SYSTEMS AND METHODS FOR ENHANCING THE EXTRACTIVE SECTION OPERABILITY AND MODIFYING SOLVENT HEAT RECOVERY CYCLE IN THE SEPARATION OF C4 MIXTURES

SYSTEMS AND METHODS FOR ENHANCING THE EXTRACTIVE SECTION OPERABILITY AND MODIFYING SOLVENT HEAT RECOVERY CYCLE IN THE SEPARATION OF C4 MIXTURES

A system and a method for separating C4 and recovering 1,3-butadiene are disclosed. The system includes a main washer column, a rectifier column for separating a bottom stream from the main washer column, an after washer column for purifying 1,3-butadiene from a side stream of the rectifier column c...

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Hauptverfasser: ABDELGHANI, Mohammed Sabri, ALSHEHRI, Ahmad Mahdi, ALZENAIDI, Ahmed
Format: Patent
Sprache:eng ; fre ; ger
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator ABDELGHANI, Mohammed Sabri
ALSHEHRI, Ahmad Mahdi
ALZENAIDI, Ahmed
description A system and a method for separating C4 and recovering 1,3-butadiene are disclosed. The system includes a main washer column, a rectifier column for separating a bottom stream from the main washer column, an after washer column for purifying 1,3-butadiene from a side stream of the rectifier column comprising acetylenes and butadienes, a degasser column for separating a bottom stream from the rectifier column to produce a lean solvent stream. The lean solvent stream comprises primarily the solvent and about 8.3% water used in the main washer column and after washer column. A reboiler for the rectifier column includes one or more heat exchange units. At least one of the heat exchange units of the reboiler for the rectifier column uses steam as heating medium.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title SYSTEMS AND METHODS FOR ENHANCING THE EXTRACTIVE SECTION OPERABILITY AND MODIFYING SOLVENT HEAT RECOVERY CYCLE IN THE SEPARATION OF C4 MIXTURES
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