Abstract
Electrochemical treatment of real acidic effluent of copper phthalocyanine dye manufacturing plant with a view to explore the feasibility of the simultaneous removal of copper and phthalocyanine using a bipolar disc electrochemical reactor has been investigated. Experiments were conducted in a bipolar capillary gap disc stack electrochemical reactor under batch recirculation mode. Electrodes were RuO2 and IrO2 coated on titanium as anode and titanium as cathode. Effects of current density, electrolysis time and effluent flow rate on copper recovery and simultaneous COD removal and energy consumption were critically examined. The current density of 2.5Adm-2 and flow rate of 20Lh-1 achieved 91.1% COD removal and 90.1% copper recovery with the energy consumption of 50.86kWhkg-1 for COD removal and simultaneous recovery of copper in a bipolar disc stack reactor.
| Original language | English |
|---|---|
| Pages (from-to) | 552-559 |
| Number of pages | 8 |
| Journal | Chemical Engineering Research and Design |
| Volume | 91 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 2013 |
Bibliographical note
Funding Information:One of the authors (CAB) thanks the Korean Federation of Science and Technology Societies Grant funded by Korea Government (MEST, Basic Research Promotion Fund) (No. 101S-4-3-0270 ) for the financial support of this work.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Batch recirculation
- Bipolar disc stack reactor
- Copper recovery
- Electrochemical oxidation
- Phthalocyanine removal
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