PROCESSES FOR FLOCCULATING TAILINGS STREAMS OF THE OIL PROSPECTION

A process for treating a tailings stream which comprises sand, clay fines and water, the process comprising the steps of: (i) adding one or more very low molecular weight anionic polymers; or one or more phosphate compounds; or a mixture thereof; and one or more high molecular weight polymer floccul...

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Bibliographische Detailangaben
Hauptverfasser: MACY, PATRICK, WATSON, WALTER PHILIP, FARINATO, RAYMOND, HURD, MICHAEL
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A process for treating a tailings stream which comprises sand, clay fines and water, the process comprising the steps of: (i) adding one or more very low molecular weight anionic polymers; or one or more phosphate compounds; or a mixture thereof; and one or more high molecular weight polymer flocculants to the tailings stream; and (ii) separating the solids from the flocculated stream.