Matches 101 - 150 out of 205 < 1 2 3 4 5 >
Match Document Document Title
5468536 Sorbent articles  
A microfibrous sorbent article is provided. The microfibrous sorbent article comprises an elongate boom having a substantially oval cross-section. The boom is formed of multiple adjacent...
5464598 Method for removing a contaminant from a fluid using a chemically impregnated and coated zeolite  
A process for impregnating zeolite with a quaternary ammonium cation (QAC) and then coating the impregnated zeolite with permanganate (such as potassium permanganate), and for impregnating zeolite...
5447870 Use of chromatographic supports having immobilized flocculating agent in separating microparticles  
Disclosed is a primary chromatographic support containing an immobilized flocculating agent for use as a separation media for a secondary support consisting of microparticles used in affinity...
5434244 Process for isolating macrocyclic polyester oligomers  
Process for isolating macrocyclic polyester oligomers from impurities comprising the step of subjecting solutions of macrocyclic polyester oligomers to protonated molecular sieves.
5422284 Method of performing affinity separation using immobilized flocculating agent on chromatographic support  
Disclosed is a primary chromatographic support containing an immobilized flocculating agent for use as a separation media for a secondary support consisting of microparticles used in affinity...
5416198 Selective sorbent removal system using polycation activated substrates  
A polycationic system for the removal of polyanions from a fluid medium is formed by, first, activating a biocompatible hydroxylated support with an organic sulfonyl chloride, such as...
5409613 Recycling and recovery of aqueous cleaner solutions and treatment of associated rinse water  
A process and apparatus are disclosed for separating an aqueous cleaner solution from contaminants that accumulate as the cleaner is used in washing manufactured objects, such as machine parts or...
5397475 Purification of hydrogen peroxide  
Purification of aqueous hydrogen peroxide solutions using conventional ion-exchange techniques can result in the hydrogen peroxide decomposing explosively. Much safer processes are obtained by...
5378802 Method for removing impurities from resist components and novolak resins  
A method of removing ionic impurities from a resist component, comprising the steps of: (a) dissolving said resist component in a solvent; (b) contacting said resist component solution with a...
5336413 Process and apparatus for the purification of water  
Process and apparatus for the purification of water, oxygen/ozone-gas mixture is introduced under high pressure in the water to be purified, and the thus obtained oxygen/ozone-gas mixture enriched...
5308495 Chromatography processes using doped sol gel glasses as chromatographic media  
Chromatography processes employ doped sol gel glasses as chromatographic media. In one embodiment, a process for qualitative or quantitative determination of a reactive chemical contained in a...
5308876 Materials for removing suspended impurities and use thereof  
The improved organic polymeric adsorbent is used to adsorb and remove suspended impurities present in trace amounts in the water being treated in an apparatus for producing ultrapure water for use...
5304638 Protein separation medium  
A separation medium for use in protein separation comprising a water-insoluble matrix carrying a plurality of polyamine groupings, the polyamine groupings having at least three basic nitrogen...
5259972 Apparatus and method for purifying water  
In an apparatus and method for purifying water, an oxidation forcibly turns colloidal substances into fine particles of oxides, thus increasing the size of the particles. The effluent of oxidation...
5250187 Resin bed for liquid treatment  
A method of treating fluid in a bed of ion exchange resin wherein in one embodiment the resin is of a high kinetic type and water is introduced upwardly through the bed to effect a complete...
5232953 Method and apparatus for waste brine management in water conditioners  
A water softening device is provided with a waste storage tank for receiving waste liquid, such as hard water used to draw out brine from a brine storage tank, as well as the used brine itself...
5230803 Ground- and wastewater purification  
There is disclosed a process for purifying ground- and wastewaters, which comprises subjecting said waters to a membrane separation process between a biological treatment step and adsorption on...
5230805 Magnetically stabilized fluidized particles in liquid media  
A method for the preparation of an ion exchange sorbent containing at least one anion exchange resin, a ferromagnetic substance, and a water permeable organic polymer binder, as well as a process...
5204003 Separation processes using expulsion from dilute supercritical solutions  
A process for separating isotopes as well as other mixtures by utilizing the behavior of dilute repulsive or weakly attractive elements of the mixtures as the critical point of the solvent is...
5182023 Process for removing arsenic from water  
A process for treating arsenic-containing aqueous waste is described wherein the aqueous waste, treated if necessary to minimize the presence of materials which reduce the efficiency of reverse...
5157055 Cation exchange polyimide resin and use thereof  
A cation exchange polyimide resin having resistance to organic solvents which contains polyamidocarboxylic acid units providing sites of ion exchange and represented by the formula (I): ##STR1##...
5104544 Refining of a rare earth including a process for separation by a reverse osmosis membrane  
The invention is concerned with a process of separation and refining of rare earths in which a dilute solution of rare earths, resulting from the step of separating and refining the rare earths by...
5102986 Method for carrying out organic chemical reactions and appartaus for carrying out that method  
In carrying out an organic chemical reaction, such as the synthesis of a polypetide, it is known to attach a substance to particles of pervious support material and to immerse the particles in a...
5084184 Positive focusing in a magnetically stabilized fluidized bed  
A process of positive focusing of a component of a feedstream in a magnetically stabilized fluidized bed which comprises: (a) providing in a column a bed of magnetizable adsorbent solids for which...
5080799 Hg removal from wastewater by regenerative adsorption  
In a method for removing mercury from a wastestream to produce an environmentally acceptable discharge, the wastestream is contacted with an effective amount of an adsorbent composition which...
