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Chemical & Bioprocess Pilot Plants

Adsorption Test Unit

Model No: BP200

Description:

Demonstration on the working principle of the physical process of gas phase adsorption.

Main Components:

  • Two adsorption columns filled with adsorbent
  • insulated heating sleeves for each column
  • Evaporator
  • Drying columns
  • Cold trap
  • Vacuum pump

Instruments & Control:

  • Temperature
  • Flowrate
  • GC for gas composition analysis

Rig:

  • Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Separation of n-hexane from a mixture of n-hexane and cyclo-hexane using molecular sieve
  • Column regeneration by heating the column and running purge gas

Batch Packed Distillation Column

Model No: BP690-80

Objective:

Developed primarily for teaching and training on batch distillation process.

Main Components:

  • Evaporator
  • Column with packings
  • Top Condenser
  • Distillate Cooler
  • Measuring Vessel
  • Product Vessel

Instruments & Control:

Measurements of cooling water flow rate, cooling water inlet and outlet temperatures, top and bottom temperatures, reboiler pressure and column pressure drop.

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Batch distillation at total reflux.
  • Determination of height equivalent theoretical plates (HETP) at total reflux.
  • Determination of the effect of liquid and vapor loading on the HETP at total reflux.
  • Batch distillation at constant reflux.
  • Examination of the changes in top and bottom composition, and the height equivalent theoretical plates (HETP) over time in a batch distillation.
  • Mass balance calculations.

Batch Reactor

Model No: BP141

Objective:

Demonstration on batch chemical reaction using a simple saponification of ethyl acetate with caustic soda

Main Components:

  • Jacketed reaction vessel made of glass
  • Agitator, dosing funnel and condenser
  • Thermostat for reaction at higher temperature

Instruments & Control:

  • Temperature
  • Conductivity

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Batch saponification reaction of ethyl acetate with sodium hydroxide
  • Determination of reaction rate constant
  • Effects of mixing rate and temperature on the extent using the absorption unit
  • Determination of activation energy

Batch Sieve Tray Distillation Unit

Model No: BP670

Objective:

Demonstration on batch distillation process.

Main Components:

  • Sieve tray column (10 trays) made of glass – silver coated, vacuum jacketed.
  • Reboiler with electrical heating
  • Top condenser
  • Timer controlled reflux divider
  • Vessels (distillate, intermediate and bottom product)
  • Product coolers

Instruments & Control:

Temperature

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Batch distillation at total reflux.
  • Batch distillation at constant reflux.
  • Effect of liquid and vapor loading.
  • Determination of number of theoretical stages using the McCabe-Thiele method.

Climbing Film Pipe Evaporator

Model No: BP210

Objective:

Demonstration on batch chemical reaction using a simple reaction of saponification of ethyl acetate with caustic soda.

Main Components:

  • Jacketed reaction vessel made of glass.
  • Agitator, dosing funnel and condenser.
  • Thermostat for reaction at higher temperature.

Instruments & Control:

  • Temperature
  • Conductivity

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Effects on evaporator economy by varying:
  • Feed flow rate and temperature.
  • Steam inlet pressure
  • Evaporator temperature and pressure

Note: this unit requires laboratory steam supply

Combined Teaching And Demonstration Unit

Model No: BP14

Objectives:

Demonstration on how complex processes are integrated and run

Main Components:

Three major sections:

  • Extraction Unit (2-stage mixer settler)
  • Rectification Unit
  • Absorption Unit

Instruments & Control:

Complete instrumentations and control to run the extraction, distillation and absorption processes

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Extraction of acetone from acetone-water mixture using toluene in a two-stage mixer settler unit
  • Separation of acetone-toluene in the rectification unit
  • Purification of the waste air from the rectification unit using the absorption unit

Continuous Bubble Cap Distillation Unit

Model No: BP681

Objective:

Demonstration on distillation process.

