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Equilibrium & kinetic studies of reactive extraction of trans-aconitic acid using sunflower oil with tri-n-octylamine

  • Rajesh Nimmakayala , Dharm Pal EMAIL logo , Dhananjay Singh and Abhinesh Kumar Prajapati
Published/Copyright: September 20, 2021
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International Journal of Chemical Reactor Engineering
From the journal International Journal of Chemical Reactor Engineering Volume 20 Issue 5

Abstract

In order to design an efficient extraction system for the separation of biochemically produced trans-aconitic acid (TAH) from fermentation broth; equilibrium and kinetics of reactive extraction of TAH from aqueous solutions was investigated using tri-n-octylamine (TOA) as an extractant and sunflower oil as a diluent. Through the equilibrium studies stoichiometry (acid, extractant) of complex formations was determined with the help of loading ratio. Formation of (1, 1), (2, 1), & (3, 1) stoichiometry complexes were observed having complexation constants values 179.73 kmol−1 m3, 9512.58 kmol−2 m6, and 614,407.02 kmol−3 m9, respectively. Kinetics experiments were performed in Lewis type stirred cell and results confirmed that reaction between TAH and TOA in sunflower oil fall in regime 1, i.e. slow reaction occurring in bulk organic phase. The overall order of reaction is pseudo first order with rate constant (K mn ) 1.78 × 10−5 (kmol m−3)−0.71 s−1 and physical mass transfer coefficient (K l ) 4.22 × 10−5 m s−1.

Keywords: kinetic studies; reactive extraction; sunflower oil; trans-aconitic acid; tri-n-octylamine
Corresponding author: Dharm Pal, Department of Chemical Engineering, National Institute of Technology Raipur, Raipur, CG 492 010, India, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-04-30
Accepted: 2021-08-13
Published Online: 2021-09-20

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Preface: Special issue dedicated to the International Conference on Reaction Engineering National Institute of Technology, Raipur, India
  4. Special Issue Article
  5. Semiconducting nanomaterials for photocatalytic desulfurization of liquid fuel under sunlight irradiation
  6. Optimization and experimental design by response surface method for reactive extraction of glutaric acid
  7. Equilibrium & kinetic studies of reactive extraction of trans-aconitic acid using sunflower oil with tri-n-octylamine
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https://doi.org/10.1515/ijcre-2021-0107
Keywords for this article
kinetic studies; reactive extraction; sunflower oil; trans-aconitic acid; tri-n-octylamine

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Preface: Special issue dedicated to the International Conference on Reaction Engineering National Institute of Technology, Raipur, India
  4. Special Issue Article
  5. Semiconducting nanomaterials for photocatalytic desulfurization of liquid fuel under sunlight irradiation
  6. Optimization and experimental design by response surface method for reactive extraction of glutaric acid
  7. Equilibrium & kinetic studies of reactive extraction of trans-aconitic acid using sunflower oil with tri-n-octylamine
  8. Simulation of a kinetic model integrated with variable catalyst holdup applied in industrial fluid catalytic cracking risers
  9. Alkaline electro-hydrolysis pretreatment of rice straw for enhanced biogas production under ambient temperature
  10. Acclimatization studies for degradation of Acid Red 3BN dye and its treatment in moving bed biofilm reactor
  11. Value addition study on coker kero for producing alpha olefin and alkyl benzene
  12. Cyclic voltammetry to study kinetics of blast furnace slag and cerium dioxide modified electrode
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