Page 32 - Adsorption Technology & Design, Elsevier (1998)

Adsorbents 29

Table 2.5 cont.

Type Typical applications
i ill ill ii i i J ii i i i ii i i ll| ill i i
Zeolites Oxygen from air
Drying of gases
Removing water from azeotropes
Sweetening sour gases and liquids
Purification of hydrogen
Separation of ammonia and hydrogen
Recovery of carbon dioxide
Separation of oxygen and argon
Removal of acetylene, propane and butane from air
Separation of xylenes and ethyl benzene
Separation of normal from branched paraffins
Separation of olefins and aromatics from paraffins
Recovery of carbon monoxide from methane and hydrogen
Purification of nuclear off-gases
Separation of cresols
Drying of refrigerants and organic liquids
Separation of solvent systems
Purification of silanes
Pollution control, including removal of Hg, NOx and SO,,
from gases
Recovery of fructose from corn syrup
Polymers and resins
Water purification, including removal of phenol,
chlorophenols, ketones, alcohols, aromatics, aniline,
indene, polynuclear aromatics, nitro- and
chlor-aromatics, PCBs, pesticides, antibiotics,
detergents, emulsifiers, wetting agents, kraftmill
effluents, dyestuffs
Recovery and purification of steroids, amino acids and
polypeptides
Separation of fatty acids from water and toluene
Separation of aromatics from aliphatics
Separation of hydroquinone from mon.omers
Recovery of proteins and enzymes
Removal of colours from syrups
Removal of organics from hydrogen peroxide
Clays (acid treated and Treatment of edible oils
pillared) Removal of organic pigments
Refining of mineral oils
Removal of polychlorinated biphenyls (PCBs)