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JP3957266 |
To provide a regeneration treatment method for organic brine capable of simply and efficiently regenerating organic brine used as the coolant or heating medium of a chemical product manufacturing apparatus over a long period of time and ...
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JP2007117781 |
To provide a method for reducing the metallic impurity content contained in an ion exchange resin, in which the metallic impurity content contained in the ion exchange resin is reduced surely and amounts of metallic impurities to be elut...
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JP3951175 |
To provide a water purifying material which holds a large amount of useful bacteria in water stably, adsorbs phosphorus and nitrogen in water efficiently to remove phosphorus and nitrogen adsorbed by useful bacteria and having the immedi...
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JP3951642 |
To provide an electrical deionization device and its operating method by which concentration diffusion of silica from a concentration chamber is suppressed and thereby production water of extremely low silica concentration can be obtaine...
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JP3951456 |
To produce pure water of high quality at a low cost by highly removing silica by a front stage RO(reverse osmosis) system reduced in the arranging number of towers and low in building cost and treatment cost. A pure water making apparatu...
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JP3951029 |
To dissolve a fault of a conventional ion-exchange resin by providing the ion-exchange resin with a magnetic field moving function and spread an application area of the ion-exchange resin. The magnetic field moving type ion-exchange resi...
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JP3952429 |
To provide a method and device for treating terephthalic acid waste water being compact, capable of separating/recovering and reusing a useful component from regenerated liq. and intended to realize a closed system. In the treating metho...
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JP3947829 |
To produce high purity deionized water of low electric resistance by a method in which in equipment in which the desalting chamber of an electrodialysis tank is filled with ion exchange resin particles, a mixture of uniform particle-size...
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JP3947946 |
To remove particulate materials, to restrain the propagation of caught bacteria and mold, and also to prevent them from being diffused by constituting a filter medium so as to form at least one layer of electret nonwoven fabric and at le...
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JP3940864 |
To provide a method for recovering and treating a waste alkaline silica polishing water by which the silica in the waste water is easily and efficiently removed by incorporating a membrane separator for separating the waste alkaline sili...
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JP3942758 |
To obtain the subject exchange membrane comprising a specific polymer and having eliminated problems such as excellent heat resistance, scarce elution from the polymer, a slight amine odor, excellent in rate of reaction and a high exchan...
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JP3940236 |
To obtain a fibrous metal chelate material exhibiting excellent capturing performance to harmful heavy metal ions, etc., and further capable of readily carrying out burning treatment and simply, safely and inexpensively producing. This m...
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JP3937694 |
To prevent the release of an aminothiol compound from a modified cation exchange resin in the preservation of the resin having sulfonic acid groups partly modified with the aminothiol compound as a catalyst for the preparation of bisphen...
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JP2007083132 |
To provide a method for reducing an amount of an organic material eluted in an anion exchange resin which needs no additional unit operation or device for reducing the organic material eluted from the anion exchange resin and which certa...
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JP3932338 |
To provide a fluorine polymer ion exchange membrane excellent in characteristics as a solid polymer electrolyte and in oxidation resistance, for one by radiation graft. With the fluorine polymer ion exchange membrane with a sulfonic acid...
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JP2007075712 |
To provide an electrodialysis method capable of recovering desalted substances such as desalted liquid and organic acid in the sterilized state.A positive electrode 13 and a negative electrode 23 are disposed in a desalting chamber 5, an...
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JP2007075720 |
To provide a method for treating a strong basic anion exchange resin by which a malodorous substance such as TMA (trimethylamine) to be eluted from the strong basic anion exchange resin can be decreased more easily in a short time and to...
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JP2007075131 |
To provide a deodorant material and a deodorant sheet, excellent in the deodorization capability, to be stably held inside various base material sheets.The deodorant material is characterized by the micro-gel resin with anionic and/or ca...
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JP2007070563 |
To improve properties such as heat resistance, endurance, mechanical strength and liquid-permeability practically without decreasing proton conductivity by crosslinking a polymer film-like products having a sulfonic group.The method for ...
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JP3915179 |
To improve chemical resistance, heat resistance and ion exchanging characteristics by depositing zirconium hydroxide on an activated carbon. The zirconium hydroxide used is generally produced by the reaction of a zirconium compd. and an ...
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JP2007038082 |
To provide a manufacturing method of an ion exchange net having excellent desalting performance in desalting of an electrolyte solution, especially a low-concentration electrolyte solution, by the use of an electrophodialysis apparatus.T...
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JP2007042549 |
To provide a polymer electrolyte membrane having high stability and durability as an electrolyte membrane of a solid polymer fuel cell.This composite ion exchange membrane having the high stability and durability is provided by combining...
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JP3912886 |
To prolong the life of a filter by decreasing a pressure loss while an ion exchange capacity is increased by a method wherein an ion exchange resin particle having a specific particle size is bonded to a skeletal base material comprising...
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JP2007031919 |
To provide a slit yarn capable of suppressing dispersion of yarn diameter and further, provide a slit yarn capable of reducing fiber wastes and reducing yarn breakage and to provide a method for producing the slit yarn.In the slit yarn, ...
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JP3906540 |
To produce high purity deionized water stably at low a voltage by arranging porous layers having structure in which cation exchange resin particles are connected and porous layers having structure in which anion exchange resin particles ...
