Abstract: A device for extracting soluble substances dissolved in an aqueous solution, the extraction device including a peripheral wall and an adsorbent agent contained in the peripheral wall, the adsorbent agent being capable of extracting at least one portion of the soluble substances by contact with the aqueous solution, the extraction device also including a maze, defining a circulation path for the aqueous solution within the peripheral wall, the maze including a main inlet and a main outlet of aqueous solution, in fluid communication with one another via the circulation path, the adsorbent agent being arranged inside the maze so as to be placed in contact with the aqueous solution during the circulation of the latter along the circulation path.

Abstract: A bio-inspired method for detoxifying contaminated water is disclosed. In the method, polydopamine, a mussel-inspired adhesive catecholamine was used as an adsorbent to effectively remove from contaminated water three major classes of toxic agents: heavy metal ions (e.g., Cr, Hg, Pb, Cu, and Cd), toxic organic species (e.g., 4-aminopyridine), and radioisotopes (e.g., Lutetium-177). Furthermore, the polydopamine adsorbent was regenerated by treatment with acid or hydrogen peroxide.

Abstract: A purification device is provided that includes a porous container, purification media retained in the porous container, and a flow controller integral to the porous container. A purification device is also provided that includes a porous elastic container, purification media, and a flow controller. The porous elastic container has a pocket formed therein. The purification media is compressibly retained in the porous elastic container. The flow controller is elastically retained in the pocket of the porous elastic container.

Abstract: A filter apparatus for treating hydrocarbon contaminated water comprising a housing defining an internal cavity and having an inlet and an outlet; a separating member that separates the internal cavity into a first treatment zone and a second treatment zone, wherein the first treatment zone is in fluid communication with the inlet and the second treatment zone is in fluid communication with the outlet, the separating member having one or more holes therethrough for fluid flow from the first treatment zone to the second treatment zone; at least one distribution tube within the second treatment zone having an end enclosing at least one of the holes to accept liquid flowing through the hole, the distribution tube further having perforations along its length for distributing liquid into the second treatment zone; a filtration barrier within the first treatment zone for removing particulate matter from the liquid flowing therethrough; and a particulate filtration media within the second treatment zone, surrounding

Abstract: The present invention relates to a drinking water filtration device based on a graphene technologies. The filtration device includes a first filter, a second filter and a faucet. The first filter further includes a first filter element and a first filter element casing. The second filter includes a second filter element and a second filter element casing. A water inlet of the second filter element casing is connected with a water outlet of the first filter element casing. The filtration material of the second filter element is a mixture of graphene oxide-superparamagnetic nanoparticles composites and graphene reinforced diatom ceramic material. A water inlet of the faucet is connected with a water outlet of the second filter element casing. The filtration device of the present invention can fully eliminate various pollutants in drinking water, and has the advantages of simple structure, good filtration effect and high purification efficiency.

Abstract: Embodiments disclosed here include a buoyant filtration system and method including a buoyant rim which may be used to encircle a pollution source and attached to a submersible wall and floor. Some embodiments include the detachable filtration systems on or near the buoyant rim. Some embodiments include a bag attached to the buoyant rim where the bag is water permeable but retains the pollution in the water.

Abstract: A filtration system for a pet water fountain is provided. The filtration system utilizes a pump placed within or along a watering bowl. The water filtration system also utilizes a multi-stage filtering device. In one aspect, the multi-stage filtering device includes a first filtering stage representing copper zinc alloy particles, and a second filtering stage representing granulated activated carbon particles. Each stage may constitute filtering material that is separated into an array of cells residing along a vertical frame or is separated into stages placed in series within a tubular cartridge. A method for filtering water in a pet fountain is also provided herein.

Abstract: Disclosed is an ejector of a water softener valve, a water softener valve and a water softener. The ejector includes: an ejecting part, the ejecting part internally defines an ejecting hole, the ejecting hole is gradually tapered along an ejecting direction; a confluence part, the confluence part internally defines a confluence hole, an inlet of the confluence hole faces an outlet of the ejecting hole, an aperture of the inlet of the confluence hole is greater than an aperture of the outlet of the ejecting hole, a surface of the confluence part and a surface of the ejecting part facing the surface of the confluence part cooperatively form a saline solution suction opening; and a connecting part, fixedly connected with the ejecting part and the confluence part, the connecting part, the ejecting part, and the confluence part are integrated together.

Abstract: An ammonia adsorption product is described which may be used for fresh caught fish and bait. The product may comprise functionalized tectosilicate compound and a buffer. High concentrations of ammonia produced by fish waste can be lethal, even though oxygen availability is rich enough to keep fish breathing. The product is a user-friendly, sustainable, affordable product which is able to extend the life of the fish by safely removing ammonia by an ion-exchange mechanism. This product can convert toxic ammonia into ammonium and uptake ammonium by releasing sodium ions in the water.

Abstract: The present invention includes a composition, method of making and method of using a composite for the removal of waste from a wastewater or a waste stream wherein the composite comprises of graphene oxide and magnesium oxide nanoparticles at a ratio of 10:1 to 1:10 weight to weight.

