Study and optimization of amino acid extraction by emulsion liquid membrane

Mohagheghi, E ; Sharif University of Technology | 2008

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  1. Type of Document: Article
  2. DOI: 10.1080/01496390802219612
  3. Publisher: 2008
  4. Abstract:
  5. A batch extraction of an essential amino acid, phenylalanine, from an aqueous solution of different concentrations by an Emulsion Liquid Membrane (ELM) was developed using D2EHPA as a cationic carrier, Span 80 as the surfactant, paraffin, and kerosene as the diluents, and HCl as the internal electrolyte. All effective parameters such as the initial pH of the aqueous external phase, the electrolyte concentration in the aqueous internal phase, carrier, and surfactant concentration in the emulsion, the volume ratio of the organic to aqueous internal phase (Roi), the volume ratio of the W/O emulsion to the aqueous external phase (Rew) and time were examined and optimized using the Taguchi method. Applying the Taguchi method to analyze the experimental results, the effects and contribution of each of the factors on the extraction efficiency were obtained. The results obtained from the experiments illustrated that with a stable emulsion, by optimizing all the effective parameters, a considerable amount of phenylalanine can be extracted in a short time with an acceptable ratio of swelling and breakage
  6. Keywords:
  7. Amination ; Amines ; Amino acids ; Carrier concentration ; Civil aviation ; Concentration (process) ; Electrolysis ; Electrolytes ; Emulsification ; Hydrochloric acid ; Liquid membranes ; Optimization ; Organic acids ; Paraffin waxes ; Paraffins ; Petroleum products ; Solutions ; Surface active agents ; Taguchi methods ; Emulsion liquid membrane ; External phase ; Phenylalanine ; Surfactant ; Taguchi method ; Solvent extraction ; amino acid ; concentration ; electrolyte ; emulsion ; extraction method ; membrane ; pH ; surface-active agent
  8. Source: Separation Science and Technology ; Volume 43, Issue 11-12 , 2008 , Pages 3075-3096 ; 01496395 (ISSN)
  9. URL: https://www.tandfonline.com/doi/full/10.1080/01496390802219612