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Pumpherston process
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Pumpherston process

extraction process

Learn about this topic in these articles:

shale oil production

  • oil shale
    In oil shale: Pyrolysis

    The old Pumpherston process, used in Scotland beginning in 1862, involved external heating through the wall of the retort. This process was widely employed with various refinements introduced later in continental Europe. Modern technologies employing conduction through a wall are the Combustion Resources and Ecoshale In-Capsule processes,…

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