A substrate processing apparatus includes: a collection tank storing a mixed fluid containing water and an organic solvent; a dewaterer disposed in a pipe connected to the collection tank, and including a separation membrane allowing the water to pass through and does not allow the organic solvent to pass through; a separation pipe which is connected to the dewaterer and into which separated water that has passed through the separation membrane flows; a concentration monitoring sensor measuring a concentration of the organic solvent contained in the separated water; a shut-off valve disposed in the separation pipe, and shutting off a flow of the separated water when the shut-off valve is in a closed state; and a controller closing the shut-off valve when the concentration of the organic solvent measured by the concentration monitoring sensor exceeds a safe concentration lower than a lower explosion limit of the organic solvent.

An electronic safety system includes a RO-device configured to produce ultrapure water. The RO-device has a sensor unit for collecting sensor data. The RO-device comprises an electronic data interface in order to send the sensor data collected by the sensor unit. The system also includes an analysis unit which is configured to analyse a water sample with regards to safety requirements and with regard to contamination and to generate result data. The analysis unit includes an analysis interface in order to send the generated result data in electronic form. The system also includes a network for the data exchange between the medical-technical entities, for example, between the RO-device and the analysis unit.

A performance evaluation device of a membrane filtration device is a device for evaluating the performance of the membrane filtration device in pure water production equipment. The performance evaluation device includes branch lines that branch off at the inlet of the membrane filtration device from a line on which the membrane filtration device of the pure water production equipment is provided, and at least one evaluation filtration membrane device is connected to the branch lines. At least one of the evaluation filtration membrane devices has the same type of membrane as that of the membrane filtration device, and the membrane area of the membrane of at least one of the evaluation filtration membrane devices is smaller than the membrane area of the membrane of the membrane filtration device.

A degasser for at least partially degassing a gas-containing liquid, in particular for a sample separation device, includes a liquid accommodation volume for accommodating the gas-containing liquid during degassing, a negative pressure chamber in which a negative pressure, compared to the liquid accommodation volume, is to be generated, a gas permeable membrane separating the liquid accommodation volume from the negative pressure chamber and arranged so that ultrasound forces at least part of gas of the gas-containing liquid to move through the membrane by a combination of the negative pressure and the ultrasound, and an ultrasound source including an electroactive material and configured for generating ultrasound for actuating the gas-containing liquid and/or the gas permeable membrane.

A water treatment plant or system for the production of permeate includes a reverse osmosis stage and a permeate stage. The reverse osmosis stage can include a piping system having a supply line for process input water, a reverse osmosis pump, and a reverse osmosis tank. The reverse osmosis tank has an inlet for process input water coming from the reverse osmosis pump, a membrane, and an outlet for permeate. The permeate stage, which can have a line system forming a circuit, can include a permeate tank, a permeate pump, and a tapping point for connecting at least one consumer or user of permeate. The reverse osmosis stage and the permeate stage can be connected to one another via a connecting line in such a way that the reverse osmosis stage feeds the permeate stage with permeate. The circuit of the permeate stage can include a sterile filter.

This electrodialysis device comprises: an electrodialyzer stack having a cathode, an anode, and a membrane unit including at least three membranes provided at intervals between the cathode and the anode, wherein a dilution chamber and a concentration chamber is formed between adjacent membranes; a liquid-to-be-treated feed device that causes a liquid to be treated to flow through the dilution chamber to obtain a diluted liquid; a concentrate liquid circulation device for causing a concentrate liquid to be concentrated to circulate through the concentration chamber, a circulation line through which the concentrate liquid flows to return to the concentration chamber after flowing out from the concentration chamber; a drainage line through which the diluted liquid flowing out from the dilution chamber flows; a concentrated solution line for extracting a part of the concentrate liquid circulating through the circulation line from the circulation line; and a narrowing member provided on the circulation line between the branch point at which the concentrated solution line branches from the circulation line and the outlet of the concentration chamber, and which narrows the flow of the concentrate liquid, and/or a narrowing member provided on the drainage line and which narrows the flow of the diluted liquid.

A method of preparing a bioprocess solution includes producing a mixture of liquid and air by hydrating a powder separating the liquid from the air by providing the mixture to a first filter capsule and allowing the liquid to flow to an outlet across a hydrophilic membrane of the first filter capsule while directing the air upwards along the first filter capsule toward a second filter capsule arranged above the first filter capsule, and venting the air from the second filter capsule by allowing the air to flow through a hydrophobic membrane of the second filter capsule.

A spiral wound membrane module includes a specialized endcap assembly including a connecting conduit defining a passageway extending radially inward from its outer periphery, and at least one sensor connected to the passageway of the connecting conduit. The specialized endcap assembly also includes a microprocessor, an antenna, and a LoRa transmitter. The at least one sensor, which is connected to the microprocessor, is suitable to provide a measured value corresponding to pressure, differential pressure, flow rate conductivity, pH, sound intensity, or light intensity. Spiral wound membrane module assemblies include a pressure vessel and one or more of the spiral wound membrane modules.

Embodiments of an apparatus and method for the removal of moisture or liquid from a moisture-containing media include an evaporative layer, a containment structure with an internal atmosphere at least partially separated from an external atmosphere, a CPU, an energy source, a tunable output element, a wicking layer and an input element operably connected to the CPU and/or energy source. A method includes collecting a moisture-containing media in a containment structure; removing moisture or liquid from the media using an evaporative layer; adjusting a tunable element based on an evaporative condition; and increasing a rate of moisture or liquid evaporation from the media and/or the evaporative layer. An apparatus includes an evaporative layer configured to contain a moisture-containing media; an air inlet; and a containment structure mounted on a mobile vehicle, wherein the air inlet directs vehicle motion generated air adjacent to or impinging with an evaporative layer.