Discontinuous Rectification - LTek Online
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Discontinuous Rectification
Discontinuous Rectification
Product Code: LTEKCTLB-TTE60-0034

Tenders Description & Specification for Discontinuous Rectification

Discontinuous Rectification

The mixed vapour produced moves upwards in the column. The mixed vapour contains a higher concentration of the component with the lower boiling point (ethanol). It leaves the top of the column and is condensed using a condenser and a phase separation tank. Distillation is used to separate liquid mixtures made up of individual liquids that are soluble in one another. Rectification refers to distillation in a counterflow. Ethanol/water is recommended as the liquid mixture. The liquid mixture is added to the evaporator (bottom) tank. Part of the condensate is collected in a tank as product while the rest is fed back into the column. Here, on its way downwards, it undergoes further heating and material exchange with the rising mixed vapour. This exchange causes the vapour phase to become richer in ethanol and the liquid phase to become richer in water. The liquid phase moves to the bottom where it is collected.
Relevant measured values are recorded by sensors and displayed digitally on the switch cabinet. The evaporator is adjusted using a PID controller.
A large, clear process schematic on the switch cabinet makes it easy to assign all the process variables.
A sieve tray column and a packed column are available. The packed column is filled with Raschig rings. The reflux ratio is adjusted using valves.

Specification:
Vacuum mode possible with water jet pump
Electrically heated evaporator
Tank for top product
Adjustment of reflux ratio using valves
8 temperature measuring points per column
Condenser and phase separation tank for top product
Discontinuous rectification with packed and sieve tray column
Interchangeable columns
Sieve tray column with 8 trays
Packed column with Raschig rings
All tanks made of glass and stainless steel

Technical data:
Columns: internal diameter: 50mm, height: 765mm
Water jet pump: final vacuum: approx. 200mbar
Evaporator
Power output: 0…4kW
Tank: approx. 10L
Heat transfer surface
Top product condenser: approx. 0,04m2
Tanks
Top product: approx. 2000mL
Phase separation: approx. 500mL
Measuring ranges
Temperature: 13x 0…150°C
Reflux ratio: 0…100%
Flow rate: 30…320L/h (cooling water)
Differential pressure: 0…60mbar (column)
Manometer: -1…0,6bar
400V, 50Hz, 3 phases
230V, 60Hz, 3 phases, 400V, 60Hz, 3 phases
Dimensions and weight
LxWxH: 1300x750x2100mm
Weight: approx. 210kg

Ltekonline are the manufacturers of Discontinuous Rectification used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Thermal Training Equipment for Engineering Teaching Lab in Universities

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