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    • 2. 发明公开
    • 고강력, 저염 소디움하이포클로라이트 표백제의 제조 방법
    • 高强度,低盐低磷酸盐漂白剂的制备
    • KR1020090097937A
    • 2009-09-16
    • KR1020097014826
    • 2007-12-28
    • 파웰 테크놀로지스 엘엘씨 (어 미시건 리미티드 라이어빌리티 컴퍼니)
    • 파웰,두안제이.베보우,로버트비.하드맨,브렌트제이.
    • C01B11/04C11D7/54
    • C01B11/062
    • A method for continuous manufacture of higher-strength, lower-salt, aqueous sodium hypochlorite bleach from lower-strength aqueous sodium hypochlorite bleach that has some sodium hydroxide and that is essentially free of sodium chloride (salt) crystals, aqueous sodium hydroxide solution having a concentration by weight within a range from about 45% to about 51%, chlorine in gas and/or liquid phase that may or may not include inerts, and a recycle solution. Slurry is withdrawn from the tank at a level below where the lower-strength bleach, the sodium hydroxide solution, the chlorine, and the recycle solution begin to mix with slurry already in the tank. A first portion of the slurry is withdrawn and used as the recycle solution. A second portion of the slurry is withdrawn and processed to separate substantially all salt crystals from residual liquid that is recovered as the higher-strength lower-salt, aqueous sodium hypochlorite bleach.
    • 从具有一些氢氧化钠并且基本上不含氯化钠(盐)晶体的低强度次氯酸钠漂白剂连续制造较高强度,低盐的次氯酸钠水溶液的方法,其具有 浓度在约45%至约51%的范围内,气体和/或液相中可能含有或不包括惰性气体的氯,以及再循环溶液。 将淤浆从低于其下的低强度漂白剂,氢氧化钠溶液,氯气和再循环溶液开始与已经在罐中的浆料混合的水平段从罐中取出。 取出第一部分浆料并用作再循环溶液。 将浆料的第二部分取出并处理以将基本上所有的盐晶体与作为较高强度的低级盐酸次氯酸钠漂白剂回收的残余液体分离。