Keiji Ando

    IPC分类号: B01J49/00

    摘要: A method for purifying an aqueous alkaline solution, which comprises: bringing a fibrous activated carbon into contact with an aqueous alkaline solution-to remove a metal component other than alkali metals and alkaline earth metals from the aqueous alkaline solution.

    摘要翻译: 一种净化碱性水溶液的方法,其包括:使纤维活性炭与碱性水溶液接触,以从碱性水溶液中除去碱金属和碱土金属以外的金属成分。