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    • Multipurpose separation and purification facility. 

      Sewnarain, Reshan. (2001)
      A waste acid stream is being produced by a local petrochemical company (SASOL) at a rate of 10 000 -12 000 tons per annum and contains approximately 44-mole % butyric acid, 20 % isobutyric acid and 10 % valeric acid. ...