Page 14 - PIGNAT catalogue 2020 GB_092020

MINI UNITS

ABS/100 GAS-LIQUID ABSORPTION

➢ Mass transfer between gas-phase and liquid-phase

Study the hydrodynamics of a packed column
Determine over flooding conditions
Determine packing factor

Study the absorption of CO 2
Materials balance on the gaseous solute
Determination the efficiency of the column by defining the HTU and NTU

General specifications Instrumentation
• 2 pipe U manometers.
• Liquid-phase feeding pump, magnetic • 2 water flowmeters.
drive, sampling valve. • CO 2 flowmeter.
• Air flowmeter.
• Glass column, in three parts:
- Column head, with SS plate equipped with
a liquid flow diffuser.
- Packed section, glass, Raschig rings, SS
Other pilot packing support.
- Column bottom, SS plate.
ABS/2000 Gas-liquid absorption • Enriched liquid-phase magnetic pump.
www.pignat.com
www.pignat.com Dim: 155 x 52 x 110 cm - 60 kg

• Receiver, polyethylene, draining valve.

CO 2
3 bar
100 - 240 V
100 NL/h
• Graduated glass funnel.
1ϕ - 50/60 Hz
2 bar

BATCH CRYSTALLIZATION CRA/100

➢ Study of the method of control cooling crystallization in a stirred mixture
➢ Batch process

Study of the process of crystallization
Seeding of the supersaturated solution

Parameters influence

Dissolution of the solid to re-crystallize

Keep the temperature of the saturated solution

General specifications Instrumentation

• Glass crystallization tank. PVC Flat cover in • Temperature probe Pt100.
polypropylene. • 2 digital thermometers.
• Flowmeter.
• Stirrer, 3 counter blades.

• SS immersed cooling coil.
Options
Crystals filtration :
• Thermostatic group hot / cold.
100 - 240 V Water Büchner filter
1ϕ - 50/60 Hz 500 L / h
Vacuum pump
Dim: 90 x 55 x 110 cm - 60 kg

14 Chemical engineering & unit operations