Patent application number | Description | Published |
20080216484 | MAGNETIC REFRIGERATING MATERIAL AND MAGNETIC REFRIGERATING DEVICE - A magnetic refrigeration material includes: at least one selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Tb by a range of 4 to 15 atomic percentages; at least one selected from the group consisting of Fe, Co, Ni, Mn and Cr by a range of 60 to 93 atomic percentages; at least one selected from the group consisting of Si, C, Ge, Al, Ga and In by a range of 2.9 to 23.5 atomic percentages; and at least one selected from the group consisting of Ta, Nb and W by a range of 1.5 atomic percentages or less, wherein the magnetic refrigeration material includes a NaZn | 09-11-2008 |
20080236171 | MAGNETIC REFRIGERATING DEVICE AND MAGNETIC REFRIGERATING METHOD - A magnetic refrigerating device includes: at least one set of double-structured Halbach type magnet including a ring-shaped inner Halbach type magnet and a ring-shaped outer Halbach type magnet which are coaxially arranged one another so that a magnetic field generated by the inner Halbach type magnet is superimposed with a magnetic field generated by the outer Halbach type magnet; a magnetic refrigerant or a magnetic refrigeration working chamber including the magnetic refrigerant therein disposed in a bore space of the inner Halbach type magnet; and a rotating mechanism to rotate the outer Halbach type magnet while the inner Halbach type magnet is stationed. | 10-02-2008 |
20090019860 | MAGNETIC MATERIAL FOR MAGNETIC REFRIGERATION - A magnetic material for magnetic refrigeration has a composition represented by (R1 | 01-22-2009 |
20090321363 | FUNCTIONAL PARTICLES AND WATER TREATMENT METHOD EMPLOYING THE SAME - The present invention provides functional particles capable of effectively adsorbing impurities in water treatment. The particles can be rapidly separated by use of magnetic force, and hence are excellent in workability. They are magnetic particles having surfaces modified with amphipathic groups loaded thereon. The amphipathic group comprises an ammonium or carboxylate group as a hydrophilic moiety and a hydrocarbon group as a hydrophobic moiety. The hydrophobic moiety has a function of adsorbing the impurities, and the hydrophilic moiety has a function of dispersing the particles stably in water. | 12-31-2009 |
20100059448 | MAGNETIC PARTICLES FOR WATER PURIFICATION AND WATER TREATMENT METHOD EMPLOYING THE SAME - The present invention provides a water treatment composition capable of effectively adsorbing pollutants in water treatment. The composition can be rapidly separated by use of magnetic force, and hence is excellent in workability. The composition comprises magnetic particles for water purification, and is suitably used in water treatment for removing oils and the like in water. The magnetic particles are prepared by subjecting magnetic powder to surface treatment with a particular organometallic compound. The organometallic compound comprises a metal atom connected to an alkoxy group and an amphipathic organic group. | 03-11-2010 |
20100072140 | WATER PURIFICATION MATERIAL AND WATER PURIFICATION METHOD EMPLOYING THE SAME - The present invention provides a water purification material capable of selectively adsorbing phosphorus dissolved in wastewater, and also provides a water purification method employing the material. The water purification material comprises a composite metal hydroxide containing iron ions and calcium ions in its structure, and this composite metal hydroxide has a layered structure. In the water purification method of the present invention, the water purification material is brought into contact with wastewater so as to remove and recover phosphate ions in the wastewater. | 03-25-2010 |
20100224566 | ADSORBENT, METHOD FOR RECOVERING AN ORGANIC MATTER AND METHOD FOR RECOVERING AN OIL - An adsorbent includes: at least one of an inorganic particle and a metallic particle as a core; at least two kinds of polymers, which cover a surface of the core, with respective different surface tensions; and a convex-concave surface structure formed due to a difference in surface tension between the at least two kinds of polymers. | 09-09-2010 |
20100230358 | OIL ADSORBENT, AND METHOD FOR RECOVERING THE SAME - An oil adsorbent includes a plurality of particles, each being constituted from at least one of an inorganic particle and an organic particle as a core and a polymer covering the core. The plurality of particles are aggregated to form an aggregate so that a porosity of the aggregate is 70% or more. | 09-16-2010 |
20100300948 | WATER TREATMENT EQUIPMENT - According to one embodiment, water to be treated is passed through each of a first reactor vessel and second reactor vessel, phosphorus contained in the water is removed by using an adsorbent, thereafter the liquid held in each of the reactor vessels is discharged from each of a first treated water discharge path and second treated water discharge path, and thus the influence of soluble impurities derived from the water is eliminated. Further, when suspended solids impurities contained in the water are accumulated in the phosphorus adsorbent, the accumulated impurities are eliminated by a reverse cleaning operation using a liquid to be thereafter introduced from a reactor vessel liquid introduction path into the reactor vessel, and hence the influence of the suspended solids in the water on a desorption agent liquid to be thereafter introduced into a crystallization vessel, and containing phosphorus from the phosphorus adsorbent is eliminated. | 12-02-2010 |
