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发明名称
高纯度次氯酸钠五水合物及次氯酸钠水溶液之制造方法;PRODUCTION PROCESSES OF HIGH-PURITY SODIUM HYPOCHLORITE PENTAHYDRATE AND AQUEOUS SODIUM HYPOCHLORITE SOLUTION
摘要
本发明提供一种以高收率有效地制造高纯度次氯酸钠水溶液之方法。;本发明之方法之特征系包含下述步骤:将氯气导入氢氧化钠水溶液中进行氯化反应之氯化步骤、自反应液分离氯化步骤中析出之副生氯化钠而获得滤液1之分离步骤(1)、使滤液1冷却而析出高纯度次氯酸钠五水合物之结晶1之晶析步骤(1)、自经过晶析步骤(1)之反应液分离回收结晶1,同时获得滤液2之分离步骤(2)、在次氯酸钠五水合物之种晶存在下使滤液2冷却而析出高纯度次氯酸钠五水合物之结晶2之晶析步骤(2)、与自经过晶析步骤(2)之反应液分离回收结晶2,同时获得滤液3之分离步骤(3)。
申请公布号
TW201524894
申请公布日期
2015.07.01
申请号
TW103145277
申请日期
2014.12.24
申请人
昭和电工股份有限公司 SHOWA DENKO K. K.
发明人
田口真一郎 TAGUCHI, SHINICHIRO;寺尾隆史 TERAO, TAKAFUMI;山崎久美子 YAMAZAKI, KUMIKO;村川美奈子 MURAKAWA, MINAKO
分类号
C01B11/06(2006.01)
主分类号
C01B11/06(2006.01)
代理机构
代理人
林志刚
主权项
地址
日本 JP
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