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7378024 |
Methods for improving filtration performance of hollow fiber membranes
In accordance with the present invention, there are provided methods for improving performance of hollow fiber filtration membrane modules. Invention methods comprise a unique backwashing technique...
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7378023 |
Method of improving membrane bioreactor performance
Cationic polymers having a molecular weight greater than about 200,000 can be added to the activated sludge in an MBR for industrial wastewater treatment for reasons, which include: conditioning...
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7378022 |
System and methods for biological selenium removal from water
A biological system for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) and a selenide removal module. The first ICB comprises a chamber having a substrate...
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7378021 |
Tidal vertical flow wastewater treatment system and method
A wastewater treatment system includes a tidal, sequential vertical flow marsh cell system having at least three marsh cells in serial forward fluid communication. Incoming wastewater to be treated...
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7378020 |
Fluoropolymer membrane
A porous fluoropolymer membrane comprising a first surface, a second surface, nodes and free fibrils, wherein one of the first and second surfaces has a greater number of free fibrils per unit area...
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7378019 |
Filter assembly with vortex fluid distributor
A filter assembly for filtering water in an aquatic structure having a housing with a flow inlet and a flow outlet and filter media between the flow inlet and the flow outlet. A vortex distributor...
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7378018 |
Intersecting water conducting filter
An intersecting water conducting filter including a filter main body. An oblique tapered assembly chamber is formed in the filter main body. A sidewall of the assembly chamber is formed with...
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7378017 |
Disposable fluid separation device and manifold assembly design with easy change-out feature
Fluid separation assembly that allows easy and fast change-out even in confined spaces, and also minimizes or eliminates leakage during change-out. A fluid separation unit having a housing...
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7378016 |
Device for increasing pH of an aqueous stream
A device is provided for increasing the pH of an acidic aqueous stream, which may result from commercial activity in petroleum, mining, metal finishing and food processing sectors, among others. A...
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7378015 |
Filtered water enhancements
A system for enhancing water is described. The system includes a housing with an inlet and an outlet, source water at the inlet, which can flow through a filter component in the housing and thus...
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7378014 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir
A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas...
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7377959 |
Process and apparatus for decomposition treatment of volatile chlorinated organic compound
A large amount of a medium containing a volatile chlorinated organic compound (VOC) with a low concentration is passed through an adsorber filled with an adsorbent which adsorb and desorb the VOC...
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7377957 |
Method and construction of filters and pre-filters for extending the life cycle of the filter bodies therein
A method of utilizing a filter having a filter body removing solid particles from a fluid, in order to extend the life cycle of the filter body before cleaning or replacement thereof is required,...
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7377210 |
Grease receiving and holding system
A grease receiving and holding system includes a sink that has a peripheral flange having an opening extending therethrough. A housing is mounted below a plane of the peripheral flange. The housing...
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7375173 |
Ecofriendly cationic polyelectrolytes
The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative,...
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7374929 |
Device for microbiological examination of a sample of liquid under pressure
This concerns a device whose filtering membrane ( 4 ) is gripped annularly at the periphery between an annular transverse wall ( 32 ) forming part of a drainage body and an axially oriented...
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7374734 |
Absorbing agent and method for eliminating acid gases from fluids
The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine,...
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7374726 |
Chemical reactor
In a chemical reactor, a gas and a liquid which are in trace volumes are used to produce air bubbles and thus increase the interface area between the gas and liquid, substantially enhancing the...
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7374724 |
Device for processing samples, use of the device, and method for producing the device
The invention relates to a device ( 1 ) for processing samples ( 2 ), comprising a body ( 3 ) with a collecting chamber ( 4 ), which can be connected with a pump ( 5 ) for aspirating, or dispensing...
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7374694 |
Method for remineralizing raw water
The invention relates to a method and installation for treating water for human consumption, for an industrial process, for agricultural purposes or for other purposes. The method used to...
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7374693 |
Water decontamination apparatus and method
A process and apparatus for water purification has a stationary electrode opposing a movable electrode which are positioned about a passageway for the water to be purified. The stationary electrode...
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7374692 |
Treatment of ballast water
The invention relates to hydrocyclones for ballast water treatment. The invention further relates to ballast water treatment systems comprising such hydrocyclones and methods of operating such...
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7374691 |
In-situ hydraulic treatment conduit
A system is installed in the subsurface to control the hydraulic gradient between the area within a containment system and the area outside the containment system, and provides an easy-to-maintain...
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7374690 |
Processes for removing oil from solid wellbore materials and produced water
Processes for removing oil from a solid wellbore material such as drill cuttings or water such as produced by a subterranean formation include contacting the solid material/water with an...
