Reactive Extraction of Gluconic Acid Using Tri-n-Octylamine in 1- Octanol
Author(s):
KORIVI LAILA, Dr. B. Sarath Babu
Keywords:
Reactive Extraction, Gluconic Acid, Tri-n- Octyl amine, 1-octanol
Abstract
Reactive extraction is a separation method which is used for the recovery of carboxylic acids from fermentation broth. Gluconic acid is a carboxylic acid which is used in chemical, pharmaceutical and food industries. Tertiary amines are effective extractants for separation of carboxylic acid from dilute solutions. An Adequate combination of extractant and diluent will provide a high yield. The reactive extraction of Gluconic acid with Trioctylamine and 1-octanol is carried out for different Concentrations of acid, Trioctylamine (TOA) and 1-octanol at room temperature. From the physical and chemical equilibrium experimental results, the distribution coefficient (KD), extraction efficiency (E %), loading ratio (Z) are calculated. It was found that physical extraction provided less yield compared to chemical extraction. A maximum KD was obtained as 3.57 using 40% TOA (0.02 mol/L) while 78.13 % of the gluconic acid was extracted. By increasing the initial concentration of gluconic acid increased the concentration of gluconic acid in both phases. As the concentration of TOA increases from 10 to 40 % (0.0229mol/L to 0.02 mol/L), the distribution coefficient and extraction efficiency also increases.
Article Details
Unique Paper ID: 166010

Publication Volume & Issue: Volume 11, Issue 1

Page(s): 2241 - 2245
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