Reverse Osmosis

PIGNAT Reverse Osmosis – OSM3000

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SKU: OSM3000 Categories: Chemical Processes, Water Sanitation Tags: Chemical, Purified Water, Waste/Water Treatment

Description

Description

Reverse osmosis membrane filtration process. Osmosed water production

Study the reverse osmosis process for water and various NaCl solutions:

Determine the osmotic pressure of water
Van’t Hoff equation
Determine how the overall retention of the module varies with the filtration pressure and initial concentration of the salt solution
Variation in the conversion rate of the membrane

Qualitative and quantitative comparison with experimental data:

Material balance
Influence of pressure on osmosed water production rate

Proposed experiments:

Filtration with water:
Determine the osmotic pressure of water.
Demonstrate the Van ’t Hoff equation.
Filter NaCl solutions with increasing concentrations:
For each concentration, measure the conductivity and permeate and concentrate flow rates.
Determine the overall NaCl retention of the module.
Determine the NaCl conversion rate.
Compare the qualitative and quantitative yield.

Technical description:

1 200L polyethylene tank with removable lid, isolating valve and draining valve.
Raw water feeding with cartridge filter.
Copper coil for cooling fluid circulation and isolating valves.
Low level switch.
Stainless steel multi stage centrifugal pump 0 to 20 bar , flow rate 4-12m³/hour. Isolating valve and pressure gauge 0-25 bar on the discharge pipe.
Reverse osmosis module.
- Stainless steel casing, polymer filament membrane.
- Pressure dial gauge 0 to 25 bar on the
- feeding section and adjusting valve.
Vinyl pipe permeate circuitry:
- Sampling valve
- Float flow meter, 64 to 640 L/hour.
- 100L polyethylene storage tank, graduated, with removable lid and draining valve
Vinyl pipe retentate circuitry:
- Sampling valve
- Pressure retaining valve
- Float flow meter, 300 to 3000 L/hour.
- 100L polyethylene storage tank, graduated, with removable lid and draining valve
Stainless steel by-pass circuitry:
- Pressure-retaining valve.

Instrumentation

3 manometers.
3 PVC flowmeters
2 combined probes (conductivity and temperature) with portable electronic indication.

Dim : 200 x 80 x 195 cm – 125 kg
SS tubular framework 40 x 40mm

For a complete product data sheet and a list of reference sites please call 1-877-967-2726.

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University of Regina

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University of Waterloo

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York University

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University of Guelph

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CCNB

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CCNB

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SAIT Polytechnic

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University of Waterloo

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University of Waterloo

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University of Toronto

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École Polytechnique de Montreal

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University of Moncton

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Kativik School Board

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Concordia University

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Director, Teaching Labs

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Andrew Orton
Sheridan College

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