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7374689 |
System and method of gas energy management for particle flotation and separation
A system for separating particles from a contaminated liquid stream includes an apparatus for mixing the liquid with one or more separation enhancement additives and gases. A pressure reducing...
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7374688 |
Spark-induced consolidation of sludge
Exposing sludge to underwater, high-intensity sparks, to increase cake solids, provide faster settling, and increase the rate of dewatering.
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7374687 |
Method of decolorizing stock-raising treatment water
A decolorization treatment method in which not only can a liquid that has been obtained by treating raw water that is stock-raising treatment water in a purifier tank be decolorized swiftly with...
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7374686 |
Electrocoat manufacturing process
The present invention provides a method of preparing an electrocoat coating composition, comprising forming an aqueous emulsion comprising a film-forming component and water and removing at least a...
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7374685 |
Process for separating metallic from semiconducting single-walled carbon nanotubes
A method for separating semiconducting single-walled carbon nanotubes from metallic single-walled carbon nanotubes is disclosed. The method utilizes separation agents that preferentially associate...
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7374684 |
Method of separating components in a sample using silane-treated silica filter media
The present invention provides methods for separating one or more components of interest from a sample containing particulates and soluble materials. The method comprises the steps of: (a)...
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7374683 |
Biofilter and method for filtering a waste liquid
The biofilter is used for the purification of a waste liquid using layers of filtering material, wherein the waste liquid moves downwardly by gravity while an O 2 -containing gas moves upwardly...
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7374682 |
Method and apparatus for the methane fermentation treatment of wastewater containing sulfur compound
A method and apparatus for the anaerobic methane fermentation treatment of a wastewater containing a sulfur compound. An oxidizing agent is added to an organic wastewater to oxidize the sulfur...
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7374681 |
Biological deoxygenation method and uses thereof
The present invention relates to a composition and a method for reducing the level of oxygen, preferably dissolved oxygen in an aqueous environment. The composition comprises deoxygenating...
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7374680 |
Filtration matrix
The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent...
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7374679 |
Asymmetric porous polytetrafluoroethylene membrane for a filter
The present invention provides an asymmetric porous PTFE membrane for a filter having little change over time and conventionally known properties of a porous PTFE molded article such as water...
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7374678 |
Apparatus and method for separating and concentrating fluids containing multiple components
An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It...
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7374677 |
Two stage hemofiltration that generates replacement fluid
The present invention relates to a system for two-stage blood dialysis of a patient. In one embodiment, the system comprises a first filtration device for receiving the blood from the patient and...
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7374676 |
High rate filtration system
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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7374675 |
Mixer for use in wastewater treatment processes
A system and method of aerobic wastewater treatment provides large mixing bubbles along with small oxygenating bubbles supplied by diffusers. The mixing bubbles are large enough to move wastewater...
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7374674 |
Liquid chromatography apparatus
A liquid chromatography apparatus includes a separation column, liquid feed pump which feeds eluent into the separation column, a detector which detects elution component fed from the separation...
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7374673 |
Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up
Polymer fibers having a novel cross-sectional geometry are used as stationary phase materials for liquid chromatography separations. Fibers of 20 to 50 micrometer diameters have surface-channel...
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7374672 |
Filter device comprising integral centrifugal separation
A filter apparatus having a filter membrane, a main body, a supply channel running perpendicular to the surface of the filter membrane and a gap running between it and the filter membrane, for the...
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7374671 |
Leaf and debris catcher
A leaf and debris catcher for removing leaves and/or debris from a body of water. In one aspect of the invention, the leaf and debris catcher includes a base, a first vertical support member, a...
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7374670 |
High aspect ratio wastewater system
A leaching conduit comprising: a high aspect ratio channel; a first pipe in fluid communication with the high aspect ratio channel; and where the aspect ratio of the high aspect channel is...
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7374669 |
Vacuum waste removal system
A vacuum transport system suited to moving FOG-laden water. The system includes a first reservoir and at least one vacuum pump in fluid communication with the first reservoir and operable to...
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7374668 |
Valve automated in-situ cleaning system for oil water separator
An oil/water separator tank having intake, discharge and vent fittings is conditioned for in-situ cleaning of the oil separator plate stacks positioned therein by selective opening of manual valves...
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7374603 |
Particle transport and near field analytical detection
Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the...
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7374366 |
Wave generator
A wave generator comprises a seat; a positioning ring a wave generating unit received in an upper side of the seat; the wave generating unit being formed by a flow-steady base and a flow-collecting...
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7374364 |
Trench drain filter assembly
An improved trench drain filter and modular system therefor for intercepting and treating run off water in a trench drain before discharge into a drainage system. The filter elements include a...
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7374059 |
Covering systems and venting methods
A covering system that includes a first membrane, a first flotation member coupled to the first membrane. The first flotation member includes a first float and a first float compartment membrane,...
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