|
Match
|
Document |
Document Title |
|
|
5098575 |
Method and apparatus for processing liquid solutions of suspensions particularly useful in the desalination of saline water
A method and apparatus for reducing the concentration of a first substance in a first liquid by: (a) subjecting the first liquid to natural osmosis, via a first semipermeable body, with respect to...
|
|
|
5096589 |
Hydrogen sulfide removal from reverse osmosis product water
A method and system for treating water containing hydrogen sulfide. The system includes the demineralizing the water to remove mineral impurities. The demineralized water is then treated with...
|
|
|
5091093 |
Process for purifying acrylonitrile effluent
The effluent arising in the production of acrylonitrile can be purified by adjusting it to a pH value from 4 to 9 and then subjecting it to reverse osmosis at a membrane at a temperature from 10°...
|
|
|
5089139 |
Method for refining virgin olive oil by membrane filtration
The invention relates to a method for refining virgin olive oil, in which the virgin olive oil is filtrated, characterized in that the virgin olive oil is micro-filtrated.
|
|
|
5084183 |
Fractionation of light/heavy waxes by use of porous membranes
Mixtures of light and heavy waxes are fractionated by permeation through a porous membrane at temperatures just above the cloud point of the mixture with the heavier, higher melting point waxes...
|
|
|
5080797 |
Method of disposing of fecal matter from toilet systems in fast moving vehicles
A method and apparatus for disposing of fecal matter from a toilet system in a fast moving vehicle during travel of the vehicle. The liquid components of the fecal matter are dehydrated to recover...
|
|
|
5069795 |
Process for separating hydrocarbons from waste water
A process for separating hydrocarbons from waste water, in particular aromatic hydrocarbons, by means of an absorbing filtering layer. The hydrocarbons dissolved and non-dissolved in the waste...
|
|
|
5057197 |
Process and apparatus for the removal of undesired components from aqueous feedstocks
An efficient process and system for the removal of at least one organic acid from aqueous feed streams.
|
|
|
5045207 |
Multi-concentration disposable liquid concentrating device
A device for concentrating solute-containing solutions, e.g. macromolecular sample solutions, by filtration through a semipermeable membrane, which device enables the user to obtain various...
|
|
|
5041227 |
Selective aqueous extraction of organics coupled with trapping by membrane separation
An improvement to processes for the selective extractation of organic solutes from organic solvents by water-based extractants is disclosed, the improvement comprising coupling various membrane...
|
|
|
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...
|
|
|
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...
|
|
|
5006257 |
Extracts of thermal waters and their applications
A process of regenerating polluted thermal swimming pool waters is disclosed. The process includes making a condensate of pure thermal water by concentration of the thermal plankton by means of...
|
|
|
4990350 |
Process for preparing reduced alcoholic spirits and the product produced therefrom
The invention comtemplates a process for the removal of a portion of the alcohol from a distilled spirit without destroying the organoleptic properties of the spirit. The process comprises passing...
|
|
|
4988445 |
Spiral wound filtration system and method of utilizing same
A filtration system and method constitute the subject matter of the present invention. The system comprises first and second filtration stages which are joined in series with each stage comprising...
|
|
|
4986918 |
Membrane separation system and method of operation
An improved separation system and its method of operation for the separation of solutes, colloidal particles, or suspended matter from solutions of suspensions containing the same is disclosed. In...
|
|
|
4983301 |
Method and apparatus for treating fluids containing foreign materials by membrane filter equipment
A raw fluid containing foreign materials is led to the inlet of a membrane filter equipment (10) which provides on the one hand a concentrate containing more foreign materials than that of the raw...
|
|
|
4978454 |
Membrane assisted settling process
A method for separating mixtures into a first fraction and a second fraction employing a combination of settling, ultrafiltration and permeate/retentate recycle to the settling zone is disclosed. A...
|
|
|
4978550 |
Reverse osmosis water purification system for producing carbonated water
A reverse osmosis water purification system produces product water in response to pressurized feed water from a water supply line. The unit also produces waste or drain water. The purified product...
|
|
|
4973408 |
Reverse osmosis with free rotor booster pump
Apparatus and process for reverse osmosis or other pressure-driven membrane fluid separations, with a free rotor booster pump to increase the pressure of a feed fluid from an initial feed pressure...
|
|
|
4968429 |
Anti-clogging method for maximal flux and prolonged filtration time
A method for filtering a suspension including particulates and increasing the concentration of retainable matter wherein the suspension is drawn through the filter in a manner such that a portion...
|
|
|
4963381 |
Method for partial or total dealcoholization of wine and/or cider and device for implementing such method
A method to dealcoholize partially or totally wine and/or cider and apparatus to implement this method. The invention aims to permit a partial or total dealcoholization of wine and/or of cider...
|
|
|
4960518 |
Treatment of composite polyamide membranes with compatible oxidants
A reverse osmosis membrane having improved rejection of sulfuric acid and/or isopropanol is described. The membrane is prepared by treating a crosslinked, polyamide discriminating layer with a...
|
|
|
4960517 |
Treatment of composite polyamide membranes via substitution with amine reactive reagents
A reverse osmosis membrane having improved rejection of sulfuric acid and/or isopropanol is described. The membrane is prepared by treating a crosslinked, polyamide discriminating layer with an...
|
|
|
4959237 |
Reverse osmosis concentration of juice products with improved flavor
A membrane process for producing an improved product quality comprising feeding a clarified serum at an elevated pressure to a plurality of reverse osmosis units in two stages--the first having...
