separation process technology - indian institute of...
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Separation Process Technology
S. BasuDepartment of Chemical Engineering
Indian Institute of Technology Delhi
Clean air
Recycle contaminant
Effluent air By-products
Products
Recycle contaminant
Impurity
Clean water
Effluent water
separation separationReactor
separation
separation
Separation Processes in Manufacturing
Raw materials recycle
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Crude Refining
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Ethylene to Ethanol
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Distillation
Solvent extractionAdsorption
Sedimentation
Membrane separation
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Separation of Propylene and Propane
Structured Packing Column
Structured Material
Typical Plate Column Internal
Plate design
Tray with valve cap
perforationValve cap
Bubble cap
Random Packing Material
Liquid-liquid Extraction
Ib/h
Typical liq-liq extraction process
Extractor
Settler
Fluid-Fluid Contacting Column
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Membrane Separation
PolyimidepolystyrenePolysulfonePTFEpolycarbonate
Membrane shapes
Membrane module
Ion-exchange resins
Adsorption Ion-exchange
adsorbate
Activated carbonActivated aluminaSilica gelMolecular sieve zeolite
-SO3-H+
-NH3+OH-
Water demineralization
Gas bulk separation – O2 / N2 Gas purification – removal of org. from vent streamLiquid purification – decolourisation of waterLiquid bulk separation – n-paraffins, iso-paraffins
Crystalline inorganic polymers of aluminosilicatesZSM 4A - Na12[(AlO2)12 (SiO2)12] - 3.8 Å - H2O, CO2 removal, air separation
Pressure swing adsorption (PSA)Temp swing adsorption (TSA)
Soldac Process
Adsorption – fluidized bedDesorption – moving bed
ThickenerSolid Removal
Drying
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Tech. Maturity andFuture Scope