ENERGY AND WATER RECOVERY FROM PRESSURE OXIDATION FLASH VESSEL STEAM

The invention relates to a method for recovering energy and water from pressure oxidation flash steam where first flash steam directly obtained from a flash vessel is contacted with a first recirculating condensate having a first low condensate temperature to condense at least part of the water vapo...

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Bibliographic Details
Main Authors O'CALLAGHAN, John, PIEVILÄINEN, Risto, HAAKANA, Timo
Format Patent
LanguageEnglish
French
German
Published 21.11.2018
Subjects
BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FERROUS OR NON-FERROUS ALLOYS
FURNACES
HEATING
KILNS
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
OVENS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
RETORTS
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
WEAPONS
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Summary:The invention relates to a method for recovering energy and water from pressure oxidation flash steam where first flash steam directly obtained from a flash vessel is contacted with a first recirculating condensate having a first low condensate temperature to condense at least part of the water vapor in the first dirty flash steam and simultaneously to heat the first recirculating condensate to obtain a first recirculating condensate having a first high condensate temperature and a first vent steam. The invention further relates to a pressure oxidation arrangement adapted for use in the method.
Bibliography:Application Number: EP20130865273