Matches 151 - 200 out of 434 < 1 2 3 4 5 6 7 8 9 >
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6004465 System and process for iodine recovery  
Disclosed is a method and apparatus for recovering iodine from an aqueous suspension. Particulate iodine is formed on a filter septum and forms a cake of solid iodine. The cake is removed by...
6001244 Performance water purification system  
The invention relates to a new water purification system design that uses reverse osmosis membrane filtration and optional ultra violet light treatment. The new system creates the potential for...
5997745 Method for producing high purity water using triple pass reverse osmosis (TPRO)  
A method for producing high purity product water using a three pass reverse osmosis system.
5997738 Reverse osmosis water fountain machine with water saving device  
A water saving device for a reverse osmosis water fountain machine is provided in which an aspirating pipe with a solenoid valve is coupled to an intake pipe line at the front end of the reverse...
5958244 Cross-flow filtering process for separating fluid from a free-flowing medium and installation for implementing it  
For thickening a retentate by means of membrane filtration (ultra-/micro-filtration) to obtain the highest possible wet sludge proportion, a gaseous medium is admixed with the retentate. To this...
5948254 Cleaning system and method for cleaning and purifying reverse osmosis systems  
A water purification system and a cleaning system and method for periodically flushing reverse osmosis water purification systems to rid the system of decontamination and other pollutants that...
5948247 Disinfection arrangement for dialysis machines  
Apparatus for disinfecting dialysis devices are disclosed including a first circulation conduit for circulating a first fluid through at least a portion of the supply conduit to a dialyzer in order...
5947689 Automated, quantitative, system for filtration of liquids having a pump controller  
A system is provided for proceeding with automated filtration of liquids in a manner which allows for quantitative collection of desired filtrates or permeates. The system, as well as its...
5942107 Apparatus for the treatment of hazardous waste water  
There is disclosed a portable assembly for treating hazardous waste water having a plurality of paired filter units having filter mediums and operated at high filter rates to minimize solids build...
5942336 Methods for recycling flush water and waste solids in a wood panel fabrication process  
A method for recycling contaminated flush water from a wet electrostatic precipitator emission control system in a wood panel fabrication process. The recycled flush water containing solid...
5932091 Oily waste water treatment system  
The effluent outflow from a shipboard oil/water separator is further reduced in oil content by passage through ultrafiltration membranes arranged in series as an added downstream treatment prior to...
5928503 Drinking water purification machine having upstream reservoir, reverse osmosis filter and purified water storage tank  
The present invention relates to a desktop drinking water machine and includes a reverse osmosis mechanism consisting of a reverse osmosis filter and a pair of active carbon filters. The reverse...
5925240 Water treatment system having dosing control  
A water treatment system having dosing control for providing treated water having very low organic and ionic contamination, that can be accurately dispensed. The water treatment system having...
5919369 Hemofiltration and plasmafiltration devices and methods  
Disclosed are preferred devices and methods which provide extracorporeal treatment of blood or other fluids for effective plasmafiltration or hemofiltration alone or in combination with dialysis....
5919376 Filtration apparatus and method  
An improved filtration system comprises a vessel divided into a concentrate chamber and a permeate chamber by a permeable septum. An ultrasonic wave generator is mounted to the vessel and...
5916437 Domestic sewage cleaning system  
The present invention provides treatment of domestic sewage containing oil. The resulting products will be purified water, dry fertilizer, and fuel (gas and liquid) containing no contaminants that...
5910249 Method and apparatus for recovering water from a sewer main  
A process and apparaus for recovery water from raw sewage extracted directly from the sewer including a screen(2) operable to obtain from raw sewage a screened effluent having a maximum particle...
5906738 Apparatus and method for removing impurities from aqueous hydrogen peroxide  
Impurities are removed from aqueous hydrogen peroxide by treating the aqueous hydrogen peroxide by reverse osmosis, cation-exchanging the aqueous hydrogen peroxide and anion-exchanging the aqueous...
5879558 Water conserving reverse osmosis unit and method of operating it  
A reverse osmosis water purification system in which the concentrate water which is normally produced by the process is not disposed of by routing it to a drain line or otherwise, but is redirected...
5876611 Intraoperative blood salvaging system and method  
An apparatus is disclosed for salvaging a patient's own blood during intraoperative surgical procedures and reinfusing the blood, washed and filtered, to the patient substantially continuously,...
5868937 Process and system for recycling and reusing gray water  
A process and system recycles and reuses gray water generated by dishwashers, showers, carwashes, and clothes washers while maintaining the same cleaning performance as current systems....
5868934 Method and apparatus for organic wastewater treatment capable of preventing decrease in permeation efficiency of submerged membrane without dilution  
A method and apparatus for wastewater treatment is provided which can prevent any decrease in permeation efficiency of a submerged membrane without involving an increase in operating cost and...
5868924 Water purifier  
A water purifier which produces ultrapure water from a variety of feed sources. The feed source water may be potable tap, distilled, deionized, or water treated by reverse osmosis. The water is...
5855782 Arrangement for removing substances from liquids, in particular blood  
The present invention is directed to an arrangement for the elimination of substances by means of a membrane filter wherein the use is foreseen both in the blood cleaning procedures as well as in...
5855787 Process for producing a fresh wiping solution and for treating a used solution and apparatus for carrying out the process  
A process for producing a fresh wiping solution, comprising at least 90% of water and additives, and for treating said solution once used by the inks of one or more intaglio printing machines,...
