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Asahi Chemical Industry Co Ltd
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Asahi Chemical Industry Co Ltd
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Application filed by Asahi Chemical Industry Co LtdfiledCriticalAsahi Chemical Industry Co Ltd
Priority to JP50121630ApriorityCriticalpatent/JPS5245586A/en
Publication of JPS5245586ApublicationCriticalpatent/JPS5245586A/en
PURPOSE: After adding a cationic surfactant, water to be treated containing anionicsurfactants is contacted with an anion exchanger to prevent contamination of the anion exchanger due to organic matters and enable continuous operation over a long time.