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5494585 Water remediation and purification system and method  
The water remediation and purification method includes a cavitation nozzle which is operated with a throat size and pressure drop to incur cavitation in the water. The explosive and implosive...
5470460 Apparatus for the purification of cyanide-containing waste water  
A two-stage apparatus for the purification of cyanide-containing waste water allows relatively clean water to be obtained from waste water containing high concentrations of cyanide and solids in...
5470461 Apparatus for producing pure water  
An apparatus for producing pure water is provided which includes means for ionizing non-ionic silica which is contained in water comprising a vessel for allowing the water to pass therethrough and...
5468373 Multiple-effect water treatment apparatus  
A water treatment apparatus includes a primary column having an iodine disinfection layer and an activated carbon layer juxtapositionally provided in the primary column for killing bacteria and...
5460723 Surface water processing installation with safety barrier  
A plant for the treatment of surface water comprises a safety barrier mounted at the exit from the treatment plant and constituted by a physical filter providing, at the exit from the filter, a...
5458780 Method of treating waste water  
The waste stream is mixed with a solvent that absorbs the oily material without dissolving in the water phase. The remaining water/solids mixture is then separated by vibratory screening, and the...
5453187 Food, oil and grease accumulation apparatus and method  
An improved food, oil and grease accumulating apparatus and method of use is disclosed. The improved apparatus includes a pump station to discharge contaminated effluent at a higher flow rate at...
5453165 System and method for reducing hydrocarbons in wastewater  
A system and method for reducing hydrocarbons in wastewater includes an oil separator and a stripper tower. The tower has a housing that includes a stripper section and a condensation section. The...
5447640 Method and apparatus for sterilization of and treatment with ozonized water  
Disclosed are a method for treatment with ozonized water which comprises feeding primary pure water to an ultrapure-water producing device containing at least a polisher to convert the primary...
5447630 Materials treatment process and apparatus  
A waste treatment system in which incoming waste is initially separated by a separator into solid and liquid components, without significantly emulsifying the solid components. The separator...
5447635 Process of concentration and purification of organic compounds  
A process for the concentration and purification of raw aqueous solutions of water-soluble non-ionic organic compounds, preferably those which are useful as contrast enhancing agents in diagnostic...
5445730 Grease/oil/water separator device for vehicle wash system  
A grease/oil/water separator device and assembly for a vehicle wash system having a grease/oil/water separator tank which has three tank compartments. A first tank, a settling tank, is provided...
5443733 Method and apparatus for treating waste water  
In air- and spacecraft and where drinking water supplies are scarce it is necessary to reuse the available water due to the limited tank volume available for the water supply. Such reuse calls for...
5443738 Recovery plant for surplus water paint  
To provide a recovery plant for surplus water paint in paint-spraying booths comprising a circuit of water circulating in the booth, wherein such problems with sedimenting water paint particles no...
5439584 System for reducing consumption of fresh water and energy costs used in a photofinishing operation  
Apparatus combination and system for reducing use of fresh water in a photoprocessing operation by recirculation of the wash water to the photoprocessing operation via a silver recovery system....
5433858 Treatment of hazardous waste water  
Treating industrial waste water to remove particulates of metals, organics, or salts so the same can be fed to a boiler or other processor by adjusting the ph of the waste water to a range of...
5433843 Marine aquarium with a dialysis water purification system  
A marine aquarium or a marine holding system has a tank connected to a closed loop circulation system. The closed loop communicates with an open loop through an osmotic and hydrostatic pressure...
5431810 System for purifying water containing immiscible organic compounds  
A system is provided for the purification of waste water which has been contaminated through the cleaning of circuit boards or other parts. The system continuously recycles rinse/wash water from...
5422013 Device and method of producing pure water  
A flow passage into which water-to-be-treated flows is provided with, in order from an upstream side, a deaerator as a DO eliminating device having a power variable mechanism, an oxidation device...
5417806 Method of removing fine contaminants from used paper fibre material  
A method of removing fine contaminants from waste paper fibrous material (S) is described with solution (1) and pre cleaning (2) whereupon the fibrous material is first subjected to a washing...
5415770 Apparatus for treating fluids  
A fluid treating apparatus and method for treating fluid to remove undesirable constituents contained therein are disclosed. The apparatus and method include employing a bed of metal particulate...
5411668 Process for the reclamation of used glycolic aircraft deicing compositions  
In the described process, the used aircraft deicing fluid is subjected first to a conventional filtration to remove undissolved substances and subsequently to an ultrafiltration to remove, in...
5407572 Systematic tertiary effluent polishing  
A tertiary treatment unit is provided that has a first filtration unit operatively connected to an influent for filtering solids therefrom to form an effluent, a second filtration unit operatively...
5407566 Apparatus for disposing of waste water  
Waste water is disposed in a flocculation mixing tank 1, an anaerobic tank 2 and an aerobic tank 3 connected in series. First, a dephosphorization flocculating agent and, if necessary, a polymeric...
5405526 Bottle water disinfectant system  
A bottle water disinfectant, storage, and dispensing system for purifying drinking water or the like. The preferred embodiment of the present invention contemplates a bottle water dispensing...
