Continuous Rectification

Product Description

Continuous Rectification Technical Description of Continuous Rectification 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 for the. It is fed into the column. It partially evaporates on its way to the bottom of the column where it is heated to boiling. The mixed vapour produced then 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. Part of this 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 and can be collected in two tanks Specification of Continuous Rectification Continuous and discontinuous rectification with packed and sieve plate columnInterchangeable columnsSieve plate column with 8 plates, 3 feed inletsPacked column with Raschig ringsVacuum mode possible with water jet pumpElectrically heated evaporatorTanks for feed, bottom and top productHeat exchanger for bottom product cooling due to feed preheating or cooling waterCondenser and phase separation tank for top productAdjustment of reflux ratio using valves8 temperature sensors per column Technical Data of Continuous Rectification Columns Internal diameter: 50mmHeight: 765mm Feed pump Max. Flow rate: 400ml/minWater jet pump: final vacuum: approx. 200mbar Tanks Feed: 2x approx. 5LBottom product: 2x approx. 4LTop product: approx. 1,5LPhase separation: approx. 0,5LHeat transfer surfacesFeed preheating/bottom cooling: approx. 0,03mTop product condenser: approx. 0,04m Measuring ranges Temperature: 16 x 0...150CReflux ratio: 0...100%Heater power output: 0...4kWColumn differential pressure: 0...250mbarCooling water flow rate: 30...320L/hSystem pressure gauge: -1...0,6bar Dimensions and Weight of Continuous Rectification LxWxH: 1.300x760x2.400mmWeight: approx. 280kg