Sedimentation Studies Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-TWL-9104
Jlab Export is a leading Sedimentation Studies Apparatus Manufacturer,and suppliers in India
Five graduated glass cylinders on this sedimentation set-up let a class settle five slurries at once and compare them. Students time the fall of the interface between clear liquid and slurry and plot a batch settling curve for each one. The borosilicate cylinders lift out for cleaning, and the set-up is used to study zone settling.
Specifications
| Cylinders | 5, borosilicate glass, graduated |
| Cylinder mounting | Removable for cleaning |
| Measurement | Interface height against time, timed by stopwatch |
| Settling studied | Zone settling, free and hindered |
| Experiments | Effect of initial concentration and suspension height, flocculating additives, particle size distribution |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Manufacturer | JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India |
Batch Settling Experiments
Slurries of chalk or fine sand in water are made up at five concentrations from solids weighed on an Electronic Analytical Balance. Each cylinder is filled to the same height, mixed and left to stand. The interface height is read off the graduations at intervals timed with a Digital Stop Watch Economy Model.
Height against time gives the settling curve: a straight constant-rate part, a falling-rate part and a final compression stage. With the Kynch method, a tangent at any point gives the settling velocity. Its intercept on the height axis gives the concentration at that interface, the data used to size a thickener. Later runs compare different starting heights, add a flocculating agent to one cylinder, or use solids sieved into size fractions on a Test Sieve.
Frequently Asked Questions
What is the difference between free and hindered settling?
In free settling each particle falls without being affected by its neighbours. In hindered settling the particles are close enough to interfere, so the settling rate drops. Most slurries, including most runs in these cylinders, settle under hindered conditions.
Why are there five cylinders?
Five cylinders let one class run five concentrations, five starting heights, or treated and untreated slurries together, under the same conditions and against one clock. The curves are then easy to compare on one graph.
What is the critical point on a settling curve?
It is the moment when all the solids have reached the sludge zone and only clear liquid lies above. After it, the interface falls slowly as the sludge compresses under its own weight. The time to reach it is used in thickener design.
Which zones form in a settling cylinder?
Four zones appear: clear liquid at the top, slurry at the starting concentration, a transition zone and a concentrated sludge zone at the bottom. With time the middle zones shrink until only clear liquid and sludge remain.
Other Separation and Particle Lab Units
- Fluidisation and Fluid Bed Heat Transfer Unit
- Reverse Osmosis Ultrafiltration Unit
- Solid Liquid Extraction Unit
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Last updated: 6 November 2026
