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WO/2011/117536A1 |
The present invention relates to a composition for regenerating resins, particularly cation exchange resins used in water softeners. The alkali metal chloride composition also comprises an alkylether carboxylic acid and an alkali metal c...
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WO/2011/102479A1 |
In a process for producing an aromatic carboxylic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidat...
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WO/2011/102480A1 |
In a process for producing a terephthalic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidation reac...
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WO/2011/101342A1 |
The invention relates to a method for separating fluorinated acids, in particular perfluorocarboxylic acids and perfluorosulfonic acids or the salts thereof from diluted aqueous solutions with the aid of anion exchangers.
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WO/2011/096448A1 |
Provided is a method of recovering anionic fluorinated emulsifiers, said method being capable of easily and efficiently recovering anionic fluorinated emulsifiers to which a basic ion exchange resin has been adsorbed. The basic ion excha...
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WO/2011/070798A1 |
Disclosed are: a metal recovery method which can separate and recover a metal from wastewater rapidly and in a large quantity; a substance for use in the separation of a metal; and a water purification device utilizing the substance. Spe...
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WO/2011/052505A1 |
A water processing device (1) includes a purification unit (4) in which an ion trap unit (3) is provided that traps ions in raw water by making the raw water contact an ion-exchange resin (3a). In the water processing device (1), the ion...
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WO/2011/050607A1 |
A control valve for a water softener comprises a motorised valve (202), a control circuit board (201) and two conductivity probes (101, 103). The motorised valve (202) is provided with a salt-absorption/water-refill port (601) and couple...
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WO/2011/045912A1 |
Disclosed is a novel adsorbent having high boron adsorption capacity and having resistance against an alkali and an acid. Specifically disclosed is a boron adsorbent represented by general formula (1) (wherein R1 represents a hydrogen at...
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WO/2011/043062A1 |
Disclosed is a water treatment device characterized by comprising a control means (30) which repeats processes of causing a first water softening means (5) to perform a water softening treatment of a predetermined flow rate, stopping the...
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WO/2011/040278A1 |
Provided is an ion-exchange device including a column in which an anion-exchange resin and a cation-exchange resin are prevented, without fail, from being reversely regenerated. With the device, it is possible to produce high-quality dei...
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WO/2011/038198A1 |
Provided according to some embodiments of the invention are anion exchange polyelectrolytes that include an at least partially fluorinated polyaromatic polymer backbone; and at least one cationic functional group pendant therefrom. Also ...
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WO/2011/016197A1 |
A washing machine provided with: a washing tub; a water tub; a drive unit; a water supply unit; a water drain unit; a water softening unit provided between the water supply unit and the water tub and loaded with a weakly acidic cation ex...
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WO/2010/145834A2 |
In a method for removing ions from a liquid, the liquid flows through at least one ion exchanger in a charging zone, wherein the ion exchanger is charged with ions and ions are removed from the liquid. Further, the ion exchanger is elect...
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WO/2010/064149A9 |
The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include at least one resin tank including an ion exchange resin configured to targe...
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WO/2010/125298A1 |
The invention relates to an ironing appliance comprising a water tank (10; 110; 210), a steam generator (11; 111; 211) and a supply circuit connecting said water tank to said steam generator (11; 111; 211), said supply circuit including ...
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WO/2010/103640A1 |
Even in the case of using a raw water with bad qualities as the extrusion water, a processed water having a purity not exceeding the allowable leakage hardness can be surely acquired. At the same time, the water can be collected in a com...
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WO/2010/104097A1 |
A filtration membrane (10) comprises a membrane body (1) having multiple pores (3) for filtering raw water, and a particle layer (6) for removal of impurities contained in raw water that adhere to and accumulate on a surface (8) of the m...
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WO/2010/071080A1 |
Disclosed is an adsorbent material which has both excellent trapping ability due to hydrophobic interaction and excellent trapping ability due to ion exchange, and which can efficiently trap and release the intended component in a soluti...
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WO/2010/066040A1 |
A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the cation exchange resin is regenerated using sulfurous acid reflux.
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WO/2010/064143A2 |
The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include a vacuum filter band system configured to receive a saturated ion exchange ...
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WO/2010/056861A1 |
Methods, systems and compositions for recovery of regenerant ions from spent regenerant solution by utilization of electrodialysis are provided. For example, in certain aspects methods for separating spent regenerant using an electrodial...
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WO/2010/045934A2 |
The invention relates to a method for operating a water softening system (31), the water softening system (31) comprising – a softening apparatus, comprising in particular at least one tank (32a, 32b) having an ion exchange resin, - a ...
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WO/2010/025697A1 |
The invention relates to a method for operating a water softening system (1) comprising – an automatically adjustable blending device for mixing a blended water flow V(t)Verschnitt from a first, softened partial flow V(t)teil1weich and...
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WO/2010/023288A1 |
A process for obtaining a metalloaluminophosphate (MeAPO) molecular sieve comprising the following steps in the order given: a), providing an aqueous solution containing sources of at least 2 of the following: Metals (Me), Al and P; b). ...
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WO/2010/023289A1 |
The invention relates to a process for obtaining a metalloaluminophosphate (MeAPO) molecular sieve comprising the following steps in the order given: a) providing a homogeneous solution containing sources of at least 2 of the following: ...
