Matches 101 - 150 out of 235 < 1 2 3 4 5 >
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5547579 Process and apparatus for purification of contaminated acids  
Acids contaminated with multi-valent metal salts are purified by a process which involves treatment in an acid sorption unit (ASU) and a nanofiltration unit (NFU). The feed solution can first be...
5525235 Method for separating a petroleum containing emulsion  
The invention relates to a method of separating a multiple phase liquid medium comprising a first liquid phase and a second liquid phase wherein the medium is contacted with a first filter, said...
5512179 Membrane process for separation of fluid mixtures  
A process for the separation of liquid component mixtures by combined pervaporation-vapor permeation with a feed flow in the form of a vapor-liquid mixture being employed and the feed flow being...
5503750 Membrane-based process for the recovery of lactic acid by fermentation of carbohydrate substrates containing sugars  
A substantially continuous membrane separation process has been discovered in which the known benefits of a cell-recycle fermentor are unexpectedly enhanced because pH is controlled from 4.0 to 5.5...
5501741 Process for purifying aqueous rinse solutions used in metal forming operations  
This is a procedure for purifying rinse solutions used in operations for the shaping of metal. In particular, it is a procedure for removing fatty acids from caustic wash solutions used to rinse...
5501798 Microfiltration enhanced reverse osmosis for water treatment  
Disclosed is an improved method for extending the useful life of a reverse osmosis membrane having a high pressure side and a low pressure side, the membrane used for separating soluble and...
5498338 Peritoneal dialysis system using reverse osmosis purification device  
Medical drug formulation and delivery system includes 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...
5492625 Method of recovering carboxylic acids from dilute solutions  
A method for recovering carboxylic acids from a dilute aqueous solution thereof having a concentration below about ten percent (10%) by weight, which includes passing the dilute acid solution...
5490937 Tangential flow filtration process and apparatus  
Processes and apparati are provided for separating species of interest from a mixture containing them which comprises subjecting the mixture to tangential-flow filtration, wherein the filtration...
5490939 Process for reconcentrating overspray from one-component coating compositions  
The present invention relates to a multi-stage membrane filtration process for reconcentrating the overspray from a one-component, aqueous coating composition containing high molecular weight...
5484531 Process for the removal of inorganic salts  
The intention is a process for removing inorganic salts from aqueous mixtures of organic compositions capable of forming micelles. The aqueous mixture is subjected to ultrafiltration to remove the...
5456842 Method for recycling cleaning fluid  
A method and apparatus for recycling water based workpart cleaning fluid of the type used to wash workparts (B) free of soils, such as emulsified and non-emulsified cutting oils and lubricants,...
5454952 Method and apparatus for fractionation of sugar containing solution  
A method of removing ash from sugar containing solutions comprises contacting the sugar containing solution against one side of an ultrafiltration membrane with a stripping fluid to strip away...
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...
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...
5401414 Process for recovering a fluid dissolved in a rinsing bath  
A process isolates, in a closed circulation, the soluble fluid carried over into a rinsing bath from said rinsing bath and to return the fluid into the upstream bath. To this end, enrichment by...
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...
5338457 Removal of aluminum and sulfate ions from aqueous solutions  
A process for removing aluminum and sulfate values from an aqueous solution containing the same which comprises passing the solution through a semi-permeable membrane in a pressure vessel. The...
5334315 Priming system  
Processes and systems and methods for priming a fluid processing apparatus and for treating a fluid are disclosed.
5306427 Low pressure feed membrane separation process  
A process is set forth for the separation of one or more, more permeable components from one or more, less permeable components in a feed stream. The process suggests two membrane separation stages...
5284589 Process for the treatment of effluent  
The process for the working-up of effluents and disposal of the loads, present therein, by a combination of concentration by membrane filtration, evaporation and gas phase oxidation, is...
5282969 High pressure feed membrane separation process  
A process is set forth for the separation of one or more, more permeable components from one or more, less permeable components in a feed stream. The process suggests three membrane separation...
5282970 Method for environmentally benign paint spraying with an air-drying lacquer dissolved, emulgated or dispersed in water  
In the process of spraying in a cubicle having a water-rinsed rear wall the cubicle waste water is separated by ultrafiltration into permeate and lacquer-containing residue. The permeate is...
5282967 Method for feeding germ-free pure water  
A method of feeding pure water under germ-free conditions is provided by purifying raw water into primary water by successive passage through a defined series of purification units, temporarily...
5279972 Process for analyzing samples for ion analysis  
A sample preparation process and apparatus are provided for samples to be analyzed subsequently, such as by liquid chromatography. The sample is passed in contact with an ion exchange polymer which...
5268104 Process for treating and regenerating spent caustic  
The present invention relates to a process for treating and regenerating a spent caustic solution at ambient temperatures which includes oxidizing the spent caustic stream with an air/ozone gas...
5266202 Reverse osmosis treatment process  
This invention relates to a reverse osmosis treatment process, particularly a stable reverse osmosis treatment process which prevents a lowering in throughput capacity by carrying out treatment...
