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7314547 Fountain solution recycling system for commercial printers  
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a...
7311799 Hydrofluoric acid wastewater treatment method and device  
The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient...
7311834 Apparatus for the treatment of particulate biodegradable organic waste  
An apparatus for treating particulate biodegradable organic waste includes a thermal hydrolysis reactor receiving the particulate biodegradable organic waste for performing thermal hydrolysis at a...
7311833 Zero excess sludge membrane bioreactor  
An inclined plate coupled membrane bioreactor for treating feed water having excessive level of nutrients in particular chemical oxygen demand and total nitrogen and suspended solids has an...
7311821 Water circulation unit with increased throughput for swimming pools, and filter unit comprising the same  
A water circulation unit includes an ejector (142), a convergent, and a pipe (146) which is arranged in the extension of the convergent. The ejection axis practically merges with the symmetry axis...
7309445 Transferring slurry from a vessel  
Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or...
7306733 Autotrophic denitrification chamber and calcium reactor  
The present invention describes novel biological systems for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments.
7306735 Process for the removal of contaminants from water  
The present invention provides a method of removing contaminants from water which includes the steps of first providing a water feed exposed to at least one hydrocarbon or chemical process. This...
7300575 Portable filter system  
A filter system for receiving an aqueous-based fluid contaminated with particles and emulsified contaminant oil, removing the particles, and separating the emulsified contaminant oil from the...
7291267 Molecular separator  
The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which...
7288197 Biological membrane filtration system for water treatment and a water treatment process  
The present invention discloses a biological membrane filtration wastewater treatment system including a porous biological filtration bed zone and a membrane separation zone. The porous biological...
7276165 Method and plant for biological treatment of aqueous effluents for purification thereof  
The invention relates to a method for the biological treatment of effluents contaminated with impurities of urban or industrial origin, characterised in employing a single aeration tank (1) with a...
7270751 Method for treatment of sewage plant sludges by a fungal process  
The invention relates to a method for treatment of predominantly urban sewage plant sludges, characterised in comprising a step for treatment of the sludges by microfungi.
7267774 Fuel and by-products from fermentation still bottoms  
The disclosed invention is an improved method for treating ethanol distillation still bottoms by recovering, through solids separation and pressurized membrane filtration, potable water from still...
7264714 Protein skimmer  
A protein skimmer for use in purification of water by culture of fish or other water organisms in a reservoir, aquarium or (2) with a circulation system comprising one or more discharge tubes (4)...
7258790 Controlled eutrophication system and process  
A controlled eutrophication system and process are disclosed. The system includes the combination of a partitioned aquaculture system in conjunction with an anaerobic digester. Wastewater...
7250230 Water filter for an electrochemical fuel cell system  
Silica may form as a degradation product in an electrochemical fuel cell system and may be found within the water management subsystem thereof. The silica may polymerize and/or react to form...
7244353 Method of and system for fluid purification  
A method of and system for purifying fluid of an internal combustion engine or hydraulic system utilizes an evaporation chamber separate from a filtering chamber. A metering valve may be oriented...
7244356 Autotrofic sulfur denitration chamber and calcium reactor  
The disclosure is directed to systems and methods for conditioning water in an environment for holding aquatic life. The systems include various chambers for processing water, such as a chamber...
7232525 Automatic tank cleaning system  
An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and...
7226539 Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery  
A method of treating wastewater using an anaerobic bioreactor which contains a “bio-nest” structure to retain the microbial content and improve digestion efficiency is disclosed. The bionest...
7226542 Fluid treatment apparatus  
Portable personal water purifier with a microdischarge array sealed with a radiation emitter, preferably Xel, slightly above atmospheric or water pressure in a closely-configured treatment...
7226536 Portable water filtration device  
A portable water filtration device includes a liquid-tight filter container and a filtration device mounted in the liquid-tight container. The filtration device includes an inlet opening extending...
7217358 Ultraviolet radiation treatment of unwanted microorganisms  
A method and apparatus are described for killing or inhibiting growth of undesired microorganisms using ultraviolet radiation. A vortex turbulated flow of water is established within a vertical...
7201848 Methods and apparatus for separation of particles  
The present invention is directed to a method and system that separates first particles from second particles, or white blood cells from red blood cells, by sedimentation in a fluid chamber with...
7195712 Wastewater treatment apparatus and method for removing nitrogen and phosphorus  
Provided is a wastewater treatment apparatus for removing nitrogen and phosphorus having an anaerobic tank, an anoxic tank, an aerobic tank and a clarifier, wherein the aerobic tank includes has a...
