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Distillation though a workhorse can have limitations because of close boiling
points, distillation boundries or other. In that case we can use some other
separation techniques on its own or in combination with distillation. The other
separations we utilize are Freeze Crystallization, Liquid-Liquid extraction.
For polishing liquids or to remove pollutants from Gaseous steams we utilize
adsorption using activated carbon from or molecular sieves.
Fractional
Crystallization: Fractional crystallization
can be very cost effective under certain situations
and can be used alone or in combination with distillation.
We have supplied two commercial scale Melt crystallizers of size 12 and 6 T. We have three pilot units of capacities 25 lit to 90 liter, for conducting trials.
We have conducted successful trials on:
- Organic Isomers: PBT/OBT/mBT, acetophenone isomers
- Menthol Processing: CMO to liquid menthol of99% purity, LM-iso menthol separation
- Oleo Chemicals: Oleic acid purifications
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We can supply: |
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- Melt crystallizers
- Suspension Crystallizers with equipments for
melt separations.
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Liquid-Liquid
Extraction:
LLE can be useful in combination
with distillation in some cases like AcOH-Water,
MTBE-Acetone etc. We can supply total skid mounted
plants.We have a 50 NB x 10 m packed bed Liq-Liq Extraction pilot unit. The systems successfully scaled up are phenol-water, DMF-water,MTBE-acetone |
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We can also
design and supply: |
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- Hydro cyclones and Cyclone separators.
- Decanters (Phase Separators) with very low
hold- up
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Adsorption: |
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We can engineer following systems
- Recovery solvents like toluene from Solvent Laden Air (SLA)
- Solvent Drying by Molecular sieves like ethanol
- Polishing of liquids for removal of odor like vodka
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