Matches 201 - 250 out of 812 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
5681482 Method for monitoring and controlling a filtration process  
A method for creating a filtration knowledge base is used in a filtration process for separating a liquid component and a solid component from a slurry. The concentrations of the solid component in...
5676841 Blood processing systems and methods which monitor citrate return to the donor  
Blood collection systems and methods minimize citrate toxicity in donors. The systems and methods convey whole blood at a prescribed rate Q b into a separation device for separation into red blood...
5674382 Wet oxidation apparatus with compressor  
A wet oxidation apparatus includes a device for raising the pressure of liquid oxygen; an evaporator for evaporating the liquid oxygen; a device for supplying nitrogen including a compressor for...
5665904 Osmometric device and process for determining the analyte content of a solution of mixed substances  
In an osmometric measurement device and a method for determining the content of an analyte in a solution of a mixture of substances including the analyte, the mixture solution is admitted to a...
5662805 Process and apparatus for controlling the dewatering of suspensions  
The addition of polymeric flocculant or other chemical dewatering modifier to a suspension flowing through a service line to a dewatering plant is controlled automatically in response to automatic...
5649560 Combined measuring and injecting flow cell  
A combined measuring and injecting flow cell has a single housing defining a pair of chambers connected by a small passage. The first or sensing chamber has an inlet valve and at least one...
5641410 System for treating reclaimed water to provide treated water and corresponding method  
A water treatment system provides a flow of treated water having a pre-established quality, for example, a maximum TDS and permitted pH range, from a flow of reclaimed water having a quality poorer...
5637230 Water treatment method and apparatus for adding calcium hypochlorite to potable water  
Apparatus and method are provided for the treatment of potable water. A non-pressurized chlorinator has a first chamber which receives solid calcium hypochlorite tablets. A portion of the potable...
5632903 High volume self-cleaning filter  
The present invention relates to a filter unit, and a filtering system using the filter unit, comprising a housing having a longitudinal axis and an inlet and outlet for fluid containing solid...
5632885 Hydrogen peroxide removal equipment capable of treating both waste water and waste gas  
There is provided a hydrogen peroxide removal equipment which has a high capability for removing hydrogen peroxide and is able to cope with variation in amount of a hydrogen peroxide containing...
5628895 Closed circuit for treating drinking water with UV treatment and filtering  
A description is given of processes and machines for the treatment of drinking water, preferably in the domestic sector. With these processes and machines, undesirable constituents, for example...
5626755 Method and apparatus for waste digestion using multiple biological processes  
Methods and apparatus for treating waste streams utilize controlled introduction of microscopic gaseous bubbles to create, in a single vessel, as many as three separate biological environments in...
5589068 Method of controlling waste water purification plants using multiple control functions  
A method of automatically controlling a wastewater purification plant comprises the steps of measuring two or more of a number of parameters, determining a control parameter on the basis of the...
5589064 Apparatus for liquid solid separation of liquid effluents or wastewater  
A method and apparatus for liquid solid separation of liquid effluents or wastewater containing pollutant particles in a suspension. A vessel defining a reactor for receiving and containing a flow...
5582715 Supercritical oxidation apparatus for treating water with side injection ports  
An apparatus for treating waste water streams is constructed by introducing a mixture of pre-heated waste water and an amount of a oxidant lower than that required to oxidize all the organic matter...
5578199 Apparatus for maintaining a stable bath for an autodeposition composition by periodically separating particular metal ions from the composition  
A system automated for providing at least periodic removal of metal ions and contaminants from a chemical bath, consists of a microprocessor programmed for controlling fluid circuits of pumps and...
5569372 Catch basin structure for interception of contaminants having detachable parts  
In order to prevent hazardous substances--oils, fuels, deicing liquids--spilled onto the ground or pavement, e.g. at an airport, to enter storm sewer system with subsequent contamination of the...
5552039 Turbulent flow cold-wall reactor  
A high pressure and high temperature reactor, especially operating under supercritical water conditions combined with corrosive atmosphere. The reactor comprises a reaction chamber and a pressure...
5547578 Method of controlling waste water purification plants using quality evaluation of measuring data  
A method of controlling a wastewater purification plant comprises the steps of measuring two or more of a number of parameters, automatically controlling the plant on the basis of the measurement...
5544072 Method for regeneration of a water softener  
A demand initiated method for regenerating a water softener which operates the softener ion exchange bed over a capacity range in which the resin is most efficiently restored by exposure to brine....
5540845 Method of and apparatus for monitoring aqueous streams  
A metallic indicator electrode senses the anionic charge per unit time borne by the dispersed phase of a stream of an aqueous dispersion of negatively charged particles by virtue of the potential...
5540836 Wastewater treatment system and method  
A wastewater treatment system and method for substantially reducing or eliminating total suspended solids (TSS), biological organic discharge or biochemical oxygen demand (BOD), and fats, oils and...
5538644 Apparatus and method for maintaining a stable bath for an autodeposition composition by periodically separating particular metal ions from the composition  
An apparatus and method is provided for automated periodic removal of metal ions and contaminants from a chemical bath comprising a latex solution containing charged latex particles and having an...
