RTD Studies in Packed Bed
Product Code : LSK-TWL-10798
RTD Studies in Packed Bed (SKU LSK-TWL-10798) is a bench set-up for measuring the residence time distribution of liquid in a glass column packed with Raschig rings, showing how a real packed bed departs from ideal plug flow. It serves reaction engineering labs in degree and diploma chemical engineering courses. Science Lab Supplies manufactures it at its factory at Plot 448, HSIIDC Industrial Area, Saha, Ambala, India, and sells it direct to colleges, polytechnics, tender contractors and distributors.
Specifications
Every technical detail of the set-up is listed in the table below. In short, liquid enters a vertical glass column packed with Raschig rings through a bottom distributor, its flow is set by a needle valve and read on a rotameter, tracer is injected at the lower end, and samples are drawn from the top outlet.
| Specification | Value |
|---|---|
| SKU | LSK-TWL-10798 |
| Reactor column | Glass column |
| Packing | Raschig rings |
| Liquid feed | Through a liquid distributor fitted at the bottom of the column |
| Flow measurement | Rotameter |
| Flow adjustment | Needle valve on the rotameter |
| Tracer injection | Special arrangement at the lower end of the reactor |
| Tracer type | Liquid or gas |
| Sampling | Periodic samples from the top outlet of the reactor |
| Experiment 1 | Plotting the RTD curve for a plug flow reactor |
| Experiment 2 | Determining the dispersion number |
| Utilities required | Water supply and drain |
| Analysis items | Instruments, laboratory glassware and chemicals as per the analysis system adopted (not included) |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the RTD Studies in Packed Bed
The apparatus is used to record the response of a packed bed to a tracer pulse, plot its RTD curve and work out the dispersion number that describes axial mixing. It fits the chemical reaction engineering practicals of B.Tech/B.E. chemical engineering and the reactor topics of polytechnic diploma courses.
- B.Tech/B.E. chemical engineering: plotting the RTD curve of a packed bed that approximates plug flow.
- Calculating the dispersion number from the tracer response, for example following an acid tracer with a Bench Digital pH Meter.
- Diploma practicals on non-ideal flow, channelling and stagnant zones, after the laminar and turbulent flow demonstration on the Reynolds Apparatus.
- Process-technician training in rotameter flow setting and timed sampling.
Standard Scope of Supply
Each unit comprises the glass column packed with Raschig rings, the bottom liquid distributor, the rotameter with needle valve, the tracer injection arrangement and the top sampling outlet. Instruments, laboratory glassware and chemicals for analysing the samples are not included, as they depend on the analysis system your laboratory adopts.
Packing, MOQ and Lead Time
You can request a quotation for one set-up or a complete reaction engineering laboratory; each Science Lab Supplies quotation states the packing, delivery time and price for that quantity. Colleges sourcing engineering lab equipment in India can add the companion reactor units to the same quotation.
As a registered exporter with an Importer-Exporter Code, Science Lab Supplies can ship to buyers in Malaysia, Peru, Egypt, Iraq, Nigeria and Kenya. Send your requirement through the contact page or the enquiry cart, and see the lab tender page for tender supply.
Frequently Asked Questions
What does the RTD Studies in Packed Bed set-up measure?
It measures how long liquid elements stay in the packed column. The tracer response at the top outlet gives the RTD curve, from which students find the mean residence time and the dispersion number.
Are analysis instruments and chemicals included?
No. The instruments, glassware and chemicals for sample analysis depend on the tracer and analysis system the laboratory adopts, so they are arranged separately or added to the quotation on request.
Is Science Lab Supplies the manufacturer or a trader?
Science Lab Supplies is the manufacturer. The set-up is built at its own factory in Saha, Ambala, India, and quotations come directly from the factory.
What utilities does the unit need?
The specification lists a water supply and a drain as the utilities required, so place the unit near a laboratory drain point with a water tap close by.
Related Reaction Engineering and Packed Bed Units
These units cover the other reactor types in a reaction engineering syllabus plus related packed-bed and flow studies. Comparing the packed bed with stirred tanks and tubular reactors shows how mixing and geometry shape residence time distribution; any of them can share one quotation.
- RTD Studies in CSTR — stainless steel stirred tank with syringe tracer dosing for pulse-tracer RTD curves.
- Plug Flow Reactor, Straight Tube Type — two feed tanks and a horizontal straight tube reactor fed by compressed air, with individual rotameters.
- Plug Flow Reactor (Coiled Tube Type) — helical coil tube reactor where frequent changes of flow direction add turbulence.
- Continuous Stirred Tank Reactor — 2 L stainless steel reactor with stirrer, fed from two 20 L stainless steel tanks by compressed air.
- Isothermal Batch Reactor — 2 L stainless steel reactor in a water bath controlled from ambient to 90 °C, sampled by pipette.
- Absorption in Packed Column — glass absorption column for gas absorption, humidification and stripping, with pressure drop across the packed bed.
- Permeability, Flow Nets And Darcy’s Law — glass-sided tank with piezometer tappings and a dye injector for flow through a permeable medium.
Browse the full Training Workshop Labs range, the Fluid Mechanics range for flow and pressure-drop apparatus, or all TVET lab equipment.
Last updated: 9 October 2026
