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WO/2001/023113A1 |
The invention relates to a method for conditioning ion exchange resins. The invention also relates to ion exchange resin mixtures that are conditioned according to the inventive method and to the disposal thereof.
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WO/2001/021269A2 |
A carbon dioxide adsorption unit (1) comprises a container (4) having an inlet (8) and an outlet (9). A cartridge (5) of adsorption material, which may be an ion exchange resin or an oxide of an element of the lla group, is removably pla...
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WO/2001/015806A1 |
The invention concerns a method and an installation for eliminating metal cations contained in a liquid, which consists in contacting said liquid, at a temperature not less than 60 °C, with a chelating ion-exchanging resin consisting of...
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WO/2001/014252A2 |
This invention relates to a method for removing impurities from a brine solution, the brine solution comprising a water soluble chelating agent, the method comprising the steps of: a) adjusting the pH of the brine solution to a pH of fro...
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WO/2001/012292A1 |
A porous immobilized ion-exchange material (30) is provided and secured in an opening (34). Also provided is an electrodeionization device incorporating the material (30). A method for subjecting a fluid to electrodeionization, is provid...
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WO/2001/007517A1 |
Fluid composition containing ion exchange copolymer which is perfluorated with functional groups -SO¿3?M, M-hydrogen ions or ions of alkaline metals (EM higher than 900) and a polar organic solvent or a mixture of a polar organic solven...
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WO/2001/005502A1 |
The invention relates to a container in which a first horizontal nozzle grid is located. Said grid carries at least 1 m?3¿ of an ion-exchanger bulk material. The container comprises a bottom section, a lid, at least one liquid inlet and...
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WO/2001/001126A2 |
The invention relates to a detector and to a detection method for passively taking a sample from bodies of water and sewage, foodstuffs, beverages, sediments and soil. The invention makes it possible to obtain a comprehensive representat...
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WO/2000/076633A1 |
A process for the reclamation of spent aqueous alkanolamine solutions comprising contacting a spent aqueous alkanolamine solution (10) with a strong base ion exchange vesin (40, 50) for time sufficient to sorb from the aqueous alkanolami...
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WO/2000/070041A1 |
Mixed-bed solid phases are provided, with methods for using such solid phases to isolate target nucleic acids, such as plasmid DNA, chromosomal DNA, RNA, or nucleic acids generated by enzymatic amplification from contaminants, including ...
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WO2000036412A9 |
A method of monitoring advanced separation and/or ion exchange processes through the collection of localized data. The data is manipulated to generate preconfigured performance, maintenance, quality assurance, quality control, regulatory...
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WO/2000/066264A1 |
The invention relates to a container (1) comprising a cylindrical jacket (2), a lid (3) and a base (4), as well as a mounting ring and head ring (5, 6). The container is filled with a granular filling for the chemical and/or physical tre...
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WO/2000/066254A1 |
The invention relates to the following: a method for step-by-step alkylation of primary polymeric amines by step-by-step deprotonation with a metallo-organic base and subsequent reaction with an alkyl halide; a method for modifying the i...
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WO/2000/052252A1 |
A fiber capable of forming a metal chelate which comprises a natural or regenerated fiber and, bonded to the molecules thereof through a crosslinking compound having a reactive double bond and a glycidyl group in the molecule, at least o...
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WO/2000/050161A1 |
The present invention provides a positively charged microporous membrane having a protein binding capacity of about 25 mg/ml or greater comprising a hydrophilic porous substrate and a crosslinked coating that provides a fixed positive ch...
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WO/2000/050148A1 |
A two-chambered water softener tank (10) with a bidirectional valve (62) for controlling the flow of water between the chamber for use with a water softener is disclosed. The tank includes an outer shell (14), an upper chamber (26) locat...
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WO/2000/044477A1 |
The electrodeionization apparatus includes an ion-depleting compartment in which alternating layers of an electroactive media are positioned. One of the alternating layers is doped to provide a more balanced current distribution through ...
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WO/2000/033958A1 |
A water treatment module and process for treating power plant condensate water utilizing a sulfonated ion exchange resin comprising copolymer beads having an interpenetrating polymer network of at least two polymer components wherein at ...
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WO/2000/034386A2 |
Gel-type copolymer beads are described which are useful as ion exchange resins such as those used in the treatment of power plant condensate water. The subject copolymer beads possess an interpenetrating polymer network of at least two p...
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WO/2000/034407A1 |
A powdery chelate-trapping material having, incorporated in the molecule thereof, chelate-forming functional groups which comprise acyl groups, etc. and are represented by general formula (1) wherein R¿1?, R¿2?, and R¿3? each represen...
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WO/2000/030749A1 |
The invention provides a method and apparatus for electrodeionizing water, whereby the water to be purified is passed through diluting compartments in an electrodeionization unit having an anode compartment at one end of the unit and a c...
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WO/2000/027513A2 |
Disclosed is a composition containing 30-95 wt.% sulphonated aromatic polyether ketone with an ion exchanger capacity of 1.3-4.0. meq (-SO¿3?H)/g polymer, and 0.5-70 wt.% polybenzimidazol. The inventive composition can be processed into...
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WO/2000/024796A1 |
This invention relates to novel ion-conducting materials suitable for use as solid polymer electrolyte membranes in electrochemical applications including fuel cell systems. More specifically, these novel ion-conducting polymers are base...
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WO/2000/023177A1 |
The invention relates to membranes containing 30-99.5 wt. % of a sulphonated, strictly alternating polyetherketone with repeating units of formula (I) -AR-O-Ar'-CO-, wherein Ar and Ar' are, independently from each other, bivalent aromati...