5536417 Methods and systems for prewashing automatic backwashing filters  
New methods are disclosed for improving the cleansing the plurality of seriate filter beds in automatic backwash filtering systems, equipped with a traveling backwash shoe, in which the beds are...
5534139 Apparatus for controlling solids-liquid separation  
A process and apparatus for controlling and/or regulating a solids-liquid separation process, such as in a dewatering or drying device includes at least two photodetectors, each associated with a...
5531960 Automated dissolved oxygen and biochemical oxygen demand analyzer  
An automated method and apparatus for determining the dissolved oxygen (DO) content and the biochemical oxygen demand (BOD) of multiple test samples includes a sample set containing several test...
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...
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...
5527470 Water quality monitoring and control system for an ice maker  
A method for monitoring and controlling water quality in a water phase changing device, such as an ice maker, having a water inlet, a water outlet, a reservoir configured for retaining a supply of...
5527450 Water conductivity monitor for a water purification system  
An improved water quality monitor is provided for use in a water purification system of the type having a reverse osmosis unit for producing relatively pure water from a tap water supply. The...
5518608 Water purity determining device and system for producing ultrapure water using such devices  
A TOC monitor for determining the quality of ultrapure water is described. The TOC monitor includes a ultraviolet oxidizer in the form of spiral tubing, having an inlet connected to a first...
5516423 Variable residence time treatment system  
A variable residence time treatment system for liquid has a reactor vessel with variable effective holding volume. Liquid is admitted with at least one treatment material to adjust a property of...
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...
5512178 Water treatment method and apparatus therefor  
In a water treatment method and an apparatus therefor, a high purification step comprising a precision filter and an ion-exchange resin is added to a treatment system having ozone supply units,...
5511263 Laundering liquids process and decontamination facility  
Decontamination laundering facilities and methods are disclosed including a washer area, a filtering area automatically monitoring and controlling cleaning fluid quality discharged to the...
5505843 System for controlling water treatment based on plankton monitoring  
In a water supply plant which cleans water taken in from such sources of intake water as lakes and marshes, dams, rivers and so on and delivers the water as city water, obstructions to water...
5498347 Reactor for the ozonization of water  
Reactor for the optimized ozonization of water intended for human consumption, in which the direct oxidizing action of the ozone is supplemented by the radical oxidizing action of the ozone, the...
5498346 Hydrocyclones for oil spill cleanup having a controlled split ratio  
An oil spill recovery system includes a first hydrocyclone separator and optionally a second hydrocyclone separator located on a floating vessel floating on a body of water from which spilled oil...
5498328 Apparatus for selectively sampling filter backwash fluid  
This invention relates to monitoring apparatus and, in particular, but not exclusively to such apparatus for use in association with mains water supply facilities. A water works 10 has a water main...
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...
5492632 Method and system for monitoring and controlling a filtration process  
A method and apparatus for creating a filtration knowledge base is used in a filtration process for separating a liquid component and a solid component from a slurry. The concentrations of the...
5492620 Apparatus for removing contaminants from a waste stream  
This invention includes a first balance pH tank, a clarifier tank and a final pH balance tank. The first tank periodically receives a certain volume of the waste stream. This tank is equipped with...
5484521 Rotary drum fluid/liquid separator with energy recovery means  
A rotating drum divided in axial spaced compartments with one of the compartments includes paddles and coalescing material to separate the fluid from the liquid and the other compartment includes...
5480562 Method of purifying water controlled by laser scanning  
A system and method is disclosed for purifying water for drinking or bathing purposes employing an optical scanning device for detecting organisms in the water such as bacteria, algae, or viruses....
5480555 Control system for a water softener, control device therefor and methods of making the same  
A control system for a water softener, control device therefor and methods of making the same are provided, the system comprising a microcontroller operatively interconnected to an output of a...
5480537 Apparatus for waste water treatment using calcium carbonate mineral and microorganisms in combination  
An apparatus for waste water treatment, wherein fluorine contained in waste water is treated into a fluoride through a chemical reaction and sludge containing the fluoride is thickened and...
5478529 Activity control apparatus for zinc phosphate treatment solution  
A treatment solution which is stored in a treatment vessel is supplied to a mixing vessel and a simple fluoride solution is supplied into the mixing vessel from a simple fluoride supply vessel to...
5478479 Two-stage cell wash process controlled by optical sensor  
A method of washing salvaged blood includes separating higher density blood components from lower density blood components within a rotating centrifuge bowl. The separated blood components are...
5478464 Apparatus for the biodegradation of organic contaminants in a mass of particulate solids  
A method for the biodegradation of organic contaminants in a mass of particulate solids. The method comprises providing a contaminated mass of particulate solids on an impervious surface in fluid...
5476583 Mixed liquor wasting system  
In an extended aeration wastewater treatment system having wastewater flowing into a retention basin so as to form mixed liquor within the retention basin, the treated mixed liquor flowing out of...
Matches 201 - 250 out of 812 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >