Pulsed Liquid-Liquid Extraction

A standard-size, floor-standing unit that provides an in-depth, hands-on understanding of the basic, practical, and theoretical elements of the liquid-liquid extraction process.
Item Number: 
ELL/4000
Chemical Engineering Training Equipment

Pignat's Pulsed Liquid-Liquid Extraction trainer (ELL/4000) is a standard-size, floor-standing unit that provides an in-depth, hands-on understanding of the basic, practical, and theoretical elements of the liquid-liquid extraction process.

Liquid-liquid extraction is a fundamental material transfer operation in chemical engineering 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 densities.

The unit is used manually, with flows controlled by manual valves and flowmeters. The unit has a 2"-diameter glass column, which enhances the visual experience of the extraction process. A pneumatic pulsator increases the contact between the two phases and mass transfer. Students learn how to determine the interphase level, material balance, efficiency of the column, and more.

Features

  • Study of pulsed liquid-liquid extraction process in a packed column
  • Continuous process

Specifications

  • Gear pumps SS/PEEK head with integrated safety valve
  • Glass decanter with heavy phase outlet, light phase feeding, and column draining
  • Glass column, packing of Raschig glass rings
  • Glass decanter with light phase outlet, heavy phase feeding, and column vent
  • Pneumatic pulsator, PTFE bellows, double effect cylinder, stroke and frequency control
  • Inter-phase level setting system by lateral crosshead, setting from the ground
  • 2 float flowmeter

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