Chemical Engineering

Alat DestilasiAdvanced Real-Time SCADA and PID Control.Open Control + Multicontrol + Real-Time Control.Specialized EDIBON Control Software based on Labview.National Instruments Data Acquisition board (250 KS/s , kilo samples per second).Calibration exercises, which are included, teach the user how to calibrate a sensorand the importance of checking the accuracy of the sensors before takingmeasurements.Projector and/or electronic whiteboard compatibility allows the unit to be explainedand demonstrated to an entire class at one time.Capable of doing applied research, real industrial simulation, training courses, etc.Remote operation and control by the user and remote control for EDIBON technicalsupport, are always included.Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).Designed and manufactured under several quality standards.Optional CAL software helps the user perform calculations and comprehend theresults.This unit has been designed for future expansion and integration. A commonexpansion is the EDIBON Scada-Net (ESN) System which enables multiple students tosimultaneously operate many units in a network.EDIBON's distillation unit, in its different versions, is one of the most powerful laboratory tools for the study of the variables thataffect the distillation process.The student can investigate the principles that rule the mass and energy transference, as well as determine optima operation pointto carry out a big quantity of separations.This unit is basically composed by a boiler on which two types of columns can be adapted (plate columns and Raschig ringscolumn), a reflux system, a tank for distillation, a vacuum pump and a feeding pump (for continuous feeding).The steam that goes to the head of the column is sent to a total condenser. The cooling water flow that crosses the condenser isregulated and indicated in a flow sensor. Distillation can be carried out at low pressures with the help of an adjustable vacuumpump. The pressure loss in the column can be measured with a pressure sensor.It allows continuous operation and batch operation.For proceeding to continuous feeding, a pump that can inject the substance directly into the boiler or in any of the plates isavailable.The temperatures of the system are measured by sensors placed in strategic positions.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + aControl Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management SoftwarePackages, for controlling the process and all parameters involved in the process.- See more at: http://batavialab.com/continuous-distillation-unit-computer-controlled-detail-419680.html#sthash.6zfQhCFY.dpuf

Alat DestilasiAdvanced Real-Time SCADA and PID Control.Open Control + Multicontrol + Real-Time Control.Specialized EDIBON Control Software based on Labview.National Instruments Data Acquisition board (250 KS/s , kilo samples per second).Calibration exercises, which are included, teach the user how to calibrate a sensorand the importance of checking the accuracy of the sensors before takingmeasurements.Projector and/or electronic whiteboard compatibility allows the unit to be explainedand demonstrated to an entire class at one time.Capable of doing applied research, real industrial simulation, training courses, etc.Remote operation and control by the user and remote control for EDIBON technicalsupport, are always included.Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).Designed and manufactured under several quality standards.Optional CAL software helps the user perform calculations and comprehend theresults.This unit has been designed for future expansion and integration. A commonexpansion is the EDIBON Scada-Net (ESN) System which enables multiple students tosimultaneously operate many units in a network.Distillation is used to separate liquid mixtures made up of individual liquids that are soluble in one another.EDIBON's distillation unit, in its different versions, is one of the most powerful laboratory tools for the study of the variables that affect thedistillation process.The student can investigate the principles that rule the mass and energy transference, as well as determine the optima operation point tocarry out a big quantity of separations.This unit is basically composed by a boiler on which two types of interchangeable columns can be adapted (plate columns and RaschigRings column), a reflux system and a tank for the distillation.The steam that goes to the head of the column is sent to a total condenser. The cooling water flow that crosses the condenser is regulatedand indicated in a flow sensor. The pressure loss in the column can be measured with a pressure sensor.The temperatures of the system are measured by sensors placed in strategic positions.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit self + a ControlInterface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, forcontrolling the process and all parameters involved in the process.- See more at: http://batavialab.com/batch-distillation-unit-computer-controlled-detail-419682.html#sthash.ToEUKUzc.dpuf