5260028 Method and apparatus for effecting solid phase extraction  
A method and apparatus for practicing solid phase extraction of samples for analysis where the method comprises the steps of providing a cassette having a plurality of tubes, each containing an...
5250182 Membrane-based process for the recovery of lactic acid and glycerol from a "corn thin stillage" stream  
"Thin stillage", discharged from a centrifuge in which relatively large >10 μm insoluble solids in an ethanol stillbottoms stream are separated from "whole stillage", is separated in a...
5244577 Process for preparing osteogenesis promoting substance  
A process for preparing an osteogenesis promoting substance, which comprises extracting a demineralized bone powder with a solution of chaotorpic reagent, subjecting the extracted solution to...
5221483 Process and apparatus for removal of DNA, viruses and endotoxins  
A single filtration device containing coated filter membranes and absolute pore filters is provided in which the membranes and absolute pore filters are present in two sections of the filter...
5203969 Method of separating and recovering components of mixtures via pervaporization  
A method of separating and recovering components of a mixture having a gap in the range of miscibility and having organic compounds and water in a pervaporization process with the aid of membranes....
5194157 Blood purifying equipment particularly for the treatment of patients suffering from renal insufficiency, and a method of producing a reinfusion liquid for haemodiafiltration (HDF)  
Blood to be purified is passed through a haemofiltration element and a haemodialysis element in cascade and the ultrafiltrate output from the haemofiltration element is passed through a filter such...
5178763 Method and apparatus for preparing a substitution liquid  
The invention is directed to an apparatus and method for transforming a sterile pyrogen-free liquid into a substitution liquid using an exchanger. The method includes the steps of flowing first and...
5164092 2-stage ultrafiltration process for photographic emulsions  
Photographic emulsions, particularly those produced by a silver halide reaction, are concentrated and, optionally, washed in a 2-stage ultrafiltration system. The system includes a spiral wound...
5160436 Asymmetric sandwich membrane system having reduced ascorbate interference  
Disclosed is a diagnostic test device which comprises a fluid permeable structural support member having on one side thereof a layer of a macroporous membrane comprising polyethyleneimine...
5158681 Dual membrane process for removing organic compounds from the water  
An apparatus and process for treating water contaminated with hydrocarbons utilizes a dual membrane apparatus wherein contaminated water is first treated by a cellulose based membrane to produce a...
5154830 Process of removing phosphorus and suspended matter from waste water  
Phosphates which are dissolved or contained in suspension are substantially completely removed from a low-solids waste water which has been clarified. Precipitating and flocculating agents for...
5149433 Method and apparatus for supply of decontaminated fuel to diesel engine  
Apparatus for the supply of decontaminated fuel to a diesel engine including two filtering stages, the first being a spiral wound, cross flow ultrafiltration unit and the second being a spiral...
5139678 Purification device  
A liquid filtering and purifying device and method for filtering and purifying used engine coolant in order to produce a concentrated portion for disposal and a purified portion intended to be...
5126054 Venting means  
Venting means for venting gas from the transfer line of a liquid delivery system comprising a housing, a first, liquid-wettable, microporous membrane carried in said housing so as to be in...
5124041 Biomolecule sample immobilization  
A filter system for separating and binding biomolecules contained in a solution includes a first filter means for selectively passing components of the solution that are smaller than the...
5110472 Process for treatment of fruits and vegetables, especially for juice extraction, and unit for carrying out the process  
For extraction of juice from fruits and vegetables a process is used in which first the raw material is crushed in a crushing device (1) and separated in a screening device (2) from the solid...
5098566 Osmotic distillation process and semipermeable barriers therefor  
Disclosed is a semipermeable barrier for osmotic distillation, having a semipermeable matrix of an externally hydrophobic, high thermal conductibility material having a thickness of less than 50...
5076932 Removal of trace contamination from water  
A process for removing trace amounts of water soluble organic and inorganic substances dissolved in a water supply from the water supply includes the steps of flowing water from the water supply...
5057226 Treatment of liquid including blood components  
A method of removing a constituent of a biological fluid including a blood component, said method including flowing the biological fluid past one side of a first semipermeable membrane, flowing...
5030356 Process for recovering organic components from liquid streams  
A separation process for recovering organic components from liquid streams. The process is a combination of pervaporation and decantation. In cases where the liquid stream contains the organic to...
5017291 Process for recycling and reconstituting flexographic inks  
A process for recycling and reconstituting flexographic inks from wash water resulting from cleaning the rollers and other components of a flexographic printing press. The process includes the...
5015388 Integrated device for the biospecific purification of a liquid containing cellular elements  
A device for biospecifically purifying a liquid having a first portion containing cellular elements and a second portion without cellular elements, the device comprising a casing, a duct for...
5009789 Method and plant for separation of synthetic water soluble polymers  
Aqueous solutions of water soluble synthetic resins, such as urea-formaldehyde resins, are charged to an ultrafiltration membrane unit (2) for separation into a concentrate (C) solution and a...
Matches 101 - 150 out of 235 < 1 2 3 4 5 >