Multifunctional Extraction And Distillation Pilot Plant vocational education equipment

LLDa Multifunctional Extraction And Distillation Pilot Plant vocational education equipment 

This plant consists of a liquid-liquid extraction column of glass with rotating discs installed aside a distillation column. This last column can be used to recover the solvent used for the extraction, or separately for the study of distillation process.
TRAINING PROGRAM
This unit enables to deepen the following issues:
Extraction
• Determination of the number of transfer units
• Height of a transfer unit
• Extraction efficiency
• Mass balance
• Calculation of mass transfer coefficient
• Calculation of the number of theoretical stages
• Trend of concentrations along the column

• Exercises on systems of 3 partially mixable components:
- acetic acid – toluene – water
- acetic acid – isopropyl ether – water
- acetic acid – ethyl acetate – water
• Automatic control with PID controller (for mod. LLDa, only)
• Plant supervision by P.C. (for mod. LLDa, only)
Distillation
• Recovery of the solvent used in the extraction
• Distillation of different mixtures (water / ethanol, water / methanol, methanol / propanol, etc...) versus the variation of the following operational parameters:
- reflux ratio
- feeding flow rate
- reboiler heating power
- feeding composition
• Flooding

• Automatic flow control by PID controller (for mod. LLDa, only)
• Plant supervision by P.C.(for mod. LLDa, only)
TECHNICAL SPECIFICATIONS:
Mod. LLDa
Besides being provided with all the characteristics of mod. LLD, this model also includes the following additional items:
• Variable area flowmeter of AISI 304 stainless steel, with range of 25 to 250 l/h and 4-20 mA output signal
• Pneumatic valve of AISI 316 stainless steel, Cv = 0.32, for level control
• 2 pneumatic valves of AISI 316 stainless steel (level and flow control of condenser cooling water), Cv = 0.32
• 2 electropneumatic converters of 4 to 20 mA/ 0.2 to 1 bar
• 2 microprocessor digital PID controllers with serial card
• Supervision software for Windows: it enables to control ON-OFF signals, analog signals coming from PID controller, real-time trend and historical trend
Supply with
THEORETICAL – EXPERIMENTAL HANDBOOK