A desalination and cooling system integrating an Ejector Cooling Cycle (ECC) and a Sweeping Gas Membrane Distillation (SGMD) system. The ECC system includes a generator, an evaporator, an ejector, and a first condenser. The generator produces a primary flow of refrigerant, the evaporator provides cooling and a secondary flow of the refrigerant, and the ejector combines these flows to generate a super-heated stream of the refrigerant, which the first condenser cools. The SGMD system, comprising a feed chamber, a sweeping gas chamber, a membrane with pores, and a second condenser, allows water vapors from a hot stream to pass from the feed chamber to the sweeping gas chamber of the SGMD system. The ECC and SGMD systems are connected at the first condenser, where the super-heated stream of the refrigerant heats the cold stream to produce the hot stream, facilitating efficient desalination and cooling.

A desalination and cooling system integrating an Ejector Cooling Cycle (ECC) and an Air Gap Membrane Distillation (AGMD) system. The ECC system includes a generator, an evaporator, an ejector, and a condenser. The generator produces a primary flow of refrigerant, the evaporator provides cooling and a secondary flow of the refrigerant, and the ejector combines these flows to generate a super-heated stream of the refrigerant, which the condenser cools. The AGMD system, comprising a feed chamber, a coolant chamber, an air gap chamber, and a membrane with pores, allows water vapors from a hot stream to pass from the feed chamber to the air gap chamber of the AGMD system. The ECC and AGMD systems are connected at the condenser, where the super-heated stream of the refrigerant heats the cold stream to produce the hot stream, facilitating efficient desalination and cooling.

A desalination and cooling system is disclosed, integrating an Ejector Cooling Cycle (ECC) system and a Direct Contact Membrane Distillation (DCMD) system. The ECC system includes a generator, an evaporator, an ejector, and a condenser. The generator produces a primary flow of refrigerant, the evaporator provides cooling and a secondary flow of the refrigerant, and the ejector combines these flows to generate a super-heated stream of the refrigerant, which the condenser cools. The DCMD system, including a feed chamber, a permeate chamber, a membrane with pores, and an external cooling source, allows water vapors from a hot stream to pass from the feed chamber to the permeate chamber. The ECC and DCMD systems are connected at the condenser, where the super-heated stream of the refrigerant heats the cold stream to produce the hot stream, facilitating efficient desalination and cooling.

A desalination and cooling system integrating an Ejector Cooling Cycle (ECC) and a Vacuum Membrane Distillation (VMD) system. The ECC system includes a generator, an evaporator, an ejector, and a first condenser. The generator produces a primary flow of refrigerant, the evaporator provides cooling and a secondary flow of the refrigerant, and the ejector combines these flows to generate a super-heated stream of the refrigerant, which the first condenser cools. The VMD system includes a feed chamber, a vacuum chamber, a membrane with pores, and a second condenser, the membrane allows water vapors from a hot stream to pass from the feed chamber to the vacuum chamber. The ECC and VMD systems are connected at the first condenser, where the super-heated stream of the refrigerant heats the cold stream to produce the hot stream, facilitating efficient desalination and cooling.

A new apparatus, system and method to purified produced water and removed valuable metals and minerals is described. The apparatus comprises a device for flowing produced water wellbore from a wellbore to the produced water purification apparatus; at least one device to remove heavy metals from the produced water; at least one brine removal device to remove brine from the produced water. The method comprises steps to use the apparatus and the system comprises a control panel that operates the at least one device for removing heavy metals and at least one sensor in a coordinated manner.

Energy may be stored by injecting fluid into a fracture in the earth and producing the fluid back while recovering power and/or desalinating water. The method may be particularly adapted to storage of large amounts of energy such as in grid-scale electric energy systems. The fracture may be formed and treated with resin so as to limit fluid loss and to increase propagation pressure. The fluid may be water containing a dissolved salt or fresh water and a portion or all of the water may be desalinated using pressure in the water when it is produced.

The systems of the present disclosure include a solar-powered steam Rankine cycle (SRC) subsystem to convert solar energy into thermal energy and store the thermal energy; an ejector refrigeration cycle (ERC) subsystem to provide a first refrigeration effect with a first range of temperature based on the thermal energy; an absorption refrigeration cycle (ARC) subsystem to provide a second refrigeration effect with a second range of temperature based on the thermal energy; a brine refrigeration cycle (BRC) subsystem to generate and store when there is no cooling demand and provide a third refrigeration effect with a third range of temperature based on the electrical power generated by the ERC subsystem and the ice being melted; and an adsorption refrigeration cycle (ADRC) subsystem to provide a fourth refrigeration effect with a fourth range of temperature based on the thermal energy.

The systems of the present disclosure include a solar-powered steam Rankine cycle (SRC) subsystem to convert solar energy into thermal energy and store the thermal energy; an ejector refrigeration cycle (ERC) subsystem to provide a first refrigeration effect with a first range of temperature based on the thermal energy; an absorption refrigeration cycle (ARC) subsystem to provide a second refrigeration effect with a second range of temperature based on the thermal energy; a brine refrigeration cycle (BRC) subsystem to generate and store when there is no cooling demand and provide a third refrigeration effect with a third range of temperature based on the electrical power generated by the ERC subsystem and the ice being melted; and an adsorption refrigeration cycle (ADRC) subsystem to provide a fourth refrigeration effect with a fourth range of temperature based on the thermal energy.

A mixed matrix membrane that includes polyvinylidene fluoride and TiN nanoparticles may be useful solar-driven surface heating membrane distillation. The plasmonic character of the TiN nanoparticles may locally heat the membrane when exposed to sunlight, which increases the distillation flux across the membrane. Said distillation methods may be particularly useful for treating laundry wastewater to collect distilled water with a reduced concentration of chemical oxygen demand, a reduced concentration of total dissolved solids, and a reduce conductivity. The distilled water may be repurposed for a variety of purposes including agricultural irrigation with significant less impact on the aquatic ecosystem compared to the laundry wastewater.

A method of desalinating water, including the steps of when electricity costs between a first predetermined price and a second predetermined price, fill water is pumped into a reverse osmosis desalination unit to yield desalinated permeate and saltwater having a first salinity, when electricity costs less than the first predetermined price, fill water is pumped into a reverse osmosis desalination unit to yield desalinated permeate and saltwater having a second salinity, and when electricity costs greater than the second predetermined price, pure water is flowed into a reverse osmosis unit to yield pressurized saltwater which is run through a turbine to generate electricity. The first salinity is lower than the second salinity.