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BT Water - Compact Electrolytic Sewage Treatment Plant
Electrolytic West Water Technology is an evolving and emerging field in the treatment of waste water. It is unconventional non biological & chemical free technology. It has the potential to treat effectively the waste water compared to conventional treatment. It has potential to remove even non biological & toxics companiment from the waste streams. The system are compact modular in construction, packaged & noiseless on operation.
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Electrolysis is a technique involving the passage of electricity through the effluent. The electrical current destabilizes dissolved colloidal particles and alters the charge on suspended particles permitting purification of water.
Reactions at the electrodes in Electro coagulation:
Reaction at the anode :
Me(s) — (3e-) = Me3+(aq)
Me3+(aq) + 3H20 = Me(OH)3 + 3H+
Reaction at the cathode :
2H20 + 2e- > H2 + 20H-
SPECIAL FEATURES OF ELECTROLYSIS
Me(s) — (3e-) = Me3+(aq)
Me3+(aq) + 3H20 = Me(OH)3 + 3H+
Reaction at the cathode :
2H20 + 2e- > H2 + 20H-
SPECIAL FEATURES OF ELECTROLYSIS
- The design uses a unique bipolar technology
- It is modular in construction
- It can be designed for either batch or continuous operation
- 4. It is custom designed & easily expandable
- It can be retrofitted in the existing facility
- Pollution removal rates in most cases - more than 95%
GENERAL SPECIFICATION:
| Sr. No | Parameters | Inlet | Outlet After |
| 1 | pH | 7 | 7 |
| 2 | TSS | 200-300 | < 10 ppm |
| 3 | BOD | 250-350 | < 30 ppm |
| 4 | COD | 400-500 | < 100 ppm |
Electrolysis Process
- Does not generate greenhouse gases
- Does not deplete atmospheric oxygen
- Emits low carbon
- Non chemical, non-biological process
- No need to maintain biomass, ph, temperature
- Accelerated start up
- Conserves more water due to better quality treatment
- hock load can be easily tackled
- Independent of toxicity
- Noiseless
- Generates less sludge with better dewatering
- Easily expandable
- Ease of operation and maintenance Less moving parts, less maintenance
- High performance to cost ratio
Conventional Biological Activated Sludge Process
- Generates greenhouse gases
- Deplete atmospheric oxygen (microbiological process)
- Emits carbon Needs chemicals for disinfection
- Needs to maintain biomass, pH, temperature
- Prolonged startup period
- Conserves less water due to poor quality treatment
- Shock load cannot be tackled Toxicity destroys microbes, restoration takes time
- Noisy because of aerators (associated drive)
- Generates more sludge with lower dewatering
- Difficult to expand
- Difficult to operate and maintain
- More moving parts, more maintenance Low performance to cost ration