The disclosure provides a device and method for extracting a clean liquid from a slurry reactor in an environment-friendly and energy-saving manner. The method mainly includes the following steps: S1. siphoning slurry in the slurry reactor into a material collecting pipe, and then spraying the slurry into a settling tank, so that solid particles settle in the settling tank and return to the slurry reactor through a discharging pipe; S2. making supernatant in the settling tank flow upward along a settling pipe, and then flow downward at a pipe intersection into a clear liquid pipe and flow into a clear liquid transition tank; S3. discharging liquid from the clear liquid transition tank in an overflow manner to keep the constant liquid level and a pressure required for siphoning; and S4. introducing gas in the material collecting pipe into an escape pipe and continuously discharging the gas to ensure that the liquid level in the escape pipe is always higher than the pipe intersection so as to ensure that the slurry reactor and the clear liquid transition tank are always communicated and the liquid levels are the same. The device according to the disclosure is simple in structure, and the process is simple, safe and reliable, and is not prone to failure. It is easy to implement large-scale continuous operation and adjust separation efficiency and precision. The device requires low equipment investment and is low in operation cost and environmentally friendly.

The disclosure provides a device and method for extracting a clean liquid from a slurry reactor in an environment-friendly and energy-saving manner. The method mainly includes the following steps: S1. siphoning slurry in the slurry reactor into a material collecting pipe, and then spraying the slurry into a settling tank, so that solid particles settle in the settling tank and return to the slurry reactor through a discharging pipe; S2. making supernatant in the settling tank flow upward along a settling pipe, and then flow downward at a pipe intersection into a clear liquid pipe and flow into a clear liquid transition tank; S3. discharging liquid from the clear liquid transition tank in an overflow manner to keep the constant liquid level and a pressure required for siphoning; and S4. introducing gas in the material collecting pipe into an escape pipe and continuously discharging the gas to ensure that the liquid level in the escape pipe is always higher than the pipe intersection so as to ensure that the slurry reactor and the clear liquid transition tank are always communicated and the liquid levels are the same. The device according to the disclosure is simple in structure, and the process is simple, safe and reliable, and is not prone to failure. It is easy to implement large-scale continuous operation and adjust separation efficiency and precision. The device requires low equipment investment and is low in operation cost and environmentally friendly.

Provided are embodiments that include a hydrocarbon fluid processing system including an ultrasonic hydrocarbon degassing unit including a vapor recovery vessel adapted to direct flow of a hydrocarbon fluid mixture along a flowpath extending through an interior of the vapor recovery vessel, and an ultrasonic transducer system disposed inside the vapor recovery vessel and in the flowpath of the hydrocarbon fluid mixture. The hydrocarbon fluid mixture including a hydrocarbon liquid and a gas entrained in the hydrocarbon liquid, the ultrasonic transducer system adapted to transmit ultrasonic signals into the hydrocarbon fluid mixture along the flowpath, and the ultrasonic signals adapted to separate the gas from the hydrocarbon liquid.

Systems and methods are described for supplying a rinsing liquid including ultrapure water and an ammonia gas. The system includes an ultrapure water source and a gas mixture source in fluid communication with a contactor. The gas mixture includes ammonia gas and a carrier gas. The system includes a control unit configured to adjust a flow rate of the ultrapure water source such that an operational pressure of the contactor remains below a pressure threshold. The system includes a compressor configured to remove a residual transfer gas out of the contactor. The contactor generates a rinsing liquid having ultrapure water and a concentration of the ammonia gas dissolved therein. The system includes a pump in fluid communication between the contactor and an outlet. The pump is configured to deliver the rinsing liquid having a gaseous partial pressure below the pressure threshold at the outlet.

Systems and methods are described for supplying a rinsing liquid including ultrapure water and an ammonia gas. The system includes an ultrapure water source and a gas mixture source in fluid communication with a contactor. The gas mixture includes ammonia gas and a carrier gas. The system includes a control unit configured to adjust a flow rate of the ultrapure water source such that an operational pressure of the contactor remains below a pressure threshold. The system includes a compressor configured to remove a residual transfer gas out of the contactor. The contactor generates a rinsing liquid having ultrapure water and a concentration of the ammonia gas dissolved therein. The system includes a pump in fluid communication between the contactor and an outlet. The pump is configured to deliver the rinsing liquid having a gaseous partial pressure below the pressure threshold at the outlet.

An oil tank assembly for a gas turbine engine may include an oil tank having an upper compartment and a lower compartment. A baffle may separate the upper compartment of the oil tank from the lower compartment of the oil tank. A de-aerator may be included, where the de-aerator includes an oil inlet, a de-aerator outlet, and an air vent. The de-aerator may be configured to separate air from oil in an air-oil mixture such that the oil flows through the de-aerator outlet and such that the air flow through the vent. Further, the de-aerator may include a fill port for receiving oil.

A crude oil demulsification system includes a vessel. A cyclonic separator is disposed outside the vessel. The cyclonic separator is configured to receive and separate phases of a multi-phase fluid stream into a gaseous stream and a liquid stream that includes a first liquid phase and a second liquid phase by inducing cyclonic flow. A heat exchanger is fluidically connected to the cyclonic separator. The heat exchanger is disposed outside the vessel, and is configured to receive the liquid stream and to heat the liquid stream by exchanging heat with a heating medium flowed through the heat exchanger. An electrostatic coalescer is fluidically connected to the heat exchanger and is disposed inside the vessel. The electrostatic coalescer is configured to receive the liquid stream heated by the heat exchanger and to demulsify the liquid stream by causing coalescence of liquid droplets of one of the first or second liquid phases.

A centrifugal coolant gas separator (CCGS) for a cooling system is provided. In one example configuration, the CCGS includes a main body defining a cyclone separator chamber therein configured to separate a flow of coolant into gas and liquid coolant, a liquid outlet formed in the main body and configured to receive the separated liquid coolant from the cyclone separator chamber, and a gas outlet formed in the main body and configured to receive the separated gas from the cyclone separator chamber. A first inlet is configured to receive a forced flow of a first portion of a coolant flow, and a second inlet is configured to receive a second portion of the coolant flow. The forced first portion of coolant flow induces the second portion of coolant flow into the cyclone separator chamber for subsequent gas and liquid coolant separation of the first and second portions of coolant flow.

An exhaust gas flow control system for an oxygenator of an extracorporeal ventilation system connected to an oxygenation gas supply line and to an exhaust line for removal of exhaust gas comprises a flow control path, a pressure control path, an exhaust flow regulator responsive to the controller, and an exhaust gas pressure regulator responsive to a controller configured to maintain a pre-determined pressure level in the exhaust line. This provides a better degree of control over the pressure across the oxygenator from oxygenation gas inlet to exhaust.

An experimental device and method for testing foam fluid properties and defoaming separation effects, the experimental device including a foam generation module configured to generate a foam fluid, an experimental loop configured to transport the foam fluid and enable the foam fluid to sufficiently develop in a loop, a foam property test module configured to test foam fluid properties, a foam separation processing module configured to separate foam from fluid and gas, and a defoaming result evaluation module configured to test and evaluate defoaming results. In the method, different foam fluids are generated in the foam generation module and are transported to the foam property test module and different foam separation processing modules through the experimental loop, and the foam properties of the foam fluids and defoaming separation effects are measured by the foam property test module and the defoaming result evaluation module connected to the foam separation processing module.