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8940146 Device for electro membrane extraction  
A device for electro membrane extraction has a syringe holder adapted to hold a syringe having an acceptor solution, and a sample vial holder adapted to hold a sample vial having a vial cap, where...
8865886 Method for recovery/reuse of N-oxyl compound  
An effluent produced in oxidation of a cellulosic material with an oxidizing agent in the presence of an N-oxyl compound and a bromide and/or iodide is deionized by electrodialysis to an inorganic...
8715477 Apparatus and process for separation and selective recomposition of ions  
A device and process are disclosed for the separate removal of oppositely charged ions from electrolyte solutions and recombining them to form new chemical compositions. The invention provides the...
8603344 Method and apparatus for removing metal from waste water  
The present invention has an object to provide a method and an apparatus for removing metals in waste water, such as thallium contained in waste water generated by rinsing waste containing...
8551312 Process to prepare amino acid-N, N-diacetic acid compounds  
The invention relates to a process for the production of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups or its salt with less than an...
8343325 Electrodialysis apparatus and electrodialysis method using the same  
An electrodialysis apparatus includes a sample chamber including first and second dialysis membranes and filled with a sample between the first dialysis membrane and the second dialysis membrane,...
8252161 Electrofiltration method  
Method for improving selectivity and productivity during purification of charged macromolecules and particles by electrofiltration by means of membranes in the electric filed. The ratio between...
7731827 Method for capturing charged molecules traveling in a flow stream  
The invention relates to a method for capturing charged molecules of interest traveling in an electrolyte flow stream through an electrically non-conductive channel, comprising at least one anode...
7695602 Systems and methods for transporting particles  
Various particle transport systems and components for use in such systems are described. The systems utilize one or more traveling wave grids to selectively transport, distribute, separate, or mix...
7217349 Method of separating multivalent ions and lactate ions from a fermentation broth  
The invention pertains to a method of separating multivalent ions and lactate ions from a fermentation broth comprising a multivalent ion lactate salt by using an electrodialysis or electrolysis...
7214300 Integrated electrokinetic devices and methods of manufacture  
Devices with electrokinetic elements are disclosed as well as their method of microfabrication for use in micro-scale analysis, mixture separation and reaction. The devices consist of solid...
6824740 Apparatus for active biological sample preparation  
Systems and methods for the electronic sample preparation of biological materials utilize the differential charge-to-mass ratio and/or the differential affinity of sample constituents to...
6638408 Method and device for separation of charged molecules by solution isoelectric focusing  
The invention provides a novel solution isoelectric focusing device and method that can reproducibly fractionate charged molecules into well-defined pools. This approach can be applied to mixtures...
6444108 Process for isolation of dicarboxylic acids and hydroxycarboxlic acids  
A first process involves the partial electrodialysis of a dialkali metal salt of an aromatic hydroxycarboxylic acid or a dicarboxylic acid to produce the approximate monoalkali metal salt and the...
6187197 Multi-stage engine coolant recycling process  
A multi-stage apparatus and a process for recycling used engine coolant employs a combination of filtration, dissolved air floatation, centrifugation (hydrocyclone separation), semi-permeable nano...
6140428 Simultaneous production of dicarboxylic acids and diamines by splitting polyamides into their monomeric constituents  
A process for the simultaneous production of dicarboxylic acids and diamines from a) polymers based on polyamides of dicarboxylic acids or their derivatives with diamines, or b) compositions...
6129828 Apparatus and methods for active biological sample preparation  
Systems and methods for the electronic sample preparation of biological materials utilize the differential charge-to-mass ratio and/or the differential affinity of sample constituents to...
5938907 Method for recovering guanidine salts  
A process for recovering guanidine salts from diluted and contaminated aqueous solutions is described, wherein the corresponding aqueous solution (diluate) is subjected to electrodialysis and the...
5928485 Process for isolation of dicarboxylic acids and hydroxycarboxylic acids  
A first process involves the partial electrodialysis of a dialkali metal salt of an aromatic hydroxycarboxylic acid or a dicarboxylic acid to produce the approximate monoalkali metal salt and the...
5776325 Ion transport apparatus and process  
The invention relates to a method and apparatus for inducing the mono-directional transport of ions across a conducting polymer membrane which separates electrolyte solutions, by creating a...
5744023 Method for separation and recovery of organogermanium compound  
An electric current is passed through a mixed solution containing a saccharide(s) and an organogermanium compound, in a compartment whose anode side is defined by an anion exchange membrane and...
5725748 Process and installation for treating cellulose waste lye  
In a process for an electrochemical treatment of cellulose waste lye, mass transport takes place through a diaphragm or membrane between a cathode chamber and an anode chamber, and optionally...
5645703 Electrodialysis-based separation process for salt recovery and recycling from waste water  
A method for recovering salt from a process stream containing organic contaminants is provided, comprising directing the waste stream to a desalting electrodialysis unit so as to create a...
5609742 Electrolytic process and apparatus for the controlled reduction of inorganic and organic species in aqueous solutions  
An electrolytic process and apparatus is disclosed for oxidizing or reducing inorganic and organic species, especially in dilute aqueous solutions. The electrolytic reactor includes an anode and...
5575901 Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysis  
A process is described for preparing organic and inorganic hydroxides or alkoxides, or ammonia or organic amines from the corresponding salts in an electrolysis cell which comprises an anolyte...
