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JP2000135444A |
To enable withdrawal of a mixed resin without installing any resin storage vessel for transferring/receiving an anion exchange resin by placing an anion exchange resin transfer line in the lower part of the anion exchange resin layer, pl...
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JP3042497B2 |
To regenerate the ion removing function of an ion removing means when it did not use the regeneration of the ion removing means last washing or the washing machine for a long time by supplying water with a water supply means, after regen...
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JP2000126618A |
To enhance cleanliness in regeneration, to shorten the time necessary for regeneration and to reduce the cost of a pure water producing device. A detergent is supplied to an anion tower 41 from a lower water collecting and distributing d...
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JP2000107755A |
To provide the subject apparatus usable even in a narrow space by forming a small-sized and compact water softener by separately and independently providing a water softener and a regenerator, detachable to a water supply line simply at ...
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JP2000107751A |
To provide a fluid treatment apparatus of many media equipped with an efficient control valve markedly extending the life of the apparatus and reducing the effective amt. of media.A water treatment apparatus 10 having at least one medium...
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JP3031726B2 |
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JP2000503889A |
A method for minimizing wastewater discharge generated in an ion exchange regeneration system having a cation exchange bed and an anion exchange bed, which method is characterized in that all of the segments of regenerant and displacemen...
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JP2000070731A |
To regenerate an ion exchanger without using a regenerant by providing the ion exchanger dipped in a liq. and an ultrasonic irradiating means and irradiating the ino exchanger with an ultrasonic wave to regenerate the ion exchanger. A wa...
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JP2000070931A |
To provide a common water regenerating device in which a common salt soln. is passed through a degraded ion exchange resin of a water softener to reactivate the resin. In an ion exchange resin water softener for a common salt regeneratin...
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JP2000061322A |
To provide an apparatus for regenerating used ion exchange resins which can electrolyze/regenerate mixed ion exchange resins efficiently without using chemicals and without separating the mixed resins into the cation exchange resin and t...
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JP2000042427A |
To provide a water softening method which can realize a water softener used even in a specified use place in a general household. A treating method in which raw water is softened by a resin housing part filled with an ion exchange resin ...
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JP2000042289A |
To facilitate the regeneration by a method wherein for an ion removing means which removes ionic components such as magnesium and calcium which are contained in supply water, an ion exchanging raw material which takes away the ionic comp...
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JP2000024657A |
To provide a compact, simple and inexpensive ion exchange resin water softener capable of executing three functions of the collecting of softened water, back washing for stirring and cleaning ion exchange resin and the regeneration of th...
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JP2000024658A |
To obtain about >90% dephosphorizing rate even for raw water having such a low concn. of phosphorus dissolved as about 1 ppm phosphorus concn., and to provide an nontoxic dephosphorizing agent and dephosphorizing method by which the deph...
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JPH11333453A |
To control the regeneration of an ion exchange resin efficiently by controlling the start of the dissolution of a regenerating agent by using a signal for changing over a multiport automatic valve. A raw water pump 14 is connected with a...
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JPH11319825A |
To provide a desalting method and apparatus for purifying water- quality wherein the amount of anion resin, used for removing impurities at the time when water purification is carried out by removing injected chemical agents for adjustin...
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JPH11319467A |
To reduce the frequency in exchanging desiccants and the maintenance cost. This dehumidifier has a first drum 2 having an air inlet and outlet and a second drum 3 communicating with the first drum 2 through a notch 33 as an air passage f...
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JPH11285688A |
To reduce a use quantity of a regenerant for regenerating ion exchange resin and also efficiently regenerate it. Raw water first enters a branch valve 1, and there is branched to two directions of a regenerant case inlet passage 4 and an...
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JP2965806B2 |
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JP2962175B2 |
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JPH11276911A |
To provide a rising flow regenerating method of a double-layered bed anion exchange resin capable of lowering a silica leak amount in a collected water after regeneration even if the anion exchange resin low in specific gravity is subjec...
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JPH11267642A |
To provide a convenient ion exchange resin water softener which regenerates an ion exchange resin by introducing a common salt to a vessel contg. the ion exchange resin while automatically fusing the common salt by the stream of city wat...
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JP2957054B2 |
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JPH11255885A |
To provide a process for removing the sodium once more which derives from a catalyst after transesterification with minimum facilities. For producing a hydroxyl group-containing polymer, especially a polytetrahydrofuran containing a hydr...
