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JP2005506423A |
The present invention is related to a particulate insoluble product containing a polyphenol such as tannins that is covalently bound to a polymeric backbone by means of a bifunctional spacer, of which one functionality may react with sai...
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JP2005040657A |
To provide a cartridge filter for removing an ion capable of efficiently removing the ion, saving its installation space and minimizing the elution of the impurity ion.This cartridge filter is provided with a pleated filtration body on t...
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JP2005021883A |
To develop an insoluble resin capable of effectively removing a metallic ion.This invention provides a chelate resin wherein an anion exchange resin has a quaternary ammonium group with a polyethylene imine structure or with a carboxymet...
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JP2005501920A |
A derivatized macrocyclic compound comprising the formula: wherein M is a molecular framework monocyclic or polycyclic macrocycle moiety; L is a substituted or unsubstituted carbon chain linker covalently bound to M; R is a terminal func...
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JP2005500159A |
The invention relates to a composite solid material which fixes inorganic contaminants based on metal hexacyanoferrate comprising a solid support coated with a thin film of an anion-exchange polymer to which is fixed an insoluble metal h...
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JP2005500158A |
Process for the preparation of a composite solid material which fixes inorganic contaminants, based on metal hexacyanoferrate, comprising a solid support coated with a film of an anion-exchange polymer to which is fixed an insoluble meta...
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JP2004351288A |
To provide a method for treating heavy-metal-containing water or heavy-metal-containing soil by using a chelating metal to adsorptively remove the heavy metal therefrom more simply at a still higher heavy metal adsorption capacity.Heavy-...
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JP2004337749A |
To provide a catching material capable of removing and recovering boron with a high capacity at a high speed while holding a high permeability of a liquid containing boron by giving a graft (grafting) polymer chain, having a catching fun...
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JP2004330056A |
To provide a filter cartridge preferably usable for refining an electronic element substrate surface treatment liquid to be used in semiconductor industries, particularly a liquid containing a basic compound such as an amine or ammonium ...
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JP2004532392A |
A microchip-based electrospray ionization device and column with affinity adsorbents is disclosed. The invention includes a microchip array and a capillary tube or alone or attached in combination. At least a portion of the device or col...
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JP2004530014A |
Compositions and methods for selectively binding specific metal ions, such as Ca<2+> and Cd<2+>, contained in a source solution are disclosed and described. This is accomplished by the use of a composition comprised of an EGTA ligand cov...
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JP2004216310A |
To provide a waster water treatment apparatus using a powdered chelate material which can improve contact efficiency between raw water and the powdered chelate material, treat a large amount of water per one reaction tank, and fully demo...
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JP2004202449A |
To provide a method for easily and efficiently removing heavy metals in incineration ash, and for accelerating the recycling of the incineration ash.The method for removing heavy metals in incineration ash is characterized in that an aqu...
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JP3531403B2 |
To provide a method for purifying a hydrogen peroxide solution extremely low in concentration of anion contents and metal components as impurities, therefore capable of providing a high purity hydrogen peroxide solution suitably usable f...
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JP2004514055A |
A process for treating a nickel-bearing aqueous solution consisting of phosphating-bath overflow and/or of rinsing water after phosphating, phosphating being effected with an acidic aqueous phosphating solution that contains 3 to 50 g/l ...
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JP2004136226A |
To provide a novel photocatalyst excellent in photocatalytic activity and its production method.Particulates of a titanium phosphate compound, preferably particulates of titanium pyrophosphate, are used as the photocatalyst. The average ...
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JP2004097922A |
To produce a chelate collecting material which can be used without any problem due to swelling or shrinkage even in a high salt concentration.This chelate collecting material, which is an amidoxime type, is produced by co-graft polymeriz...
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JP2004089824A |
To find out a new ligand capable of forming a complex along with boric acid in a water sample stably and rapidly and to utilize the ligand to provide a technique capable of removing or determining boron efficiently and simply.A boron bon...
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JP2004507348A |
The present invention relates to a complexing structure, to a method for treating liquid effluent using said complexing structure, and to a device for implementing the method of the invention. The structure comprises a film of a polymer ...
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JP3503741B2 |
To provide a fine particle, capable of chelating a metallic ion and being easily isolated from a medium, compatible with a living body, and biodegradable. This fine particle has one or more walls, at least on its surface, of a mixture of...
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JP2004045371A |
To provide a processing method and device for liquid of a nuclear power plant which can selectively remove radionuclides.In a processing method for liquid including radionuclides, the liquid is processed to pass in adsorbent of one kind ...
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JP2004503355A |
The present invention provides a method for reducing the metal ion content of a film-forming resin, said method comprising the steps of: a) providing a solution of the film-forming resin in a water-immiscible solvent system comprising at...
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JP2003535819A |
Naphthyl crown ether ligand molecules containing at least two naphthyl groups that are covalently bonded to suitable solid supports and coated by hydrophobic organic solvents are disclosed. These compositions and associated methods are c...
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JP3469899B2 |
PCT No. PCT/GB95/02919 Sec. 371 Date Jul. 7, 1997 Sec. 102(e) Date Jul. 7, 1997 PCT Filed Dec. 14, 1995 PCT Pub. No. WO96/19812 PCT Pub. Date Jun. 27, 1996A process for the decontamination of radioactive materials which process comprises...