Mesin KristalisasiCrystallization is a method generally used for purifying substances, so that the constituents of a solution can be separated. A solution must reach a supersaturated condition in order to crystallize its solute. To saturate a solution, a product, called solute, is dissolved in it to such a degree that the solution is unable to dissolve more solute.There are several methods used to obtain a supersaturated solution:By evaporation.By cooling.By adding aggregates.The Crystallization Unit (QUCB), developed by EDIBON, is a cooling crystallization unit. Therefore, it is suitable to perform crystallizationexperiments with those constituents whose solubility changes according to the temperature. One of the main advantages of the cooling method is its low energy costs. A crystallizer is a reactor where a crystallization process takes place. A crystallizer can be batch or continuous operated.The QUCB is an unit for the study of the cooling crystallization process. EDIBON has developed this unit to study the crystallization reaction ofthose constituents whose solubility changes with the temperature. This unit is devised to perform batch crystallization, that is to say, the crystallizer is filled once with the solute and solvent until the supersaturated solution is obtained and crystals are obtained from that solution. It is a batch (or discontinuous) process because the crystallizer must be filled again to carry out a new experiment.QUCB unit includes a crystallizer, which is basically a jacketed chemical reactor. There is a bath outside the crystallizer, through which the reaction temperature is controlled. The solution is stirred by a stirrer located at the upper side of the crystallizer. Besides, there is a temperature sensor at the upper side of the crystallizer to know the temperature of the solution inside at any moment.The unit also includes a conductivity sensor to know the conductivity of the solution when it is required. To obtain the supersaturated solution, it must be heated so that it is able to dissolve a higher concentration of solute at high temperatures. There is a thermostatic bath to supply water to the crystallizer's jacket. Its control is done by means of a potentiometer.Once a supersaturated solution at a high temperature is obtained, the crystallization stage starts. For that purpose introduce cold or room temperature water. The unit includes a pressure regulation valve kept to the minimum pressure. A sample of the collected product is analyzed with the filters set provided with the unit. The size of generated crystals can be obtained thus. It has an optional accessory: Continuous Feed Unit (QUCB/C) to turn this unit into a continuous crystallization unit.Specifications:Bench-top unit,mounted on 4 legs, with gum protections, height adjustable to equilibrate the unit.Anodized aluminium structure and panels in painted steel.Diagram in the front panel with similar distribution to the elements in the real unit.Crystallizer composed of jacketed reactor made in glass (1 litre of capacity), which includes temperature sensors and stirrer. Batch operation.Double blade stirrer.The crystallization reactor is thermally controlled by means of heated water circulating in the reactor jacket.Thermostatic bath of 600W, with feed water impulsion pump.Water flowmeter, rotameter type, rage:0-2 l./min.4 Two way valves to allow the water circulation, according to the process.3 Temperature sensors, “J“ type, located at key points of the system.Pressure regulation valve to protect the system (0.5 - 6 bar )Conductivity meter to measure the solution conductivity:Conductivity sensor, range: to 2000 mS.Set of sieves, composed of:3 Sieves of different light size: 0.5mm/1mm/2mm2 Litres vessel to collect the crystals.Protection devices for the electric circuits.Electronic console:Metallic box.Temperature sensors connections.Selector for temperature sensors.Digital display for surpervising the temperature and the conductivity.Pump switch.Stirred switch.Thermostatic bath controller.Magnetothermal protection switch.Protection fuses.Cables and Accessories, for normal operation.Manuals:This unit is supplied with following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance &Practices Manuals.Optional accessory (NOT included in the supply): (see section “optional accessory” in page 3)- QUCB/C. Continuous Feed Unit.- See more at: http://batavialab.com/crystallisation-unit-computer-controlled-detail-420003.html#sthash.4hDkhBQX.dpuf

Alat Laboratorium UmumKey features:Advanced Real-Time SCADA and PID Control.Open Control + Multicontrol + Real-Time Control.Specialized EDIBON Control Software based on LabVIEW.National Instruments Data Acquisition board (250 KS/s, kilo samples per second).Calibration exercises, which are included, teach the user how to calibrate asensor and the importance of checking the accuracy of the sensors before takingmeasurements.Projector and/or electronic whiteboard compatibility allows the unit to beexplained and demonstrated to an entire class at one time.Capable of doing applied research, real industrial simulation, training courses,etc.Remote operation and control by the user and remote control for EDIBON technicalsupport, are always included.Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic &Software).Designed and manufactured under several quality standards.Optional ICAI software to create, edit and carry out practical exercises, tests,exams, calculations, etc. Apart from monitoring user's knowledge and progressreached.This unit has been designed for future expansion and integration. A commonexpansion is the EDIBON Scada-Net (ESN) System which enables multiple studentsto simultaneously operate many units in a network.Absorption is a basic operation of mass transfer that consists on the separation of some components of a gaseous miscture by contact withan adequate solvent.Mass transfer separation operations imply the contact of two immiscible phases. This contact can be intermittent, as it happens in platecolumns, or continuous, as it happens in packed columns.Some processes that demonstrate the importance of absorption are:The recovery of solvent vapors or natural gasoline from gaseous currents.The treatment of gases in refineries.The decontamination of industrial gases.The Computer Controlled Gas Absorption Column, “CAGC”, is a laboratory scale unit designed to study hydrodynamic and absorptionprocesses in a packed column.The gas absorption column is a scale unit designed to study hydrodynamic and absorption processes in packed columns. This system absorbs ammonia or CO2 from a mixture with air in a watery solution that flowing down the column.The main parts of the unit are:Packed column: it consists of a glass cylindrical column filled with Raschig rings. Two differential pressure sensors measure the pressure in different parts of the column.Liquid circuit (water): the liquid, that is stored in a PVC tank, is impelled towards the column by a pump. It feeds the column through its upper end using a glass diffusion shower. After crossing the column, the liquid is returned to the storage tank. The liquid flow that arrives to the column is measured by a flow sensor and a flowmeter. In the storage tank, through aeration, the CO2 can be desorbed from the liquid previously filled in the column.Gas circuit (air and CO2): it consists of a CO2 and air (supplied by a blower) mixture current. Both gaseous currents are mixed, and later they enter the base of the column through a side inlet located below the bed level, so that the gaseous mixture is an homogeneous as possible. Both gas flows are measured by sensors and flowmeters.CO2 measuring system: it allows to determine the concentration of this gas in the currents originated from the upper and central parts of the column. The measurement can be performed analytically or directly with the CO2 sensor.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.- See more at: http://batavialab.com/gas-absorption-column-w-computer-controlled-detail-419673.html#sthash.p66YBiJ9.dpuf

Alat Laboratorium UmumKey features:Advanced Real-Time SCADA and PID Control.Open Control + Multicontrol + Real-Time Control.Specialized EDIBON Control Software based on LabVIEW.National Instruments Data Acquisition board (250 KS/s, kilo samples per second).Calibration exercises, which are included, teach the user how to calibrate asensor and the importance of checking the accuracy of the sensors before takingmeasurements.Projector and/or electronic whiteboard compatibility allows the unit to beexplained and demonstrated to an entire class at one time.Capable of doing applied research, real industrial simulation, training courses,etc.Remote operation and control by the user and remote control for EDIBON technicalsupport, are always included.Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic &Software).Designed and manufactured under several quality standards.Optional ICAI software to create, edit and carry out practical exercises, tests,exams, calculations, etc.Apart from monitoring user's knowwledge and progress reached.This unit has been designed for future expansion and integration. A commonexpansion is the EDIBON Scada-Net (ESN) System which enables multiple studentsto simultaneously operate many units in a network.Many processes in chemical engineering require the separation of one or more of the components of a liquid mixture by treating themixture with an immiscible solvent in which these components are preferentially soluble.The rate at which a soluble component is transferred from one solvent to another will be dependent, among other aspects, on the area ofthe interface between the two immiscible liquids. Therefore, it is very advantageous for this interface to be formed by droplets and films,the situation being analogous to that existing in packed distillation columns.The Computer Controlled Liquid-Liquid Extraction Unit "UELLC" allows to study the extraction of one or several components in a continuousway with a solvent. The contact takes place inside the vertically oriented packed column, in which the two phases circulate in countercurrent.The unit enables to recover the solvent in a distillation process.The Computer Controlled Liquid-Liquid Extraction Unit "UELLC" is a laboratory scale unit designed to study the separation of the componentsof liquid mixtures by contact of the mixture with an immiscible solvent in which these components are preferentially soluble.The extraction process is carried out in the glass liquid/liquid extraction column, which is composed of a jacketed glass packed columnwith two enlarged end sections. The joints between the three sections of the column are sealed with PTFE gaskets. The column is filled withglass Raschig rings that are supported on a perforated PVC plate.Feed for the column is stored in the feeding tank from where it is pumped by a computer controlled diaphragm pump. It passes through aflowmeter and enters the base section of the column via an injector mounted on it. Refine (phase with low content of solute) leaves the topof the column through a pipe and is collected in a refined tank.The solvent supply tank provides the feed for a computer controlled diaphragm pump. The solvent is pumped and passes through aflowmeter, then enters the top of the column via an injector. Extract (phase with high content of solute) leaves the bottom of