5401421 Energy efficient water purification system  
An energy efficient water purification system which maintains critical operating temperatures for effective reverse osmosis. The system includes hot and cold water inlets providing a flow of...
5395516 Filtration system  
A filtration system for filtering dope of a solvent-spun fiber manufacturing plant in which dope to be spun flows from a source of supply (10) through a series of filter assemblies (15) (21) (23)...
5395522 Apparatus for removal of organic material from water  
An apparatus for removal of organic materials from water includes a reactor for photocatalytic oxidation and/or ionization of organics in the water stream and an ion exchange column for removal of...
5389244 Pressure and vacuum filtration and washing device  
A pressure and vacuum filtration and washing device adapted for the processing and handling of hazardous materials without releasing hazardous chemical vapors includes a microporous filter medium...
5385664 Apparatus for producing ultrapure water  
In an ultrapure water production apparatus formed of a source water pretreatment system, a primary pure water system, and a secondary pure water system, the source water pretreatment system...
5384032 Water purifying and sterilizing apparatus  
A WATER PURIFYING AND STERILIZING APPARATUS including a box (1) within which three filtering chambers are provided, one of which (4) containing resin as a filtering element within its interior,...
5378358 Fuel processing unit  
A fuel processing unit can dewater and heat fuel before delivery to a filter. The unit has a housing with a settling chamber and an inlet communicating with the chamber. The housing has a filter...
5376281 Water purification system  
An apparatus for purifying water includes:a plurality of UV radiators which include a helical quartz tube through which water to be purified passes and an ultraviolet light source to irradiate...
5374352 Universal recycled wash water system  
A universal recycled wash water plant having a collector tank through which collected wash water and rinse water is channeled to a grease/oil/water separation tank which separates oil and grease...
5374356 Fluid treatment process using dynamic microfiltration and ultrafiltration  
A method of treating wastewater by passing wastewater into a dynamic microfiltration assembly to form a first concentrate stream and a filtrate stream and then passing the filtrate steam into an...
5370793 Circulating fluid purification apparatus and pool water purifying system using the same  
The method of cleaning porous ceramic filters with a backwashing apparatus comprising an accelerating circulation path and a unit for mixing accelerated water with high-pressure air can be...
5364529 Wastewater treatment system  
A wastewater treatment system is provided which includes (a) two chambers in which microbiological cultures grow aerobically, a first chamber which receives wastewater to be treated and a second...
5362386 Support mechanism of overflow weir in sewage disposal tank  
In order to easily and correctly adjust and set horizontality of an overflow weir in a treatment tank, the center portion of the overflow weir is supported through a fulcrum shaft in such a manner...
5362395 Method and apparatus for biologically purifying sewage which is organically loaded with substances difficult to decompose biologically or not decomposable biologically  
Biologically purifying sewage which is organically loaded with substances that are difficult to decompose biologically or are not decomposable biologically has the substances that are difficult to...
5358635 Integrated reverse osmosis water treatment and storage system  
A reverse osmosis water processing and storage system having a prefilter, reverse osmosis membrane assembly, and a storage volume contained within a first tank. The prefilter and reverse osmosis...
5356531 Reverse osmosis water system having pivoting clamp device  
An improved reverse osmosis water purification system having improved adjustable clamp means for securing the filter and membrane containers to each other and to the reservoir, together with a...
5352363 Process for removal of oil in aqueous liquid  
Disclosed herein is a process for the removal of an oil in an aqueous liquid wherein after cleaning a workpiece having oil thereon with an aqueous solution of a detergent, the oil contained in the...
5352364 Medical drug formulation and delivery system and reverse osmosis purification device  
A reverse osmosis device for purifying water from a source comprising a housing having an inlet for passage of water from the source, a first outlet for passage of purified water from the housing...
5350527 Oily water separation and water reclamation system  
A system and a process for separating impurities such as grease, fuels and solid particulate matter, from water contaminated therewith, comprising passing the water to be treated through a first...
5346617 Method and apparatus for purifying waste water  
A system and method for the purifying of water passing through the system, the system comprising in combination a plurality of containers; a quantity of particulate material formed of trace...
5336402 Sewage treatment apparatus  
Disclosed is a sewage treatment apparatus formed of an aeration chamber; and a settling chamber, into which aerated water is introduced from the aeration chamber for sedimentation of sludges. In...
5328616 Methods and apparatus for treating electroless plating baths  
Apparatus and methods for removing formate ions from electroless metal plating baths employing formaldehyde as a reducing agent and typically comprising polyvalent anions as metal chelant and/or...
5326468 Water remediation and purification method and apparatus  
The water remediation and purification apparatus includes a cavitation nozzle which is operated with a throat size and pressure drop to incur cavitation in the water. The explosive and implosive...
5326469 Method and apparatus for separating oil and water  
Oil and water separation apparatus comprising a reaction chamber having an inlet through which a mixture of oil and water may be introduced. A reaction that extends upwardly from an intake opening...
5324425 Method and apparatus for removing solids from aqueous wash solutions  
A method and apparatus for removal of solids from aqueous wash solutions such as, but not limited to, solutions used in hot jet-spray parts washers. Coarse solids are removed by a vortex separator...