|
|
|
4944882 |
Hybrid membrane separation systems
Hybrid membrane-based separation systems are disclosed that are useful in separating solvents and solutes. The hybrid systems combine any of the solvent removal processes reverse osmosis,...
|
|
|
4908133 |
Process for working up aqueous electrolyte-containing suspensions of highly swellable layer silicates
A process for working up aqueous, electrolyte-containing suspensions of highly swellable layer silicates by which highly swellable layer silicates are isolated substantially free from electrolyte...
|
|
|
4888189 |
Simultaneous double reverse osmosis process for production of low and non-alcoholic beverages
Simultaneous double reverse osmosis process for production of low and non-alcoholic beverages, particularly wines, from any traditionally fermented table wine feedstock. A portion of the feed wine...
|
|
|
4885095 |
System for separating solutions
A system for separating an initial solution utilizing a single "reverse osmosis unit" operable to produce a concentrate and permeate output and means for reintroducing the concentrate output to the...
|
|
|
4882061 |
Filter apparatus
A filter apparatus for a home reverse osmosis water system is provided. The apparatus has a head, which has a forward flow inlet port for connection to a reverse osmosis water unit, and which has a...
|
|
|
4880511 |
Process and apparatus for recovery of precious metal compound
A process and an apparatus for recovering a precious metal compound, in which the precious metal compound is separated from impurity metals by use of a reverse osmotic membrane, and the separated...
|
|
|
4874523 |
Method for reducing the cloud point of materials using an ultrafiltration separation process
A method is disclosed for reducing the cloud point of materials comprising the steps of chilling the waxy oil so as to achieve submicron crystallization followed by ultrafiltration thereby...
|
|
|
4855058 |
High recovery spiral wound membrane element
This invention is a spiral wound membrane filtration element for reverse osmosis, ultrafiltration, microfiltration and filtration of gas mixtures and having a novel radial feed-concentrate flow...
|
|
|
4850498 |
Fluid decontamination system
An apparatus and process for removing corrossive contaminants from a halogenated hydrocarbon or a hydrocarbon hydraulic fluid including the steps of mixing water with a halogenated hydrocarbon or a...
|
|
|
4832850 |
Method and device for mass transport and separation through selective barriers
The present invention relates to a new technique and device for mass transport operation and physical separation, being substantially quantitative and involving selective barriers. According to the...
|
|
|
4814086 |
Method and apparatus for fluid treatment by reverse osmosis
Either of the two relatively large capacity tanks can be connected in a high pressure loop or system including a reverse osmosis membrane vessel and a circulating pump. When the pressure is high...
|
|
|
4812237 |
Water recycle system
A closed water purification and recycle system processes domestic wastewater to produce potable water for cooking, drinking and dishwashing and water suitable for general household use, such as...
|
|
|
4808287 |
Water purification process
Potable water from a municipal water supply is treated to remove suspended solids, organic and inorganic dissolved solids, dissolved carbon dioxide gas and metal contaminants so as to produce...
|
|
|
4804475 |
Metallized membrane systems
Polymer membranes metallized by wet chemistry are highly suitable, for example, for the separation of inert, reactive and fermentation gases. The metallization is carried out after activation with...
|
|
|
4800022 |
Platelet collection system
A system is provided for collecting platelets. Whole blood is removed from a patient 10 and directed to a hemoconcentrator 22 having a blood inlet 24, a blood outlet 26, a blood passage...
|
|
|
4800023 |
Method of aseptic treatment of water and a storage container to be used at such treatment
A method of aseptic treatment of water which is produced continuously or discontinuously in an amount less than any momentary and maximum output of water. Produced water is supplied to a storage...
|
|
|
4792401 |
Spiral wound membrane module and method of manufacture and use
A spirally wound, high flux membrane module which comprises a feed inlet, a concentration outlet and two permeate outlets and one or more membrane leaves wrapped about a central permeate flow tube...
|
|
|
4792402 |
Concentration of alcoholic beverages
A method for concentrating alcoholic beverages which comprises subjecting the beverage to reverse osmosis to form a beverage concentrate, said reverse osmosis using a membrane which allows passage...
|
|
|
4787980 |
Ultra pure water system monitoring
This invention is directed to a hydraulic multiplex unit for receiving continuously one or more samples of liquid from a liquid purification system of distribution system and redirecting such...
|
|
|
4780212 |
Ultrasound enchancement of membrane permeability
A method for enhancing or controlling permeability of large molecular weight molecules in a membrane system wherein molecules in solution are contacted with membranes and the system is exposed to...
|
|
|
4775477 |
Cranberry color extraction
A process for the extraction of cranberry presscake is disclosed which involves the steps of grinding the presscake, preferably with a filter aid like rice hulls, subjecting this mixture to water...
|
|
|
4775480 |
Membrane processes for treatment of and recovery of components from kraft black liquors
A process for the treatment of an aqueous stream containing an acid or base and typically a precipitatable material such as a metal ion comprises: (a) subjecting the aqueous stream to (i) a...
|
|
|
4761295 |
Technique for using reverse osmosis unit
A post-mix soft drink dispenser includes, in the feed water supply, a reverse osmosis unit for treating the inlet water and a carbonator for adding carbon dioxide to the treated water. The use of...
|
|
|
4759849 |
Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis
The feed water for a reverse osmosis device (7) is treated, by means of ozone, by being passed through a mixing vessel (4), in which the charging with ozone is carried out, a direct contact time...
|
|
|
4756835 |
Permeable membranes having high flux-density and low fouling-propensity
A permeable membrane system comprised of at least two sheets, at least one of the two sheets being a grooved permeable membrane having regularly spaced grooves on at least one surface, the grooves...
|