A method and a system for purification of oil, said method comprising the steps of: -providing separation aid and oil to be purified to at least one sedimentation tank; -waiting for allowing a sludge phase to sediment to a bottom part of the sedimentation tank, said sludge phase comprising the separation aid together with impurities from the oil; -removing an oil phase not comprising said sludge phase from the at least one sedimentation tank; and -filtering said oil phase through a depth filter for removing any possible remaining separation aid and impurities.

A method and a system for purification of oil, said method comprising the steps of: -providing separation aid and oil to be purified to at least one sedimentation tank; -waiting for allowing a sludge phase to sediment to a bottom part of the sedimentation tank, said sludge phase comprising the separation aid together with impurities from the oil; -removing an oil phase not comprising said sludge phase from the at least one sedimentation tank; and -filtering said oil phase through a depth filter for removing any possible remaining separation aid and impurities.

The present disclosure is directed to a separation system having a first inlet line through which a multiphase fluid is directed; a first separator connected to the first inlet line, the first separator being configured to separate the fluid into a heavy fraction primarily comprising solids and a light fraction primarily comprising gas, oil and water, the first separator comprising a heavy fraction outlet for discharge of the heavy fraction and a light fraction outlet for discharge of the light fraction; a heavy fraction outlet line connected to the heavy fraction outlet; a light fraction outlet line connected to the light fraction outlet; a second inlet line connected to the light fraction outlet line; a second separator connected to the second inlet line, the second separator being configured to separate the light fraction into separate gas, oil and water fractions, and the second separator comprising a gas outlet for discharge of the gas fraction, an oil outlet for discharge of the oil fraction, and a water outlet for discharge of the water fraction; a gas line connected to the gas outlet, an oil line connected to the oil outlet and a water line connected to the water outlet; a plurality of electrically operated valves for controlling fluid flow through respective ones of said lines; a plurality of sensors for measuring respective characteristics of the fluid; and a system controller configured to operate the valves based on inputs from the sensors to thereby control fluid flow through said lines.

The present disclosure is directed to a separation system having a first inlet line through which a multiphase fluid is directed; a first separator connected to the first inlet line, the first separator being configured to separate the fluid into a heavy fraction primarily comprising solids and a light fraction primarily comprising gas, oil and water, the first separator comprising a heavy fraction outlet for discharge of the heavy fraction and a light fraction outlet for discharge of the light fraction; a heavy fraction outlet line connected to the heavy fraction outlet; a light fraction outlet line connected to the light fraction outlet; a second inlet line connected to the light fraction outlet line; a second separator connected to the second inlet line, the second separator being configured to separate the light fraction into separate gas, oil and water fractions, and the second separator comprising a gas outlet for discharge of the gas fraction, an oil outlet for discharge of the oil fraction, and a water outlet for discharge of the water fraction; a gas line connected to the gas outlet, an oil line connected to the oil outlet and a water line connected to the water outlet; a plurality of electrically operated valves for controlling fluid flow through respective ones of said lines; a plurality of sensors for measuring respective characteristics of the fluid; and a system controller configured to operate the valves based on inputs from the sensors to thereby control fluid flow through said lines.

A waste water treatment apparatus includes a housing having a settling tank mounted therein, the settling tank adapted to receive waste water. A skimming device is mounted in the settling tank to remove any fats, oils, or grease (“FOG”) that settles on the surface of the waste water. A drain is provided in a downstream end of the settling tank for removing water from the settling tank. An inlet end of the drain is defined by a weir that controls the water level within the settling tank. A sediment removal system adapted to remove sediment collected in the bottom of the settling tank.

A waste water treatment apparatus includes a housing having a settling tank mounted therein, the settling tank adapted to receive waste water. A skimming device is mounted in the settling tank to remove any fats, oils, or grease (“FOG”) that settles on the surface of the waste water. A drain is provided in a downstream end of the settling tank for removing water from the settling tank. An inlet end of the drain is defined by a weir that controls the water level within the settling tank. A sediment removal system adapted to remove sediment collected in the bottom of the settling tank.

The system for a continuous dewatering recirculating for removing particulate such as coal combustion residue from a water stream. The system includes multiple dewatering and recirculation containers, each having a submerged flight conveyor and lamella settlings plate located therein, at least one dewatering and recirculation container receives ash water stream overflow.

The system for a continuous dewatering recirculating for removing particulate such as coal combustion residue from a water stream. The system includes multiple dewatering and recirculation containers, each having a submerged flight conveyor and lamella settlings plate located therein, at least one dewatering and recirculation container receives ash water stream overflow.

A floating liquid intake for a liquid suction removal system, the liquid intake comprising housing defining an internal cavity. The housing has a hollow and buoyant annular body, an upper cover and a lower cover. The internal cavity is formed between the upper and lower covers. A substantially annular inlet is formed in the annular body for ingress of liquid into the cavity. The annular body has a buoyancy sufficient for the liquid intake to float in a liquid with the annular inlet submerged below the surface of the liquid in which the liquid intake is floating. A pipe extends into the cavity and the pipe includes an inlet that in use is open below the surface of the liquid within the cavity. The pipe extends outside of the cavity for connection to a liquid suction removal system.

A filtering system capable of removing particulates from a water slurry is disclosed. The filtering system comprises a base plate, the base plate comprising a sealing surface and a slurry inlet. A flexible vessel is configured to seal to the sealing surface, and an interior cavity, wherein the flexible vessel is formed of a flexible filtering material capable of retaining particulates. The flexible vessel permits liquid entering through the slurry inlet to pass through the filtering material and is capable of withstanding an internal pressure sufficient to form a particulate cake without rupturing the flexible vessel. A sealing system is provided for retaining an upper portion of the flexible vessel against the sealing surface. The filtering system may be part of a portable system that includes a cart, hoses, piping, a pneumatic pump and a control panel.