Main Components:

  • Bubble cap column (10 trays) made of glass – silver coated, vacuum jacketed.
  • Feed inlet in the middle of column
  • Feed vessel and dosing pump
  • Top Condenser
  • Timer controlled eflux divider
  • Vessels (distillate, intermediate and bottom product)
  • Product coolers

Instruments & Control:

  • Temperature and pressure
  • Pneumatic control valve for steam inlet

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Batch and continuous distillation.
  • Effect of reflux ration, feed rate, temperature and composition.
  • Number of theoretical stages determination (McCabe – Thiele).

Note: this unit requires laboratory steam supply

Continuous Distillation Column with Process Control

Model No: SE999

Description:

This pilot scale Continuous Distillation Column with Process Control has been designed and constructed with the intention of exploring the behaviour and performance of various control strategies that can be employed on a distillation process.

Experimental include:

  • Determination of the number of theoretical plates using the McCabe-Thiele diagram
  • Various control strategies for level, flow, temperature as well as advanced control strategies for cascade, feedforward and optimization studies

Continuous Stirred Tank Reactor

Model No: BP143

Objective:

Demonstration on continuous chemical reaction using a simple saponification reaction of ethyl acetate with caustic soda

Main Components:

  • Jacketed reactor with agitator, condenser
  • overflow height adjustment for variable reaction volume
  • Feed tank and pump for each reactant
  • Thermostat for reaction at higher temperature
  • Product/waste tank

Instruments & Control:

  • Flow meter for each feed reactant
  • Temperature
  • Conductivity

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Continuous saponifications of ethyl acetate with sodium hydroxide
  • Determination of reaction rate constant
  • Effects of residence time and temperature on the extent of conversion

Crystallisation Unit

Model No: BP120

Objectives:

Demonstration on basic principle of crystallisation process

Main Components:

  • Jacketed feed vessel made of glass with agitator
  • Crystallisation vessel made of glass
  • Stainless steel evaporator
  • Glass condenser
  • Collection vessels for concentrate and product
  • Thermostat
  • Circulation pump

Instruments & Control:

  • Temperatures
  • Flow rate

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Crystallisation at various feed rates and temperature
  • Crystallisation at various circulation and withdrawal rates
  • Crystallisation at various evaporation rates

Gas Absorption Unit

Model No: BP05

Objectives:

Demonstration on distillation process

Main Components:

  • Bubble cap column (10 trays) made of glass – silver coated, vacuum jacketed
  • Feed inlet in the middle of column
  • Feed vessel and dosing pump
  • Reboiler with steam heating
  • Top condenser
  • Timer controlled reflux divider
  • Vessels (distillate, intermediate and bottom product)
  • Product coolers

Instruments & Control:

  • Temperature and pressure
  • Pneumatic control valve for steam inlet

Experimental Capabilities:

  • Carbon dioxide absorption into water
  • Mass transfer coefficient and mass balance calculations
  • Hydrodynamics studies on the packed column to determine the loading and flooding points

Gas Absorption-Desorption Unit

Model No: BP770

Objectives:

Demonstration on gas absorption and desorption processes

Main Components:

  • Two packed columns made of glass
  • Receiver vessels
  • Coil heat exchangers
  • Pre-heater
  • Transfer pumps

Instruments & Control:

  • Online gas analyzer
  • Flow meters for liquid and gas
  • Manometer

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Absorption of CO2 into water
  • Desorption of CO2 from water
  • The effect of temperature on the desorption process

Plug Flow Reactor

Model No: BP142

Objective:

Demonstration on continuous chemical reaction using a simple saponification reaction of ethyl acetate with caustic soda

Main Components:

  • Jacketed plug flow reactor made of glass
  • Feed tank and pump for each reactant
  • Feed pre-heater for each reactant
  • Thermostat for reaction at higher temperature
  • Product/waste tank

Instruments & Control:

