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51. 发明授权

US4060465A Method of purifying the raw brine used in alkali salt electrolysis 失效
标题翻译：碱盐电解中使用的原料盐水的净化方法
公开(公告)号：US4060465A
公开(公告)日：1977-11-29
申请号：US639409
申请日：1975-12-10
申请人： Noriyuki Yokota , Shingo Tokuda , Yoshiro Ito , Kenji Itaya
发明人： Noriyuki Yokota , Shingo Tokuda , Yoshiro Ito , Kenji Itaya
IPC分类号： C01D3/14 , C25B15/08 , C25B1/00 , C25B1/26
CPC分类号： C01D3/145 , C25B15/08
摘要： A method of purifying the raw brine used in the electrolysis of the aqueous NaCl or KCl solution by removing the Mg and Ca ions from said brine, which comprises contacting said brine with a member selected from the group consisting ofA. the chelate-forming water-insoluble resins capable of forming an intramolecular complex with the Mg and Ca ions said resins being selected from the class consisting of the styrene-butadiene copolymer resins containing the group .ltoreq.N--CH.sub.2 COOH, the epichlorohydrin polymer resins containing the group >N--CH.sub.2 COOH, the N-phenyl glycine-glycidyl methacrylate copolymer resins containing the group >N--CH.sub.2 COOH and the styrene-divinylbenzene copolymer resins containing the group >N--CH.sub.2 COOH; andB. the water-insoluble adsorbent solids adsorptively supporting a chelate-forming compound selected from the group consisting of the aminoacetic acids containing at least one >N--CH.sub.2 COOH in their molecular structure and the oligomers and the alkali metal salts thereof.
摘要翻译：一种通过从所述盐水中除去Mg和Ca离子来净化用于电解NaCl水溶液或KCl溶液的原料盐水的方法，该方法包括使所述盐水与选自下组的组分接触：成型水可用于形成具有Mg和Ca离子的分子内复合物的不溶性树脂，所述树脂选自包含基团N-CH 2 COOH的苯乙烯 - 丁二烯共聚物树脂，含有基团> N- CH2COOH，含有基团> N-CH2COOH的N-苯基甘氨酸 - 甲基丙烯酸缩水甘油酯共聚物树脂和含有基团> N-CH 2 COOH的苯乙烯 - 二乙烯基苯共聚物树脂; B.水不溶性吸附剂固体特别支持从其分子结构中含有至少一个> N-CH 2 COOH的氨基酸组成的组中选择的形成烯烃的化合物及其低聚物及其碱金属盐。

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