Processes for separating para-xylene from toluene

Processes for separating para-xylene from toluene

Processes and apparatuses for para-xylene separation. A stream of para-xylene is separated from a toluene stream in a fractionation column. An overhead stream of the fractionation column is compressed and then passed to a heat recovery zone to transfer heat from the overhead stream to another proces...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Arnold, Ellen, Montalbano, Joseph, Tsai, Robert E
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:Processes and apparatuses for para-xylene separation. A stream of para-xylene is separated from a toluene stream in a fractionation column. An overhead stream of the fractionation column is compressed and then passed to a heat recovery zone to transfer heat from the overhead stream to another process stream in, for example, a heat exchanger. The fractionation column may be separating an effluent from a toluene methylation reactor.