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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 22. Отображено 19.
20-12-2016 дата публикации

Method of converting carbon dioxide, and method of capturing and converting carbon dioxide

Номер: US0009522825B2
Автор: Jeong-Gil Seo, Seon-Ah Jin, Kyo-Sung Park, Hyun Chul Lee, Sang Min Ji, SEO JEONG-GIL, JIN SEON-AH, PARK KYO-SUNG, LEE HYUN CHUL, JI SANG MIN, Seo Jeong-Gil, Jin Seon-Ah, Park Kyo-Sung, Lee Hyun Chul, Ji Sang Min
Принадлежит: Samsung Electronics Co., Ltd., SEO JEONG-GIL, JIN SEON-AH, PARK KYO-SUNG, LEE HYUN CHUL, JI SANG MIN, SAMSUNG ELECTRONICS CO LTD, Seo Jeong-Gil, Jin Seon-Ah, Park Kyo-Sung, Lee Hyun Chul, Ji Sang Min

A method of converting CO 2 may include mixing a reducing material reforming agent including one selected from a reaction product of a CO 2 absorbing material (C abs ) and CO 2 , a reaction product of a CO 2 absorbing material (C abs ), CO 2 , and H 2 O, and a combination thereof with a reducing material to provide a CO 2 converting material (also referred to herein as a CO 2 converted material). The CO 2 absorbing material (C abs ) may include one selected from a metal, a metal oxide, a metal carbonate, a metal bicarbonate, and a combination thereof.

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Номер записи: 1
07-06-2012 дата публикации

METHOD OF CONVERTING CARBON DIOXIDE, AND METHOD OF CAPTURING AND CONVERTING CARBON DIOXIDE

Номер: US20120138860A1
Автор: JI Sang Min, JIN Seon-ah, Lee Hyun Chul, Park Kyo-sung, Seo Jeong-Gil
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A method of converting COmay include mixing a reducing material reforming agent including one selected from a reaction product of a COabsorbing material (C) and CO, a reaction product of a COabsorbing material (C), CO, and HO, and a combination thereof with a reducing material to provide a COconverting material (also referred to herein as a COconverted material). The COabsorbing material (C) may include one selected from a metal, a metal oxide, a metal carbonate, a metal bicarbonate, and a combination thereof. 1. A method of converting CO , the method comprising:{'sub': 2', '2', 'abs', '2', '2', 'abs', '2', '2', '2', 'abs, 'mixing a reforming agent with a reducing material to form a COconverted material, the reforming agent including at least one of a reaction product of a COabsorbing material (C) and CO, and a reaction product of a COabsorbing material (C), CO, and HO, the COabsorbing material (C) including at least one of a metal, a metal oxide, a metal carbonate, and a metal bicarbonate.'}2. The method of claim 1 , wherein the mixing includes ensuring that the metal comprises at least one of an alkali metal claim 1 , an alkaline-earth metal claim 1 , a rare earth element claim 1 , and a transition element.3. The method of claim 1 , wherein the mixing includes ensuring that the COabsorbing material (C) comprises at least one of Sr claim 1 , Mn claim 1 , Mg claim 1 , Li claim 1 , Zn claim 1 , K claim 1 , Ca claim 1 , Ag claim 1 , Cs claim 1 , Na claim 1 , Fe claim 1 , Ba claim 1 , Cu claim 1 , oxides thereof claim 1 , carbonates thereof claim 1 , and bicarbonates thereof.4. The method of claim 1 , wherein the mixing includes ensuring that the reducing material comprises at least one of hydrogen claim 1 , a substituted or unsubstituted C1 to C30 aliphatic hydrocarbon claim 1 , a substituted or unsubstituted C3 to C30 alicyclic hydrocarbon claim 1 , a substituted or unsubstituted C6 to C30 aromatic hydrocarbon claim 1 , a substituted or unsubstituted C1 to C30 ...

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Номер записи: 2
08-08-2013 дата публикации

ADSORBENT FOR CARBON DIOXIDE, METHOD OF PREPARING THE SAME, AND CAPTURE MODULE FOR CARBON DIOXIDE

Номер: US20130199373A1
Автор: KWON Hyuk Jae, KWON Soon Chul, Lee Hyun Chul, Seo Jeong Gil
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

An adsorbent for carbon dioxide may include a composite metal oxide including a divalent first metal (M), a trivalent second metal (M), and an element (A) with an electronegativity of about 2.0 to about 4.0. The composite metal oxide may have an amorphous structure. A method of manufacturing the adsorbent for carbon dioxide and a capture module for carbon dioxide including the adsorbent for carbon dioxide are also disclosed. 1. An adsorbent for carbon dioxide , comprising{'sup': 1', '2, 'a composite metal oxide including a divalent first metal (M), a trivalent second metal (M), and an element (A) having an electronegativity ranging from about 2.0 to about 4.0, the composite metal oxide having an amorphous structure.'}2. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide is represented by the following Chemical Formula 1:{'br': None, 'sup': 1', '2, 'sub': 1-x', 'x', 'y', 'a, '[MMA]O\u2003\u2003[Chemical Formula 1]'}{'sup': 1', '2', '1', '2, 'in Chemical Formula 1, Mis a divalent first metal, Mis a trivalent second metal, A is an element having an electronegativity of about 2.0 to about 4.0, x is in a range of 0.2 to 0.4, y is in a range of 0.3 to 3, and a is a number required for making a charge balance of oxygen with M, M, and A'}3. The adsorbent for carbon dioxide of claim 1 , wherein the divalent first metal (M) is selected from an alkaline-earth metal claim 1 , a transition metal claim 1 , and a combination thereof.4. The adsorbent for carbon dioxide of claim 3 , wherein the divalent first metal (M) is selected from the group consisting of magnesium (Mg) claim 3 , calcium (Ca) claim 3 , strontium (Sr) claim 3 , nickel (Ni) claim 3 , manganese (Mn) claim 3 , iron (Fe) claim 3 , cobalt (Co) claim 3 , copper (Cu) claim 3 , zinc (Zn) claim 3 , beryllium (Be) claim 3 , and a combination thereof.5. The adsorbent for carbon dioxide of claim 1 , wherein the trivalent second metal (M) is different from the divalent first metal (M) and is ...

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Номер записи: 3
12-09-2013 дата публикации

Adsorbent for carbon dioxide, method of preparing the same, and capture module for carbon dioxide

Номер: US20130236726A1
Автор: Hyuk Jae Kwon, Hyun Chul Lee, Jeong Gil SEO, Soonchul Kwon
Принадлежит: SAMSUNG ELECTRONICS CO LTD

An adsorbent for carbon dioxide may include an inorganic oxide porous structure having a plurality of mesopores and an active compound bound to the surface of the mesopores. The active compound may be selected from an alkali metal-containing compound, an alkaline-earth metal-containing compound, and a combination thereof. Various example embodiments also relate to a method of preparing the adsorbent for carbon dioxide and a capture module for carbon dioxide including the adsorbent for carbon dioxide.

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Номер записи: 4
26-09-2013 дата публикации

ADSORBENT FOR CARBON DIOXIDE, METHOD OF PREPARING THE SAME, AND CAPTURE MODULE FOR CARBON DIOXIDE INCLUDING THE SAME

Номер: US20130247757A1
Автор: KWON Hyuk Jae, KWON Soon Chul, Lee Hyun Chul, Seo Jeong Gil
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

An adsorbent for carbon dioxide may include a structure that includes composite metal oxide including a first metal (M) and a second metal (M) linked through oxygen (0). The first metal (M) may be selected from an alkali metal, an alkaline-earth metal, and a combination thereof. The second metal (M) may have a trivalent oxidation number or greater. The composite metal oxide may include mesopores inside or in the surface thereof. The adsorbent may be included in a capture module for carbon dioxide. A method of reducing emissions may include adsorbing carbon dioxide using the adsorbent for carbon dioxide. 1. An adsorbent for carbon dioxide , comprising:{'sup': 1', '2', '1', '2, 'a composite metal oxide including a first metal (M) and a second metal (M) linked together by oxygen (O), the first metal (M) selected from at least one of an alkali metal and an alkaline-earth metal, the second metal (M) having a trivalent oxidation number or greater, and the composite metal oxide being mesoporous.'}2. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide has a spinel structure.3. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide is a crystalline oxide.4. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide includes mesopores having an average pore size of about 2 nm to about 50 nm.5. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide is in a form of a plurality of particles having an average particle size of about 0.01 μm to about 10 μm.6. The adsorbent for carbon dioxide of claim 1 , wherein the composite metal oxide is represented by the following Chemical Formula 1 claim 1 ,{'br': None, 'sup': 1', '2', '2', '1, 'sub': x', 'y', 'z', 'p', 'q', 'r', 's, 'a(MMO)-b(MO)-c(MO) \u2003\u2003[Chemical Formula 1]'}wherein 0 Подробнее

Номер записи: 5
03-10-2013 дата публикации

ADSORBENT FOR CARBON DIOXIDE, METHOD OF PREPARING THE SAME, AND CAPTURE MODULE FOR CARBON DIOXIDE INCLUDING THE SAME

Номер: US20130260990A1
Автор: Jo Young Gil, KWON Hyuk Jae, KWON Soon Chul, Lee Hyun Chul, Seo Jeong Gil
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

An adsorbent for carbon dioxide may include a composite metal oxide including a divalent first metal (M), a trivalent second metal (M), and at least one polyoxometalate (POM) ion selected from an anion represented by a first formula (e.g., Chemical Formula 1) and an anion represented by a second formula (e.g., Chemical Formula 2). A capture module for carbon dioxide may include the adsorbent. 1. An adsorbent for carbon dioxide , comprising:{'sup': 1', '2, 'claim-text': {'br': None, 'sup': 3', '2−, 'sub': 6', '19, '[MO]\u2003\u2003[Chemical Formula 1]'}, 'a composite metal oxide including a divalent first metal (M), a trivalent second metal (M), and at least one polyoxometalate (POM) ion, the at least one polyoxometalate (POM) ion selected from an anion represented by Chemical Formula 1 and an anion represented by Chemical Formula 2,'}{'sup': '3', 'claim-text': {'br': None, 'sub': 4', 'a', '6b', '18b, 'sup': 4', '3a−, '[(XO)MO]\u2003\u2003[Chemical Formula 2]'}, 'Mbeing selected from at least one of Mo and W,'}X being selected from at least one of P, Si, As, Ge, B, Co, and Zn,{'sup': '4', 'Mbeing selected from at least one of Mo, W, and V,'}a being in a range of about 1 to about 5, andb being in a range of about 2 to about 5.2. The adsorbent for carbon dioxide of claim 1 , wherein Chemical Formula 2 is further represented by at least one of Chemical Formula 2A claim 1 , Chemical Formula 2B claim 1 , and Chemical Formula 2C claim 1 ,{'br': None, 'sub': 4', 'l', '12−l', '36, 'sup': '3−', '[(XO)MoWO]\u2003\u2003[Chemical Formula 2A]'} {'br': None, 'sub': 4', '12−m', 'm', '36, 'sup': '(3+m)−', '[(XO)MoVO]\u2003\u2003[Chemical Formula 2B]'}, 'l being in a range of about 0 to about 12,'} {'br': None, 'sub': 4', '12−n', 'n', '36, 'sup': '(3+n)−', '[(XO)WVO]\u2003\u2003[Chemical Formula 2C]'}, 'm being in a range of about 0 to about 3,'}n being in a range of about 0 to about 3.3. The adsorbent for carbon dioxide of claim 1 , wherein the divalent first metal (M) is at least ...

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Номер записи: 6
28-11-2013 дата публикации

Nickel-M-Alumina Xerogel Catalyst, Method for Preparing the Same, and Method for Preparing Methane Using the Catalyst

Номер: US20130317127A1
Автор: Chang Dae Byun, Dong Jun Koh, Hyo Jun Lim, In Kyu Song, Jeong Gil SEO, Sun Hwan Hwang
Принадлежит: Posco Co Ltd

A nickel-M-alumina hybrid xerogel catalyst for preparing methane, wherein the metal M is at least one element selected from the group consisting of Fe, Co, Ni, Ce, La, Mo, Cs, Y, and Mg, a method for preparing the catalyst and a method for preparing methane using the catalyst are provided. The catalyst has strong resistance against a high-temperature sintering reaction and deposition of carbon species, and can effectively improve a conversion ratio of carbon monoxide and selectivity to methane.

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Номер записи: 7
12-05-2016 дата публикации

AEROGEL FOR CAPTURING CARBON DIOXIDE

Номер: US20160129421A1
Автор: BANG Yongju, Han Seung Ju, HIREMATH Vishwanath, KWON Hyuk Jae, LEE Hanyeong, Lee Hyun Chul, Lee Kyuyoung, Seo Jeong Gil, Song In Kyu
Принадлежит: Myongji University Industry and Academia Cooperation Foundation

Disclosed is an aerogel for capturing carbon dioxide (CO) and, more particularly an aerogel for capturing COand a preparation method for the same, where the aerogel for capturing COis prepared using a magnesium precursor and an aluminum precursor by an epoxide-driven sol-gel method and a subsequent drying method using supercritical carbon dioxide to have a high COadsorptive performance at elevated temperature. There is provided an aerogel for capturing COto selectively adsorb COat elevated temperature, thereby contributing to the reduction of the COemission that is mainly responsible for atmospheric pollutions by using the high-efficiency aerogel for capturing COwith high COselectivity, high COadsorption performance, and good recyclability in the repetitive adsorption-desorption processes.

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Номер записи: 8
02-05-2019 дата публикации

Carbon-based nanocomposite, and electrode and lithium air battery including carbon-based nanocomposite

Номер: US20190131627A1
Автор: Alan Christian LIM, Dongjoon Lee, Dongmin Im, Hyukjae Kwon, Hyunjin Kim, Hyunpyo Lee, Jeong Gil SEO
Принадлежит: Industry Academy Cooperation Foundation of Myongji University, SAMSUNG ELECTRONICS CO LTD

A carbon nanocomposite includes a polymer nanowire comprising a plurality of carbon nanostructures, wherein the plurality of carbon nanostructures are electrically connected to each other within the polymer nanowire, and a portion of the plurality of carbon nanostructures protrude from a surface of the polymer nanowire.

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Номер записи: 9
23-06-2016 дата публикации

Carbon dioxide adsorbent with amino acid-based amine group grafted thereto and method of manufacturing same

Номер: US20160175808A1
Автор: Hanyeong Lee, Jeong Gil SEO, Kyu Young Lee, Vishwanath Hiremath
Принадлежит: Industry Academy Cooperation Foundation of Myongji University

Disclosed herein are a carbon dioxide adsorbent with an amino acid-based amine group grafted thereto, and a method for manufacturing the same by grafting an ionic liquid-loaded porous support, having large surface area, with an amine group through ion exchange and neutralization with an amino acid. Having excellent carbon dioxide adsorption performance, selectivity for carbon dioxide, thermal stability, and reusability, the carbon dioxide adsorbent of the present invention can be effectively applied to the prevention of environmental pollution produced by carbon dioxide release.

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Номер записи: 10
17-09-2015 дата публикации

COMPOSITE NANOFIBER MEMBRANE FOR ADSORBING LITHIUM, METHOD OF MANUFACTURING THE SAME AND APPARATUS AND METHOD FOR RECOVERING LITHIUM USING THE SAME

Номер: US20150258501A1
Автор: BELTRAN Arnel B., Chung Wook-Jin, LEE Seong-Poong, NISOLA Grace M., PARK Myoung Jun, Seo Jeong Gil, TORREJOS Rey Eliseo C., YOO Young Deuk
Принадлежит: Myongji University Industry and Academia Cooperation Foundation

Disclosed are a composite nanofiber membrane for the adsorption of lithium, a method for preparing the same, and a lithium recovery apparatus and method using the same. The composite nanofiber membrane for the adsorption of lithium is immobilized with manganese oxide selectively adsorptive of lithium. The composite nanofiber membrane for lithium adsorption exhibits high selectivity for lithium ions and allows for the rapid and easy diffusion of lithium ions through interstitial spaces of the adsorbent. Particularly, the lithium recovery apparatus using the composite nanofiber membrane for lithium adsorption is able to effectively adsorb lithium ions dissolved in seawater in a selective manner within a short period of time, thus reducing the time taken for the adsorption process. 1. A lithium recovery apparatus comprising:a membrane filtration cell, equipped with a composite nanofiber membrane for lithium adsorption, for adsorbing lithium dissolved in seawater onto the membrane and desorbing the lithium by use of an acid solution fed thereto;a feed tank for feeding seawater to the membrane filtration cell;a release tank for accommodating the seawater from the membrane filtration cell after lithium adsorption; anda recovery tank for feeding the acid solution to the membrane filtration cell and recovering a solution containing the lithium desorbed by the acid solution,wherein the composite nanofiber membrane is prepared using a method comprising:mixing lithium-manganese oxide adsorbent powder with a polymeric material in a solvent to give a viscous dope mixture; andelectrospinning the viscous dope mixture.2. The lithium recovery apparatus of claim 1 , further comprising a peristaltic pump between the membrane filtration cell and the release tank and between the membrane filtration cell and the recovery tank.3. The lithium recovery apparatus of claim 1 , wherein the method of preparing the composite nanofiber membrane for lithium adsorption further comprises thermal ...

