ENERGY EFFICIENT NAPHTHENE RECYCLE VIA THE USE OF A SIDE DRAW FRACTIONATION TOWER AND PARTIAL CONDENSATION

ENERGY EFFICIENT NAPHTHENE RECYCLE VIA THE USE OF A SIDE DRAW FRACTIONATION TOWER AND PARTIAL CONDENSATION

Processes for the energy efficient recycle of naphthenes in a paraxylene manufacturing process comprise partially condensing a reactor effluent and using a sidedraw tower apparatus. The naphthenes are efficiently separated into the sidedraw stream of the sidedraw tower apparatus. At least a portion...

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1. Verfasser: AMELSE, JEFFREY, ALLEN
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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description Processes for the energy efficient recycle of naphthenes in a paraxylene manufacturing process comprise partially condensing a reactor effluent and using a sidedraw tower apparatus. The naphthenes are efficiently separated into the sidedraw stream of the sidedraw tower apparatus. At least a portion of the sidedraw stream is directed to a paraxylene recovery section that produces a paraxylene product and a paraxylene lean stream comprising essentially all of the naphthenes in the sidedraw stream directed to the paraxylene recovery section. The paraxylene lean stream is recycled back to the reactor thereby preventing excessive loss of naphthenes from the processes.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title ENERGY EFFICIENT NAPHTHENE RECYCLE VIA THE USE OF A SIDE DRAW FRACTIONATION TOWER AND PARTIAL CONDENSATION
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