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JP4172945B2 |
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JP4172994B2 |
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JP4169788B2 |
PCT No. PCT/US97/11054 Sec. 371 Date Dec. 14, 1998 Sec. 102(e) Date Dec. 14, 1998 PCT Filed Jun. 24, 1997 PCT Pub. No. WO97/49492 PCT Pub. Date Dec. 31, 1997A method and composition for the concentration and removal of desired metal ions...
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JP4161127B2 |
To save a salt used for regeneration of an ion exchange resin. When the water softener 1 with a predetermined amount of ion exchange resins filled in a resin cylinder 2 is regenerated, a consumption amount of regeneration salt for regene...
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JP4162709B2 |
An electrochemical cell for capacitive deionization and electrochemical purification and regeneration of electrodes includes two oppositely disposed, spaced-apart end plates, one at each end of the cell. Two generally identical single-si...
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JP4162141B2 |
Methods and apparatus for separating ions of metallic elements are provided. Preferred methods utilize a hydrophobic chelating extractant, such as an organophosphorus compound, adsorbed onto carbon or graphite fibers in the form of felt....
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JP4158294B2 |
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JP4155541B2 |
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JP4147139B2 |
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JP2008200651A |
To provide a method for recovering a harmful ion, which has excellent recovery efficiency, can capture various harmful ions, is flexible, is less likely to disintegrate upon immersion in an acid, a base or the like, can realize repeated ...
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JP4144515B2 |
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JP4142432B2 |
In one embodiment the present invention is a process for recovering an onium hydroxide from a cation exchange material having onium cations adsorbed thereto which comprises(A) contacting said cation exchange material with an aqueous solu...
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JP2008194658A |
To prevent clogging from occurring in an electric deionizer by scales resulting from water-hardening components in a pure water preparation system equipped with a water softener.The pure water preparation system 1 comprised of a water so...
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JP4138974B2 |
To provide an optimum peep window for an ion-exchange resin column or the like while it is such a peep window that a half-divided like granular filler does not stick thereto. The peep hole is equipped with the same constitution as that o...
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JP2008532757A |
In a method and apparatus for operating and regenerating ion exchange material a wash fluid or elution solution for rinsing the ion exchange material (1) is prepared, there is collected as a by-product of said preparation a first waste s...
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JP2008532751A |
The invention provides a method for recovery of a fluorinated anionic surfactant from a basic anion exchange resin having quaternary ammonium groups, the method comprising eluting the anion exchange resin with a composition comprising an...
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JP2008183526A |
To provide a method for treating an acid waste liquid and an alkali waste liquid by which the acid waste liquid and the alkali waste liquid caused in a pickling step, a surface treatment step or the like for a steel sheet can be cleaned ...
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JP2008178875A |
To provide an electrochemical cell for capacitive deionization, electrochemical purification, and electrode regeneration.Two end electrodes 35, 36 are each disposed adjacent to two end plates 31, 32 at each end of the electrochemical cel...
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JP4130073B2 |
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JP4122769B2 |
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JP2008154656A |
To provide a method for reusing water in a cleaning device for allowing water to be reused and allowing an absorbent to be easily recycled only by flowing electrolytic solution, by removing surfactant from the water to be processed conta...
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JP2008157577A |
To improve certainty in softening and deoxidizing the makeup water in supplying the makeup water to a water storage tank to supply the water to a boiler.In a water softening device 53 disposed in a water pouring passage 51 for supplying ...
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JP2008523985A |
Device for treating water with a supply (3); a treatment tank (4); a drain (9); a regulator (13); and a bypass (22) which connects the supply (3) to the drain (9), characterised in that in the main canalisation (2), on either side of the...
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JP4116163B2 |
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JP2008522815A |
The invention provides a process for separating a solution from magnetic resin portions, particles and/or fines by passing a solution containing the resin portions, particles and/or fines through a bed of particulate magnetic material.
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JP4110604B2 |
To enhance a recovery ratio of water by efficiently treating fluorine- containing water with a reverse osmosis membrane without clogging of the reverse osmosis membrane, and to make fluorine contained in raw water insoluble by efficientl...
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JP4107256B2 |
To allow an ion exchange resin to be easily exchanged safely in a short period of time at the installation site of an ion exchange apparatus without using a special tool. A penetration route 19 is arranged on a cover member 3 of a resin ...