Abstract: A compact shower water filter assembly for holding a water filter element therein. The water filter element is easily changeable by unscrewing two halves of a body forming the filter assembly. The body halves are easily gripped and turned, so as to be opened or closed. The upper half of the body is internally threaded to engage the shower arm, and may pivot about the shower arm. The bottom half of the water filter assembly may include a showerhead, converting the shower water filter assembly, into a filtered showerhead assembly. The shower water filter assembly may be easily and quickly adapted to be held on any shower arm, and to replace any existing shower water filter without taking up as much room as currently existing shower water filters.

Abstract: The present disclosure discloses a water softener valve and a water softener, the water softener valve includes a valve body, including a valve cavity, a water inlet passage that is communicated with the valve cavity, a forward washing passage, a backwashing passage, an ejecting passage, a softening inlet passage, a softening outlet passage, a waste water passage, and a saline solution suction passage; a valve core assembly is provided with a forward washing position and a backwashing washing position, at the forward washing position; and a switching unit, the switching unit is defined to communicate the forward washing passage with the ejecting passage, when the valve core assembly is at the forward washing position; and to communicate the backwashing passage with the ejecting passage, when the valve core assembly is at the backwashing position.

Abstract: A vessel for removing radionuclides from a liquid. The vessel comprises a shielded housing comprising an outer shell and an inner shell disposed within the outer shell. The housing defines an ion exchange chamber between the inner and outer shells. The vessel also comprises an inlet fluidly coupled with the ion exchange chamber, the inlet being configured for fluid communication with a source of the liquid, and an outlet fluidly coupled with the ion exchange chamber, the outlet being configured for fluid communication with a destination of the liquid. The vessel further comprises a first fluid passage extending between an exterior of the vessel and the inner shell and a second fluid passage extending between the exterior of the vessel and the inner shell.

Abstract: The invention relates to a multi-stage medical sewage sterilization device and method based on graphene nano technologies. The multi-stage sterilization device comprises multiple stages of graphene nano composite sterilization grids, a graphene photocatalytic sterilization tank, a graphene-modified diatom ceramic disinfection tank, an ultrasonic sterilization tank and a laser and near-infrared sterilization device. Compared with a traditional method, the present invention has a more thorough killing or blocking effects on pathogenic bacteria, parasite eggs and the like in various medical sewages. In addition, the device of the present invention can be disassembled and cleaned regularly, and has a long service life, thus the process cost is reduced.

Abstract: A PAG compressor oil conditioning filter element configured for outside in flow includes a proximal and a distal end cap, wherein the proximal endcap includes a central outlet therein, a cylindrical outer wrap having perforations there through on a portion of the outer wrap adjacent the distal end cap, wherein the flow of PAG compressor oil is configured to flow into the element through the perforations in conventional operation, an annular layer of ion exchange polymers beads radially within the outer wrap configured to remove acid from the treated PAG compressor oil, an annular particulate removing micro-glass media radially within the annular layer of ion exchange polymers beads and configured to remove particulates from the treated PAG compressor oil; and a central flow area radially within the particulate removing micro-glass media and in fluid communication with the central outlet.

Abstract: A system, method and apparatus for determining and controlling water clarity or water opacity especially useful in pools, spas, and contained bodies of water.

Abstract: A water purification system is configured to create a treated water for a home brewing operation. The water purification system includes a sediment filter, connected to an untreated water source. Untreated water flows from the untreated water source through the sediment filter creating a sediment filtered water. A carbon filter is connected to the sediment filter. The sediment filtered water flows through the carbon filter creating a carbon filtered water. A reverse osmosis system is connected to the carbon filter. The carbon filtered water flows through the reverse osmosis system and is segregated into a treated water and a rejected water. The treated water is distributed to the come brewing operation. A deionizing filter is connected to the reverse osmosis system with an automatic shutoff valve. The deionizing filter receives a second flow of treated water and creates a deionized water.

Abstract: A method of forming a hybrid, hand-held drinking bottle includes connecting a top element to a bottom element to form a seam therebetween. The top element includes a top wall extending around a top axis, and a top opening extending within the top element between opposed ends of the top wall. The top element is formed from a material that is of a first hardness. The bottom element comprises an end wall, a bottom wall extending around a bottom axis, and a bottom opening extending between the end wall and an opposing end of the bottom wall. The bottom element is formed from a material that is of a second hardness less than the first hardness. The top opening is in communication with the bottom opening when the top element is connected to the bottom element. The method further includes over molding a collar around the seam.

Abstract: Various systems and methods are provided for a lubricant filter. In one example, a method for a lubricant filter comprises indicating a condition of the filter based on a difference between a measured pressure differential and an expected pressure differential during select conditions in which all lubricant pumped by a pump upstream of the filter flows into the filter.

Abstract: A mobile processing system is disclosed for the removal of radioactive contaminants from nuclear process waste water. The system is fully scalable, modular, and portable allowing the system to be fully customizable according the site-specific remediation requirements. It is designed to be both transported and operated from standard sized intermodal containers or custom designed enclosures for increased mobility between sites and on-site, further increasing the speed and ease with which the system may be deployed. Additionally, the system is completely modular wherein the various different modules perform different forms or stages of waste water remediation and may be connected in parallel and/or in series. Depending on the needs of the particular site, one or more different processes may be used. In some embodiments, one or more of the same modules may be used in the same operation.