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Materials Management  

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
  2800 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.
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