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References (3)
-
L. Augstein (1989)
Beitrag zur Optimierung der elektrochemischen Kupfer/Zinn‐Trennung und Rückgewinnung bei der Regenerierung von salzsauren Ätzkonzentraten -
A. Anonymus (1985)
Rahmenforderungen an die Qualität solcher Abprodukte, die Metallverbindungen enthalten und in Betrieben der Metallurgie und Chemie verarbeitbar sind -
K. Kermer (1987)
Physikalisch‐Chemische Verfahren zur Wasser‐, Abwasser‐, Schlammbehandlung und Wertstoffrückgewinnung, Teil 2
- Publisher
- Wiley
- Copyright
- Copyright © 1991 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 0323-4320
- eISSN
- 1521-401X
- DOI
- 10.1002/aheh.19910190406
- Publisher site
- See Article on Publisher Site
Abstract
After an introductory description of the importance of heavy metal ions in the environment and a representation of the etching process of copper‐tin alloys with copper(II)‐chloride, the fundamentals of the electrochemical treatment of the spent etching solutions are stated. Different electrode materials were tested in laboratory experiments with model solutions (0.35 … 0.70 = HCl, 5 g/l Cu2+ and 2.5 g/l Sn2+). The best separation of copper and tin was achieved at a current density of 1.25 A/dm2. A proposal for the technological design is made with which a maximum reduction of the sewage loading occurs.
Journal
Acta hydrochimica et hydrobiologica – Wiley
Published: Jan 1, 1991