System and process for hydrocyclone separation of particulate solids and at least one liquid phase from a multiphase liquid mixture
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United States of America Patent
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Sep 27, 1994
Grant Date -
N/A
app pub date -
Sep 11, 1992
filing date -
Sep 11, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a system for separating a multiphase liquid mixture into a plurality of streams. The invention has particular utility in the oil industry where particulate solids are produced with an oil/water mixture. Preferably, the mixture is first cyclonically separated to remove particulate solids from the oil and water. Then the mixture is delivered to a liquid/liquid hydrocyclone where a substantial portion of the oil is separated from the remaining mixture which now primarily comprises water. The pressure of the remaining mixture is elevated such as by a pump and is then subjected to a further cyclonic separation step to remove any remaining fine solids in the mixture.
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