5066371 Removal of contaminants and recovery of metals from waste solutions  
A method for removal of at least one contaminant from a liquid is described, wherein a first step in liquid is introduced into a first of a plurality of liquid treatment containers and brought into...
5034132 Method for extraction  
There is disclosed a method for extraction of impurities from a powdery or particulate solid material charged into a extractor. According to the disclosure, not only can the extraction of...
5021163 Catalytic destruction of sulfur-oxygen anions  
Anions containing sulfur and oxygen, e.g. thiosulfate, can be catalytically reduced using a protonated anion ion exchange resin as a catalyst. The process is preferably conducted in an aqueous...
5013446 Chromatographic gel contactor and process  
A gel contactor receives a fluid media produced in a bio-reactor and containing a product to be extracted, cells and other particles. The gel contactor has a cylindrical container with a...
4992179 Metal recovery  
A relatively solid, stable biomass reaction product is provided produced from microorganisms having metal uptake properties when contacted by an aqueous solution containing metal cations. The...
4985150 Water treatment using oxidized coal  
Oxidized coal is used to remove dissolved or suspended matter from aqueous mediums. It is particularly effective in removing metal ions dissolved in aqueous mediums and/or bacteria from aqueous...
4960711 Method for the quantitative determination of trihalomethanes  
An apparatus for quantitative determination of trihalomethanes comprises a separation unit containing two channels in contact with each other via a microporous membrane that will not react with...
4937001 Process for reducing axial dispersion in a magnetically stabilized fluidized bed  
There is disclosed a process for stably fluidizing a magnetically stabilized bed by periodically removing and reapplying the magnetic field whereby axial dispersion and the width and length of...
4923615 Fluid/solid contacting columns  
A liquid/solid contacting column and method of operating same is provided. The column is of the type in which a vertical series of stages is defined by vertically spaced perforated plates or trays...
4908136 Method and apparatus for forming and ion-exchanging a filter cake  
Disclosed is an improved method and apparatus for creating a more uniform filter cake on a vacuum filter belt. A weir box for depositing a slurry on the filter belt has an outlet in the form of a...
4871463 Vertical reaction vessel  
A method and apparatus for uniformly distributing fluid across the entire cross section of a reaction medium and for compensating for volumetric changes in the reaction medium utilized a resilient...
4863611 Extracorporeal reactors containing immobilized species  
An apparatus for removing material from a biological solution consisting of a reactor chamber having an inlet and an outlet, a bioactive compound immobilized on particular supports within the...
4861705 Method for removing components of biological fluids  
There are provided magnetic and non-magnetic agarose and agar polyaldehyde beads with diameters ranging from 40 microns up to 1 cm, and processes for the synthesis of such beads. The polyaldehyde...
4826604 Process for separation of cesium ions from aqueous solutions  
The invention relates to a process for continuous or almost continuous separation of cesium ions from aqueous solutions having high concentrations of sodium and/or potassium ions by ion exchange...
4822872 Method of purifying factor VIII  
A method for purifying factor VIII complex comprising: (A) absorbing an impure extract containing factor VIII complex on a water-insoluble carrier, and (B) recovering factor VIII complex in the...
4780113 Isomobility focusing in a magnetically stabilized fluidized bed  
The present invention relates to a process for chromatographically concentrating and separating a component of a multi-component feedstream using a magnetically stabilized fluidized bed. More...
4743382 Method and apparatus for separating suspended solids from liquids  
Liquid which has been partially clarified in the settling zone of a clarifier tank is channelled through a filtration compartment containing a buoyant particulate filtration media. The media...
4707227 Simultaneous electro-deposition of manganese and manganese dioxide  
An electro-deposition process for simultaneously producing manganese metal and manganese dioxide. Manganese metal and manganese dioxide are simultaneously electro-deposited in an electrolytic cell...
4702744 Process for the preparation of concentrated solutions of anionic dyestuffs and dyestuff additives by cation exchange with cation exchange resin  
Stable, concentrated aqueous solutions of, in particular, anionic reactive dyestuffs are obtained in a comparatively simple manner by freeing from salts, preferably by means of membrane separation...
4675384 Fractionation/purification of plasma by ion exchange chromatography  
The plasma proteins contained in a plasma solution thereof are chromatographically fractioned, e.g., to obtain a high purity therapeutic grade albumin product, by successively contacting said...
4670153 Vertical column contactor  
A vertical column extractor for the continuous countercurrent treatment of a solid-liquid system wherein an active zone of mass transfer is communicated to a discharge section which is selectively...
4661258 Traveling bed ion exchange contact apparatus and process employing same  
A technique for contacting a fluid with an ion exchange resin which comprises flowing the contacting fluid through a moving bed of ion exchange resin in a direction essentially perpendicular to the...
4661327 Recovery of mineral values using magnetically susceptible ion exchange agent  
A novel ion exchange agent comprises a magnetically susceptible core or nucleus surrounded by a coating of plastic or resin ion exchange material, preferably a microreticular coating immediately...
4659462 Apparatus for pretreatment of water using a bed of granular activated carbon  
A water treatment plant includes a granulated activated carbon bed contactor used in pretreating influent water, including wastewater, prior to any filtration of the water in downstream stages of...
4655796 Continuous sorption process  
The sorption process involves combining a simulated countercurrent flow system with a stationary magnetically stabilized fluidized bed to achieve continuous adsorption-desorption to separate...
Matches 101 - 150 out of 205 < 1 2 3 4 5 >