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6843910 Ornamental pond  
A decorative aquatic pond as found in residential gardens or the like having: an impervious liner defining a pond and confining a quantity of water within the pond, a filtration system comprising:...
6830681 Device and method for holding water for accommodating and growing aquatic organisms  
Device and method for keeping and growing aquatic organisms by optimizing the microbiological treatment of water. The device comprises a first chamber for holding oxygen-depleted water and a...
6827847 System and assembly for sanitizing swimming pool water  
A system and assembly for treating swimming pool water including an electrolytic chlorine generator assembly and a pass of ionization filter collectively mounted in a common cartridge replaceable...
6821435 Water purifying system  
The invention relates to a system for water purification comprising at least two units, of which the first unit comprises at least one filter unit (1) which consists of a container (2) containing...
6821442 Method and apparatus for control of aquatic vertebrate and invertebrate invasive species  
A method of killing aquatic species in water includes containing the water with the aquatic species therein within a conduit; pressurizing the water; and transferring gas to the water to thereby...
6821414 Water treatment apparatus  
The invention provides an improved means of purifying water which comprises a water treatment apparatus comprising a treatment housing (10, 60) having an inlet (18, 65) for the water to be...
6808622 Wastewater purifying apparatus  
To purify wastewater discharged from lavatories (3), a wastewater purifying apparatus having a shell contact aeration chamber (6, 7) placed with shell microbial carrier members (15), the...
6805792 Pool cleaner control device  
A device for switching between two inlet ports in a skimmer submerged in a body of water so that the latter can be cleaned (filtered) from two different areas. A conventional skimmer has first...
6802984 Poultry processing water recovery and re-use process  
This invention is directed to processes designed to recover water used in certain aspects of the processing of poultry, treat the recovered water to remove solids, fats, oils and greases, animal...
6793809 Pipe system for receiving and transporting lime sludge from a white liquor filter  
The pipe system is for receiving and transporting lime sludge from a filter medium in a continuously operating pressurized filter 1 in a causticizing process, where lime sludge is scraped off from...
6790349 Mobile apparatus for treatment of wet material  
A waste treatment apparatus for the treatment and processing of wet material is provided. The apparatus comprises an inlet hopper adapted for receipt of the wet material. A pre-conditioning unit...
6790352 Process for treating acid mine water with moderate to high sulfate content  
An apparatus for treating water contaminated with metal sulfates and sulfuric acid such as acid mine drainage (AMD) which in part recycles high pH effluent from later steps in the process back to...
6787043 Water purification system and method  
A water purification system and method using an ionizer and an ozonation treatment for ionization, oxidation and/or decomposition of undegradeable contaminants is disclosed. A high...
6783676 Pre- and post-treatment system and method for aquatic plant filtration using ozone  
A process for treating water to remove concentrations of nutrients and pollutants using ozone prior or after the water is exposed to natural filtration by periphyton or other aquatic plants. A...
6773587 Point-of-use water treatment system  
The present invention relates to a point-of-use water treatment system unit (10). The unit (10) includes a filter housing assembly (60) having a filter tank assembly (66) and a closure (64) which...
6773594 Waste-water purification in cattle-breeding systems  
The invention relates to an integrated stock farming system, comprising at least a stable for keeping cattle, wherein means are present for substantially preventing the formation of ammonia...
6770192 Water system for bacteria control  
A treatment system for use in a water delivery system for eradicating bacteria such as the Legionella bacteria. The treatment system includes an ultraviolet light source for killing bacteria...
6758972 Method and system for sustainable treatment of municipal and industrial waste water  
The present invention relates to a method for treatment of wastewater. More particularly, the methods of the present invention are designed for the biological removal from wastewater of...
6749752 System for removing oil from foodstuffs using a membrane filter  
A process and system for extracting a solute from a solid material, such as oil from oil-bearing foodstuffs, utilize a substantially tubular membrane filter to separate a mass of the extracting...
6743365 Magnetic filtration system  
A magnetic filtration system includes one or a plurality of collection units (1) comprising a magnet (4) disposed between a pair of plates (2, 3), one plate being magnetized North, the other,...
6733661 Ultrapure water producing apparatus  
It is an object of the present invention to provide an ultrapure water producing apparatus with reduced problems resulting from impurities generated after replacement of unit apparatuses. A TOC-UV...
6730223 Apparatus, system and method for treating waste material  
A method, apparatus and system for processing municipal waste starts with a biomass that has been treated in at least one steam autoclave and dilutes the resulting biomass in a dilution tank while...
6723232 Water purification apparatus  
A water purification apparatus for purifying water from a municipal water supply prior to a point of use has multiple water purification units including a carbon filter, a particle filter and an...
6709591 Static granular bed reactor  
A novel method and apparatus for treating wastewater is described which involves the use of a downflow bioreactor filled with active anaerobic granular biomass. Influent wastewater is evenly...
6709575 Extended life combination filter  
A filtering system (10) is provided for filtering working fluid from a machine (12) and includes a cleanable filter (16) and a centrifuge (82) where filter capacity is too low for a permanent...
6706185 Biological method of phosphorus removal and biological phosphorus-removing apparatus  
An apparatus and method for the biological removal of phosphorus, in which raw water is introduced into the anaerobic tank 11, together with returned sludge from the sludge return pipe 14. Some of...
