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Matches 1 - 50 out of 2,039

Document Document Title
WO/2019/087762A1
Provided are a method and system for recovering an acidic gas whereby metal ions such as iron ion, a heavy metal ion, etc. in an amine absorbing solution can be quantified within a short period of time at a high accuracy and a factor whi...  
WO/2019/013155A1
The present invention addresses the problem of providing a filter unit used for refining in order to obtain a chemical having excellent defect control performance. The present invention also addresses the problem of providing a refining ...  
WO/2018/221502A1
The present invention is provided with: a resin structure (2) having a net-like compartment wall (4) that form numerous movable regions (3); and at least one adsorbent material (1) encapsulated in the movable regions (3) of the resin str...  
WO/2018/174148A1
Provided is a method for smelting a metal oxide ore for obtaining a metal sulfide, wherein the method makes it possible to efficiently recover a fine metal sulfide included in an overflow solution and reduce the recovery cost of metal co...  
WO/2018/162396A1
Cross-linked copolymers in the form of dense or porous membranes (films) and their application as colorimetric sensors of divalent metals and/or oxidising anions in aqueous media, such as for example in drinking and industrial water, and...  
WO/2018/116274A1
The invention is directed to a body comprising oxides of lanthanides, in particular holmium oxide (Ho2O3), which are supported on a sulphur containing carbon based particle and to a process for producing said body.  
WO/2018/096700A1
Provided is a system for producing ultrapure water, said system being provided with a pre-treatment system, a primary purification system, and a secondary purification system in the stated order, wherein: the primary/secondary pure water...  
WO/2018/043462A1
The present invention relates to an ion exchange fiber which is provided with a core fiber and an ion exchange layer that is arranged around the core fiber and contains a crosslinked polymer compound having an ion exchange group, and whi...  
WO/2018/015693A1
A temperature-regenerated hydrophobic liquid composition comprising an extracting molecule of a non-alkaline cationic species, a solvating molecule of a complimentary anionic species and a fluidizing agent, wherein said composition is ch...  
WO/2017/182650A1
The invention relates to a water processing device for removing micro-pollutants, in particular medicaments, from water. Said device comprises a housing (48a – 48d) and at least one absorption unit (18a – 18d) which is arranged in th...  
WO/2017/126355A1
To develop: an iminodiacetic acid type chelate resin which is able to be easily and efficiently produced and is capable of efficiently adsorbing and separating metal ions; and a method for producing this iminodiacetic acid type chelate r...  
WO/2017/094308A1
Provided is a sulfurizing agent removal method that effectively removes dilute sulfurizing agents such as hydrogen sulfide from large volume solutions more efficiently than in the past. This sulfurizing agent removal method is a method f...  
WO/2017/085312A1
The invention relates to an organic material which includes a solid polymer substrate onto which molecules having the following general formula (I) are grafted: Formula (I) in which: m = 0, 1 or 2; R1 and R2 = a saturated or unsaturated,...  
WO/2017/046625A1
The present invention relates to a method of preparing a solid-phase bound multimeric chelator where the chelator is coupled via one carboxylic group. The chelator consists of aminopolycarboxylic acid, connected to other aminocarboxylic ...  
WO/2017/013110A1
The present invention relates to aluminum-doped, iminoacetic acid group-containing chelate resins, to a method for producing aluminum-doped, iminoacetic acid group-containing chelate resins, and to a device which contains at least one al...  
WO/2017/002871A1
The purpose of the present invention is, in a reaction method in which a liquid that includes a reaction target is reacted by contact with a granular porous body, to reveal the relationship between contact time and optimal granule sizes,...  
WO/2016/143876A1
Provided is a substance separation membrane (in particular, gas separation membrane) obtained using a ligand compound capable of producing the MOP. Also provided is a single-hole or multi-hole coordination polymer which comprises metal i...  
WO/2016/102491A1
The invention relates to a method for producing amino methylated bead polymerizates using condensed formaldehydes and carboxylic acid anhydrides.  
WO/2016/102487A1
The invention relates to a method for producing amino methylated bead polymerizates from N-carboxylic acid methylphthalimide esters, said polymers being used as anion exchangers or can be transformed further into chelate resins.  
WO/2016/037181A1
The present invention relates to metal complexes and methods of synthesizing the metal complexes. The invention is further directed to pharmaceutical and/or dietary supplement composition comprising compounds synthesized as described her...  
WO/2016/036320A1
The invention relates to a method for removing cesium from a waste material. In particular, the removal of cesium from the waste material is achieved by the use of herein disclosed macrocyclic aromatic pentamers.  
WO/2016/026804A1
The invention relates to sulfonated aminomethylated chelate resins, to a method for producing same, to the use thereof for obtaining and purifying metals, in particular rare earth metals, from aqueous solutions and organic liquids, and f...  
WO/2015/199224A1
 Provided is a system for efficiently recovering trace metal from a large amount of a raw material, such as when trace metal is recovered from nickel oxide ore. This ion exchange resin has, on a carrier, an amide derivative represented...  
WO/2015/166415A1
The present solution relates to magnetic probes/nanoprobes (NP) for the selective enrichment of proteins. Namely, the solution relates to magnetic nanoparticles, which surface is chemically modified with metal ion chelation groups. The u...  