20100300949 | WATER TREATMENT EQUIPMENT - According to one embodiment, in order to eliminate impurities, and the like, water to be treated is passed through each of reactor vessels, phosphorus contained in the water to be treated is removed by using an adsorbent, and thereafter the liquid held in each of the reactor vessels is discharged through each of first to third treated water discharge paths, thereby eliminating the impurities, and the like derived from the water to be treated. It is possible to eliminate the influence of the impurities in the water to be treated on the discharged desorption agent liquid containing phosphorus from the phosphorus adsorbent can be eliminated, and hence it is possible to obtain a phosphorus-containing liquid containing no substance other than the recovered phosphoric matter material. | 12-02-2010 |
20110056878 | MEMBRANE FILTRATION SYSTEM - According to one embodiment, a membrane filtration system includes a raw water tank, a first tank, a second tank, a nanofiltration membrane module comprises a nanofiltration membrane, and removes the solute from the raw water with a solute removal rate of 1% to 30%, a first pump for supplying the raw water from the raw water tank to the module to cause the raw water to permeate through the membrane and send the water that has permeated through the membrane as a primary water to the first tank, a RO module comprises a RO membrane that further removes the solute from the primary water, and a second pump for supplying the primary water from the first tank to the RO module to cause the primary water to permeate through the membrane and send the water that has permeated through the membrane as a secondary water to the second tank. | 03-10-2011 |
20110253632 | OIL ADSORBENT, AND METHOD FOR RECOVERING OIL - An oil adsorbent is configured so as to include: at least one particle of an inorganic particle and a metallic particle, at least one particle constituting a core; and a polymer covering the core, wherein the polymer is a copolymer made of at least one substance selected from the group of molecular structure A consisting of styrene, butadiene, isoprene, ethylene and propylene and at least one substance selected from the group of molecular structure B consisting of acrylic acid, methacrylic acid, acrylonitrile, vinylpyridine, vinyl alcohol, maleic anhydride and maleic acid. | 10-20-2011 |
20120024027 | WATER PURIFICATION MATERIAL, WATER PURIFICATION METHOD, PHOSPHATE FERTILIZER PRECURSOR, AND METHOD FOR MANUFACTURING A PHOSPHATE FERTILIZER PRECURSOR - There is provided a water purification material including: a composite metal hydroxide exhibiting a layered structure and including iron ions, calcium ions, and at least one of nitrogen ions and sulfur ions; and at least one of calcium hydroxide and ferric hydroxide, in which a main peak intensity due to at least one of the calcium hydroxide and the ferric hydroxide measured by x-ray crystal structure analysis is equal to or less than half a main peak intensity due to the layered structure of the composite metal hydroxide. | 02-02-2012 |
20120035281 | PHOSPHORUS-ADSORBING MATERIAL AND PHOSPHORUS RECOVERY SYSTEM - A phosphorus-adsorbing material is produced to include a polymer-based material modified with at least either of a primary and a secondary amine and a metal supported on the polymer-based material, and a phosphorus recovery system is structured by using the phosphorus-adsorbing material. | 02-09-2012 |
20120172215 | OIL ADSORBENT AND METHOD OF MANUFACTURING OIL ADSORBENT - According to one embodiment, an oil adsorbent includes inorganic particles and a polymer formed on surfaces of or between the inorganic particles. The content rate of the inorganic particles is 50% by volume or more and 97% by volume or less relative to the inorganic particles and the polymer, and an area of the inorganic particles is 30% or more and 60% or less relative to a cross-section of the inorganic particles and the polymer. | 07-05-2012 |
20120205309 | METHOD AND DEVICE FOR SEPARATING SOLVENT FROM LIQUID INCLUDING SOLVENT AND SOLUTE - According to one embodiment, a method for separating a solvent from an object solution includes the solvent and a solute is provided. The method includes preparing a forward osmosis membrane having a first surface and a second surface, and contacting the first surface of the membrane with the object solution and contacting the second surface with a liquid for collection. A substance having solidity is configured to exert a force for transferring the solvent in the object solution to the membrane, and disposed on the second surface of the membrane and/or dispersed in the liquid for collection to transfer the solvent in the object solution from the first surface to the liquid for collection. | 08-16-2012 |