6692645 Water reservoir filtration system and method  
A water reservoir treatment system for a swimming pool, water tank, spa, or fountain water, which is simple to operate, low in maintenance, and highly reliable. The system preferably comprises, in...
6692638 Method and apparatus for removing particulate contaminants from commercial laundry wastewater  
A filtration apparatus includes a laundry waste sump, a primary 50 micron static screen filter, a 9,000 gallon equalization tank, at least one secondary media/carbon filter, a sludge holding tank...
6685825 Water treatment system combining ozone injection and monitoring apparatuses  
A system for treating water includes an ozone injector combined with a monitoring apparatus 400 that includes a flow meter 402 and a pressure sensor 404. The monitoring apparatus includes a flow...
6663770 Water processing device  
A water processing device for removing contaminants from water for consumption, consisting of: 1) a heat exchanger; 2) a heater; 3) a boiler chamber; 4) a liquid level control device; 5) a...
6660169 Method and apparatus for reclaiming deicer from produced water of an oil well  
A method and an apparatus for reclaiming deicer from produced water of an oil or gas well includes a fractionation tower having a top condenser section, a bottom heat exchanger section and an...
6641721 Process and apparatus for treating wastewater  
Wastewater can be treated using a combination of a settleable solids separator, such as a vortex separator, and a gas floatation separation system.
6641722 System for removing silicone oil from waste water treatment plant sludge  
A method of removing silicone oils from waste water generated by a silicones manufacturing plant including the step of centrifuging the waste water to concentrate silicone oil contaminated solids...
6638433 System and method for controlling water-only cyclones  
A system for controlling the operation and performance of water-only cyclones used in coal preparation plants for separating a fine raw coal slurry into fine coal and fine refuse slurries includes...
6623636 Staged oil filter incorporating timed release oil conditioner  
An oil-conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element. The chemically active filter element...
6623650 Processes and apparatus for treating sewage or like sludge  
There is disclosed a process for treating sewage or similar organic sludge to produce a pasteurized and dried product comprising the steps of: drying the sludge to substantially the desired dry...
6620322 Apparatus and methods for purifying a waste influent material  
Apparatus can comprise an anoxic zone, an aeration zone in communication with the anoxic zone, and a sedimentation zone in communication with the aeration and anoxic zones. The sedimentation zone...
6616833 Ship-board system for decontaminating wastewater contaminated by firefighting operations  
A water pollution remediation system includes a plurality of decontamination modules that are self supporting and interconnectable for sequentially removing a plurality of different contaminants....
6616851 System and method for treating water circulating in open-circuit cooling systems  
A water treatment unit having: (a) a cooling tower; (b) a source of cooling water; (c) a main flow pipe for receiving the cooling water; (d) a source of fresh water connected to the source of...
6616844 Method for treating high-concentrated organic wastewater using bio-maker  
The present invention is related to a method for treating high-concentrated organic wastewater, such as night soil or livestock wastewater, which has high levels of nitrogen and phosphorous. In...
6607663 Portable and multi-stage filtration device for removal of perchlorethylene from dry cleaning wastewater  
A treatment and filtration device for use with a wastewater output contaminated with a chemical associated with a dry cleaning operation. An enclosed basin is capable of being filled with a volume...
6605214 Devices for preparing hemodialysis solutions  
A single housing includes a diluent inlet, a solution outlet, and a plurality of discrete reagent beds comprising at least one reagent in dry form, wherein the reagent is present in the discrete...
6602409 Apparatus for supplying deozonized ozone sterilized water  
An apparatus for supplying deozonized ozone sterilized water includes a first UV lamp unit received in an ozone-containing gas generating member to irradiate oxygen-containing gas flowing through...
6599418 Apparatus for treating water or wastewater  
An integrated apparatus that contains both the gravity settling mechanism and the dissolved-air floatation (DAF) mechanism in a compensating manner is provided. The said apparatus comprises a...
6596160 Periodic ozone treatment system for a showering tower type water cooling system  
A periodic ozone treatment system for a showering tower type water cooling system worked once daily for a period of 10˜30 minutes essentially comprises: an ozone dissolving tank to prepare high...
6592754 Apparatus and process for removing metallic particles from effluent liquid waste  
An apparatus for separating solid particles from the suction effluent of, for example, a dental office, preferably driven by a dental office vacuum pump, includes a surge tank for accommodating...
6589421 Filtering device  
A filtering device (1), and particularly a filtering device (1), applied to a filter for home water purification is disclosed. The object of this invention is to provide a water filter of a device...
6585890 Process for producing sterile water for injection from potable water  
By treating potable water at a temperature of at least 230° C. (446° C.) and at a pressure at least equal to the pressure of saturated steam at said temperature, can produce pyrogen-free water...
6579445 System for the production of laboratory grade ultrapure water  
There is disclosed a system capable of purifying water to a laboratory grade level that uses redox media, high energy catalytic activated carbon, ultraviolet radiation and high purity ion exchange...
6579446 Multi-process disinfectant delivery control system  
The present invention is a multi-process water treatment system including a manifold, a disinfectant source adapted to supply a substantially continuous flow of disinfectant to the manifold, a...