ROTATING DISC LIQUID-LIQUIDEXTRACTION UNIT

MODEL: BP 07

HIS Rotating Disc Liquid-Liquid Extraction Unit (Model: BP 07) has been designed to demonstrate thebasic principles of a liquid-liquid extraction process. When separation by distillation is ineffective or verydifficult, liquid-liquid extraction is one of the main alternatives to consider. Close boiling mixtures or substances

Tthat cannot withstand the temperature of distillation, even under a vacuum, may often be separated from impurities byextraction, which utilizes chemical differences instead of vapor pressure differences.

Separation by liquid-liquid extraction can be defined as the selective removal of one or more components eitherfrom a homogeneous liquid mixture or from a solution, using a second liquid or solvent, which is partially or whollyimmiscible with the first.

Equipment for Engineering Education & ResearchSOLTEQ-QVF®

SOLT

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DESCRIPTION

The normal mode of operation is that the light phaseand heavy phase liquids are pumped countercurrentlyinto the extraction column. The heavy phase will enterthe top of the column and flow downwards while thelight phase will enter the bottom of the column and flowupwards due to density differences. Countercurrent flowin the column and agitation of the two phases by therotating disc will cause the transfer of solute componentfrom one phase (raffinate) to the other (extract). Theraffinate will emerge at the bottom while the extract willemerge at the top of the extraction column. This liquid-liquid extraction process is done in numerous continuousstages throughout the column to give a higher degreeof separation.

Sample points are provided at key positions aroundthe unit to allow collection of both light and heavy phaseliquids. In this way, effects of rotating disc speed andfeed flow rates of both phases on the extraction efficiencycan be evaluated by means of sample analysis.

EXPERIMENTAL CAPABILITIES

Demonstration of liquid / liquid extractionexperiments using a rotating disc column.Determination of the height equivalent theoreticalplates (HETP) and extraction efficiency for thecolumn.Investigatation on the effect of total feed flow ratesand solvent to feed ratio on the column’s extractionefficiency.Investigatation on the effect of rotating disc speedson the column’s extraction efficiency.

TECHNICAL SPECIFICATIONS

a) Rotating Disc ColumnBorosilicate glass column with stainless steel shaftand discs connected to an overhead motor.Column diameter : DN 50Effective height : 2.0 mNo. of discs : 40Comes with adjustable overflow height for controlof interface level at the column

b) Stirrer MotorVariable speed motor with digital speed display.Speed range : 50 to 2000 rpmMax. torque : 60 NcmPower : 130 W

c) Feed and Receiving VesselsCylindrical vessels made of borosilicate glass andequipped with feed port, vent and drain valves.Capacity : 50 LGraduations : 2 L

d) Dosing PumpsChemical resistant piston pumps with variable strokelength and stroke frequency.Flow rate : up to 42 L/hrPower : 0.25 kW.Equipped with pulsation dampers at the pumpdischarge.

e) InstrumentationsFlow transmitters for both feed and solvent lines.Temperature sensor at the extraction column.

Equipment for Engineering Education & ResearchSOLTEQ-QVF®

TYPICAL EXPERIMENT RESULTS

Solvent to feed ratio = 1:1Stirrer speed = 350 rpm

Feed composition = 50.0 wt%Extract composition = 31.0 wt%Raffinate composition = 9.0 wt%

No. of stages = 3.1HETP = 645 mm

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OPTIONAL ITEMS

-DASSOLDAS DATA ACQUISITION SYSTEM

i) A PC with latest Pentium Processorii) An electronic signal conditioning systemiii) Stand alone data acquisition modulesiv) Windows based software

♦ Data Logging♦ Signal Analysis♦ Process Control♦ Real-Time Display♦ Tabulated Results♦ Graph of Experiment Results

- CALSOLCAL COMPUTER AIDED LEARNING SOFTWAREi) Interactive multimedia featuresii Graphical simulationiii) Experiment results samplesiv) Full experiment manuals

UTILITIES REQUIREMENTS

Electrical Supply : 415VAC / 3-ph / 50Hz / 30A

OVERALL DIMENSIONS

Height : 4.85 mWidth : 1.10 mDepth : 1.00 m

MANUAL

The unit is supplied with Operating and ExperimentManuals in English giving full descriptions of the unit,summary of theory, experimental procedures and typicalexperimental results.

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Equipment for Engineering Education & ResearchSOLTEQ-QVF®

SOFTWARE & E-LEARNING

Our range of teaching equipment can be complemented with ourSOLDAS and SOLCAL software.

SOLDAS - Supervisory Control & Data Acquisition- Data Logging- Signal Analysis- Process Control- Real-Time Display- Tabulated Results- Graph of Experiment Results

SOLCAL - Computer Aided Learning- Multimedia Features- Interactive- Graphic Simulation- Samples of Experiment Result- Full Experiment Manuals

Contact us for a catalog CD

SOLUTION ENGINEERING SDN. BHD.(Co. No. 174876-M)

Sales Office :No.3, Jalan TPK 2/4, Taman Perindustrian Kinrara,47100 Puchong, Selangor Darul Ehsan, Malaysia.Tel. No. : +(603) 80758000Fax. No. : +(603) 80755784

R&D Office :G-2A, Incubator 3, Technology Park Malaysia,Bukit Jalil, 57000 Kuala Lumpur, Malaysia.Tel. No. : +(603) 8996 0023

Email : solution@solution.com.myWeb site : http//www.solution.com.my/

AGENT:

Equipment for Engineering Education & ResearchSOLTEQ-QVF®

BUATAN MALAYSIAMSC- Status

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