Chemistry of hydrocarbon compounds – Saturated compound synthesis – By isomerization
Patent
1996-11-20
1998-01-06
Caldarola, Glenn
Chemistry of hydrocarbon compounds
Saturated compound synthesis
By isomerization
585737, 585739, 585741, 585743, 585742, 585747, 585748, 585823, 585820, C07C 513, C07C 712
Patent
active
057057303
ABSTRACT:
A process for the isomerization of hydrocarbons using a chloride promoted catalyst wherein an adsorption zone arrangement operates to maintain chloride compounds in the reaction zone and to prevent contamination of product streams with chloride compounds removes normal paraffins from the desorbent stream to extend the capacity and life of a clinoptilolite molecular sieve. The invention preferably uses isoparaffins recovered from the isomerization zone as a desorbent. A gaseous fraction of the isomerization zone effluent can be recovered to provide a desorbent containing a low concentration of normal paraffins.
REFERENCES:
patent: 4935580 (1990-06-01), Chao et al.
patent: 4964889 (1990-10-01), Chao
patent: 5164076 (1992-11-01), Zarchy et al.
patent: 5336834 (1994-08-01), Zarchy et al.
patent: 5516963 (1996-05-01), Zarchy et al.
Kass Lawrence Tucker
Zarchy Andrew S.
Caldarola Glenn
Dang Thuan D.
McBride Thomas K.
Tolomei John G.
UOP
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