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WO/2010/017792A1 |
A control unit (1, 1a) for a softening apparatus (2), comprising a primary inlet (4) for untreated water, a primary outlet (7) for mixed water, a sensor for determining the water hardness of the untreated water WHroh or of the mixed wate...
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WO/2010/016410A1 |
Provided is filtration and desalination equipment which can ensure a sufficient processing capacity while reducing facility costs and building costs, and can attain good operability. Filtration and desalination equipment (10) comprises a...
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WO/2010/008055A1 |
A method for wastewater treatment is provided by which a heavy-metal compound derived from a process for producing an aromatic carboxylic acid can be efficiently recovered from a wastewater containing the heavy-metal compound. The metho...
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WO/2010/001728A1 |
Provided is a method for quickly separating radioactive copper from nickel containing radioactive copper and radioactive cobalt. The nickel that contains radioactive copper and radioactive cobalt is dissolved in an acidic solution and pa...
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WO/2009/133251A1 |
The invention relates to a water treatment device wherein the water being treated is contacted with the treatment medium (4), which is regularly regenerated, optionally using a regeneration medium (19), and a controller (48) is used ther...
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WO/2009/126579A2 |
A water purification system and method includes a first delivery pump to maintain a flow of water into a multi media filter, which filters the pumped water, which is then pumped by a reverse osmosis pump through a plurality of reverse os...
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WO/2009/108993A1 |
A process for the treatment of solutions or slurries containing dissolved metals comprises the steps of (a) contacting the solution or slurry with an ion exchange resin that selectively removes one or more dissolved metals from the solut...
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WO/2009/071066A2 |
In summary, in order to detect the hardness of water using the electrical conductivity of raw water in a water softening device (1) that divides an approaching raw water stream V(t)raw into two partial streams V(t)partial1soft, V(t)parti...
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WO/2009/066461A1 |
Disclosed is a method for replacing interlayer ions that can efficiently replace interlayer anions of a hydrotalcite-like substance. Also disclosed is an apparatus for replacing interlayer ions. In the method, the amount of cations, whic...
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WO/2009/028944A1 |
The present invention relates to a process for separating a charged species from an aqueous system, wherein the process comprises the following steps: (a) a first aqueous system comprising the charged species is contacted at a first temp...
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WO/2009/010209A1 |
The invention relates to a method of regenerating anion exchangers which are loaded with hexachlorostannate.
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WO/2008/157025A1 |
An improved method of preparing an ion exchange resin catalyst by partial neutralization of the ion exchange resin catalyst with a promoter. The promoter and a fluid are introduced into a vessel or a reactor which is partially filled wit...
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WO/2008/151071A1 |
The present invention includes compositions and methods for delivering one or more unit dosage units by modifying the release profile of an optionally coated drug-resin complex suspended in an ionic salt solution, wherein the optionally ...
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WO/2008/133322A1 |
A method for the treatment of tetraalkylammonium ion-containing development waste liquor by conducting successively the conversion step of bringing an acid into contact with a cation-exchange resin or a chelating resin to convert the res...
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WO/2008/125395A1 |
The invention relates to a method for the removal of ions from mineral water and drinking water by treatment with a water insoluble polymer based on basic N-vinyllactam.
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WO/2008/115121A1 |
Phosphorous ions are extracted (210) from solutions by adsorbing phosphorous ions in a scavenger and by releasing the phosphorous ions into an eluate during regeneration (230) of the scavenger. The regeneration (230) is performed by ammo...
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WO/2008/078668A1 |
Makeup water is treated through, arranged in sequence, water softening unit (53) with a resin unit group including multiple resin units filled with a sodium cation exchange resin, crossflow filter unit (55) with a reverse osmosis membran...
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WO/2008/048845A2 |
The disclosed invention is a fixed bed ion exchange system from removing cations from water. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin...
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WO/2008/034995A1 |
The present invention relates to an agent for the preventive and/or curative cleaning of materials in contact with water, characterised in that it comprises sodium chloride and at least one dispersant detergent and/or a non-ionic surfact...
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WO/2008/019468A1 |
A process for obtaining one or more than one salt of an organic acid(s), or organic acid(s), from an aqueous sugar stream comprising one or more than one mineral acid and the organic acid(s) is provided. The process comprises introducing...
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WO/2008/016671A2 |
A water purification system having a porous anode electrode (21) and a porous cathode electrode (20), each of which is made of graphite, at least one metal oxide, and an ion-exchange, cross-linked, polarizable polymer, and optionally com...
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WO/2007/140150A1 |
Improved systems and methods for removing the load of perchlorate and other oxyanions off of ion exchange resins through bioregeneration are disclosed. The improved systems and methods rely upon direct contact between the resin and a liq...
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WO/2007/104134A2 |
A method for the removal of an amine captureable gas from a feed gas stream using an amine solvent, the method comprises (a) contacting the feed gas stream with a lean amine solvent to form a rich amine solvent, wherein heat stable salts...
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WO/2007/058314A1 |
Deep seawater is defined as seawater deeper than 200 m below the surface (the compensation depth) where sun’s rays cannot reach. Because of having favorable characteristics such as high stability at low temperatures, high cleanness, eu...
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