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Номер записи: 11
29-09-2016 дата публикации

LITHIUM SELECTIVE CROWN ETHER,LITHIUM ADSORBENT USING SAME, AND PREPARATION METHOD THEREOF.

Номер: US20160280678A1
Автор: Chung Wook-Jin, KIM Hern, LEE Seong-Poong, LIMJUCO Lawrence A., NISOLA Grace M., PARK Myoung Jun, Seo Jeong Gil, TORREJOS Rey Eliseo C., VIVAS Eleazer L.
Принадлежит: Myongji University Industry and Academia Cooperation Foundation

Disclosed herein are a novel crown ether with bulky and rigid groups and a method for preparing the same. Also provided are a lithium adsorbent comprising the novel crown ether immobilized onto a nanofiber, and a method for preparing the same. The lithium-selective crown ether is synthesized through intermolecular cyclization between a bulky epoxide and a rigid aromatic compound such as 1,2-dihydroxybenzene, and can effectively recover lithium ions. For use as a lithium adsorbent, the novel crown ether with both bulky and rigid subunits is immobilized onto a polymer nanofiber. The crown ether-immobilized polymer nanofibers may be formed into a recyclable membrane. 1. A method for preparing a lithium-selective crown ether comprising reacting by cyclization a bis-epoxide and a hydroxy benzene.2. The method of claim 1 , wherein the bis-epoxide is synthesized by reacting a diol with an allyl compound to give a dialkene compound (step a) and reacting the dialkene compound with a benzoic acid (step b).3. The method of claim 2 , wherein the diol is selected from the group consisting of pinacol claim 2 , 2 claim 2 ,2-diethyl-1 claim 2 ,3-propanediol claim 2 , [1 claim 2 ,1′-bicyclopentyl]-1 claim 2 ,1′-diol claim 2 , cis-1 claim 2 ,2-cyclohexanediol claim 2 , cis-1 claim 2 ,2-cyclopentanediol claim 2 , and a combination thereof.4. The method of claim 2 , wherein the allyl compound is allyl bromide.6. The method of claim 2 , wherein the benzoic acid is m-chlorobenzoic acid.8. The method of claim 1 , wherein the hydroxybenzene is 1 claim 1 ,2-dihydroxybenzene.9. The method of claim 1 , wherein the cyclization is carried out by reacting the bis-epoxide with the hydroxy benzene in presence of a metal hydroxide in a solvent.12. A method for preparing a lithium adsorbent using a crown ether claim 1 , comprising: mixing the crown ether and a polymer material in a solvent to give a dope solution (step a′); electrospinning the dope solution into polymer nanofibers (step b′); and ...

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Номер записи: 12
14-12-2017 дата публикации

Adsorbent for capturing carbon dioxide comprising magnesium oxide/titanium dioxide composite and method for manufacturing same

Номер: US20170354949A1
Автор: Jeong Gil SEO, Soon Ha Hwang, Vishwanath Hiremath
Принадлежит: Industry Academy Cooperation Foundation of Myongji University

Provided is an adsorbent for capturing carbon dioxide and a method for manufacturing same, and more particularly, to an adsorbent for capturing carbon dioxide, including a magnesium oxide/titanium dioxide composite having wide surface area, large pore volume and good CO 2 adsorption performance, and a method for manufacturing same. According to the present invention, a novel MgO based composite metal oxide which may stably adsorb CO 2 at a low temperature such as room temperature is provided. The adsorbent for capturing carbon dioxide, including a magnesium oxide/titanium dioxide composite has good thermal stability, and controls basic sites easily, and is used in various fields for capturing carbon dioxide. In addition, by controlling the molar ratio of the metal ions of the magnesium oxide/titanium dioxide composite and controlling morphology, an adsorbent for capturing carbon dioxide having large surface area and pore volume and strong basic sites may be provided.

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Номер записи: 13
30-01-2018 дата публикации

Nickel-M-alumina xerogel catalyst, method for preparing the same, and method for preparing methane using the catalyst

Номер: US9878961B2
Автор: Chang Dae Byun, Dong Jun Koh, Hyo Jun Lim, In Kyu Song, Jeong Gil SEO, Sun Hwan Hwang
Принадлежит: Posco Co Ltd

A nickel-M-alumina hybrid xerogel catalyst for preparing methane, wherein the metal M is at least one element selected from the group consisting of Fe, Co, Ni, Ce, La, Mo, Cs, Y, and Mg, a method for preparing the catalyst and a method for preparing methane using the catalyst are provided. The catalyst has strong resistance against a high-temperature sintering reaction and deposition of carbon species, and can effectively improve a conversion ratio of carbon monoxide and selectivity to methane.