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JP2950664B2 |
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JP2950621B2 |
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JP2941988B2 |
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JP2941121B2 |
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JP2940651B2 |
PURPOSE: To reduce the regeneration time of a resin to a large extent and to make the purity of treated water extremely high by closely packing the spaces of cation and anion exchange towers with respective resins and treating raw water ...
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JP2940648B2 |
PURPOSE: To unnecissitate backwash and to reduce regeneration time by installing a membrane separation device for preventing the inflow of turbid components in the first part of a demineralizer. CONSTITUTION: In the first part of a demin...
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JPH11509526A |
(57) [Summary] N-alkylpolyhydroxyalkylamines such as N-methylglucamine with a Gardner chromaticity of less than 1 and aliphatics such as methylesters, anhydrides and / or fatty acids with a permeability greater than 98% at 460 nm. The ac...
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JPH11226571A |
To make the regeneration of ion exchange resins simple and efficient in a water treatment apparatus equipped with a water softening means using the ion exchange resins and a water purifying means such as active carbon. An apparatus is eq...
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JP2937431B2 |
PURPOSE:To accurately discriminate a boundary surface by respectively counting the number of ion exchange resins within a predetermined region in a horizontal direction at many positions in a vertical direction from imaging data and sett...
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JPH11216373A |
To prevent the generation of eluted substances from ion exchange resins by setting the temperature of water contacting the resins at a specified value when condensed water is desalted to regenerate the resins which caught hydrazine. The ...
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JPH11216372A |
To provide a method for preventing the oxidative deterioration of a cation exchange resin by an oxidizing agent such as hydrogen peroxide or the like by bonding a fine particlate metal oxide to an ion exchange resin. A fine particlate me...
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JPH11207193A |
To provide a sodium chloride regenerating vessel convenient for regenerating an ion exchange resin by directly connecting a double tube type built-in vessel, in which sodium chloride is housed to a water softener and introducing sodium c...
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JPH11207191A |
To separate a mixed resin of an anion exchange resin with a cation exchange resin into the anion exchange resin from a mixed bed column and the cation exchange resin without mixing with each other and particularly to reduce the quantity ...
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JPH11207192A |
To obtain a preserving method of a mixed bed capable of suppressing the degradation of performance of an ion exchange resin constituting a mixed bed. In the preservation of the mixed bed in a state that the water supply to the mixed bed ...
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JPH11197661A |
To prevent the lowering of the desalting capacity of the ion exchange resin in a condensed water desalting tower while ensuring the healthiness of water quality. A resin keeping tank 29 is connected to a condensed water desalting tower 1...
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JPH11192438A |
To activate and regeneration ion exchange resin within a water softener while dissolving sodium chloride by directly coupling a vessel containing sodium chloride having a switching valve and a U-shaped pipe having a suction and exhaust p...
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JP2597552Y2 |
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JP2898125B2 |
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JP2896418B2 |
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JPH11128755A |
To reduce the frequency of putting salt into a brine tank and thereby make the maintenance and repair services for a water softener easy by discharging an initial drain after the start of a regeneration step until a specified time is rea...
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JP2891820B2 |
PURPOSE:To improve the quality of demineralized water of a condensation demineralization plant by feeding alkali regenerating agent, while a thin liquid layer of the regenerating agent is being formed over anion-exchange resins without f...
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JP2891827B2 |
Monitoring and controlling the reactivation of an alkanolamine solution containing heat-stable salts of such alkanolamine with stronger acid anions and weaker acid anions by contacting the alkanolamine solution (a) with a strong base ani...
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JP2892827B2 |
PURPOSE:To enable processing also week ion components efficiently by providing an ion exchange resin recovery means to guide hot water during the recovery of ion exchange resin in a desalting device provided inside with ion exchange resi...
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JP2891790B2 |
PURPOSE:To efficiently release a T.O.C. component -2 absorbed on an anion exchange resin and to minimize the accumulation by first bringing the anion exchange resin for pure water manufacture into contact with an acid solution after the ...
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JP2888686B2 |
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JPH11114432A |
To provide a method by which the quantity of pure water to be consumed for ion exchange resin regeneration can significantly decreased. This method comprises a first process of leading a treated liquid from which a target ion is removed ...
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