公开(公告)号：DE2847435A1

公开(公告)日：1980-05-22

申请号：DE2847435

申请日：1978-11-02

Applicant: DAMBACH GUETLING GMBH

Inventor： OSWALD ERNST ING GRAD ,  SCHWERING HANS-ULRICH DR

IPC: B01J39/04 ,  B01J39/05 ,  B01J41/05 ,  B01J49/00 ,  B01J49/08 ,  C02C5/08

Abstract: Waste waters are purified from metals, esp. low concns. of metal cations and anion-active metal complexes, by passing consecutively through an anion exchanger in sulphate form as well as through a cation exchanger in Na from. Waste waters contg. metal complexes, esp. Cu, Cu salts and Cu-EDTA, can be purified sufficiently for discharge into sewer system.