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JP2003293155A |
To provide a pre-coating treatment apparatus which can make space lesser, productivity higher, expenses of equipment and chemicals lower and man-hours for management and burden on a waste water treatment lesser as a result of shortening ...
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JP2003527950A |
The present invention provides a method for selectively removing metal ions of interest from a solution ( 12 ), such as the wastewater from a chemical mechanical polishing process. The method comprises contacting a solution ( 12 ) contai...
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JP3431456B2 |
To elute Sb from a chelating resin at a low cost by conducting elution with an acid soln. having an Sb concn. above a specified value and then with an acid soln. having a lower Sb concn., and thereby by reducing the consumption of HCl an...
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JP2003119008A |
To provide a method for producing a high purity hydrogen peroxide solution by refining a hydrogen peroxide solution containing silicon oxide impurities to remove the impurities as much as possible.A flocculant is added to a hydrogen pero...
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JP2003514644A |
The invention pertains to a method for simultaneously removing metallic ions and particulate material from a pH neutral solution using particle-removing membranes (e.g., ultra high molecular weight polyethylene) having immobilized ligand...
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JP2003112060A |
To provide an ion adsorbing resin which can adsorb and remove ions in ultrapure water and shows little elution of fine particles, ions and TOC (total organic carbon), and a porous ion adsorbing material.The ion adsorbing resin is prepare...
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JP2003509183A |
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 from...
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JP2003062461A |
To provide a functional inorganic material which exhibits high functionality, does not substantially deteriorate in its functionality even after the lapse of a long term, and does not substantially deteriorate in its functionality even w...
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JP3375984B2 |
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JP2003502133A |
Compositions and methods for selectively binding metal ions from a source solution comprise using a polyhydroxypyridinone-containing ligand covalently bonded to a membrane support having the formula M-A-L(HOPO)n. M is a membrane having a...
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JP3359632B2 |
The invention discloses a porous, non-particulate matrix permeable to convection which is capable of interacting with components of liquid phases, e.g., in adsorptive separation of materials, heterogeneous catalysis and solid phase synth...
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JP3358736B2 |
The present disclosure relates to improved methods for the preparation of aluminum phosphate molecular sieves and faujasite-type zeolites having stably encapsulated multidentate metal chelate complexes. This is achieved through direct in...
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JP2002363216A |
To obtain a heterodisperse chelating resin suitable for removal of absorption of a metal compound and having high stability at high capacity, to ensure that the resin can be used for many years with the associated repeated regeneration, ...
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JP2002355564A |
To provide an ion adsorbing body which can adsorb and remove fine particles, colloidal substances and metallic ions until the concentration of them becomes extremely low and which can be used in an ultrapure water producing process of a ...
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JP2002539177A |
(57) [Summary] The present invention provides complexing materials for complexing anions, particularly pertechnetate anions, but is not limited thereto. The complex-forming material of the present invention has at least one cation bindin...
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JP2002316171A |
To provide a method for treating fluorine-containing wastewater, for economically treating both of thick fluorine-containing wastewater of which the concentration of fluorine is, for example, not less than 30 mg/l and dilute fluorine-con...
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JP2002534565A |
The invention relates to malatyl polysaccharides which are obtained by reacting polysaccharides and cis epoxy succinate or epoxy carboxylic acids. The invention further relates methods for producing them and to their use in washing agent...
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JP2002534564A |
The simultaneous precipitation of soluble heavy metal ions from semiconductor wastewater containing abrasive solids and enhancement of microfilter operation is achieved through the addition of an effective amount of a water-soluble polym...
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JP2002239399A |
To provide an ion capturing treatment apparatus capable of efficiently capturing metal ions or ions containing a metalloid element using a powdery chelate capturing material and a regeneration apparatus capable of efficiently regeneratin...
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JP3307934B2 |
A method for the removal and concentration of desired ions such as Pd(II), Ru(III), Pd(IV), Au(III), Au(I), Ag(I), and Hg(II) from a multiple ion source solution which may contain larger concentrations of other undesired ions including H...
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JP3301628B2 |
PURPOSE: To obtain a phosphate group-containing cation exchange resin suitable for separating and adsorbing organism-related substance, having readily adjustable exchange capacity and pore volume and high strength. CONSTITUTION: 100 pts....
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JP3296827B2 |
PURPOSE: To prepare a hydrophilic polymer product for bonding and adsorption of metal ions with a structure: P-X-A-Q (P is a hydrophilic polymer, X is a heteroatom of O, S or N, A is an atom sequence, and Q is a group having branches wit...
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JP2002177771A |
To provide a novel separating agent for separating an organic compound having an unsaturated carbon chain capable of a π complex-like bond to silver ions from the inside of a solution.High-polymer particulates of a parent body having an...
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JP2002177955A |
To provide an ion exchanger which is particularly suitable for arsenic ions and/or antimony ions, selectively removes the arsenic ions and/or the antimony ions from a reaction solution during a synthesizing process step, surely functions...
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JP2002173665A |
To provide a chelating agent having high biodegradability, boron scavenging ability and heavy metal scavenging ability, to provide a chelate resin and a fiber having high scavenging ability, and to provide a method for efficiently formin...
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JP2002509015A |
The present invention is directed to a process of removing trace acidic impurities from an impure solution of photoacid generating compounds in a solvent, comprising contacting an impure solution of at least one photoacid generating comp...
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