  • Flow meter for each feed reactant
  • Temperature
  • Conductivity

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Reaction kinetics for plug flow reactor
  • Effects of temperature and residence time on the extent of conversion
  • RTD studies in a plug flow reactor

Pulsed Liquid-liquid Extraction Unit

Model No: BP06

Objective:

Demonstration on liquid-liquid extraction process where two phases pass counter-currently in a packed column

Main Components:

  • Packed column made of glass
  • Vessels for feed and solvent
  • Collection vessels for extract and raffinate
  • Metering type dosing pumps for light phase and heavy phase
  • Pulsation unit at the bottom of the packed column

Instruments & Control:

  • Metering pumps setting for feed and solvent flow rates
  • Measuring vessels for extract and raffinate flow rates

RIG:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Liquid-liquid extraction using any suitable ternary system (e.g. acetone-water-toluene)
  • Calculations of HETP
  • Effect of solvent to feed ratio on the extraction efficiency
  • Effect of pulsation amplitude or frequency on the extraction efficiency

Reactors Test Rig

Model No: BP140

Objective:

Demonstration on the difference in operating behavior of various types of reactor using a simple saponification reaction of ethyl acetate with caustic soda

Main Components:

  • 3 types of reactor: CSTR, CSTR in series and plug flow reactor
  • Tanks and pumps for each feed reactant
  • Thermostat for reaction at higher temperature
  • Waste tank

Instruments & Control:

  • Flow meter for each feed reactant
  • Temperature
  • Conductivity

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Reaction kinetics for different types of reactor
  • Effects of temperature and residence time on the extent of conversion
  • RTD studies in different types of reactor

Rotating Disc Liquid-Liquid Extraction Unit

Model No: BP07

Objective:

Similar to BP 06

Main Components:

  • Mostly similar to BP 06 except:
  • glass column with rotating discs
  • stirrer system with digital display

Instruments & Control:

Similar to BP 06

RIG:

Similar to BP 06

Experimental Capabilities:

Similar to BP 06 except

Effect of rotation speed on the extraction efficiency

Single Stage Mixer Settler

Model No: BP13

Objective:

Demonstration on liquid-liquid extraction process

Main Components:

  • Mixer settler made of glass (mixing, settling and separation zones)
  • Vessels for feed and solvent
  • Collection vessels for extract and raffinate
  • Metering type dosing pumps for light phase and heavy phase

Instruments & Control:

  • Metering pumps setting for feed and solvent flow rates
  • Measuring vessels for extract and raffinate flowrates

Rig:

  • Metering pumps setting for feed and solvent flow rates
  • Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Single stage liquid-liquid extraction using any suitable ternary system (e.g. acetone-water- toluene)
  • Effect of solvent to feed ratio on the extraction efficiency

Solid-Liquid Extraction Unit

Model No: BP04

Objective:

Demonstration on the extraction process whereby components can be selectively extracted from solid mixtures using a suitable solvent

Main Components:

  • Glass extraction vessel with removable solids container
  • Receiver vessel for the extract made of glass
  • Solvent pre-heater for hot extraction
  • Solvent recovery unit: reboiler, packed column and condenser

Instruments And Control:

  • Temperature sensor and controller
  • Solvent flow rate using in-line measuring vessel

RIG:

Framework made of stainless steel tubes with clamps and supports

Capabilities:

  • Batch, continuous and semi-continuous (Soxhlet) extractions
  • Determination of the extraction efficiencies
  • Effects of solvent flow rate, contact time and solvent feed temperature on the extraction efficiencies

Two Stage Mixer Settler

Model No: BP15

Objective:

Similar to BP 13

Main Components:

Two mixer setter units made of borosilicate glass

Instruments & Control:

Similar to BP 13

Rig:

Stainless steel framework with clamps and supports

Experimental Capabilities:

  • Two stage liquid-liquid extraction using a suitable ternary system (e.g. acetone-water-toluene)
  • Effect of solvent to feed ratio on the extraction efficiency

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