the columnthrough a pipe and is collected in an extract tank. A drain valve is fitted in the extract line.The supply circuits and product collection circuits include two pressure switches that switch off the pumps when the pressure is high, twosampling taps to collect samples, three-way directional valves to direct the different currents and a regulation valve to control the heightof the interface.The distillation process is carried out in the distillation column boiler. The distillation column is made up of a glass section and containsRaschig rings made of glass. It is mounted close to the extraction column and fitted at such a height that the solute may be drained intothe solute tank.Heating is done by means of a computer controlled heating mantle (with control of the temperature in the column head) in the base of theboiler and the boiler temperature is indicated on a temperature sensor. The boiler lid is perforated where the distillation column is fittedand a pipeline allows to drain the extract from the extract tank. The boiler-solute tank circuit includes a sampling tap to collect samples.The dissolvent vapor phase is condensed in the coolant column and re-cycled to the solvent tank to recover the dissolvent and to providea closed circuit. Then, the solvent can be re-cycled continuously.All storage tanks have force sensors to measure the mass in the five tanks (feed, refined, solvent, extract and solute) and to calculate theliquid volume.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + aControl Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, forcontrolling the process and all parameters involved in the process.- See more at: http://batavialab.com/liquid-liquid-extraction-unit-computer-controlled-detail-419679.html#sthash.9Sj3WNna.dpuf

Alat Laboratorium UmumAdvanced Real-Time SCADA and PID Control.Open Control + Multicontrol + Real-Time Control.Specialized EDIBON Control Software based on Labview.National Instruments Data Acquisition board (250 KS/s , kilo samples per second).Calibration exercises, which are included, teach the user how to calibrate a sensorand the importance of checking the accuracy of the sensors before takingmeasurements.Projector and/or electronic whiteboard compatibility allows the unit to be explainedand demonstrated to an entire class at one time.Capable of doing applied research, real industrial simulation, training courses, etc.Remote operation and control by the user and remote control for EDIBON technicalsupport are always included.Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).Designed and manufactured under several quality standards.Optional CAL software helps the user perform calculations and comprehend theresults.This unit has been designed for future expansion and integration. A commonexpansion is the EDIBON Scada-Net (ESN) System which enables multiple students tosimultaneously operate many units in a network.The extraction is a basic operation of mass transfer based on the dissolution of one or some components of a mixture, liquid or part of a solid,through a suitable solvent. In the liquid-liquid extraction, the mass to be extracted is in a liquid, and in the solid-liquid extraction is in a solid.The way of performing the extraction will depend on the proportion of the component to be extracted, on the distribution of this component in thesolid, on the nature of the solid and on the of particle size.The UELSC unit allows a continuous solid-liquid process of extraction in countercurrent which is the most commonly used in industry because it isthe one with the highest efficiency.The “UESLC” unit is laboratory-scale unit designed for studying the separation of a soluble fraction from a solid with the help of a solvent in acontinuous multistage and countercurrent way.The unit utilises a continuous feed, counter current flow, multiple stage (but may also configured as one or two stage process for teachingpurposes), rotary extractor system of the type frequently seen in industrial applications. The effects of temperature, multiple stages, and throughput rate can all be investigated.The design of the unit is based on the continuous rotation extraction cell used in industrial scale, which is called ‘Rotocel’. This is the main part of the solid/liquid extraction system and it is divided into compartments. The raw material is fed into these compartments from the input hopper. The material is then passed under three solvent sprinklers, and the dissolved product captured in three drainage compartments. Pumps are provided to pump the product from the drainage compartment of one stage to the sprinkler of the next stage. At the end of the process the spent carrier material will go to a collection container.The solid carrier can be a light porous material. It can be impregnated with a salt such as sodium bicarbonate or potassium bicarbonate , which isthen extracted by the process.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a ControlInterface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling theprocess and all parameters involved in the process.- See more at: http://batavialab.com/solid-liquid-extraction-unit-computer-controlled-detail-419685.html#sthash.0sMG3Ma3.dpuf

