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    • 6. 发明申请
    • IMPROVED HYPOCHLOROUS ACID PROCESS
    • 改进的酸性过程
    • WO1990005111A1
    • 1990-05-17
    • PCT/US1989004851
    • 1989-10-30
    • OLIN CORPORATION
    • OLIN CORPORATIONMELTON, James, KennethHILLIARD, Garland, E.SHAFFER, John, H.WOJTOWICZ, John, A.
    • C01B11/04
    • C01B11/04
    • A process for producing hypochlorous acid by reacting an aqueous solution of an alkali metal hydroxide in droplet form with gaseous chlorine to produce hypochlorous acid vapor and solid alkali metal chloride particles in which the improvement comprises employing molar ratios of gaseous chlorine to the alkali metal hydroxide of at least about 22:1. The process achieves high yields of hypochlorous acid by minimizing side reactions including the formation of chlorate as an impurity in the alkali metal chloride particles produced. The hypochlorous acid solution produced contains from about 35 to about 60 percent by weight of HOCl, a dissolved chlorine concentration of less than about 2 percent by weight, and is substantially free of alkali metal ions and chloride ions.
    • 通过使液滴形式的碱金属氢氧化物的水溶液与气态氯反应以产生次氯酸蒸气和固体碱金属氯化物颗粒来生产次氯酸的方法,其中改进包括使用气态氯与碱金属氢氧化物的摩尔比 至少约22:1。 该方法通过最小化副反应(包括在所生产的碱金属氯化物颗粒中形成作为杂质的氯酸盐)来实现次高氯酸的高产率。 产生的次氯酸溶液含有约35至约60重量%的HOCl,溶解氯浓度小于约2重量%,并且基本上不含碱金属离子和氯离子。