Caustic Soda
Technical Specification for Caustic Soda Lye (47-48%) is acceptable only if suits plant requirement
| Quantity : | 3600 MT per annum on 100% basis for Bharuch Complex |
|---|---|
| 7600 MT per annum on 100% basis for Dahej Complex | |
| Purpose : | Caustic Soda Lye is used as scrubbing media for hazardous gases and for neutralization of acidic effluent in various plants like TDI, Aniline, DM and ETP plants |
Caustic Soda Lye Rayon Grade 47-50% concentration by weight confirming to India standard specification no. 252/1973 detailed specification are as under:
Technical Specifications for Caustic Soda Lye
| Sr.No | Item | Specification |
|---|---|---|
| 1 | Sodium Hydroxide (as NaoH) | 47% Minimum (by wt) or more. |
| 2 | Sodium Carbonate (as Na2CO3) | 1% Maximum by wt. |
| 3 | Chlorides (as Nacl) | 2% Maximum by wt. |
| 4 | Sulphates (as Na2SO4) | 0.10% Max by wt. |
| 5 | Silicates (as SiO2) | 0.02% Max by wt. |
| 6 | Iron (as Fe) | 0.01% Max by wt. |