Alat Laboratorium UmumThe objective of evaporation is to concentrate a non-volatile solute, carrying out the elimination of a volatile compound. Water is the volatilecompound used in most evaporations.The rising or falling film evaporators are very useful if high temperatures can degrade the product that we want to concentrate, so theseevaporators work at less temperature. They can be used, for example, for concentration of fruit juices, milk and milk products, effluents, etc.Basically, the unit consists of the following circuits:The feed circuit that consists on a feed pump that introduces the product in a double jacket column, which has temperature sensors. The productleaves the tank through a cyclone placed at the output of the column and it is collected in a 500 ml graduated vessel. The vessel is also connected to a 10 l. tank for the storage of the concentrated product. This last tank is connected to the feed tank for its recirculation.The distillation circuit starts at the top of the column, where a joint with a pressure meter has been assembled. It is also connected to the cyclone to separate the concentrated product and the distilled one that goes through a spiral condenser. The distilled product is stored in a graduated vessel that is connected to a 10 l. collection tank. This last one is connected to the feed tank for its recirculation in a continuous process.The steam circuit, introduced in the external jacket of the column, contains a pressure meter for the control of the temperature of steam. Thismeter is connected to a high-pressure cutout control that opens or closes a control electrovalve for the steam supply.The vacuum circuit consists on a vacuum pump; one trap placed at the output of the condenser and other trap placed at the output of thecyclone.Specifications:Anodized aluminium structure and panels in painted steel.Main metallic elements in stainless steel.Diagram in the front panel with similar distribution to the elements in the real unit.3 Evaporation double jacket column, with a heating surface of 0.122 m , 30 mm of internal diameter, 60 mm of external diameter and 1300 mm of length.Membrane dosing pump, maximum flow 15 l./h, with flow control.3 Single effect vacuum pump, maximum flow 3m /h and maximum vacuum of 150 microns.Three 10 l. tanks (for feeding, concentrated and evaporated).Two 500 ml. graduated vessels for the storage of concentrated and evaporated product.Coil coolant with length of 400 mm.Heating resistance, range: 300 W.Pressure safety cut out for pressure control in the column.10 Temperature sensors, type “J”.1 Flow meter (0.2 to 2 l./min).2 Manometers (0 to 2.5 bar).Solenoid valve.The unit incorporates wheels for its mobility.Electronic console:Metallic box.Temperature sensors connections.Digital display for temperature sensors.Selector for temperature sensors.Pumps switches.Heating resistance switch.Heating resistance temperature control.Solenoid valve connection.Pressure safety cut out connection.Cables and Accessories, for normal operation.Manuals: This unit is supplied with the following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance &Practices Manuals.Optional accessory (not included in the supply):EPDB. Falling Film Evaporator (for adding to EPAB).- See more at: http://batavialab.com/rising-film-evaporator-detail-419687.html#sthash.k4L2FPGM.dpuf

Alat Laboratorium Umum Teknik KimiaFixed bed adsorption processes are ubiquitous in the chemical process and other industries. Some applications are: air purification, gasdehydration, solvent or hydrocarbon vapor recovery, water purification, etc.Fixed bed adsorption processes use a solid mass separating agent packed inside a column to effect separation of one or more componentsfrom a mixture in a gas or liquid stream as it flows through the packed bed.The Computer Controlled Fixed Bed Adsorption Unit, “QALFC”, is an adsorption column that is jacketed for the purpose of thermal controland is designed to demonstrate the gas adsorption phenomenon using a Fixed Bed Adsorption Column. In the experiments the gas mixtureof carbon dioxide and helium is separated.The overall objective of this unit is to analyze the behavior of the adsorption breakthrough and desorption elution curves associated withthe separation of CO2 from Helium using activated carbon. The equilibrium adsorption capacity of this activated carbon will be determinedfrom this analysis and used to model the experimental breakthrough and elution curves.The amount of carbon dioxide adsorbed increases with increasing CO2 partial pressure and decreases with increasing temperature. Acompletely isothermal behavior is impossible to achieve unless the feed concentration is extremely diluted.The Computer Controlled Fixed Bed Adsorption Unit, “QALFC”, is designed to demonstrate the gas adsorption phenomenon using a fixed adsorption column. The overall objective of this unit is to analyze the behavior of the adsorption breakthrough and desorption elution curves associated with the separation of CO2 from Helium using activated carbon. The equilibrium adsorption capacity of this activated carbon will be determined from this analysis and used to model the experimental breakthrough and elution curves.The gas mixture (composed by CO2 and Helium) is fed from compressed gas cylinders to the column with two pressure regulators. Two flow sensors and two regulation valves are included to measure and regulate the CO2 and Helium inlet flows. The lines include two flow control valves to limit the CO2 and Helium flow.The fixed bed adsorption column is jacketed for the purpose of thermal control and the adsorbent, activated carbon, is packed. Six temperature sensors with different lengths are located inside the column to measure the adsorption and desorption temperatures. A