发明申请
US20050115901A1 Preparation of waste water containing sodium chloride for use in chlor-alkali electrolysis 审中-公开
制备含氯化钠的废水用于氯碱电解

Preparation of waste water containing sodium chloride for use in chlor-alkali electrolysis
摘要:
The present invention relates to a process for the treatment of waste waters containing common salt, characterised in that, by a specific sequence of acidification, extraction, alkalisation and stripping steps, an aqueous common salt solution is obtained, which can be used directly in chlor-alkali electrolysis.
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