Abstract: Disclosed are: a treatment method comprising (1) a step in which an aqueous solution containing urea, ammonia and carbon dioxide is introduced into a first stripper (PCS1) and subjected to stripping, and the aqueous solution after stripping is introduced into a urea hydrolyzer (UHY), (2) a step in which urea in the aqueous solution is hydrolyzed in the urea hydrolyzer (UHY), and the aqueous solution after hydrolysis is introduced into a second stripper (PCS2), (3) a step in which the aqueous solution is subjected to stripping in the second stripper (PCS2), and (4) a step in which a part of the aqueous solution before being stripped in the first stripper (PCS1), and/or, a part of the aqueous solution after being stripped in the first stripper (PCS1) but before being hydrolyzed in the urea hydrolyzer (UHY) is introduced into an exhaust gas treatment equipment equipped with an ammonia scrubbing equipment (ASCR); and a treatment equipment therefor.

Abstract: A method for treating sulfide in an aqueous fluid comprises contacting the fluid with an oxidizer in the presence of a sulfur dye or sulfurized vat dye. In one embodiment, the method comprises treating; sulfide contaminated water by contacting the contaminated water with a gas including oxygen in the presence of a sulfur dye or a sulfurized vat dye. The method is useful for remediating industrial, agricultural, and municipal wastewater.

Abstract: An adapter is provided for fluidly coupling a hose to a housing of a filter assembly having a drain body connected to the housing. The adapter has a retaining cap that is disposed about a central axis and is configured to couple with the drain body. A hose barb body is disposed rotatably about the central axis. The hose barb body has a tapered portion that is configured to receive at least a portion of the drain body therein, and a cylindrical portion that extends from the tapered portion. The cylindrical portion is configured to allow selective coupling of a hose thereon. A retaining collar is disposed about the central axis and has a shoulder that is configured to bear the hose barb body thereon. Multiple resilient tabs upstanding from the shoulder have ends laterally extending away from the central axis for engaging with the retaining cap.

Abstract: An iron cation/sulfate alkalinization/sulfurous acid sulfide treatment method for industrial wastewaters to remove selenium and heavy metals to levels suitable for open stream discharge, land application, or power plant effluent discharge standards.

Abstract: A system and method of collecting and conditioning rainwater and other moisture, such as dew, from a windshield of a vehicle and utilizing the collected fluid to replenish the fluids in the windshield washer reservoir. A collection funnel is positioned on a vehicle in order to collect rainwater and other moisture. Rainwater and other fluids from the collection funnel are directed to a conditioning cartridge capable of treating the fluid with a surfactant to form a mixed fluid. An anti-freeze material may also be added. The mixed fluid is directed to the pre-existing windshield washer reservoir.

Abstract: A method for treating hydrogen sulfide in a solution includes providing the solution containing hydrogen sulfide. The method also includes adding sodium nitrite to the solution in an amount suitable to react with the hydrogen sulfide and treat the hydrogen sulfide.

Abstract: Soluble nitrogen-containing species are removed from contaminated water by contacting the contaminated water with aluminum oxide particles in a reactor and adding sufficient sulfamic acid to the reactor to adjust the pH of the contaminated water to 5 or below to create treated water. The treated water, which has less of the soluble nitrogen-containing species than the contaminated water, is removed from the reactor.

Abstract: A batch process for the treatment of an aqueous solution so that the treated product is more desirable for disposal includes obtaining an influent batch of aqueous solution for treatment, treating the batch of solution by an advanced oxidation process. The advanced oxidation process including causing ozone to be mixed with the solution, maintaining the mixture of solution and ozone at a pressure above atmospheric for a time of at least two seconds. An embodiment of the process includes continuously recirculating the fluid to be treated, through a recirculation conduit, the recirculation conduit including an ozone injector and the ozone injector is adapted to inject ozone into the aqueous solution as the aqueous solution circulates through an ozone injector. Influent to be treated may be selected from the group including sewage, septage, leachate, ballast or other aqueous solutions where it is desirable to treat the fluid prior to disposal, further treatment, or reuse.

Abstract: A fluid decontamination apparatus is provided having a container body with a plurality of three-dimensional open structure (3DOS) substrates spaced about therein, wherein a contaminated fluid flowing through the container body will contact the 3DOS substrates. Nozzles can be inserted and secured within inlet apertures disposed about the container body, configured to inject the contaminated fluid with/without air to induce the occurrence of hydrodynamic cavitation. The substrates can be porous and permeable enabling the contaminated fluid to flow therethrough, wherein the fluid flow passageway through the pores extends the volume of contaminated fluid exposed to turbulent and cavitation inducing flow conditions. Moreover, the 3DOS substrates may be coated with one or more types of catalysts so as to initiate chemical reactions.

Abstract: Processing contaminated water containing volatile or/and semi-volatile compounds via flash evaporation. Method and system include: superheating contaminated water (via a superheating unit), for forming superheated contaminated water having a temperature equal to or higher than a predetermined threshold temperature; flash evaporating the superheated contaminated water (via a flash evaporation unit), for forming superheated contaminated steam; and thermally oxidizing the superheated contaminated steam (via a thermal oxidation unit), so as to thermally oxidize the volatile compounds contained therein, and form thermal oxidation gas/vapor products. Optionally, further includes integrated configuration and operation of a process control/data-information processing unit, and a heat recycling unit. Results in obtaining high yields and high energy efficiencies for removal of volatile compounds from contaminated water.

