Process for production of ferric sulphate from copper slag for arsenic removal
| 1. | Title of Product/Design/Equipment | Process for production of ferric sulphate from copper slag for arsenic removal |
| 2. | IPR Status Patent/Abroad IPR Details | |
| 3. | Application/Uses | Find number of applications such as (i) oxidant for removal of arsenic, (ii) water treatment (iii) production of pigment, etc. |
| 4. | Salient Technical Features including Competing Features | Copper slag is a siliceous material and refractory in nature. Dissolution of the slag in sulphate media for recovery of iron is usually found very difficult as silica forms a thick gel. An innovative process is developed at CSIR-NML for dissolution of copper slag for recovery of iron which obviate the problem of silica dissolution and interference during recovery process. |
| 5. | Level/Scale of Development | Kilogram scale |
| 6. | Environmental Considerations | Non-hazardous |
| 7. | Status of Commercialization | Ready for commercialisation |
| 8. | Major Raw Materials to be Utilized | Copper slag, sulphuric acid, alkali |
| 9. | Major Plant Equipment and Machinery Required | Grinding facility, Leaching set-up, filtration unit, drying facility |
| 10. | Techno-Economics | Avalable on demand |
| 11. | Technology Package | Technology will be transferred with details of process description, operating parameters, equipment specification, mass balance, preliminary cost estimation etc |
