Electrolytic coagulation or the process of breaking down the stable structure of solutes, colloids or suspended substances through the introduction of an electric current into the aqueous medium. This is a unique new technology, which has been successfully applied in many developed and developing countries. Outstanding advantages of flocculation electrolyte technology applied in wastewater treatment system:
- No need to add chemicals (lime or alum, pac)
- Low running costs
- Less requirements on area and construction items
- Generates very little solid waste/mud
- Removes coloration up to 95%, BOD & COD up to 75%
- Simple and easy operation and maintenance
Coagulation electrolysis will produce several distinct electrochemical results independently. The observed reactions can be explained as follows:
- Seeding: results from the anodic reduction of metal ions, which become new centers for larger, stable, insoluble and precipitated compounds such as metal oxides complex.
- Emulsion breaking: results from oxygen and hydrogen ions binding to the water receptors of oil molecules creating a water-insoluble complex.
- Bleaching: by oxygen ions generated in the reaction tank, which has the function of oxidizing dyes, cyanides, bacteria, viruses and other harmful chemicals.
- Electron Flooding: of water that removes the electrolytic action of the water complex, allowing colloidal components to precipitate and an increase in electrons to create an osmotic pressure to kill bacteria and viruses.
- Oxidation reduction
- Coagulationelectrolyte assists in bringing the pH level to neutral
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