SYSTEM FOR DEAERATION IN A FLASH VESSEL DOWNSTREAM OF A GASIFIER

SYSTEM FOR DEAERATION IN A FLASH VESSEL DOWNSTREAM OF A GASIFIER

The disclosed embodiments relate to systems for deaerating a stream of slag sump water produced by a gasifier. For example, in one embodiment, a system 10 includes a flash vessel having a first inlet configured to introduce a first fluid into the flash vessel, wherein the flash vessel is configured...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Stevenson, John Saunders, Brahmbhatt, Vishal, Gulko, George Morris, Konda, Srikanth, Benipal, Rupinder Singh
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CARBURETTING AIR OR OTHER GASES
CHEMISTRY
FUELS
LUBRICANTS
METALLURGY
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES
SEPARATION
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:The disclosed embodiments relate to systems for deaerating a stream of slag sump water produced by a gasifier. For example, in one embodiment, a system 10 includes a flash vessel having a first inlet configured to introduce a first fluid into the flash vessel, wherein the flash vessel is configured to flash the first fluid to produce a first flash gas, a second inlet configured to introduce a stream from slag sump into the flash vessel, wherein the stream from slag sump comprises a mixture of a gasification fine slag, dissolved oxygen (O 2 ), and water. A gas-liquid contactor 124 in the flash vessel is configured to contact the stream from slag sump with the first flash gas to enable the first flash gas to deaerate the stream from slag sump. A first outlet of the vessel is configured to output an overhead discharge comprising the first flash gas and oxygen from the stream from slag sump.