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JP3907012 |
To provide an ion exchange device capable of perfectly separating and maintaining in a satisfactory operating state both the strong and weak iron exchange resins and control the descending water flow and the ascending chemical flow using...
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JP3907937 |
To provide a means for recovering a high purity boron-containing water by purifying a boron elute containing an alkali. A boron elute containing an alkali regenerated by adsorbing/ eluting to an anionic exchange resin is introduced to a ...
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JP2007014958 |
To provide an ion-exchange membrane for electrodialysis capable of suppressing organic pollution, and excellent in fundamental characteristics such as the membrane resistance and ion selectivity.In the ion-exchange film, an ion-exchange ...
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JP2007015900 |
To provide a method of removing heavy metals in a hydrochloric acid containing a heavy metal by the use of a strongly-basic anion exchange resin, which is capable of increasing the adsorption quantity of an anionic metal chlorine complex...
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JP3902799 |
PURPOSE: To provide a hydrogen ion type strongly acidic cation exchange resin without any leak of impurity cations. CONSTITUTION: The hydrogen ion type strongly acidic cation exchange resin has, on the basis of the total exchange equival...
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JP2006346581 |
To efficiently remove two or more kinds of ions in a liquid, and to use two or more kinds of ion removal units to their service life.The invention comprises: a first ion removal unit 24 stored in a housing 22 in such a manner that only a...
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JP2006346753 |
To provide a method of decontaminating polishing slurry contaminated with a metal for recycle by decontaminating the metal from the polishing slurry contaminated with the metal and stocked in a transport tank and the polishing slurry use...
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JP3893754 |
To provide a water purifier capable of stably removing heavy metals such as lead or the like in tap water by simple constitution, preventing tap water from transiently becoming alkaline at an initial stage of the supply of water and supp...
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JP3893740 |
To attain a large removal amount of ions and efficiently obtain a high quality treated water even in case of desalting treatment of raw water with a high concentration of salts. In the electrolytic capacitor type desalting apparatus 1 co...
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JP3892124 |
To prevent the purity lowering of condensed water by desalting using a mixed type ion exchange resin bed added with the particles of an inactive synthetic resin of specified specific gravity having no ion exchange group. In desalting, co...
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JP3888885 |
To provide a kneader which can effectively impregnate a hydrophilic polymeric fibrous material fed into a kneading tank with a chemical liquid without cutting the material and can agitate them. Curved surfaces 8a, 8b each consisting of a...
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JP2006326581 |
To provide a pH dependent ion exchange material having selectively higher binding force to nucleic acids than to proteins, a solid substrate with the ion exchange material immobilized thereon, and a method for isolating a nucleic acid us...
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JP2006326585 |
To provide an apparatus for determining the end of an operation step and the period of a brine/slow rinse step by a water conditioner having one layer of an ion-exchange material, and a method.A sensor probe and a standard probe are arra...
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JP2006326588 |
To provide a method for condensate demineralization capable of collecting eluted matters flowing out of an upper layer with an anion exchange resin layer formed in the lower section of a condensate demineralization column and also capabl...
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JP3886586 |
To provide a method for positively removing an ionic substance sticking to the surface of a structure simply and safely. A pasty mixture is obtained by kneading a polar solvent with a pulverized ion exchange material, and is applied to t...
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JP3880231 |
To form an anion exchange resin layer on the lower section in a condensate desalination column, collect eluted matters flowed out of an upper layer and retain securely both of an ion exchange resin layer of the upper layer and the anion ...
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JP2006313134 |
To provide an ion-exchange resin tower movable to a waste storage house by placing spent resin columns in a drum safely and efficiently during chemical decontamination without a rise of dose equivalent rate on the resin tower surface.The...
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JP2006307394 |
To provide a high-quality woven fabric for an ion exchange membrane, stably produceable at high speed without carrying out improvement of an installation.The woven fabric is constituted of two or more kinds of synthetic fibers. One or mo...
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JP2006297392 |
To provide a fluid refining method in an electro-deionization device and its usage.The fluid refining method comprises the following processes of (a) to (e): (a) a process for supplying the electro-deionization device having a plurality ...
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JP2006297393 |
To provide a device which can stably obtain high-quality deionization water from water etc. stabilized by contamination of electrodes, membranes, and resin with scale etc. in an electro-deionization device.In the electro-deionization dev...
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JP2006290935 |
To provide a method for producing an original membrane for ion exchange membrane in high productivity without causing quality deterioration by increasing the rolling-up number of a polymerizable sheet on a rolling-up roller and polymeriz...
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JP3864539 |
To make it possible to quickly, easily, and accurately judge the degree of deterioration of ion exchange resin by supplying pure water to the ion exchange resin after regeneration for washing, by measuring the TOC of the washing drain, a...
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JP3864891 |
To provide an electric deionizing apparatus in which satisfactory deionization can be performed by applying electric current of a required quantity even when the voltage to be impressed between the electrodes is made low. The first catio...
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JP2006272149 |
To provide an adsorbent material of cations in an oil-dispersed aqueous solution which is excellent in cation adsorption performance in an oil-dispersed aqueous solution and is inexpensive.In the manufacturing method of the adsorbent mat...
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JP2006274464 |
To provide a sulfonated rayon fiber with high ion exchange capacity, having high strength, a sheet for chemical filter with a high ion exchanging capacity composed of the rayon fiber, a chemical filter composed of the rayon fibers excell...
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