B01D2313/501

WATER TREATMENT FACILITY AND METHOD FOR OPERATING WATER TREATMENT FACILITY
20250288958 · 2025-09-18 · ·

This water treatment facility comprises: a first membrane filtration device; a second membrane filtration device provided at a stage subsequent to the first membrane filtration device; a reservoir tank that retains a portion of permeated water that has permeated through the first membrane filtration device; a circulation flow path that is provided between the first membrane filtration device and the reservoir tank, and enables the permeated water retained in the reservoir tank to circulate between the first membrane filtration device and the reservoir tank; a pump that is provided in the circulation flow path; and a control unit that controls the pump such that after the end of washing of a filtration membrane accompanied by introduction of air into the first membrane filtration device, the permeated water retained in the reservoir tank is circulated between the first membrane filtration device and the reservoir tank through the circulation flow path.

Selective extraction of thiophene from thiophene/n-heptane using a poly(vinyl acetate)/water membrane system

A method of using a system includes injecting a liquid mixture from a reservoir to an upper cell; stirring the liquid mixture in the upper cell using a stirrer; separating a first organic constituent from the liquid mixture by absorbing the first organic constituent of the liquid mixture at a first peripheral section of a membrane thereby causing a retentate comprising a second organic constituent and a solvent to reside in the upper cell; desorbing the first organic constituent of the liquid mixture at a second peripheral section of the membrane to obtain a first organic constituent permeate vapor; receiving the first organic constituent permeate vapor in a third feed line of a lower cell; receiving the retentate in a second feed line of the upper cell; and sending the retentate to the reservoir via the second feed line.

Fresh Water Production and Thermally Regenerative Electrochemical Cycle Using Multiple Stages of Thermally Responsive Mixtures
20250329766 · 2025-10-23 ·

An exemplary embodiment of the present disclosure provides a desalination system. The desalination system may comprise a first liquid reservoir. The desalination system may also comprise a first heater. The desalination system may also comprise a second liquid reservoir. The desalination system may further comprise a second heater. Another exemplary embodiment of the present disclosure provides a power generation system. The power generation system may comprise a first liquid reservoir. The power generation system may also comprise a first thermally responsive liquid.

Liquid purification system

The liquid purification system comprises a source liquid supply, a purified liquid feed line to a consumer, a liquid purification unit including a liquid-liquid type container consisting of a body containing a storage cavity for purified liquid and a displacement cavity, at least one liquid purification unit, a drainage line and a liquid flow control system including a source liquid feed section and a purified liquid feed section. The liquid flow control system is configured with a source liquid distribution section arranged for maintaining liquid pressure in the displacement cavity intended mainly for source liquid. The system provides the purified liquid feed to the consumer at any stage of the liquid purification process and after the latter is completed.

Membrane Distillation Assembly
20260008015 · 2026-01-08 ·

A membrane distillation assembly for providing purified water, the membrane distillation assembly including a membrane distiller that is configured for producing purified water, the membrane distiller having an evaporation chamber and a condensation chamber, wherein the evaporation chamber and the condensation chamber are separated from each other by a membrane, a reservoir connected to the membrane distiller, the reservoir being configured for intermediate storing of purified water, a water supply unit connected to the membrane distiller, and a purified water dispenser tool connected to the reservoir. The membrane distillation assembly wherein the reservoir includes at least two tanks for intermediate storing of purified water, wherein said tanks are connected in parallel with each other between the membrane distiller and the purified water dispenser tool.

Integrated water supply and power system
12552688 · 2026-02-17 ·

An exemplary power system utilizes turbines configured within a water intake conduit to the desalination processor to produce power for the desalination processor. Water intakes are configured to provide a natural flow of water to the desalination processor though hydrostatic pressure. One or more turbines coupled with the water intake conduits are driven and produce power for the system, as well as through solar and battery power. The desalination processor incorporates Graphene filters to and may include a structured water system to increase the H3O2 concentration of the water prior to Graphene filters. Discharge water may be pumped back into the body of water but be separated from the intakes. A secondary power source, such as a renewable power source, may be used to produce supplemental power for the system. Power produced may be provided to a secondary outlet, such as a power grid, all above and/or underground.

SYSTEM FOR DESALINATING WATER WITH SWEEPING GAS MEMBRANE DISTILLATION

A system for desalinating water using membrane distillation (MD) integrated with an ejector includes an ejector module and a membrane module. The ejector module includes a water ejector, a first water circulation pump, and a freshwater tank. Freshwater is continuously pumped from the freshwater tank, through the water ejector, and back to the freshwater tank. The membrane module includes a feed tank, a second water circulation pump, a water heater, and a membrane distillation unit. Salt water from the feed tank is pumped through the water heater to form vapor, which is then directed to the membrane distillation unit. The membrane distillation unit comprises a feed chamber, a membrane, and a vapor chamber. Vapor passes through the membrane to the vapor chamber, which has an air inlet for pressure differential and is connected to the water ejector. Desalinated water is collected in the freshwater tank.

SYSTEM FOR ENERGY STORAGE BY FLUID COMPRESSION AND CONCENTRATION DIFFERENCE IN A LIQUID SOLUTION
20260117735 · 2026-04-30 ·

A system that provides energy storage using flow driven by a difference in the concentration of a solution comprising a solvent and a solute. There are several options for solvent and solute, with the most economical being water and salts, respectively. The system for the storage of energy by fluid compression and concentration difference in a liquid solution is characterized by having a charging stage in which energy is stored and a discharging stage in which this energy is released. The system comprises a pump, a semi-permeable separator, three reservoirs, one of which is pressurized, and a turbine coupled to an electric power generator, in which, during the discharging stage, the system is able to release the energy that was stored during the charging stage.