SOLIDIFICATION OF WASTE BRINE FROM IN SITU HYDROCARBON RECOVERY OPERATIONS

There is provided a process and solidification formulation for treating waste brines derived from a thermal in situ hydrocarbon recovery operation. The waste brines can be from a SAGD operation, a crystallizer blowdown stream, an evaporator blowdown stream, and/or an OTSG blowdown stream. The proces...

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Bibliographische Detailangaben
Hauptverfasser:	WEIMER, LANNY, KUPAR, JOHN, SELINGER, ANITA, NOWAK, JAMES, PERNITSKY, DAVID, BENNETT, GREGORY, HAUSSMANN, CHRISTIAN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS METALLURGY MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	There is provided a process and solidification formulation for treating waste brines derived from a thermal in situ hydrocarbon recovery operation. The waste brines can be from a SAGD operation, a crystallizer blowdown stream, an evaporator blowdown stream, and/or an OTSG blowdown stream. The process includes addition of the solidification formulation to the waste brine to produce a solidified waste that can be disposed of in landfills. The solidification formulation can be prepared according to the chemical characteristics of the waste brine. The solidification formulation added to the waste brine can include fly ash having high carbon content, such as fly ash derived from petroleum-coke. Calcium-containing compounds and silica-containing compounds can also be included in the solidification formulation.