Paper Title

Intensification of heterogeneous reactions through hydrotropy: Alkaline hydrolysis of esters and oximation of cyclododecanone

Keywords

  • Hydrotropy
  • Heterogeneous Reactions
  • Alkaline Hydrolysis
  • Ester Hydrolysis
  • Oximation
  • Cyclododecanone
  • Solubility Enhancement
  • Two-Phase Reactions
  • Hydrotrope Concentration
  • Solid-Liquid Reactions
  • Liquid-Liquid Reactions
  • Reaction Rate Enhancement
  • Butyl Monoglycol Sulfate
  • P-Cumyl Phenol
  • Cumene Sulphonic Acid
  • Potassium Salts
  • Sodium Salts
  • Process Intensification
  • Green Chemistry
  • Sustainable Chemical Processing
  • Catalysis
  • Hydrotropic Solubilization
  • Reaction Kinetics
  • Organic Synthesis
  • Chemical Engineering
  • Industrial Chemistry
  • Alternative Solvent Systems
  • High-Efficiency Reactions
  • Eco-Friendly Chemical Processes
  • Hydrotropic Agents

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Publication Info

Volume: 42 | Issue: 11 | Pages: 2517-2523

Published On

January, 1987

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Abstract

Hydrotropic substances are capable of increasing the solubility of sparingly soluble organic compounds in aqueous solutions and can thus enhance the rates of two-phase reactions substantially. The increase in the solubility of sparingly soluble organic substances due to hydrotropes has been found to be an exponential function of the hydrotrope concentration over a wide range. A study of the rates of solid—liquid and liquid—liquid alkaline hydrolysis of esters and solid—liquid oximation of cyclododecanone, in the presence of different hydrotropes, was carried out. The potassium salts of different hydrotropes, such as, butyl monoglycol sulfate, p-cumyl phenol, cumene sulphonic acid were found to be more effective than the corresponding sodium salts. In some cases intensification factors as high as 1000 were observed.

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