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Process for producing a low-grade sodium chloride bleaching lye
Process for producing a low-grade sodium chloride bleaching lye
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机译:生产低品位氯化钠漂白液的方法
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摘要
The process for preparing a bleaching liquor which is low in sodium chloride from a bleaching liquor which is high in sodium chloride by crystallisation of sodium hypochloride at below -10 DEG C and removal and thawing of the crystals is characterised in that crystallisation is carried out in the presence of the sodium salt of a weak acid.
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