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8133396 |
Dissolved air floatation with filter system
A system for filtering organic molecules from an electrolyte solution, including a feed inlet line adapted to carry a solution with organic molecules, a filter vessel secured to the inlet line, and...
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8092694 |
Secondary filtration device applicable to a three-phase process
The present invention describes a device allowing secondary filtration of catalyst particles contained in an effluent from a process comprising a reactor operated in three-phase mode.
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8080163 |
Water treatment method
Exemplary systems and methods for treating contaminated water are described. In one instance a method supplies metal salt reagents to a moving media filter in the presence of contaminated water....
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8070961 |
So-called water catalytic decarbonation appliances
The invention aims at enabling, in a catalytic decarbonation apparatus, inert particles coated with calcium carbonate to be constantly and systematically extracted from the reactor, with no risk of...
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8048303 |
Bioretention system and method
A bioretention system and method are provided for removing phosphorus, nitrogen and other materials from effluent such as wastewater and stormwater. The system and method can include a filtration...
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8034246 |
Wastewater mercury removal process
A method for removing ionic, organic and elemental mercury from aqueous streams such as wastewater streams from hydrocarbon processing. The method comprises four primary removal steps. First, a...
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8002993 |
Bring your own water treatment system
A method and apparatus for filtering a fluid is presented. In one embodiment, the apparatus converts contaminated water into water having a lower turbidity and bacterial contamination level than...
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7967992 |
Method and device incorporating granular particles and disc-shaped plastic pellets for filtering water
A novel water flow facilitator for granular filter devices that operate under gravity and contain granular particles, further consisting of plastic pellets that are 2 to 100 times, preferably 5 to...
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7943051 |
Portable settling and dewatering tank
A settling tank for dewatering a thin slurry is provided in a lined portable container and with a disposable filtering means. A novel method of processing the slurry by settlement of the solid...
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7871528 |
Water filter
The water filter including a container, which has a bottom and a cover, wherein several inlets are provided on the border of the cover and an outlet is provided in the centre of the bottom. A...
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7799235 |
Fluid filter system and related method
A system and related method for separating floating and nonfloating particulate and entrained, suspended, and/or dissolved contaminants from a fluid. The system includes a tank with a lower chamber...
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7785479 |
Apparatus and method of separating
The present invention advances tank-based aquaculture by providing a low cost, high efficiency solid waste separator. The invention combines the simplicity of centrifugal-gravitational separation...
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7776217 |
Bioretention system and method
A bioretention system and method are provided for removing phosphorus, nitrogen and other materials from effluent such as wastewater and stormwater. The system and method can include a filtration...
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7754159 |
System and method for limiting backflow in a biological fluidized bed reactor
A fluidized bed reactor configured for reduced backflow of fluid is provided. The fluidized bed reactor comprises a vessel configured to contain a level of fluid, a feed conduit positioned to...
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7731858 |
Method for liquid purification using a molecular reaction unit
A method for modifying contaminants in a liquid comprising a reaction chamber where the liquid interacts with an ionization reaction material which causes contaminants to reduce or oxidize into...
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7655151 |
Method of operating a fluid treatment device employing a non-bonded media
A fluid treatment and media management device having concentric inner and outer perforated cylinders defining a chamber therebetween for containing a media. A case surrounds the perforated...
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7572383 |
Process for filtering a fluid with a compressible filtration media
A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to...
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7435351 |
Filter apparatus backwash removal device and backwash removal method
A filter media backwash removal method and device for transporting backwash fluid and solids away from re-entering a housing containing circulating filter media.
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7425274 |
Aquarium filter unit
An aquarium filter which is constructed of a housing which includes a module. The module is divided into a plurality of different sections. A separate filter cartridge is to be mounted within each...
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7416667 |
Polyurethane oil de-emulsification unit
A process for separating an aqueous emulsion including an aqueous phase and an non-aqueous phase into separated aqueous and non-aqueous phases, to provide a recovered non-aqueous phase, and to...
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7247241 |
Process for treating lipophilic fluid
Process for treating lipophilic fluids employing filters, more particularly, multifunctional filters that are capable of removing as well as adding components to lipophilic fluids being filtered...
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7223347 |
Apparatus and method for filtering fluids
The present invention provides an apparatus and method for filtering fluids with a compressible filter media within at least a portion of a housing inwardly compressible.
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7195710 |
Systems and methods using multiple solvents for the removal of lipids from fluids
This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one...
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7156995 |
Aeration tank control valve system
Mineral contaminants are removed from water in a system in which water is sprayed into an air head at the top of a tank through a diffuser and withdrawn through a pick-up tube. A solenoid valve...
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7108794 |
Recycled tire pipe fluid purification process and apparatus for liquids including stormwater
A method of conveying and purifying fluids including stormwater by passing fluid through an assemblage of tires fastened together by physical and chemical means, and an apparatus for carrying out...