Abstract: The present tourmaline treatment device includes a housing, and a container disposed in the housing so as to partition the inside of the housing into an upstream space and a downstream space and contain tourmaline granules. The container includes an upstream partition wall facing the upstream space and a downstream partition wall facing the downstream space. The upstream partition wall is provided with a plurality of inflow holes for introducing cooling water into the container from the upstream space, and the downstream partition wall is provided with a plurality of outflow holes for allowing cooling water to flow out from the container into the downstream space. The container further includes flow velocity control means for increasing flow velocity of cooling water passing through the inside of the container.

Abstract: A filter element having a substantially cylindrical shape is provided inside a filter case that is provided with a plurality of opening portions in a side surface and has a bottomed substantially cylindrical shape. A fluid flows into a hollow portion of the filter element from an inflow portion provided between a bottom surface of the filter case and the filter element in a height direction. Further, an inner tube provided inside a filtration material having a substantially cylindrical shape includes a first region that is formed with an opening portion substantially on the entire surface and a second region that is not formed with an opening portion. The second region is provided below the first region to include a lower end of the inner tube.

Abstract: A filter device has a cup-shaped filter housing and a filter element disposed in the filter housing. A filter head is connectable to the filter housing and forms a cover for the filter housing. A spring element is provided that is acting on the filter element. The filter head has at least one first form-fit element. The filter housing has at least one second form-fit element for interacting with the at least one first form-fit element. The spring element is arranged such that the filter head and the filter housing for reaching a closed position, in which the at least one first form-fit element and the at least one second form-fit element engage each other, are movable relative to each other axially against the force of the spring element. The spring element clamps the filter element axially between filter head and filter housing in the closed position.

Abstract: When air inside a filter device is purged, filtered liquid can be discharged together with air to the outside of the filter device. A casing is provided inside a tank, a filter element is provided inside the casing, and a lid is provided so as to cover the upper face of the casing and the upper face of the tank. A first through-hole is formed in the substantially center of an upper plate that covers the upper end face of a filtration member of a filter element and is abutted with the lower face of the lid; in a plan view, a second through-hole, in which a first opening being one end is disposed at a position overlapped with the first through-hole, and a second opening being the other end is disposed between the side face of the tank and the side face of the casing, is formed in the lid; and the first through-hole and the second through-hole communicate with the hollow portion of the filtration member and space that is inside the tank and outside the casing.

Abstract: A whole blood filtration device is provided with a filter membrane separating a feeding volume and a clean side of the filter membrane from each other. The feeding volume communicates with a first feeding side opening and with a second feeding side opening. The filter membrane has pores with a pore size that ensures permeability of the filter membrane to blood plasma/serum and that retains blood cells. The first feeding side opening can be coupled to a first blood pump for feeding blood from the first feeding side opening into the feeding volume so that blood plasma/serum permeates the filter membrane and blood cells, retained by the filter membrane, exit from the feeding volume through the second feeding side opening.

Abstract: Disclosed herein are systems and processes for treating a Waste Stream comprising biosolids, the Waste Stream provided at varying flow rates and solids concentrations so as to achieve an SOUR of 1.5 mg O2/g/hr or less and an ORP of at least +300 mV. The system includes a biosolids manipulation device to adjust the volume of suspended solids as a percent of the total volume of the Waste Stream to five (5) percent or less; a chemical oxidant feed device to dose the Waste Stream with an oxidant such as chlorine dioxide, ozone, or similar oxidant, and a treatment vessel associated with said chemical oxidant feed device through which said Waste Stream flows, wherein said chemical oxidant feed device and said treatment device are configured so as to achieve a dose rate between 25 and 200 parts per million of the Waste Stream and substantially complete mixing of the oxidant within 30 seconds of dose delivery in the treatment vessel.

Abstract: A water filter cartridge has an end cap with inlet and outlet nozzles extending from the end cap. A lateral support extends laterally from at least one of the nozzles. A projection extends from the lateral support toward a receiving manifold to cooperate with the manifold during use. The lateral support is offset from the end cap so the projection is vertically offset from an end of the cartridge and laterally offset from and supported from the nozzles.

Abstract: A filter element assembly comprises a filtration media and an end fitting through which a sealing connection is made between the assembly and a housing so that the end fitting defines a flow path between the housing and the filtration media. The end fitting has first and second parts which can be separated axially, and the filter media extends axially away from the second part in a direction away from the first part. Each of the parts has an outer wall with an external threaded cylindrical surface, and each of the first and second parts has an axially facing edge surface which faces the other of the first and second parts, the facing edge surfaces shaped to define a pre-determined relative rotational alignment of the first and second parts, where the parts fit together so that the threads on the external surfaces of the parts form a continuous thread.

Abstract: A dispensing assembly for a pressure dispense package includes a connector having separate and distinct liquid and extraction conduits, and having a pressurization gas conduit. A liner fitment adapter may include a longitudinal bore to receive a probe portion of a connector defining a liquid extraction conduit, and may include a lateral bore to enable removal of gas. Insertion of a connector into a dispensing assembly simultaneously makes fluidic connections between (a) a gas extraction conduit and a dispensing volume; (b) a liquid extraction conduit and the dispensing volume, and (c) a pressurization gas conduit and a space to be pressurized within a pressure dispense vessel.

Abstract: A method and system comprising use of chlorine dioxide to alter the particle size distribution and facilitate removal of water from wastewater, for example sludge or biosolids. The method uses chlorine dioxide to alter the rheology of the wastewater to improve the efficiency of drying the wastewater, to meet regulatory standards for beneficial use or energy production.