7182856 Stormwater treatment train  
A system is provided for treating runoff water in which there is a separator and a filter for cleaning the water. A reservoir is provided to hold large quantities of water during prolonged...
7179375 Diffuser/emulsifier for aquaculture applications  
A method of treatment of water in an aquatic environment. Water is first pumped from a reservoir to a first mixing station. An inert gas is introduced into the pumped water at the first mixing...
7172688 Mixed immiscible liquids vacuum, separation, and disposal method and system (Mod 1)  
A system to collect by vacuum conveyance, separate, and discharge two mixed immiscible liquids with different specific gravities comprising a prefilter vessel 200, a vacuum tank 100, an optional...
7172699 Energy efficient wastewater treatment for nitrogen and phosphorus removal  
In a wastewater treatment plant, the liquid side of the plant has preferably four stages for nitrification and/or denitrification, prior to further treatment such as a clarifier. Energy...
7166220 Systems and methods for organic wastewater treatment  
A system and method for organic wastewater treatment through denitrification and nitrification processes. The system for treating organic wastewater includes a multistage treatment tank having at...
7163632 System and method for oxygenation for wastewater treatment  
A fluid treatment system and method for dissolving a gas into a fluid and subsequently allowing microbial or chemical reactions with the fluid mixture to decontaminate the fluid. The system...
7163629 System and method for enhanced wastewater treatment  
Enhanced wastewater treatment utilizing directed energy to promote degradation of sludge is disclosed. The directed energy is delivered in a stream circulating to and from an anaerobic digester....
7160456 Method and equipment for processing organic material  
A method for processing organic material, in which method bioconversion is performed on the organic material in at least one first reactor, the biogas formed in the bioconversion is treated with...
7160457 Digester cover  
An anaerobic digester for use in wastewater treatment systems having a fixed cover including a central tower for controlling gas and foam. A constant operating level is maintained in the digester...
7160472 Treatment of a waste stream through production and utilization of oxyhydrogen gas  
Methods and systems for treating a waste stream in a waste treatment system involve performing a unit process of the waste treatment system by contacting the waste stream with oxyhydrogen-rich gas...
7160441 Urban runoff water treatment methods and systems  
The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public...
7157012 Water treatment device and water treatment method using the same  
Object of the preferred embodiment is to remove sol-form microparticles and nitrogen components contained in CMP wastewater. Sol-form microparticle components contained in CMP wastewater are...
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...
7156992 Water treatment device  
A water treatment device includes a case having an inlet fitting on an underside thereof and a plurality of cylinders overlapped and received in the case. Each cylinder has a tube received therein...
7153428 Flooded densified leachbed anaerobic digestion  
The present invention provides improved systems and processes for performing sequential batch anaerobic composting (SEBAC) on high solids content wastes. In particular, the present invention...
7153419 Liquid treating device  
A liquid treating device without any restrictions for a sludge discharge device set above a liquid tank is provided. A cyclone separator adapted to swirl liquid to subject sludge to centrifugal...
7150832 Apparatus for and a method of treating organic waste  
The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The...
7147777 Wastewater treatment system with membrane separators and provision for storm flow conditions  
In a wastewater treatment system and process utilizing membrane bioreactors (MBRs), multiple, parallel series of tanks or stages each include, an MBR stage. Under conditions of normal flow volume...
7141169 Method and apparatus for biosustaining waste activated vermicular environment  
A system for processing sewage into vermicompost includes a holding tank for receiving and initially processing the sewage. A treatment tank, connected to the holding tank by a first pipe, is used...
7128839 Process and system for enhanced nitrogen removal in a wetland and recirculating sand filter wastewater treatment system  
A process and system for enhanced nitrogen removal in a wastewater treatment facility comprises a constructed wetlands and a recirculating sand filter. The effluent from the constructed wetlands...
7125487 Oil waste and toxic compound separator  
A waste product separator includes a plurality of plate gussets which support a top cover plate. Each gusset has opposite ends with an interconnecting declining edge extending from the top plate...
7122116 Water treatment system  
A water treatment system that includes a water storage tank fluidly connected to a water source through an inlet, a chlorination device fluidly connected to the water storage tank and the inlet, a...
7122149 Apparatus and method for continuous depyrogenation and production of sterile water for injection  
A fluid processor, suitable for the production of sterile water for injection, having a processor assembly and a process control system comprising a pump, a flow splitter, flow restrictors and a...
7108784 Apparatus for removal and destruction of ammonia from an aqueous medium  
Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact...