摘要:
A metal suboxide having a specific surface area of greater than or equal to about 1.5 m2/g is prepared by preparing a metal suboxide precursor, and heat-treating the metal suboxide precursor.
摘要:
A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path.
摘要:
A draw solute for forward osmosis may include a copolymer including a first structural unit where a temperature-sensitive side chain is graft polymerized, and a second structural unit including a hydrophilic functional group. The temperature-sensitive side chain may include a structural unit for a side chain including a temperature-sensitive moiety.
摘要:
A capacitive deionization device includes; at least one flow path configured to receive influent fluid, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, at least one electrolyte solution disposed between at least one of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, and at least one electrolyte compensation device in fluid communication with the at least one electrolyte solution, wherein the at least one electrolyte solution differs from the influent fluid.
摘要:
A supercapacitor which includes a cathode, an anode, a separator interposed between the cathode and the anode, and an electrolyte interposed between the cathode and the anode to allow current to flow. The cathode includes a catalyst having characteristics of a pseudo capacitor and a binder, and an electrochemical apparatus for water purification including the same.
摘要:
An electrode for a fuel cell, a method of preparing the same, and a fuel cell employing the same. More particularly, provided are an electrode for a fuel cell, including a catalyst layer including a supporting material, a catalyst, and a binder, wherein the specific surface area of the supporting material is at least 500 m2/g, and wherein the binder includes an amount of fluorinated ethylene propylene copolymer in the range of 0.5 to 50 parts by weight based on 100 parts by weight of the total amount of the supporting material and the catalyst, a method of preparing the same, and a fuel cell employing the same. The electrode has superior water repellency even when a relatively small amount of binder is used compared to a conventional electrode, and as a result, efficiency of a supported catalyst is maximized.
摘要:
A draw solute for forward osmosis may include a copolymer including a first structural unit, where a temperature-sensitive side chain is graft polymerized, and a second structural unit including a hydrophilic functional group. The temperature-sensitive side chain may include a structural unit for a side chain including a temperature-sensitive moiety. The temperature-sensitive moiety may be represented by Chemical Formula 1, Chemical Formula 2, or Chemical Formula 3: wherein R1 and R2 are each independently hydrogen or a linear or branched C3 to C5 alkyl group, provided that at least one of R1 and R2 is not hydrogen, R3 is a C3 to C5 alkylene group, and R4 is a linear or branched C3 to C5 alkyl group. The draw solute may be used to form an osmosis draw solution for use in a forward osmosis water treatment device and method.
摘要:
A soft water forming device includes; a capacitive deionization stack (“CDI”) stack including at least one anode and at least one cathode that are separately and alternately stacked to adsorb ions contained in water, and a pumping unit which pumps one of water supplied to the CDI stack and water which has passed through the CDI stack, the pumping unit including; a casing have a water inlet and a water outlet and a rotor which rotates due to motive power supplied by an external motor and pumps the water supplied into the casing.
摘要:
A heavy metal absorbent, and a filter device including the same, include heavy metal absorbing particles each having a surface with a —NOx (1≦x≦2) functional group. The heavy metal absorbing particles are one selected from inorganic oxide particles, graphite-based carbon particles, and a combination thereof.
摘要翻译:重金属吸收剂和包括其的过滤装置包括各自具有-NO x(1 x 2)官能团的表面的重金属吸收颗粒。 重金属吸收粒子是选自无机氧化物粒子,石墨类碳粒子及其组合的粒子。
摘要:
Provided is an electrolytic disinfection system and method for purifying water. The electrolytic disinfection system includes; an electrolytic disinfection device which includes; a chamber, a first electrode disposed in the chamber, a second electrode disposed in the chamber and spaced apart from the first electrode, a water inlet part connected to the chamber, wherein the water inlet part allows influent water to be introduced to the chamber therethrough, and a water outlet part connected to the chamber, wherein the water outlet part allows the influent water to be discharged from the chamber therethrough, and an influent water heating device which is disposed upstream of the water inlet part and heats the influent water introduced to the chamber through the water inlet part.