An apparatus for mass producing monodisperse microbubbles includes a microfluidic flow focusing device, which includes a dispersed phase fluid supply channel having an outlet that discharges into a flow focusing junction, a continuous phase fluid supply channel having an outlet that discharges into the flow focusing junction, and a bubble formation channel having an inlet disposed at the flow focusing junction. The configuration of the flow focusing junction is such that, in operation, a flow of dispersed phase fluid discharging from the outlet of the dispersed phase fluid supply channel is engageable in co-flow by a focusing flow of continuous phase fluid discharging from the outlet of the at least one continuous phase fluid supply channel under formation of a gradually thinning jet of dispersed phase fluid that extends into the inlet of the bubble formation channel.

Present disclosure a multi-component supercritical thermal fluid generation system and method with segmented air supply. The outlet of a water tank is communicated with the preheated water inlet of a multi-component supercritical thermal fluid generator body, the preheated water outlet of the multi-component supercritical thermal fluid generator body is communicated with the cold fluid inlet of a heat exchanger, the product outlet at the upper part of the multi-component supercritical thermal fluid generator body is communicated with the thermal fluid inlet of the heat exchanger, and the slag outlet at the lower part of the multi-component supercritical thermal fluid generator body is communicated with the inlet of a slag discharge lock hopper. Through the reasonable coupling design of the supercritical water gasification heat absorption zone and the oxidation reaction heat release zone in the multi-component thermal fluid generator, the self-heating of the multi-component supercritical thermal fluid generation system is realized.

An air bleeder includes a branch, a lubricant supply conduit, and a return conduit. Lubricant stored in a tank is to be supplied to a valve provided in a machine tool via the lubricant supply conduit. The lubricant supply conduit includes a first supply conduit, and a second supply conduit. The first supply conduit connects the branch and the tank. The second supply conduit connects the branch at a first connecting position and the valve. The return conduit connects the tank and the branch at a second connecting position higher than the first connecting position in a height direction along a height of the air bleeder to return lubricant to the tank and to remove air from lubricant in the lubricant supply conduit.

This application relates to a system of treating wastewater wherein an oxygen infusion system is used to supersaturate wastewater before aerobic biological processes, wherein oxygen is transferred to the wastewater free of oxygen bubbles and achieves a reduction in power demand for the aeration process of wastewater.

A method of obtaining a numerical model is disclosed. The numerical model correlates estimated capillary tube output diameter values to minimum pressure for gas bubble generation (MPGBG) values. An MPGBG value of each capillary tube in the reference group is measured for a liquid. An output diameter of each of the capillary tubes is measured by a microscope apparatus. A numerical model that correlates estimated capillary tube output diameter values to MPGBG values for the liquid is calculated. A method of estimating an output diameter of a capillary tube includes the following steps. An MPGBG value of the capillary tube for a liquid is measured, and the measured MPGBG value is input into the numerical model to estimate the capillary tube output diameter value. Other methods include a method of estimating an output diameter value of a capillary tube in a test group, a method of estimating and storing output diameter values of capillary tubes in a test group, methods of selecting at least one capillary tube from a plurality of capillary tubes in a test group, and a method of cutting a capillary tube to a desired estimated capillary tube output diameter value.

The present application discloses a ozonated water delivery system which includes at least one contacting device in communication with at least one ultrapure water source configured to provide ultrapure water, at least one ultrapure water conduit coupled to the ultrapure water source, at least one solution in communication with the contacting device and the ultrapure water source via the ultrapure water conduit, one or more gas sources containing at least one gas in communication with at least one of the ultrapure water source, the ultrapure water conduit, and the solution conduit, at least one mixed gas conduit in communication with the at gas source and the contacting device and configured to provide at least one mixed gas to the contacting device, and at least one ozonated water output conduit may be in communication with the contacting device.

The present inventive concept relates to a system for dissolving gas. Specifically, an embodiment of the present inventive concept provides a system for dissolving gas, the system including a water supply unit configured to supply water, a gas supply unit configured to supply gas, a gas solution generation unit connected to the water supply unit and the gas supply unit, and a bubble gas solution generation unit connected to a rear end of the gas solution generation unit, wherein the gas solution generation unit includes a first gas solution generator connected in parallel to the gas supply unit and configured to generate a first gas solution and at least one second gas solution generator connected in parallel to the gas supply unit, connected in series to the first gas solution generator to receive the first gas solution from the first gas solution generator, and configured to generate a second gas solution having a gas concentration higher than a gas concentration of the first gas solution, and the bubble gas solution generation unit is connected to the second gas solution generator to receive the second gas solution from the second gas solution generator and generates a third gas solution containing a gas whose particles are smaller than particles of the gas contained in the second gas solution.

A method for controlling the saturation level of gas in a liquid discharge includes obtaining temperature and pressure measurements of a solvent in a mixing vessel and obtaining a pressure measurement of a source feedstock in a feedstock tank, correlating the temperature and pressure measurements of the solvent to baseline data to generate a theoretical uptake rate for the source feedstock into the solvent and a theoretical flow rate of the source feedstock into the mixing vessel, and determining a required opening setting for a feedstock valve in the feedstock input line in order to achieve a desired liquid displacement in the mixing vessel. The method includes determining an uptake duration and achieving an uptake displacement equivalent to the reverse of the desired liquid displacement. The method includes generating a valve operating control law for how the feedstock valve should function in a cycle.

This application relates to a method of treating wastewater wherein an oxygen infusion system is used to supersaturate wastewater before aerobic biological processes, wherein oxygen is transferred to the wastewater free of oxygen bubbles and achieves a reduction in power demand for the aeration process of wastewater.

A system for deaeration of constituents of a liquid product blend includes a first liquid stream supply system and a second liquid stream supply system. A control system is configured to: (i) monitor flow of the first liquid and responsively/automatically control flow of the first deaeration gas in order to achieve a first target ratio of first deaeration gas to first liquid; and/or (ii) monitor flow of the second liquid and responsively/automatically control flow of the second deaeration gas in order to achieve a second target ratio of second deaeration gas to second liquid; and/or (iii) monitor a dissolved oxygen level of (a) the first liquid, at a location downstream of injection of the first deaeration gas, and (b) a combined liquid formed by mixing the first liquid and the second liquid, and to adjust the system based upon the dissolved oxygen level of the combined liquid.