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5766454 Home wastewater treatment and denitrification system  
A wastewater treatment system: The system entails an aerobic tank and an anaerobic tank. Wastewater enters the aerobic tank where it is aerobically treated. The effluent then flows to the anaerobic...
5766488 Method and apparatus for water treatment  
An apparatus for treating water includes a vertically extending contact vessel, wherein water is contacted with ozone, and a return vessel which contains a column of water of a sufficient height to...
5766489 Process and arrangement for continously carrying out photoreactions in a liquid phase  
A process and an arrangement for continuously carrying out photoreactions cloudy, colored or UV-absorbing media. The object of providing a possibility for increasing the photon yield while...
5759389 Dechlorination of TCE with palladized iron  
The present invention relates to various methods, such as an above-ground method and an in-ground method, of using a palladized iron bimetallic system for the dechlorination of chlorinated organic...
5757660 Scrubber control system and method  
A wet scrubber control system is configured with a pH sensor and a conductivity sensor in the return solution, and with a conductivity sensor in the feed solution. Concentration of the scrubbing...
5746923 Control of iron deposition in borehole pumps  
Method and apparatus for the control of deposition of contaminants in pumping systems. The method includes the steps of periodically stopping the pump and back feeding chlorinated water and/or...
5738784 Device for separating a blood component from blood or plasma  
A method and a device for separating a component, such as fibrin monomer from blood, by centrifugation, involve feeding of blood admixed an anticoagulant to a first annular chamber in a device,...
5725757 Reactor for UV radiation for the treatment of liquids  
The invention relates to a reactor for UV radiation for the disinfection of liquids comprising at least one high or medium pressure UV emitter (1) arranged coaxially inside a protective sheath (2)...
5723045 Process and apparatus for supercritical water oxidation  
An improved process and apparatus are disclosed for the supercritical water oxidation of organic waste materials which avoids or at least substantially reduces the corrosion and solids deposition...
5705060 Vessel for mixing or separating flowing media  
A vessel for mixing flowing media or for extracting heavy constituents from flowing media generates a natural vortex in the media flowing in the vessel. The vessel cross-section has at least one...
5702614 Fluid treatment method  
A device for treating fluid, particularly polluted water such as add-sulphate water. The device includes a stainless steel chamber which is provided with buoyancy pontoons allowing it to float in...
5695644 Fluid treatment device and method  
A fluid treatment device, especially for reducing or removing the effects of hard water, has a fluid inlet, a fluid outlet, and a cavity extending between the inlet and the outlet. A dielectric...
5693204 Passive pH adjustment for analytical instruments  
An apparatus for adjusting the pH of an electrolytically dissociated process stream is disclosed. The apparatus includes a matrix of pH adjusting chemical and an erosion rate modifier. The pH...
5690820 Wellhead brine treatment  
This invention relates to methods, systems and apparatus for producing primary treated brine, i.e. <20 ppm calcium, magnesium, strontium and barium ions at the wellhead of underground salt...
5690818 Spray sludge suppression system  
In a waste water treatment system having a container and waste water disposed therein, an apparatus for treating a sludge blanket comprising at least one spray assembly, the spray assembly fluidly...
5683575 Apparatus for activation of a digesting agent upstream of organic material treatment  
An apparatus is constructed and arranged for activation of a digesting agent upstream of where it is introduced to contact an organic material. The apparatus includes a container for housing...
5681457 Electrodynamic fluid treatment system  
A unit for removal and prevention of scale deposits in a preexisting fluid containing system and destruction of microbes. The invention utilizes a.c. and d.c. superimposed electrical fields in...
5681456 Pressure-vacuum fluid handling system and method of removing and replacing engine coolant  
A complete fluid handling system for automotive engine coolant that is installed within an automotive service center. The system delivers either new coolant in a 50% antifreeze--50% water ratio or...
5670040 Internal platelet heat source and method of use in a supercritical water oxidation reactor  
A process and apparatus for the supercritical water oxidation of organic waste materials which avoids or at least substantially reduces the corrosion and solids deposition problems associated with...
5667673 Microbial mediated water treatment  
Generation of Fe +2 for water treatment and treatment process using same.
5662795 Swimming pool chemical dispenser  
Describes apparatus for dispensing a sanitizing chemical into a swimming pool. The apparatus is a container having a closed bottom, a lid with a dispensing opening, and a plate with colored...
5656157 Separation of components of mixtures  
In apparatus for separating the components of a mixture, the mixture is admitted to a first inlet which communicates with a working region which may be defined by a cylindrical tube. A fluid under...
5653884 Separating solutes from solutions  
A method of separating a solute from a supercritical fluid which includes reducing the pressure of the supercritical fluid and is characterized in that the supercritical fluid and solute are mixed...
RE35559 Bag filtering unit for the dehydration of sludges with a supported vibrating device  
A unit for the dehydration of sludges, particularly for purification plants including a support structure (10) supporting a vibration causing device (24), at least a collection reservoir (11) of...
5643425 Saturated brine tank in apparatus for production of electrolyzed water  
A saturated brine tank in an apparatus for production of electrolyzed water having a box-type cabinet formed to contain the vessel of a brine tank mounted thereon and covered with a lid, wherein...