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WO/2000/020102A1 |
A mass transfer composite membrane (12) for use with a fuel cell power plant (10) includes a transfer medium core (62) between opposed, rigid, porous support sheets (64, 66). Inlet surface (54) is in contact with an oxidant source (36) a...
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WO/2000/009588A1 |
The present invention relates to the reaction and to the reaction products of organo-metallic compounds, preferably Li organic compounds, deprotonised engineering-polymers with an aryl main chain and with various aromatic carbonyle compo...
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WO/2000/009265A1 |
Device for water treatment, of the type whereby the water during treatment is brought into contact with a treatment medium (2), such as a resin, and whereby this treatment medium (2) is regenerated regularly by means of a regeneration me...
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WO/2000/009266A1 |
Device for water treatment, of the type whereby the water during treatment is brought into contact with a treatment medium (2), such as a resin, whereby this device (1) is provided with a tank (4) with two liquid-permeable holders (5-6) ...
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WO/2000/002818A1 |
A cartridge filled with an ion exchange resin and having an air flow path which is provided at a location where the ion exchange resin is not filled. An ion exchange resin which removes a cation from water used in a humidifier; specifica...
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WO/2000/001459A1 |
The present invention relates to the production of zeolite particle composites that have average diameters in the range of about 10 $g(m)m to about 180 $g(m)m. These diameter sizes are especially suitable to be used in conjunction with c...
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WO/2000/001487A2 |
The present invention provides methods for solutions having a very low level of metal ions, utilizing a specially designed Ion Exchange Pack. A method is also provided for producing photoresist composition having a very low level of meta...
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WO/2000/000287A1 |
There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of...
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WO/1999/059923A1 |
The invention relates to a method and device with a cylindrical tank for purifying wastewater, whereby several chambers are formed in said tank by means of partitions. The partitions are arranged on a motor-driven central axle of the tan...
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WO/1999/053557A1 |
Formulations of platinum - molybdenum alloys for use as anode catalysts. These electrocatalysts find utility as a constituent of gas diffusion electrodes for use in fuel cells that operate at less than 180 °C or in applications whereupo...
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WO/1999/051529A1 |
In one embodiment, the present invention relates to a process for recovering one of an onium hydroxide and onium salt from a solution containing an onium compound involving the steps of charging the solution containing the onium compound...
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WO/1999/048820A1 |
An electric desalting apparatus for desalting water of any ion concentration from high to low concentration, characterized in that desalting chambers and condensing chambers are alternately formed by arranging cation and anion exchanging...
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WO/1999/048587A1 |
The invention relates to a device for decontaminating a liquid, comprising two columns containing a decontamination agent and a measuring apparatus which is connected between the two columns. Said measuring apparatus measures the contami...
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WO/1999/047227A1 |
The invention relates to methods for separating biological contaminants (viruses, nucleic acids and/or endotoxins) from biological products, or for reducing the content of such biological contaminants in said biological products. The sam...
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WO/1999/046782A2 |
The present invention relates to ferromagnetic metal particles comprising a core of a ferromagnetic metal or metal alloy, wherein the surface of the core is covered entirely with a layer of graphitic carbon.
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WO/1999/038921A1 |
A process to purify and classify a dispersion containing stabilized particles having counterions and ions as well as free species is disclosed. The solution may comprise an aqueous media, a solvent media, or a combination of both and can...
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WO/1999/037628A1 |
A method for first recovering melamine alone from a waste liquor obtained in a melamine production process by the urea method, and then further recovering ammeline and ammelide (hereinafter referred to as ammeline, etc.) therefrom. This ...
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WO/1999/036358A1 |
The present invention provides a continuous process for the conversion of sodium silicate to silicic acid, wherein a moving bed of a protonated ion exchange resin is contacted with an inlet stream of sodium silicate to provide an outlet ...
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WO/1999/033568A1 |
This invention is a liquid separation system using ion exchange resin, adsorbent resin and catalytic resin based on U-tube principle. It is shown that relatively low fluid velocity is sufficient to maintain the resin bed in compacted sta...
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WO/1999/033539A1 |
The present invention provides a composition for the purification of water comprised of components that effectively remove a wide spectrum of contaminants from the water. The invention is particularly useful in that it extends the efffec...
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WO/1999/029388A1 |
The invention relates to an annular chromatograph with a particle bed in its annular gap. Said chromatograph is characterised in that at least one reaction zone for conducting the chemical reactions and at least one associated separation...
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WO/1999/026716A1 |
A valve (10) comprising a with a tubular valve housing (11) containing a hydraulic fluid guiding body (13) arranged between the body of the valve (12) with a hollow cone-shaped seat (26) and an area (21) of the valve housing (11) receivi...
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WO/1999/022850A1 |
A microporous hollow fiber membrane device for clarifying and purifying a feedstream. The membranes are capable of forming a shear effect or Dean vortices at their inner surface. The filtrate channel and/or the fibers may contain one or ...
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WO/1999/022838A1 |
The invention provides a method of separating, at least part of one or more components, from a mixture of components, the method comprising exposing the mixture to a porous barrier, the barrier being formed of a material structure having...
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WO/1999/022851A1 |
One or more hollow fiber membranes having a coflow of filtrate to provide trans-membrane pressure (TMP) control. The membranes preferably are capable or forming a shear effect or Dean vortices at their inner surface. Optionally, the filt...
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WO/1999/019053A1 |
The present invention provides methods and devices for producing a subassembly for devices designed to receive particulate matter in a compartment of predetermined shape.
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