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| Process/Device | Zero waste phosphating process |
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| Area | Metal finishing, Surface engineering |
| Uses | Pre-treatment for paint coating and Corrosion Protection |
| Salient Features | No solid or liquid waste is generated in the process, Contains no toxic chemical accelerators, Energy efficient and eco-friendly, Continuous operation with easy replenishment and control, Composite coating offers corrosion protection by barrier layer and sacrificial protection mechanisms |
| Scale of Development | Pilot scale |
| Major Raw Materials | Mineral acids, consumable anodes |
| Major Plant Equipment/Machinery | Direct current source (Rectifier) having a potential range of 0-60 V Metal anodes of suitable geometry |
| Details of specific application | Pre-treatment for paint coating, Corrosion protection |
| Status of Development | Ready for commercialization |
| Ecological/Environmental Impact (if any, specify briefly) | Acidic solutions. They should be neutralized before discharge. |
| Patenting details | Nil |
| Commercialisation Status | Ready for commercialisation |
| Techno-Economics | Available on demand |
| Key words | Phosphate Coating, Composite Coating, Zero Waste Process, Corrosion Protection |
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