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JP2008126119A |
To enhance the reliability of regeneration operation while simplifying the constitution of a salt water supply device.The ion exchanger is equipped with a resin housing part 2 filled with an ion exchange resin 1, a flow channel control v...
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JP4095967B2 |
A water softener particularly for use in a dishwasher. The water softener is located in the dishwasher water supply (238) between the primary supply valve and the wash chamber. The softener includes a resin container (207) with an ion ex...
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JP4096891B2 |
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JP2008518232A |
A water treatment system includes a tank that contains a particle bed for removing minerals from water flowing through the tank. The regeneration of the particle bed is conducted in response to measuring its conductivity. A probe is prov...
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JP2008121981A |
To provide a water heater draining water as safer water or safely recycling it as bathtub water by eliminating nitrate nitrogen contained in drain water in the water heater of high heat efficiency utilizing the sensible heat and latent h...
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JP4089320B2 |
To provide a basic anion exchange resin which has a reduction in the elution of total organic carbon (TOC). The basic anion exchange resin, after being heated in an alkali solution, is washed with a water-soluble organic solvent or an aq...
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JP2008516761A |
The invention relates to a method and corresponding plant for the hygienic operation of an ion exchanger, in particular, in water treatment, whereby the ion exchanger is regenerated by a regenerating agent solution during a regeneration ...
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JP4087052B2 |
The present invention provides a method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous solution ...
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JP4086456B2 |
Apparatus for generating a high purity eluant for detecting ions in a sample solution or for use as a suppressor comprising a first housing (1) comprising a first effluent flow channel (9) adapted to permit fluid flow through said first ...
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JP2008100850A |
To provide a method for obtaining an indium compound from an indium-containing ferrous chloride solution by a simple means and a method for obtaining the indium compound from the indium-containing ferrous chloride solution by using an an...
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JP2008093602A |
To provide a waste water treatment method of suitably removing ammonia and a COD component in waste water, and waste water treatment equipment.The waste water treatment method of treating the waste water containing ammonia and the COD co...
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JP2008080273A |
To lower the height of the water softening apparatus for a bath room, which is for removing hard components contained in hot water to be used in a bath room.The water softening apparatus comprises a resin tank 2 containing an ion exchang...
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JP2008081791A |
To provide a method and an apparatus for recovering phosphoric acid by which high purity phosphoric acid capable of being transported in a high concentrate liquid state and useful as a recovered material is efficiently and inexpensively ...
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JP2008073619A |
To provide a method of treating a liquid crystal panel so as to recover the liquid crystal with less labor and energy and indium in the transparent conductive film and enable reuse of glass.The method has a sorting process sorting glass ...
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JP4069291B2 |
To provide a method for separating a metal ion effectively from a solution of a metal complex. This metal ion separating method comprises a step of adsorbing the metal complex in a liquid onto an ion exchanger, a step of eluting the meta...
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JP4061716B2 |
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JP4058622B2 |
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JP4058787B2 |
To obtain a high quality treated water by separating a boron-containing water into a condensed water and a concentrated material by evaporation concentration, bringing the condensed water into contact with an ion exchange resin to remove...
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JP4056695B2 |
The present invention provides a process for producing a high-purity aqueous hydrogen peroxide solution from which metal ion impurities are removed as much as possible by purifying an aqueous hydrogen peroxide solution containing metal i...
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JP2008031014A |
To provide a method for producing a high purity alkali metal hydroxide in which an alkaline earth metal contained in an alkali hydroxide is removed for purification in the state where the alkali hydroxide is in high concentration.It was ...
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JP2008029989A |
To provide a method for separating and recovering boron from boron-containing water by using a rare earth element hydroxide powder as an adsorbent which efficiently separate and remove boron in the boron-containing water without being af...
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JP2008029992A |
To reduce the amount of ion leakage due to an unregenerated resin part during the initial period of water feeding, to reduce the amount of a regenerant while maintaining the amount of ion leakage in treated water at a low level.An ion ex...
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JP2008029985A |
To provide an apparatus for regenerating an anion adsorbent which can economically and readily regenerate a used hydrotalcite-like compound to obtain a regenerated hydrotalcite-like compound without deteriorating its adsorptivity.The app...
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