08 — Chemical Engineering & Chemistry
Isothermal Continuous Stirred Tank Reactor, Compressed Air Feed System
Isothermal CSTR in which the reactant streams are delivered from pressurised feed vessels using compressed air instead of pumps, giving steady pulseless flow. Used for steady-state kinetic studies and conversion versus space time measurements.
01 — Same Category
More in Chemical Engineering & Chemistry
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23
Solid in Air Diffusion Apparatus
Diffusion tube assembly in which a volatile solid sublimes into a controlled air stream at constant temperature. The rate of loss is used to calculate the diffusion coefficient of the vapour in air.
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24
Humidification & Dehumidification Setup
Air-water contacting column with blower, water spray or packing and heating and cooling sections, fitted with wet and dry bulb thermometers. Used to study humidification and dehumidification of air and to apply psychrometric chart calculations.
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25
Liquid-Liquid Extraction in Packed Column
Counter-current packed extraction column in which a solute is transferred between two immiscible liquid phases. Used to determine distribution coefficients, stage efficiency and HTU/NTU for the packing.
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26
Isothermal Continuous Stirred Tank Reactor (CSTR)
Jacketed, agitated tank reactor operated at constant temperature with continuous feed and overflow. Used to determine the rate constant of a liquid-phase reaction and to study conversion as a function of space time at steady state.
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27
Isothermal Plug Flow Reactor (PFR), Constant Head, Coiled Tube Type
Coiled tube reactor fed from constant head tanks and immersed in a thermostatic bath to maintain isothermal operation. Used to study conversion against residence time in plug flow and to compare performance with a stirred tank reactor.
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28
Isothermal Batch Reactor
Stirred, temperature-controlled batch vessel with sampling arrangement for following the progress of a liquid-phase reaction with time. Used to determine reaction order, rate constant and activation energy from concentration-time data.
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30
Plug Flow Tubular Reactor (Straight Tube Type, Peristaltic Pump Feed System)
Straight tubular reactor with reactant streams metered by peristaltic pumps and temperature maintained by a surrounding bath. Used to study conversion along the reactor length and to verify plug flow reactor design equations.
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31
Parallel Flow / Counter Flow Heat Exchanger
Double pipe heat exchanger with a valve arrangement that allows the same unit to be run in co-current or counter-current mode. Used to compare LMTD, effectiveness and the overall heat transfer coefficient for the two flow arrangements.
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32
Steam Distillation Setup
Steam generator coupled to a distillation flask, condenser and receiver for distilling heat-sensitive materials below their normal boiling points. Commonly used for recovery of essential oils and separation of volatile compounds immiscible with water.
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33
McLeod Gauge with Stand & Mercury
Mercury compression gauge supplied with stand and mercury for absolute measurement of low pressures in vacuum systems. Serves as a primary reference for calibrating other vacuum gauges in instrumentation laboratories.
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34
Kjeldahl Borosilicate Apparatus
Borosilicate glass digestion and distillation assembly for nitrogen determination by the Kjeldahl method. The distilled ammonia is trapped and titrated to calculate total nitrogen and crude protein content of a sample.
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35
Orsat Gas Analysis Apparatus
Volumetric flue gas analyser with absorption pipettes and a graduated burette for measuring carbon dioxide, oxygen and carbon monoxide in a gas sample. Used to assess combustion efficiency and excess air in boilers and furnaces.
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