column bypass is included for system calibration purposes. This column has two 3-way directional valves, which divert the gas stream between the fixed bed adsorption column and the bypass. A valve at the column's outlet is used to control the pressure in the circuit. This pressure is measured by a pressure sensor.The unit is protected against overpressure by a security valve. The column is thermally controlled by hot water, which is heated by a system consisting of a thermostatic bath with a heating element and a water pump. An additional temperature sensor is located in the thermostatic bath. The gas mixture, after passing through the column or the bypass, is divided. A part of the gas mixture passes through an infrared CO2 sensor to measure the CO2 concentration at the column or bypass outlet. A third flow sensor measures the flow entering the CO2 sensor and a regulation valve regulates the gas mixture flow in the flow sensor. This line includes a flow control valve to limit the gas mixture flow.The rest of the gas mixture is discharge to the atmosphere.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.- See more at: http://batavialab.com/fixed-bed-adsorption-unit-detail-420004.html#sthash.YjPmh458.dpuf

Alat Laboratorium Umum Teknik KimiaMass transfer phenomena are common in nature and important in all branches of the engineering. Some examples within the industrial processes are: the removal of polluting materials from the discharge currents of gases and contaminated water, the neutron diffusion inside nuclear reactors, the diffusion of substances to the interior of activated carbon pores, the speed of biological and chemical catalyzed reactions, etc.The molecular diffusion (or molecular transport) is a mass transfer mode that can be defined as the transfer (or displacement) of individual molecules through a fluid by the disorganized and individual displacements of the molecules, due to concentration differences. Diffusion may take place in stagnant fluids systems or in fluids in motion.The Computer Controlled Gaseous Mass Transfer and Diffusion Coefficient Unit, "QDTGC", allows the students to familiarize with the theoretical concepts about mass transfer unit operations, specifically the diffusion of a volatile liquid in an inert gas, obtaining very useful experimental data and results for the good practical understanding of the process and, therefore, for the technical training of the students.The unit consists of a vertical capillary tube with a volatile solvent (liquid A) and gas (air), which will flow horizontally under laminar flow conditions in the upper end of the tube. This air is introduced by a computer controlled blower. The capillary will be introduced in an adjustable temperature computer controlled thermostatic bath, which will work following the double boiler method. The solvent will be evaporated slowly due to the thermal energy of the bath. And due to the concentration gradient, the gaseous solvent will be dispersed upwards, from the surface of the liquid solvent towards the pure air. The air flow will transport the molecules of the solvent and the volume of the liquid solvent in the tube will be reduced. There is an optical system with fine focusing adjustment to measure this level difference and displacement sensor.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.- See more at: http://batavialab.com/gaseous-mass-transfer-diffusion-coefficient-unit-detail-420029.html#sthash.94qRFvii.dpuf

Alat Laboratorium UmumWetted wall gas absorption columns can be used to determine the mass transfer coefficients between gases and liquids, essential in thedesign of absorption towers. This factor is the most important one to calculate the size of such towers, since they serve as a basis from whichcorrelations have been developed for packed towers.A wet film absorption column (or wetted wall gas) consists, essentially, in a vertical tube through which a liquid descends, meanwhile a gasascends through it. The gas, when contacting the liquid, is partially spread in it by means of the mass transfer. This process is normally usedto study the mass transfer between two components in two different phases due to the fact that there is an interfacial film between suchphases in the wet film column, unlike other processes. It will be assumed that such superficial area corresponds to the inner surface of suchtube, so that the liquid can be in the shape of a thin laminar film.The Computer Controlled Wetted Wall Gas Absorption Column (CAPC) allows to determine the liquid mass transfer coefficient and studythe existing relation between the mass transfer coefficient of the liquid film and the mass flow of water. The obtained results can becompared with the theoretical predictions.The studied absorption process corresponds to the oxygen-deoxygenated water system, where the oxygen comes from the air and thedeoxygenated air is obtained through a desorption column, where a water current comes into contact with a nitrogen current.This is a controlled liquid film absorption example; so that the liquid film mass transfer coefficient can be determined for different waterflows.This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a ControlInterface Box + a Data Acquisition Board + Computer Control and Data Acquisition Software Packages, for controlling the process andall parameters involved in the process.- See more at: http://batavialab.com/wetted-wall-gas-absorption-column-detail-420032.html#sthash.Ye4c991Q.dpuf