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RECOVERY OF GLUCONIC ACID FROM AN AQUEOUS SOLUTION BY REACTIVE EXTRACTION USING TRI-N-OCTYL AMINE IN DIFFERENT DILUENTS

  • Unique Paper ID: 171125
  • Volume: 11
  • Issue: 7
  • PageNo: 2522-2525
  • Abstract:
  • Gluconic acid is an important carboxylic acid which is widely used in chemical, pharmaceutical, food and other industries. Reactive extraction is a separation technique which is used for the recovery of carboxylic acids from fermentation broth. Tertiary amines are effective extractants for separation of carboxylic acid from dilute solutions. A right combination of extractant and diluent will provide a high yield. The reactive extraction of Gluconic acid from aqueous solution with tri-n-octylamine (TOA) dissolved in different diluents was studied at room temperature. From the physical and chemical equilibrium experimental results, the distribution coefficient (KD) and extraction efficiency (E %) are calculated. It was found that physical extraction provided less yield compared to chemical extraction. By increasing the initial concentration of Gluconic acid increased the concentration of Gluconic acid in the both organic phase and aqueous phase. As the concentration of TOA increases from 10 to 40 %, the distribution coefficient and extraction efficiency increases. The recovery of Gluconic acid with Tri-n-octylamine with different diluents (1-hexanol, 1-octanol & 1-decanol) is carried out for different Concentrations of acid. The order in which diluents recover the Gluconic acid from aqueous solution is found to 1-hexanol > 1-octanol > 1-decanol.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 7
  • PageNo: 2522-2525

RECOVERY OF GLUCONIC ACID FROM AN AQUEOUS SOLUTION BY REACTIVE EXTRACTION USING TRI-N-OCTYL AMINE IN DIFFERENT DILUENTS

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Impact Factor
8.01 (Year 2024)
UGC Approved
Journal no 47859

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