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WO/1986/003685A1 |
Structures suitable for use as ultrafiltration membranes with membranes fixed to a support, and made of crystalline-arranged and intra- and intermolecular cross-linked protein molecules or protein-containing molecules, between which thro...
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WO/1986/001744A1 |
A process for exchanging or adsorbing ions and a process for producing pure water, which comprises processing an untreated solution with an ion-exchange resin and then with ion-exchange fibers. This process makes it possible to exchange ...
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WO/1986/001127A1 |
Recovery of silver and similar metals from liquids containing such metals. These liquids which then also contain sticky or gel-forming substances which tend to clog the recovery apparatus are led through it, the apparatus including a fil...
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WO/1985/004470A2 |
In its basic embodiment, the installation is comprised of two or more pipes (30, 32) which are concentrically wound, the inner pipes traversing the outer pipes and extending beyond the latter by their ends. Said ends are connected to pip...
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WO/1985/004111A2 |
A structure usable as an ultrafiltration membrane has membranes (20) with uniform continuous pores which are linked to or into an appropriately porous carrier (21). Each of these membranes (20) consists of protein molecules or protein co...
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WO/1985/002605A1 |
A deoxygenation process includes the steps of adding hydrazine to a liquid containing dissolved oxygen, passing the liquid through a bed of activated carbon to catalyze a reaction between the dissolved oxygen and hydrazine whereby carbon...
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WO/1984/004132A1 |
Steam generating systems (20) in which steam and water wetted components are fabricated from corrosion resistant materials. This reduces the requirement for chemical feedwater treatment to removal of dissolved solids from the feedwater. ...
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WO/1984/004087A1 |
A mobile fluid purification unit (1) comprises a plurality of treatment tanks (4, 5, 6) mounted on a skid (2) and interconnected by hoses (32, 32A, 32B, 42A, 42B, 44) for series flow, parallel flow or a combination of series and parallel...
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WO/1984/003053A1 |
A modified polysaccharide material which comprises: (1) polysaccharide covalently bonded to a synthetic polymer; (2) the synthetic polymer being made from (a) a polymerizable compound which is capable of being covalently coupled directly...
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WO/1984/002854A1 |
The direction of circulating fluid flow in a closed loop simulated moving bed process is periodically reversed within a selected portion of the bed while maintaining normal flow throughout the remainder of the loop. Each selected portion...
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WO/1983/003984A1 |
Method for the treatment of a liquid phase (11) and device for implementing said method wherein, within separate electrode compartments (3, 4), various ions are produced and migrated in counter-current in a liquid while promoting an acti...
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WO/1983/001597A1 |
Composite fluorocarbon cation exchange membrane having at least two layers of fluorinated polymer containing pendant side chains with sulfonyl groups wherein the equivalent weight of one such layer differs from the adjacent layer by at l...
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WO/1982/004197A1 |
A mobile system (10) for purifying liquids, such as water, including a truck trailer (12) in which multiple purification treatment tanks (1-6) are mounted. The system includes an inlet (14), an outlet (48), conductivity measuring equipme...
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WO/1982/004265A1 |
A simulated moving bed process divides the bed into seperate zones (I, II, III, IV) each of which includes one or more descrete vessels (4). The zones (I, II, III, IV) correspond to the functions of the process; typically sorption, displ...
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WO/1982/002150A1 |
A device for water purification comprises a container having a substantially cylindrical outer envelope (2) with a cover (3) and a bottom (4). In the container (1) are arranged helical continuous partition walls (5). For providing a wate...
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WO/1982/002006A1 |
A skin-core structure, porous composite molding comprising a powdery ion-exchange type adsorbent and an ionic group-containing acrylonitrile type polymer, which has a semi-permeable skin layer having a thickness of 1 micron or less, and ...
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WO/1981/003016A1 |
The essential feature of the process according to the invention lies in that solid crystalline matters, respectively precipitates are gained from the solution by means of chemical reactions, in such a manner, that at least one of the com...
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WO/1981/002113A1 |
Method for the separation of low molecularweight aromatic compounds, e.g. vanillin and dehydrodivanillin, from lignin, alkali and from each other, in alkaline aqueous solutions by the aid of ion-exchange resin, for solving the problems c...
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WO/1980/002235A1 |
Method and apparatus for gathering valuable substances, such as uranium, gold, silver or the like from sea water. The features characterizing the invention are that the sea waves are caused, by using the energy thereof, to rush up a ramp...
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WO/1979/000920A1 |
A method and apparatus is provided for removing large volumes of contaminants or for recovering valuable minerals present in trace amounts or greater quantities by ion exchange treatment of phosphoric acid liquids or the like as they flo...
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WO/1979/000228A1 |
An engine comprising contraction-active ion-separating means. According to the invention said means consist of a plurality of folded plates (10), which at one end are attached to a stationary rigid network (11) and at their other end are...
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JP2024520291A |
The present invention relates to a process for purifying glycol ethers. In one embodiment, the process includes (a) providing a glycol ether to a first vessel, wherein the glycol ether has the formula: R1-O-(CHR2CHR3)O)nR4; (Wherein, R1i...
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JP2024068966A |
An object of the present invention is to provide a storage device in which an ion exchange section can be inserted into and taken out of a storage section via a communication section. [Solution] A storage device for storing heat exchange...
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JP2024519679A |
The present invention relates to the extraction of lithium from liquid sources such as natural and synthetic brines, steeping solutions from clays and minerals, and recycled products. [Selection diagram] Figure 1
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JP2024068470A |
The present invention provides a highly purified photosensitive resin composition by filtering a photosensitive resin composition solution used in a packaging process during semiconductor device manufacturing using a specific filter. A m...