WO/2015/129559A1
Provided are a metal adsorbent having a nonwoven fabric form, for use in adsorption and recovery of metals in solution, wherein the metal adsorbent having a nonwoven fabric form is produced by passing through: a) a step for preparing a p...  
WO/2015/118002A1
The present invention relates to aluminum-doped, iminodiacetic acid group-containing chelate resins, to a method for producing aluminum-doped, iminodiacetic acid group-containing chelate resins, and to a device which contains at least on...  
WO/2015/018931A1
The invention relates to a method for producing monodisperse, amido-methylated vinyl-aromatic bead polymers, ion exchangers produced from said monodisperse, amido-methylated vinyl-aromatic bead polymers produced by alkaline hydrolysis, t...  
WO/2014/127860A1
The invention relates to an organic-inorganic hybrid material which comprises an inorganic solid substrate onto which are grafted organic molecules of general formula (I) hereinafter in which: x, y and z = 0 or 1, with at least one of x,...  
WO/2014/121911A1
Disclosed is a method for purifying effluents, which contain catalyser residues, from installations for producing carbocyclically aromatic mono- or polycarboxylic acids or heterocyclically aromatic mono- or polycarboxylic acids by oxidat...  
WO/2014/108681A8
There is described a method for heavymetal capture, which method comprises the step of bringing the heavy metal into contact with a chemically functionalized surface prepared by a plasma process, the surface being provided with organic f...  
WO/2014/108941A1
This water treatment method includes a first step of adding a calcium-containing inorganic substance that is insoluble in water to waste water in a reaction tank to convert fluoride ions included in the waste water to calcium fluoride, a...  
WO/2014/108681A1
There is described a method for heavymetal capture, which method comprises the step of bringing the heavy metal into contact with a chemically functionalized surface prepared by a plasma process, the surface being provided with organic f...  
WO/2014/089614A1
The present invention relates to a process, method and plant for recovering scandium and ions containing scandium using an ion exchange resin from a feed stream. The feed stream may be, but is by no means limited to, a leach liquor or le...  
WO/2014/086788A1
The invention relates to an ion exchange resin having chelating properties that is obtained by polycondensation in a base medium: - of at least a first chelating phenol monomer that has the following general formula (I): in which m = 0, ...  
WO/2014/031382A1
A method of eluting metal ions from a bed of metal-loaded chelating resin wherein the resin includes a crosslinked styrene-divinylbenzene copolymer matrix with pendent methyleneaminopyridine or phosphonic acid groups and the method inclu...  
WO/2014/021734A1
The invention relates to the field of ion exchange with the formation of a complex or chelate using complex-forming polymers and can be used in the nonferrous metallurgy and hydrometallurgy of indium, for extracting indium from waste ...  
WO/2013/168035A1
This invention discloses a process for improving the loading capacity of a molecular recognition ("MR") resin, the process including subjecting the MR resin to ultrasound treatment. This invention also discloses a method for synthesising...  
WO/2013/131762A1
The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals usin...  
WO/2013/110419A1
In a delignification of pulp with hydrogen peroxide catalysed with molybdate, molybdate can be recovered by bringing the aqueous solution containing molybdate into contact with a carrier material that comprises a layered silicate ion-exc...  
WO/2013/103607A1
A method of sorbent dialysis is provided for enhanced removal of uremic toxins, such as toxic anions and/or organic solutes, from spent dialysate. More highly adsorbable zirconium polymeric complexes of these anions and/or organic solute...  
WO/2013/092249A1
The subject matter of the present invention is a method for producing novel ion-exchange resins on the basis of cross-linked bead polymers made of acrylic compounds with thiol groups as a functional group having a high absorption capacit...  
WO/2013/028048A1
The present invention is based on the micellisation principle of water and, thus, when the latter is provided in a gel state, the separation of water from heavier lumps is facilitated and, above all, the environment is not affected, sinc...  
WO/2013/007270A1
The present invention relates to a method for removal of metal ions from an aqueous solution, which comprises contacting the aqueous solution with a phosphazene-formaldehyde resin as well as an ion exchange resin comprising a phosphazene...  
WO/2013/000567A1
The present invention relates to a cross-linked thiazolidinone chitosan dibenzo crown ether, a method for its preparation as well as its use as adsorbent.  
WO/2012/147937A1
Provided are ion-exchange fibers comprising a polymer (A), wherein an ion-exchangeable substitution group is introduced to 100 parts by weight of an acrylic polymer obtained by polymerization of a monomer composition comprising 30 wt% or...  
WO/2012/113738A1
The present invention relates to a chelating agent precursor that contains glutamic acid N,N-diacetic acid (GLDA) and/or methylglycine N,N-diacetic acid (MGDA) wherein at least one of the carboxylic acid groups is presentas a carboxylic ...  
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...  
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...  
WO/2011/067340A1
The invention relates to chelate resins containing methylene aminoethyl sulfonic acid groups, to a method for the production thereof, and to the use thereof for removing heavy metals or valuable metals from aqueous solutions having a pH ...  
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...  

Matches 1 - 50 out of 2,039