Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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Filing date
Publication date
Application filed by Oki Electric Industry Co LtdfiledCriticalOki Electric Industry Co Ltd
Priority to JP6537075ApriorityCriticalpatent/JPS51141773A/en
Publication of JPS51141773ApublicationCriticalpatent/JPS51141773A/en
Publication of JPS5243621B2publicationCriticalpatent/JPS5243621B2/ja
Treatment Of Water By Oxidation Or Reduction
(AREA)
Abstract
PURPOSE: Metal concentrations in effluent are made to conform to effluent standard specified in pollution Control Law and at the same time EDTA is recovered, using a reducing agent in place of electric decomposition.
COPYRIGHT: (C)1976,JPO&Japio
JP6537075A1975-06-021975-06-02A process for recovering metals and edta from plating waste solutiowit h edta as a chelating agent
GrantedJPS51141773A
(en)