5851985 Treatment of tumors by arginine deprivation  
Method, compositions and apparatus for the treatment of tumors by systemic deprivation of an essential amino acid, preferably of arginine, by extracorporeal treatment of the patient's blood...
5849179 Automatic apparatus for obtaining equilibration samples of dialysate  
An improved on-line, real time hemodialysis monitoring system for hemodialysis treatment, quantitates the rate and amount of a constituent, such as urea, removed during the hemodialysis treating by...
5824213 Separable hemodialysis system  
A hemodialysis system comprises the following: a dialysate handling unit for providing dialysate to the patient. This unit comprises a hemodialysis solution pump and apparatus for monitoring...
5800713 Method and apparatus for inspissating solid-liquid mixtures by membrane technology  
To thicken remaining residues in ultrafiltration or microfiltration for clarifying fruit juices, systems having membrane module groups (1, 2, 3) connected in series are used in the cross flow...
5788835 Water purifier having degassor and membrane distillation elements  
A water purifier which works in accordance with the membrane distillation principle includes a degassor for degassing incoming crude water prior to commencing the membrane distillation precess; a...
5785504 Pump with separate pumping stages for pumping a plurality of liquids  
The pump comprises three distinct series of pumping stages driven on a single shaft by the same motor. Between the first and second series of pumping stages, the liquid is diverted from the pump...
5782792 Method for treatment of rheumatoid arthritis  
Rheumatoid arthritis is treated by the extra corporeal removal of IgG and IgG-containing circulating immune complexes from the patient's blood. Removal is preferably accomplished by exposing the...
5783072 Lightweight noncompliant dialysate solution tank for batch dialysate preparation systems  
A dialysis machine is described which has a batch dialysate preparation system comprising a lightweight, substantially noncompliant dialysate tank and volumetrically closed dialysate circuit. The...
5779905 Process for the depyrogenation of injectable pharmaceutical solutions  
The present invention relates to a process for the preparation of injectable solutions of pharmaceutical products and/or of diagnostic agents, characterized by an extremely high degree of purity as...
5776345 Automatic priming technique  
Blood from a patient is treated extracorporeally by any selected one of a plurality of predetermined treatments. Each of the treatments involves the flow of blood from the patient into a primary...
5733457 Technique for disinfecting extracorporeal fluid treatment systems  
An extracorporeal fluid treatment apparatus which is selectively operable in a disinfecting mode or a treatment mode includes an inlet line, a pre-treatment portion, an input pump, a heater, an...
5733442 Microdialysis/Microelectrodialysis system  
A microdialysis system for the dialysis of small sample volumes of protein, nucleic acid, peptide, and other biomolecules has been developed. The device may contain a built-in magnet to permit...
5728295 Apparatus for removing metal ions and/or complexes containing metal ions from a solution  
Metal ions and/or complexes of metal ions are removed from a solution by formation of an insoluble chelated complex of the metal ions and a polymeric precipitating agent. A two-step process of...
5725758 Filtration system and assembly  
A filtration system and assembly for liquid mixture applications is disclosed. The system comprise of a pump, filter, venturi, and by-pass that incorporates a flow control valve. The flow control...
5720874 Ultrafiltration assembly having centrifugal pump and eductor  
A portable ultrafiltration device for treating a mixed liquids stream is disclosed having a centrifugal pump, membrane filter cartridges, an eductor including a primary inlet, a suction inlet and...
5702604 Apparatus and method for waste water treatment utilizing granular sludge  
A wastewater treating apparatus has first, second and third bioreactors. Each bioreactor has, in an upper position, a reaction/sprinkling portion for exhaust gas treatment. The first bioreactor...
5702597 Device for preparing a treatment liquid by filtration  
A device for treatment of blood by extracorporeal circulation comprises a dialysis liquid circuit having a supply tube (9a, 9b) on which is arranged a filter (21) having a first chamber and a...
5693229 Process and apparatus for thickening of solid liquid mixtures by means of membrane  
To thicken retentate residues using ultra- or microfiltration to clarify fruit juices, apparatuses which have membrane modules (1, 2) are used in the cross-flow process with a retentate circuit. It...
5690830 Waste water treatment apparatus and washing method thereof  
A waste water treatment apparatus which can discharge cleaned waste water while separating and recovering insoluble granular components such as emulsions contained in various kinds of waste waters...
5685988 Dialysis process and system  
Disclosed is a method and apparatus for the quantification of solute removal during hemodialysis. The method relies upon discontinuing the flow of fresh dialysate to the dialyzer and recirculating...
5685990 System and a process for membrane filtration of a dispersion  
A dispersion having an aqueous phase is filtered by a purality of membranes connected to pass the retentate or a portion of the retentate from one membrane step is used for feeding the one or more...
5676832 Multi-stage membrane system and process  
The invention provides a multistage membrane system for the recovery of solvents and solutes from chromatographic systems, including first means for directing a first fluid stream of a main eluting...
5662793 Valve assembly of a reverse osmosis water purification system  
A valve assembly for a reverse osmosis water purifier system that contains all of the control and check valves required for the system. The valve assembly is operative to provide squeeze water...
5658456 Batch dialysate chemical vessel with machine-readable indicator  
A vessel storing a batch of chemicals for delivery into a dialysate preparation tank includes a machine readable indicator, permitting automatic identification of the contents of the vessel prior...
5656153 Water-removal control system with timer display for dialysis device  
A water-removal control system for dialysis device includes a volume-setting device for setting a planned volume of water to be removed; a rate-setting device for setting a water-removing rate; and...
Matches 151 - 200 out of 434 < 1 2 3 4 5 6 7 8 9 >