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JP2024519411A |
A method is provided for purifying iodosilanes, such as diiodosilanes. In this method, trace amounts of certain metal ion contaminants are removed, thus providing a certain liquid composition containing iodosilane, which composition is a...
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JP7478617B2 |
Provided is a pure water production apparatus for producing pure water with a low boron concentration and TOC and a high specific resistance. This pure water production apparatus 21, which treats water to be treated to produce pure water...
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JP7478333B2 |
[Problem] To adjust hydrogen ion concentration by adjusting the ingredients of a liquid. [Solution] In the present invention, only particles with a specific size or smaller are allowed to pass through a membrane device 15 (membrane 5) by...
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JP2024060125A |
An object of the present invention is to provide an ion exchange membrane with excellent durability, and an electrodialysis device and a water electrolysis device equipped with this ion exchange membrane. According to one aspect, an ion ...
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JP7477641B2 |
The present invention provides a method for purifying a liquid to be treated, the method being capable of reducing the content of metal impurities in the liquid to be treated containing tetraalkylammonium ions, and further, being capable...
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JP7477373B2 |
To provide a method of changing the ion form of an anion exchanger easily and in a short time at a high rate while suppressing the residual of various metals.Provided is a method of changing the ion form of an anion exchanger, which is c...
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JP7477374B2 |
To provide a method of changing the ion form of an anion exchanger easily and in a short time at a high rate while suppressing the residual of various metals.Provided is a method of changing the ion form of an anion exchanger, which is c...
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JP7475857B2 |
The present invention relates to a method for producing purified water comprising a step of passing water through a mixed bed ion exchanger comprising beads having a diameter of less than 0.5 mm, as well as to a module comprising an ultr...
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JP7469737B2 |
The present invention removes metal impurities from a composition in which a material to be purified is dissolved without adsorbing and deforming an epoxy resin used as a resist underlayer film-forming composition used in a semiconductor...
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JP2024515403A |
A chip for producing lipid nanoparticles includes a mixer section that mixes a first raw material containing mRNA and a second raw material containing lipid to form a mixed solution, and a mixer section that is connected to the mixer sec...
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JP7462930B2 |
To provide a sheet-like ion exchanger having excellent handleability and metal ion exchangeability, and a method for producing a sheet-like ion exchanger having excellent handleability and metal ion exchangeability.A sheet-like ion excha...
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JP2024042940A |
An object of the present invention is to provide a metal impurity acquisition method and a metal impurity acquisition apparatus that can stably and safely acquire low concentration metal impurities in an organic solvent. [Solution] An ad...
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JP7455125B2 |
A process for recovery of lithium ions from a lithium-bearing brine includes contacting the lithium-bearing brine with a lithium ion sieve (where that LIS includes an oxide of titanium or an oxide of niobium) in a first stirred reactor t...
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JP7454423B2 |
To provide an anion exchange membrane which has high adhesion between a polyolefin-based woven fabric and an anion exchange resin.An anion exchange membrane has a polyolefin-based base material and an anion exchange resin, and contains a...
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JP7454330B2 |
A method of removing boron from water to be treated includes subjecting the water to be treated to reverse osmosis membrane treatment, subjecting at least part of permeated water after the reverse osmosis membrane treatment to cation-rem...
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JP2024038541A |
The present invention provides a water softening device capable of suppressing clogging of a trapping section during an ion exchange resin regeneration process. [Solution] The water softening device includes a water softening tank that s...
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JP2024036140A |
[Problem] To reduce costs and reduce environmental impact while maintaining the quality of ultrapure water produced. [Solution] An ultrapure water production device 1 includes an ion exchange device unit 10 including a first ion exchange...
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JP7446155B2 |
To provide an ion exchange apparatus hardly deteriorating liquid flow of a regeneration liquid, dispensing with a ceramic bead when regenerating an ion exchange resin.The ion exchange apparatus 1 includes: a filled part 10 filled with an...
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JP2024030767A |
The present invention provides a sewage treatment device and a sewage treatment method that can efficiently remove soluble organic components such as chromaticity components, BOD components, and COD components in raw water. [Solution] A ...
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JP2024030563A |
An object of the present invention is to provide a maintenance method for a cooling system that can sufficiently adsorb thermal deterioration product ions and ions eluted from piping while maintaining the rust prevention ability of a coo...
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JP7441429B2 |
Strongly acidic cation-exchange resins, chelate resins, weakly acidic cation-exchange resins, etc. have conventionally been used for removing metal ions present in aqueous solutions. However, there are problems in that strongly acidic ca...
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JP7437276B2 |
To provide an analysis method for an ion exchanger which does not generate toxic gases by mixing mineral acid used as eluate and organic solvent or does not mix the organic solvent with the eluate in analyzing an adsorption state of an i...
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JP7433702B2 |
To provide an ion exchange unit capable of saving space and changing a size of an area in which an ion exchange resin is housed.There is provided an ion exchange unit that removes ions from water, including a deformable tubular container...
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JP2024018193A |
An object of the present invention is to shorten the start-up time for a liquid purification device to reach a state where it can purify a non-aqueous solvent. [Solution] A method for starting up a liquid purification device 10 is a meth...
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JP2024018194A |
[Problem] To measure the water concentration in a non-aqueous solvent in real time with high accuracy. [Solution] The method for measuring moisture in a non-aqueous solvent includes the steps of preparing a calibration curve in advance t...
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