PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION

PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION

The present invention relates to a process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction, comprising: -feeding the aqueous stream (1) containing organic by-products of the reaction to a distillation or stripping column (10); -collection from the column of a distill...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: D'OLIMPIO, PAOLO, MIGLIO, ROBERTA, CARNELLI, LINO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:The present invention relates to a process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction, comprising: -feeding the aqueous stream (1) containing organic by-products of the reaction to a distillation or stripping column (10); -collection from the column of a distillate (2) enriched in alcohols having from 1 to 8 carbon atoms and other possible volatile compounds-feeding the aqueous stream leaving the bottom of the column (3) to a reverse osmosis unit (20) and the production of two outgoing streams; -an aqueous stream (4) enriched in organic acids with from 1 to 8 carbon atoms; -a partially purified aqueous stream (5) with a low acid content.