A water filtration device comprising: a diffusiophoretic water filter having at least one channel having an inlet and an outlet and for receiving a colloidal suspension at the inlet and flowing the colloidal suspension between the inlet and the outlet in a flow direction, the channel being in contact with a diffusiophoretic-inducing membrane. Other devices and methods are also disclosed.
B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
C02F 1/00 - Treatment of water, waste water, or sewage
2.
Method and diffusiophoretic water filter with chemical contaminant removal capability
A diffusiophoretic water filtration system is provided, including a diffusiophoretic water filter; and a particle disperser upstream of the diffusiophoretic water filter. Methods are also provided.
A diffusiophoretic water filter with a flushing system is provided. The flushing system preferably includes a reverse flow flushing system and/or a cleaning agent delivery system and/or a non-laminar flow flushing system. Methods are also provided.
A diffusiophoretic water filter has improved inlet, outlet and membrane structures. A support is also disclosed as are method for manufacturing and assembling the diffusiophoretic water filter.
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
C25B 7/00 - Electrophoretic production of compounds or non-metals
F16L 9/19 - Multi-channel pipes or pipe assemblies
F16L 41/02 - Branch units, e.g. made in one piece, welded, riveted
5.
Portable diffusiophoretic water filtration device and related methods
A water filtration device includes a diffusiophoretic water filter having an inlet and an outlet and for receiving a colloidal suspension at the inlet and flowing the colloidal suspension between the inlet and the outlet in a flow direction; a diffusiophoretic-inducing membrane; a cover, the membrane and the cover defining a plurality of channels extending between the inlet and the outlet; an outlet splitter for the plurality of channels being fixed with respect to the membrane or the cover, the cover and membrane being flexible and configured to permit rolling up of the membrane and the cover. A related method is also provided.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
6.
Diffusiophoretic water filtration device, membrane, output splitter and inlet manifold and related methods
A water filtration device comprising: a diffusiophoretic water filter having at least one channel having an inlet and an outlet and for receiving a colloidal suspension at the inlet and flowing the colloidal suspension between the inlet and the outlet in a flow direction, the channel being in contact with a diffusiophoretic-inducing membrane. Other devices and methods are also disclosed.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 103/00 - Nature of the water, waste water, sewage or sludge to be treated
7.
Diffusiophoretic water filtration device with closed channel structure
A diffusiophoretic water filtration device has a pressurizable gas chamber for receiving a pressurized gas; an inlet manifold for receiving a colloidal suspension including colloidal particles in water; a flow chamber having an inlet and an outlet, the flow chamber for receiving the colloidal suspension at the inlet from the inlet manifold, the colloidal suspension flowing between the inlet and at least one outlet in a flow direction; and a gas membrane separating the gas chamber and the flow chamber, the sheet being made of a gas permeable membrane, the pressurized gas capable of permeating the membrane, the membrane being water impermeable, the gas membrane having a first side facing the pressurized gas chamber, and a second side facing the flow chamber, the flow chamber having a plurality of channels, each channel contacting the second side of the membrane; and an outlet splitter separating a first outlet from a second outlet and splitting the plurality of channels, the first outlet for receiving water having a higher concentration of some of the colloidal particles than the second outlet.
B01D 39/02 - Loose filtering material, e.g. loose fibres
B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
C02F 1/00 - Treatment of water, waste water, or sewage
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
B01D 43/00 - Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
A water filtration device is provided including a pressurized gas chamber receiving a pressurized gas; an open flow chamber receiving a colloidal suspension including water and colloidal particles, the open flow chamber having an inlet and an outlet, the colloidal suspension flowing between the inlet and at least one outlet in a flow direction; and a gas permeable membrane separating the gas chamber and the flow chamber, the gas capable of permeating the membrane, the membrane being water impermeable, the gas permeating the membrane in a direction normal to the membrane so as to induce diffusiophoretic motion on at least some of the colloidal particles opposite to or in a direction normal to the membrane; the at least one outlet having a first outlet with water having a higher concentration of the colloidal particles than a second outlet. Other devices and methods are also provided.
B01D 46/54 - Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
A diffusiophoretic water filtration device includes a diffusiophoretic flow chamber having an inlet and an outlet, the flow chamber for receiving the colloidal suspension at the inlet from the inlet manifold, and passing the colloidal suspension between the inlet and at least one outlet in a flow direction; the flow chamber having a removable and reassemblable cover defining a boundary of the diffusiophoretic flow chamber.
B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
10.
DIFFUSIOPHORETIC WATER FILTRATION DEVICE, MEMBRANE, OUTPUT SPLITTER AND INLET MANIFOLD AND RELATED METHODS
A water filtration device comprising: a diffusiophoretic water filter having at least one channel having an inlet and an outlet and for receiving a colloidal suspension at the inlet and flowing the colloidal suspension between the inlet and the outlet in a flow direction, the channel being in contact with a diffusiophoretic-inducing membrane. Other devices and methods are also disclosed.
A diffusiophoretic water filtration device includes a pressurized gas chamber receiving a pressurized gas; an inlet manifold receiving a colloidal suspension including colloidal particles in water; a flow chamber having an inlet and an outlet, the flow chamber receiving the colloidal suspension at the inlet from the inlet manifold, the colloidal suspension flowing between the inlet and at least one outlet in a flow direction; and a horizontal sheet separating the gas chamber and the flow chamber, the sheet being made of a gas permeable membrane, the gas capable of permeating the membrane, the membrane being water impermeable, the gas being carbon dioxide and permeating the membrane upwardly from the gas chamber in a direction normal to the membrane so as to induce diffusiophoretic motion on at least some of the colloid particles opposite to or in the direction normal to the membrane, the sheet covering a top of the pressurized gas chamber. The flow chamber is a closed flow chamber having an air permeable cover and a channel structure contacting the colloidal suspension, so as to define a thickness between the cover and the horizontal sheet; and the at least one outlet has a first outlet spaced above a second outlet, the first outlet for receiving water having a higher concentration of some of the colloid particles than a second outlet.
B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
patents
