B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
252/2, 183/35
B01D 53/02 (2006.01) B01J 20/18 (2006.01)
Patent
CA 2015069
"PROCESS AND ADSORBENT FOR SEPARATING CO2 FROM A MIXTURE THEREOF WITH HYDROCARBON" ABSTRACT Clinoptilolites, including both natural clinoptilolites and those which have been ion-exchanged with metal cations such as lithium, sodium, potassium, calcium, magnesium, barium, strontium, zinc, copper, cobalt, iron and manganese, are useful as selective adsorbents for the removal of traces of carbon dioxide from streams of hydrocarbons having kinetic diameters of not more than about 5 Angstroms. Also disclosed is a modified clinoptilolite adsorbent containing sodium cations and non-sodium cation produced by a two step ion-exchange process wherein the first step exchanges sodium cations and the second step exchanges the non-sodium cation.
Chao Chien C.
Rastelli Henry
Macrae & Co.
Uop
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