Mining or in situ disintegration of hard material – With separation of materials
Patent
1977-05-25
1978-04-25
Novosad, Stephen J.
Mining or in situ disintegration of hard material
With separation of materials
166246, 299 18, C12B 100, E21B 4322, E21C 4110
Patent
active
040859720
ABSTRACT:
A process for recovering underground fossil fuel deposits retained in an inorganic matrix wherein the deposit is contacted with an aqueous medium of anaerobic microorganisms for a time sufficient to produce particles of the deposit containing both the organic fossil fuel and inorganic matrix of a size capable of forming a slurry with the aqueous medium for pumping to the ground surface. At the ground surface, the particulates are separated from the aqueous medium of anaerobic organisms, the particulates further processed by efficient surface techniques to separate the organic carbon and hydrocarbon component from the inorganic matrix. The aqueous medium of anaerobic organisms is recycled to the underground fossil fuel deposit for further production of the slurry forming particles of the deposit. Spent inorganic matrix may be added to the aqueous medium of anaerobic organisms to provide solid support and nutrient for the organisms and to maintain the desired pH. Such use of the spent inorganic matrix provides a useful service for the waste from the organic carbon and hydrocarbon recovery process.
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Ghosh Sambhunath
Klass Donald L.
Institute of Gas Technology
Novosad Stephen J.
Speckman Thomas W.
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