Provided are a cleaning method and cleaning device for cleaning with micro/nano-bubbles, with which a simple method of spraying a treatment solution containing micro/nano-bubbles onto a substrate to be processed makes it possible to efficiently and reliably peel off residual resist or remove contaminants from the substrate, while reducing an environmental load. This cleaning method is characterized in that, with respect to a substrate to be treated to which a resist film has adhered onto the substrate or a substrate to be treated to which the surface thereof has been contaminated with a metal or metal compounds, the resist film is peeled off or the metals or metal compounds are removed by spraying onto the substrate to be treated a treatment solution containing gaseous micro/nano-bubbles and having a temperature maintained at 30 C. to 90 C., the mean particle size of the micro/nano-bubbles when measured by an ice embedding method using a cryo-transmission electron microscope being 100 nm or smaller, preferably 30 nm or smaller, and also preferably the density of such bubbles being 10.sup.8 or more bubbles per 1 mL.

Disclosed are techniques to mimic turbulent-enhanced reactivity under confinement by the addition of dilute high molecular weight polymers. Micro-scale imaging within a transparent porous medium reveals an elastic instability (EI), which drives chaotic fluctuations that stretch and fold solute blobs exponentially in time analogous to turbulent Batchelor mixing, despite the low Re. A reduction in the required mixing length can be observed, suggesting a cooperation between the elastic instability and the dispersion inherent to the disordered 3D porous mediawhich can be modeled as additive independent mixing rates, representing a dramatic conceptual simplification. The disclosed enhanced transport of solutes circumvents the traditional trade-off between throughput and reactor length, allowing a simultaneous large reduction in length and increases in throughput. Elastic flow instabilities can provide turbulent-like enhancements in chemical reaction rates, which can operate cooperatively with dispersive mixing in industrially relevant geometries.

A method for processing pharmaceutical powders, which comprises providing a feeder module including a plurality of feeder units each with a storage hopper, a weighing cell, a conveyer, and a discharge end, connecting the storage hopper to a refilling system with a refilling valve, connecting the refilling valve to a level or weight indicator disposed above the refilling valve, connecting the discharge end to a common receiving container, refilling the storage hopper with a powder intermittently 40 to 80 times per hour, storing data during refilling, transporting powder from the storage hopper with the respective conveyer, and discharging powder from each feeder unit into the common receiving container. During each refilling of the storage hopper, the refilling valve dispenses powder into the storage hopper and, during the step of transporting the powder from the storage hopper, the conveyer is operated according to the data collected during previous refills.

A controller is configured to adjust, by increasing or decreasing an amount of a lubricant mixed with the powdery material, an amount of a lubricant applied to an inner circumference of a die bore and tips, or a time to mix the lubricant to be mixed with the powdery material and the powdery material, in accordance with whether or not the molded product has defectiveness, a pressure applied to the lower punch pushing the molded product out of the die bore, a temperature of the die bore, the upper punch, or the lower punch, a temperature of the powdery material, or a humidity of the powdery material.

A resistivity regulating apparatus includes: a gas dissolving device that causes a regulating gas to dissolve in a liquid targeted for resistivity regulation to generate a treated liquid in which the regulating gas is dissolved in the liquid, the regulating gas being used to regulate a resistivity of the liquid; and a buffer tank to which the treated liquid discharged from the gas dissolving device is fed.

The present invention relates to a device for preparing a dialysis concentrate or another fluid, wherein the device includes an inflow for the raw material for the dissolving of or mixing with a raw material located in a container that can be dissolved in the solvent or can be mixed with it and a container having a raw material to be dissolved by means of the solvent or miscible with the solvent, wherein the device has connection means for connecting to the container, characterized in that the device has a mixing unit that is self-regulating and a mixing line and a suction unit arranged in the mixing line and a mixing chamber, with the suction unit being able to be brought into fluid communication with the inflow for the solvent and, by means of a suction line, with the container connectable to the device, and with a return line downstream of the mixing chamber leading back to the container connectable to the device.

The present application provides a method and a system for recycling a polymer. The method includes introducing polymer into a primary melting extruder, producing a polymer melt that is combined with a fluid oil to at least partially dissolve the polymer melt. A secondary mixing extruder mixes these to form a polymer solution that is introduced into a refinery oil stream, producing a polymer-comprising oil stream, which is fed into a refinery process unit. The system includes a primary melting extruder for forming a polymer melt from polymer. A secondary mixing extruder receives the polymer melt. One or more hydrocarbon inflow conduits for providing a fluid oil to the primary melting extruder and/or the secondary mixing extruder are configured to form a polymer solution from the fluid oil and the polymer melt. There is a feed system outlet for feeding the polymer solution to a refinery oil stream.

An apparatus for accelerated dissolution of carbonates with buffered pH. The apparatus includes a mixer, a dissolution reactor and a pH correction reactor. The mixer includes: a chamber; a water supply; a carbonic gas supply; and a carbonate supply. Water, carbonic gas and carbonate are provided to the chamber in predetermined continuous flow rates to obtain a design flow rate of lean mixture at the outlet. The dissolution reactor includes a duct connected to the chamber receiving the lean mixture and allowing at least partial dissolution of the carbonate which transforms the lean mixture into an ionic mixture according to the reaction CaCO3+CO2+H2O? Ca(HCO3)2. The pH correction reactor comprises a duct and a hydroxide supply. The mixture is then released into the sea. Embodiments also relate to a method for the accelerated dissolution of carbonates with buffered pH for the permanent sequestration of CO2 in the sea in the form of bicarbonates.

An exemplary embodiment of the present invention provides a urea water manufacturing device which can reduce the time for producing urea water by forming a vibrating atmosphere using an ultrasonic wave generator when stirring urea and pure water supplied inside a stirring tank, and can produce urea water with high purity by real-time feedback control of specific gravity of urea water, and a method thereof. The urea water manufacturing device according to an exemplary embodiment of the present invention includes a pure water supply unit, a urea supply unit, a stirring unit, a specific gravity detection unit, a control unit, and a urea water discharge unit.

An automated apparatus for preparing a liquid bioprocess solution includes at least one mixing chamber having a lower port and an upper port for fluid to enter the at least one mixing chamber, an array of tubing for fluid flow within the system, a plurality of valves provided within the tubing, and a mixing controller configured to cause the automated apparatus to perform a series of sequential mixing steps causing the preparation of the liquid bioprocess solution from a dry ingredient. The series of sequential mixing steps include opening a first valve associated with the lower port to provide fluid to the at least one mixing chamber through the lower port, and after a predetermined amount of elapsed time, closing the first valve and opening a second valve associated with the upper port to provide fluid to the at least one mixing chamber through the upper port.