Cleaning of oleaginous water III
AssigneeCameron Systems AS
InventorJorn Folkvang
Life of this patent
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Abstract
The present invention comprises a process and apparatus for separation of hydrocarbons from hydrocarbon-containing produced water, wherein in stage 1 the hydrocarbon-containing produced water is supplied with a gas-containing component, whereupon a gas- and hydrocarbon-containing produced water mixture is fed to an inlet tube (22, 27) in the center of a tank, whereupon the said mixture is tangentially distributed via at least one nozzle (7) and at least one baffle plate (8.1), whereupon separated hydrocarbons are conveyed to at least one outlet from the tank and cleaned water is conveyed to an outlet (12) from the tank.
Claims12
An apparatus for separation of oil from oil-containing water, including:
- a tank including a sidewall and a hollow interior with an axis defined through the tank;
- a gas injection line;
- an inlet tube extending into the tank interior and connected with the gas injection line;
- a separation plate dividing the tank interior into a first tank chamber and a second tank chamber;
- a first nozzle extending from the inlet tube and radially outward into the first tank chamber with respect to the tank axis and configured to convey oil-containing water into the first tank chamber;
- a second nozzle extending from the separation plate and radially outward into the second tank chamber with respect to the tank axis and configured to convey oil-containing water into the second tank chamber;
- the first nozzle or the second nozzle ending tangentially along the sidewall of the tank to distribute the oil-containing water tangentially along the sidewall of the tank;
- an outlet in the bottom of the tank;
- and
- an outlet at the top of the tank.
Dependencies are inferred from the claim text.