5624573 Apparatus for the disinfection of a flowing liquid medium and a plant for the treatment of clarified sewage  
An apparatus is disclosed for the disinfection of a liquid medium having a transmission of <75%/cm with the help of UV radiation. The apparatus comprises a plurality of UV radiators combined to...
5624549 Apparatus for partial dewatering of raw sludge comprising reciprocating plunger presses  
Apparatus for partial dewatering of raw sludge, includes at least two filter units each defining a filter chamber which receives raw sludge and has an outer wall surface formed as filter for...
5624550 Process for treating sludge and system for the same  
Sludge which is supplied from an untreated sludge tank 3 and diluting water from a diluting water supply facility 14 is charged into a continuous kneading mixer 12 for diluting the sludge to make...
5620609 Process and apparatus for dewatering controlled by monitoring light scattered by supernatant  
A sedimentation or other dewatering process conducted on a suspension is controlled by filling a body (1) that is open at its top end (2) with the suspension, establishing quiescent conditions and...
5618440 Method and apparatus for treating and disinfecting water and/or wastewater  
A novel method and apparatus is provided for treating and/or disinfecting water and/or wastewater wherein the contact chamber is sealed and under greater than atmospheric pressure having a...
5611920 Biocide treatment system and method  
A system and method for the delivery and application of a biocide treatment to a facility. A specially adapted vehicle is used to transport biocide precursors, and a generator capable of generating...
5607579 Apheresis apparatus for separating an intermediate density component from whole blood  
An apheresis apparatus for increasing the purity and yield of platelets separated from donated whole blood by centrifugation incorporates a centrifuge for separating whole blood into lower,...
5603826 Return pump system for use with clean-in-place system for use with vessels  
A self-cleaning return pump system for use with a clean-in-place system for cleaning vessels includes a recirculation loop for providing flow communication including a return pump, an eductor, and...
5591643 Simplified inlet channels  
The present invention provides centrifugal rotors for delivering a liquid, typically a biological sample such as diluted plasma, to an unvented chamber in the rotor through an unmodified inlet...
5582718 Non-pressurized algaecide feeder method and apparatus for swimming pools and the like  
A liquid algaecide solution in a replaceable bottle is connected in a non-pressurized connection to the water recirculation line of the swimming pool; at the input side of the pump. A flow control...
5565096 Natural filter for ecological system  
A natural filter for ecological systems is provided. The apparatus includes a rock medium container for holding rocks for filtering life, means for circulating water, means for floating the...
5564765 Module suspension apparatus  
Apparatus for positioning a module containing at least one ultraviolet lamp relative to a passageway in which fluid to be treated flows including a base member fixed to stable structure associated...
5554293 Disposable blood washing and apheresis device and method of using thereof  
A blood processor for separating blood into cellular blood components and blood fluids including means for receiving a source of blood whose components are to be separated; means, operatively...
5543042 Waste agent reservoir for suction drainage system  
The present invention is directed to a waste treating reservoir for treating waste collected using an associated suction system. A disposable receptacle connected to an associated suction system...
5538628 Sonic processor  
A device for imparting sonic energy to a continuous flow of an emulsified liquid to de-emulsify the liquid and thereby provide for separation and extraction of selected liquid components. The...
5538630 Waste water treatment apparatus employing a rotating perforated cylinder and baffles  
Disclosed is an apparatus for refining waste water. The apparatus includes a housing having an inlet for receiving the waste water and an outlet for delivery of refined water; a cylindrical drum...
5531905 System and method to control laundry waste water treatment  
A system and method are disclosed for controlling the amount of cationic coagulant to be introduced into a laundry waste water having a content of non-solid fats, oils and/or grease (FOG) which is...
5531908 Germ-free liquid dispenser  
A germ-free liquid dispenser is disclosed. The dispenser includes a liquid container having a liquid outlet opening, a reservoir for receiving and reserving the liquid from the container, a holder...
5529751 Aquarium pH adjustment apparatus  
An apparatus is provided for adjusting the pH of water in an aquarium. A measured sample of the aquarium's water is combined with a chemical indicator. The pH of the aquarium is then determined. If...
5520821 Apparatus for preventing or eliminating zebra mussel infestation of a domestic water supply  
A chlorinator in combination with a domestic water system is disclosed. The water system has a water inlet under the surface of an outdoor body of water, a pressurized storage tank, a water pump,...
5514264 Pressurized solution feed system for pH control  
A method and appartus for controlling the pH of a water stream using carbon dioxide in which carbon dioxide at a selected pressing and flow rate is mixed with a carrier water, also at a selected...
5514268 System and method of cooling apparatus  
This invention intends to provide an apparatus-cooling system high in cooling efficiency and easy in maintenance as well as a method to cool an apparatus. The invention is characterized in that an...
5498333 Cover and lid with sealably enclosed gasket for swimming pool  
The invention is directed to a transparent plastic cover for a chlorinator container or lid for a filtering container used in swimming pools. The cover or lid is prepared from transparent plastic...
5494576 System and method for treating water  
This invention is a method and system for treating wastewater and for purifying and disinfecting drinking water. The treatment includes the addition of pressurized ozonated air to the pumped raw...
5494589 Method of mixing gases and liquids employing concentric helical flowpaths  
A generally columnar chamber for uniformly mixing a gas, such as ozone, into a liquid, such as water. The mixing chamber is assembled from a series of round tray sections each having an outer and...