Archives des ELA/2000 - Pignat.com https://pignat.com/en/product-tag/ela-2000-en/ Fri, 04 Oct 2019 12:19:26 +0000 en-GB hourly 1 https://wordpress.org/?v=6.7.1 https://pignat.com/wp-content/uploads/2019/01/cropped-Favicon-1-32x32.png Archives des ELA/2000 - Pignat.com https://pignat.com/en/product-tag/ela-2000-en/ 32 32 Stirred liquid liquid extraction https://pignat.com/en/product/stirred-liquid-liquid-extraction-2/ Thu, 28 Feb 2019 16:02:24 +0000 http://v2.pignat.com/?post_type=product&p=18204 Liquid - Liquid extraction in a stirred column

Continuous process

GENERAL SPECIFICATIONS

  • 2 SS pumps, variable rate.
  • Glass decanter with light phase outlet, heavy phase feeding.
  • Glass column.
  • Stirring shaft, made of 20 SS Rushton type stirrer.
  • Glass decanter with heavy phase outlet, light phase feeding.
  • Inter-phase level setting by lateral crosshead.
  • Polyethylene storage tank, 10 L.

Instrumentation

  • 2 flowmeters.

 

Dim : 140 x 60 x 240 cm - 120 kg
SS tubular framework 40 x 40mm

 

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The liquid liquid extraction

Liquid-liquid extraction is a fundamental material transfer operation based on the varying solubility of the

components of a mixture. It entails extracting a compound from a solution (solute dissolved in a diluent)

by selective transfer to a second liquid (solvent), non-miscible with the first and with different density.

A stirring device 9,  allows to stir the liquid in the column, increasing the contact between the

two phases and the mass transfer from one to another.

 

Study of a continuous liquid-liquid extraction

Process parameters

Interphase level determination

 

Ternary diagram

Mass balance

Column effiency determination (HUT/NUT)

 

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