PROCESS FOR INCREASING THE CONCENTRATION OF NORMAL HYDROCARBONS IN A LIGHT NAPHTHA STREAM

PROCESS FOR INCREASING THE CONCENTRATION OF NORMAL HYDROCARBONS IN A LIGHT NAPHTHA STREAM

A process increases the concentration of normal paraffins in a feed stream comprising separating a naphtha feed stream into a normal paraffin rich stream and a non-normal paraffin rich stream. A naphtha feed stream may be separated into a normal paraffin stream and a non-normal paraffin stream. An i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Funk, Gregory, Bajpai, Hari S, Patel, Nikunj, Sohn, Stephen W, Ploentham, Cora Wang, Kumar, Manoj
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A process increases the concentration of normal paraffins in a feed stream comprising separating a naphtha feed stream into a normal paraffin rich stream and a non-normal paraffin rich stream. A naphtha feed stream may be separated into a normal paraffin stream and a non-normal paraffin stream. An isomerization feed stream may be taken from the non-normal paraffin stream and isomerized over an isomerization catalyst to convert non-normal paraffins to normal paraffins and produce an isomerization effluent stream. The isomerization effluent stream may be separated into a propane stream and a C4+ hydrocarbon stream optionally in a single column. The C4+ hydrocarbon stream may be recycled to the step of separating a naphtha feed stream.