PROCESS FOR RECOVERY FOR SOLVENT FROM TAR SAND BITUMEN

There is described herein a process based on unit operations conventionally employed but modified to enable the use of chlorinated solvents, particularly methylene chloride as the preferred solvent, for extraction of the bitumen from the tar sands or shale. The process in general constitutes: I. an...

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Bibliographische Detailangaben
Hauptverfasser: GROVES, KENNETH O, GIMBER, GERALD A, HASCHKE, ELLIOT M
Format: Patent
Sprache:eng ; fre
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