5437774 High molecular weight electrodialysis  
A charged first molecular species is separated from a second molecular species by selectively passing one of the species through a separation membrane under the influence of an electrical...
5401833 Method and apparatus for treating chrome leather waste  
An improved method and apparatus for treating chromium containing leather scrap to recover chromium compounds and to produce a protein hydrolysate. The leather scrap is fed into an upstream mixing...
5320816 Process for absorption of sulfur dioxide and nitric oxide from flue gas  
The simultaneous abatement of NO and SO2 in flue gas is provided by an absorption process and apparatus utilizing an absorbent composition comprising an aqueous solution of chelates and sulfite...
5298143 Electrophoretic processing  
An electrophoretic processor for separating proteins and other chemicals exhibiting varying electrophoretic mobilities. The preferred processor includes a rotor which turns within a stator to...
5259936 Purified ion exchange resins and process  
Purified resin particles are provided in an electrodeionization step for purifying resin particles having ion depletion compartments containing the resin particles and ion concentration...
5244550 Two liquid separating methods and apparatuses for implementing them  
The present invention is conceived to provide methods for efficiently separating two liquids different in sp. gr. which are in a mixed state and apparatuses for implementing them.The present...
5087338 Process and device for separating electrically charged macromolecular compounds by forced-flow membrane electrophoresis  
A process and apparatus for the continuous separation of electrically charged macromolecular compounds, such as proteins, by forced-flow membrane electrophoresis is provided.Said process is...
5071530 Method of manufacturing lactulose  
For the manufacture of lactulose, an alkaline aqueous solution of lactose and borax is prepared and heated at a temperature above 80° C. The lactulose is separated from the resulting conversion...
5064515 Electrofilter apparatus and process for preventing filter fouling in crossflow filtration  
An apparatus and method for continuously removing liquid from an aqueous suspension; the apparatus consists of a filter housing; an electrofilter disposed within the housing to provide a crossflow...
4959135 Polyalkylamine complexes for ligand extraction and generation  
Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier...
4952292 Process for manufacturing 2,4-hexadiyne-1,6-diol  
A method of manufacturing 2,4-hexadiyne-1,6-diol by the oxidative coupling of propargyl alcohol, in the presence of an aliphatic C4 alcohol solvent is disclosed. The 2,4-hexadiyne-1,6-diol is...
4861496 Electro-dewatering method and apparatus  
An apparatus and method of electro-dewatering sewage sludge and other high water sludges. The sludge is passed through a conveyor means that is electrically charged. The anode has metal bristles...
4861447 Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons  
A process is disclosed for reducing the level of corrosive impurities in sulfolane solution originating from a process for the extraction of aromatic hydrocarbons from petroleum, which process...
4778531 Epimerization of sugars, in particular of D-arabinose to D-ribose  
Pentoses and hexoses are epimerized by heating sugar dissolved in a solvent in the presence of a molybdenum(VI) compound, by an improved process in which, for the preparation of a sugar having cis...
4758320 Process and apparatus for separation of solid particles or macromolecules in solution by electrofiltration  
The invention relates to a process for separating electrically charged solid particles or macromolecules contained in a solution by using a semi-permeable membrane which is specific for the...
4749458 Free-flow electrophoretic separation method and apparatus therefor  
The invention discloses a free-flow electrophoretic separation method and apparatus for separating charged substances such as proteins, cells, and the like, by electrophoresis, which comprises...
4746647 Purifying protein or peptide recombinant DNA products by electroseparation  
A method of purifying a contaminated product (protein/peptide) produced by rDNA technique, from hydrophobic contaminants which are charged and originate from the microbial cloning host employed,...
4693800 Property variation of dispersion resins by electrofiltration  
The surface characteristics of dispersed particles such as vinyl resins are changed through the use of an anode electrolyte in an electrofilter. Accordingly, the properties of intermediate and...
4671860 Low energy dewatering of dispersed particle latexes by electrofiltration  
A process for the removal of water from dispersed particles such as vinyl resins uses electrofiltration to yield a high total solids content wetcake. A final dryer such as a fluid energy dryer is...
4604174 High flow electrofiltration  
An electrically augmented crossflow filter device in which a feed stream containing solid particulate matter is flowed between opposed walls while a pressure differential is imposed across a first...
4581111 Treatment of ultrafiltrate by electrodialysis  
A process for electrodialyzing ultrafiltrate and an electrodialysis cell for use in the process are disclosed. The ultrafiltrate contains ionic materials which form a deposit on at least one of...
4514272 Process and device for breaking stabilized emulsions, especially oil-water emulsions  
Process and device for breaking stabilized emulsions.Such a device is constituted by a tank divided into two compartments by a permeable membrane constituting a percolating electrode connected to...
4426323 Selected recovery of proteins from fermentation broths  
A process is described for the selective recovery and/or concentration of a protein or a class of proteins from fermentation broth employing a combination of desalting and pH adjustment thereby...
4383905 System for hydrodynamic compensation for electrophoresis crescent distortion  
Crescent distortion of output samples collected during a continuous free flow electrophoresis separation process is reduced by providing means with the electrophoresis chamber whereby lateral flow...
4202745 Method for treating a desizing waste stream  
A dispersed synthetic polymeric organic size is efficiently recovered as a material of low salt content from an aqueous desizing waste stream by combining the stream with a solution of an inoganic...

Matches 1 - 50 out of 74 1 2 >