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7033498 |
Cartridges useful in cleaning dialysis solutions
Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of...
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7014783 |
Flow splitting weir
A method of minimizing head loss in a filter system including a plurality of drop pipes, a plurality of filter cells having a maximum influent level, and a distribution box having a maximum...
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6969469 |
Method of using waste tires as a filter media
The present invention is a method of using crumb rubber from recycled tires as a filter media. The use of crumb rubber as a media differs from conventional sand or anthracite filters in several...
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6936176 |
Transportable water treatment system
A transportable water treatment system comprising: an inlet adapted to receive water having a pressure of between 10 to 60 psig, a primary regenerable filter connected so as to receive water that...
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6712898 |
Perlite products with controlled particle size distribution
Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product...
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6630071 |
Process for the treatment of waste water containing heavy metals
A process for the treatment of waste water containing heavy metals in which sulphur components and/or metals are biologically reduced to precipitate the metals as water-insoluble metal species,...
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6599429 |
Water treatment product and method
A water treatment product which is a particulate material having a specific surface area of at least 1.0 m2/g, or an artefact formed by bonding together such particulate material, and having an...
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6464884 |
Portable water treatment unit
A portable water treatment unit is provided for purifying contaminated water, especially in the aftermath of a natural disaster that compromises a region's water supply. The treatment unit is...
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6426005 |
Sequential descending bed filters with reject/washwater containing impurities being fed to a separate unit for elimination of impurities
A treatment system for treating water/wastewater includes two continuously operating granular media filters that are operated together in series. The water/wastewater to be treated is introduced as...
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6419843 |
Sewer apparatus
An improved sewer apparatus comprising a maintenance hole and an influent line for carrying sewage to the maintenance hole, a vortex form disposed substantially within the maintenance hole which...
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6361701 |
Method and device for continuous filtration of liquids
The invention relates to a method and device for the continuous filtration of liquids containing solid matter, in particular for cleaning wastewater, by means of a filter bed consisting of a...
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6325943 |
Method of treating water using aerator and level-responsive vent valve
A water treatment apparatus provides treatment of water to remove, for example, hydrogen sulfide and iron, dissolved or dispersed in ground water. The system is provided with water from a...
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6322705 |
Method and a device for the purification of fluids
A water-based heating or cooling plant incorporating a filtration device and a pipeline network for bleeding water from the heating or cooling plant to the filtration device, the filtration network...
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6197204 |
Zinc oxide fluid treatment
The concentration of dissolved arsenic in water is reduced by contacting the water containing the arsenic with zinc oxide.
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6190548 |
Multi-chambered treatment filter
An enclosed, elongated structure for placement in the ground to filter and biologically pretreat wastewater after it leaves a septic tank and before it enters a drain field. The structure includes...
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6187194 |
Packaged aeration and filtration system
An aeration and filtration system for eliminating waste products in a fluid body having a surface floor is disclosed. The aeration and filtration system includes a support bed disposed above the...
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6177016 |
Water purification methods with in situ generation of metal hydroxide flocculants
The present invention is directed to methods for purifying wastewater, including water which may or may not contain fatty acids or oils, by producing in situ a hydrophobic flocculant including a...
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6165366 |
Process for removing mercury from industrial and clinical waste water
A process is described for the removal of mercury present at levels of 1-5000 ppb in waste water discharged from clinical research laboratories, industries and hospitals. The process involves...
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6161308 |
Slimes treatment
The invention relates to a method of producing a thickened slimes fraction blended with a tailing fraction for delivery to a discharge or disposal point (38). The method includes the steps of...
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6143186 |
Device for continuous filtration of liquids
A continuous filter device for liquids has a filter chamber that receives a granular bulk material forming a filter bed. The filter chamber has rectangular inner-walls with a liquid-permeable inlet...
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6139745 |
Purification apparatus
A purification apparatus and method for enabling the purification of the lake and pond waters, is installed as a fluidized bed sewage system directly on the raw water area. The apparatus takes in...
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6117343 |
Filler-packing apparatus, filler-packing method, and filler-packed column assembly
A filler-packing apparatus comprises a bundled filler-receiving space assembly, a movable bottom stopper assembly having bottom stoppers which are insertable into bottom openings of the...
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6096226 |
Method of combating phytopathogenic microorganisms in the water circuits of greenhouses
The phytotoxic action of too high a concentration of peroxygen compounds such as peroxycarboxylic acids and hydrogen peroxide in the combating of phytopathogenic microorganisms, such as fusaria, in...
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6071413 |
Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse omosis
A reverse osmosis process for treating a phenolic stripped sour water stream containing soluble and insoluble contaminants is provided. Prior to passage through a reverse osmosis membrane, the...
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RE36660 |
Fluidized bed reactor and distribution system
This invention provides a fluidized bed reactor with improved method and apparatus for inhibiting and clearing clogging of the fluid distribution network in such reactor. In particular, at least...
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