Abstract
Electrochemical oxidation of organic pollutants present in the dye-bath and wash water effluents from the textile industry was carried out in batch, batch recirculation and recycle reactor configurations under different conditions of current density, treatment duration, effluent flow rate and electrode specific surface. COD reduction of 52.63% to 82.61% could be obtained when the Procion blue dye-bath effluent was treated in the batch reactor for 8h. In batch recirculation reactor, the reduction was 94.3% for dye-bath effluent and 91.4 for wash water effluent after 6h of operation at a current density of 5.0Adm -2 and flow rate of 100Lh -1. The specific energy consumption was found to be 4.32kWh (kgCOD) -1 for dye-bath effluent and 83.8kWh (kgCOD) -1 for wash water effluent. The results for wash water effluent under continuous operation of recycle reactor conditions showed 52.86% of COD removal at recycle flow rate of 100Lh -1 with discharge flow rate of 3Lh -1. The specific energy consumption was found to be 11.9kWh (kgCOD) -1.
| Original language | English |
|---|---|
| Pages (from-to) | 188-197 |
| Number of pages | 10 |
| Journal | Desalination |
| Volume | 285 |
| DOIs | |
| Publication status | Published - 31 Jan 2012 |
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 reactor
- Batch recirculation reactor
- COD reduction
- Procion blue
- Recycle reactor
- Specific energy consumption
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