B01D2313/903

Redox controlled electrosorption and decomposition device for the purification of blood and other fluids
09878084 · 2018-01-30 · ·

Device for removing substances from blood and other fluids such as water, wastewater, chemicals and other biofluids, includes i) an electrocatalytic decomposition filter including a DC power source, a set of electrodes with a catalytic surface or in direct contact with sorbents offering catalytic activity, ii) an electrosorption filter including a DC power source, a set of electrodes, nanostructured sorption material and/or a porous polymer matrix, iii) an inlet for entry of blood or blood plasma or dialysate fluid into the device, iv) an outlet for the removal of purified blood, blood plasma, ultrafiltrate or dialysate fluid from the device, and v) a conduit connecting the inlet with the outlet and holding the electrosorption filter such that the blood, blood plasma, ultrafiltrate or dialysate fluid is forced through the electrosorption and electrocatalytic decomposition filter, and vi) a sensor and control system to safeguard the device from producing oxidative stress.

WATER PURIFIER AND METHOD FOR CONTROLLING WATER PURIFIER
20240409440 · 2024-12-12 · ·

A water purifier is provided. The water purifier according to an aspect of the present invention includes a housing; a filter provided inside the housing to filter raw water to produce purified water; a water outlet member that ejects purified water generated in the filter to the outside of the housing; a control valve configured to control water ejection amount ejected through the water outlet member; a factor value measurement sensor configured to obtain information on water ejection amount influencing factors that may affect the water ejection amount; an input panel provided on one side of the housing to receive input of at least one of first user input information to allow to be switched to a state where a user can set the water ejection amount, second user input information on a user water ejection amount which is a water ejection amount that the user wishes to set, and user water ejection start information to ensure that water is ejected as much as the user water ejection amount; and a processor configured to control the water ejection amount using information on the water ejection amount influencing factors when the user water ejection start information is input, wherein the processor may obtain a factor value at the time of setting of the water ejection amount influencing factor when the user water ejection amount is input, obtain a factor value at the time of water ejection of the water ejection amount influencing factor when the user water ejection amount is input, and control the control valve to eject water equal to the user water ejection amount using the factor value at the time of setting, the factor value at the time of water ejection, and the second user input information.

Aqueous two-phase system nanofilter and separation method using same

Proposed are an aqueous two-phase system nanofilter capable of effectively separating particles having different sizes within a short time, and a separation method using same. The aqueous two-phase system nanofilter can separate mixed nanoparticles having a size difference of approximately 10 nm, through the designing of a composition constituting each composition. The separated nanoparticles can be applied across industries such as electronics, photoelectronics and magnetic fields, biomedical, medical and cosmetic fields, energy, catalysts, and structures.

Micro flow filtration system and flow filtration method for a fluid sample

A flow filtration system (1) for concentration of components contained in a fluid sample comprises a fluid channel (2) being formed by two conduits (4, 5) allowing a bidirectional flow of the fluid sample through the fluid channel (2), a tangential flow filtration module (3) and at least two pairs (8, 9) of piston pumps (6) each having two piston pumps (6), wherein the piston pumps (6) having a piston swept volume forming a reservoir being able to contain the fluid for volumes of up to 100 ml. The tangential flow filtration module (3) is located in the fluid channel (2) so that a fluid flowing through the channel (2) passes through the filtration module (3). At each end (10, 11) of the channel (2) one piston pump (6) of each pair (8, 9) of piston pumps (6) is located in such a manner that the piston pumps are fluidically connected in parallel. The system (1) is arranged and adapted such that during the concentration process at least for a predetermined period of time only one of the pairs (8, 9) of piston pumps (6) is used to drive the fluid through the tangential flow filtration module (3).

Reverse osmosis system with energy recovery devices

A reverse osmosis system according to the present disclosure includes a first membrane array, a second membrane array, a hydraulic pressure booster, and a motor-generator. The first membrane array is configured to generate a first permeate stream and a first brine stream from a feed stream. The second membrane array is configured to generate a second permeate stream and a second brine stream from the first brine stream. The booster is configured to use energy from the second brine stream to increase pressure of at least one of the feed stream and the first brine stream. The motor-generator is coupled to the hydraulic pressure booster and is operable to use energy from a power supply to drive the hydraulic pressure booster. The motor-generator is also operable to use energy from the second brine stream to provide power to the power supply.

Membrane separation process using mixed vapor-liquid feed

The present invention pertains to a pervaporation membrane process for the separation of high octane fuel components from a gasoline feed stream comprising feeding a mixed phase vapor-liquid feed to a cyclone separation means to separate the liquid from the vapor, then sending the saturated vapor to the membrane, thereby extending the useful life of the membrane.

ADVANCED SCALABLE EXTRACELLULAR VESICLE (EV) ISOLATION, SEPARATION, AND CONCENTRATION
20250058277 · 2025-02-20 ·

A system for separating, isolating, and concentrating extracellular vesicles (EVs) is provided. The system comprises an ultrafiltration device; an isoporous membrane configured for use in the ultrafiltration device; and a collection container for collecting filtrate from the ultrafiltration device. The ultrafiltration device may be configured to perform diafiltration. The ultrafiltration device may comprise a fixed-volume ultrafiltration device. The ultrafiltration device may comprise a tangential flow filtration device. The system may be scalable.

LIQUID TRANSPORT MEMBRANE
20170072367 · 2017-03-16 · ·

A system includes a product having one or more active membranes for transporting liquid by aid of an electric field. A humidity sensor provides information about wetting or moisture conditions near the active membrane. An electronic control circuit is designed to provide a voltage to the active membrane only when a certain humidity level is detected. An external electronic device provides an interface between a user and the product, wherein the interface includes a display to allow monitoring of the functions of the product.

Measurement of pressure differences within a vessel of spiral wound membrane modules

A spiral wound membrane module including a specialized endcap assembly including a connecting conduit defining a passageway extending radially inward from its outer periphery, and a differential pressure sensor connected to the passageway of the connecting conduit.

CONDITION MONITORING FOR AN AIR SEPARATION MODULE
20170014774 · 2017-01-19 · ·

An air separation module includes a shell configured to house an air separation membrane, an inlet configured to receive supply air, an oxygen-enriched air outlet configured to exhaust oxygen from the air separation module, and a nitrogen-enriched air outlet configured to supply a stream of nitrogen-enriched air to a fuel tank of an aircraft. The air separation module also includes a condition monitoring sensor integral with the air separation module and configured to measure at least one of a plurality of conditions; and a connector integral with the air separation module and configured to join the condition monitoring sensor with an electrical system of the aircraft.