20120225957 | METHOD FOR RECOVERING A BORON ADSORBENT - The present embodiment relates to a method for recovering a boron adsorbent, including: preparing water having an electric resistivity of 0.01 MΩ·cm or more and kept at a temperature within a temperature range; and contacting the water with the boron adsorbent to release boron adsorbed at the boron adsorbent. | 09-06-2012 |
20120234764 | METHOD FOR TREATING BORON-CONTAINING WATER AND APPARATUS FOR TREATING BORON-CONTAINING WATER - There is provided an efficient treatment method for boron-containing water capable of reducing an amount of use of medical agent and an amount of generation of sludge. A treatment method for boron-containing water of an embodiment includes a first process of concentrating boron-containing water to obtain boron-concentrated liquid. Further, the method includes a second process of making the boron-concentrated liquid to be brought into contact with a layered inorganic hydroxide, and making the layered inorganic hydroxide adsorb boron in the boron-concentrated liquid to remove boron. | 09-20-2012 |
20120325731 | WASTEWATER TREATMENT METHOD - A wastewater treatment method in an embodiment includes: mixing primary aggregates made of magnetic substances and a dispersion medium to make a suspension; and passing the suspension through a filter to allow the primary aggregates to remain on the filter and to form a secondary aggregate made of an aggregate of the primary aggregates. Further, the wastewater treatment method in the embodiment includes; passing wastewater through the secondary aggregate to remove suspended solids and oil in the wastewater; dispersing the secondary aggregate in a dispersion medium to decompose the secondary aggregate into the primary aggregates and to wash the primary aggregates; and collecting the primary aggregates with magnetic separation. | 12-27-2012 |
20130118968 | IODINE ADSORBENT AND COLUMN FOR WATER TREATMENT USING IODINE ADSORBENT - An iodine adsorbent of an embodiment includes: a carrier modified with a functional group represented by a formula (1); and a silver ion supported on the carrier, | 05-16-2013 |
20130187086 | PHOSPHORUS-ADSORBING MATERIAL AND PHOSPHORUS RECOVERY SYSTEM - A phosphorus-adsorbing material is produced to include a polymer-based material modified with at least either of a primary and a secondary amine and a metal supported on the polymer-based material, and a phosphorus recovery system is structured by using the phosphorus-adsorbing material. | 07-25-2013 |
20130248432 | WATER TREATMENT EQUIPMENT - According to one embodiment, water to be treated is passed through each of a first reactor vessel and second reactor vessel, phosphorus contained in the water is removed by using an adsorbent, thereafter the liquid held in each of the reactor vessels is discharged from each of a first treated water discharge path and second treated water discharge path, and thus the influence of soluble impurities derived from the water is eliminated. Further, when suspended solids impurities contained in the water are accumulated in the phosphorus adsorbent, the accumulated impurities are eliminated by a reverse cleaning operation using a liquid to be thereafter introduced from a reactor vessel liquid introduction path into the reactor vessel, and hence the influence of the suspended solids in the water on a desorption agent liquid to be thereafter introduced into a crystallization vessel, and containing phosphorus from the phosphorus adsorbent is eliminated. | 09-26-2013 |
20140042089 | DESALINATION TREATMENT MEMBRANE, DESALINATION TREATMENT METHOD, AND DESALINATION TREATMENT APPARATUS - According to one embodiment, a desalination treatment membrane includes a desalting membrane and a base material disposed in close contact with the desalting membrane, the base material being subjected to a silane coupling treatment. | 02-13-2014 |
20140083930 | DESALINATION TREATMENT MEMBRANE - According to one embodiment, a desalination treatment membrane includes a desalting membrane and a base material which is disposed in close contact with the desalting membrane, wherein a solid salt is fixed to the base material by a graft-polymerization. | 03-27-2014 |
20140116067 | MAGNETIC MATERIAL FOR MAGNETIC REFRIGERATION - Magnetic materials, having: a composition represented by a general formula: | 05-01-2014 |
20140138956 | OSMOTIC PRESSURE ELECTRIC POWER GENERATION METHOD, OSMOTIC PRESSURE ELECTRIC POWER GENERATION APPARATUS AND OSMOTIC PRESSURE GENERATOR USED THEREFOR - According to one embodiment, an osmotic pressure power generation method includes the steps of bringing fresh water and salt water to each other while interposing an osmosis membrane, bringing an osmotic pressure inducer into contact with a salt water-side surface of the osmosis membrane to allow the fresh water to permeate at least the osmosis membrane by an osmotic pressure, and rotating a rotor by a water pressure generated by the osmotic pressure, thereby generating power. | 05-22-2014 |