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Номер записи: 14
22-08-2013 дата публикации

Nickel-M-alumina xerogel catalyst, method for preparing same, and method for preparing methane using the catalyst

Номер: AU2011357640A1
Автор: Chang Dae Byun, Dong Jun Koh, Hyo Jun Lim, In Kyu Song, Jeong Gil SEO, Sun Hwan Hwang
Принадлежит: Posco Co Ltd

The present invention relates to a nickel-M-alumina hybrid xerogel catalyst for preparing methane, where M is one or more element selected from a group consisting of Fe, Co, Ni, Ce, La, Mo, Cs, Y and Mg. The present invention also relates to a method for preparing the catalyst and to a method for preparing methane using the catalyst. The catalyst has strong resistance against high-temperature sintering reactions and the deposition of carbon species, and may effectively improve the conversion ratio of carbon monoxide and methane selectivity.

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Номер записи: 15
19-08-2013 дата публикации

二酸化炭素吸着剤、その製造方法およびこれを含む二酸化炭素捕集モジュール

Номер: JP2013158770A
Автор: Hyuk Jae Kwon, Hyun-chul Lee, Jeong Gil SEO, Soon Chul KWON, 弦哲 李, 正吉 徐, 純哲 權, 赫載 權
Принадлежит: SAMSUNG ELECTRONICS CO LTD

【課題】二酸化炭素捕集能に優れており、所望の温度範囲で（例えば、中温または高温でも）作動可能である他、高い二酸化炭素吸着能を有することから、燃焼により生じる二酸化炭素の吸着だけではなく、燃焼前の二酸化炭素の吸着にも有効に用いられる二酸化炭素吸着剤の提供。 【解決手段】２価の第１金属（Ｍ １ ）および３価の第２金属（Ｍ ２ ）ならびに電気陰性度が約２．０〜約４．０の元素（Ａ）を含み、アモルファス構造を有する複合金属酸化物を含む二酸化炭素吸着剤、該二酸化炭素吸着剤の製造方法および該二酸化炭素吸着剤を含む二酸化炭素捕集モジュール。 【選択図】図１

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Номер записи: 16
18-06-2019 дата публикации

Adsorbent for capturing carbon dioxide comprising magnesium oxide/titanium dioxide composite and method for manufacturing same

Номер: US10322400B2
Автор: Jeong Gil SEO, Soon Ha Hwang, Vishwanath Hiremath
Принадлежит: Industry Academy Cooperation Foundation of Myongji University

Provided is an adsorbent for capturing carbon dioxide and a method for manufacturing same, and more particularly, to an adsorbent for capturing carbon dioxide, including a magnesium oxide/titanium dioxide composite having wide surface area, large pore volume and good CO2 adsorption performance, and a method for manufacturing same. According to the present invention, a novel MgO based composite metal oxide which may stably adsorb CO2 at a low temperature such as room temperature is provided. The adsorbent for capturing carbon dioxide, including a magnesium oxide/titanium dioxide composite has good thermal stability, and controls basic sites easily, and is used in various fields for capturing carbon dioxide. In addition, by controlling the molar ratio of the metal ions of the magnesium oxide/titanium dioxide composite and controlling morphology, an adsorbent for capturing carbon dioxide having large surface area and pore volume and strong basic sites may be provided.

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Номер записи: 17
26-12-2017 дата публикации

Lithium-selective crown ether, lithium adsorbent using same, and preparation method thereof

Номер: US09850226B2
Автор: Eleazer L. VIVAS, Grace M. NISOLA, Hern Kim, Jeong Gil SEO, Lawrence A. LIMJUCO, Myoung Jun PARK, Rey Eliseo C. TORREJOS, Seong-Poong LEE, Wook-Jin Chung
Принадлежит: Industry Academy Cooperation Foundation of Myongji University

Disclosed herein are a novel crown ether with bulky and rigid groups and a method for preparing the same. Also provided are a lithium adsorbent comprising the novel crown ether immobilized onto a nanofiber, and a method for preparing the same. The lithium-selective crown ether is synthesized through intermolecular cyclization between a bulky epoxide and a rigid aromatic compound such as 1,2-dihydroxybenzene, and can effectively recover lithium ions. For use as a lithium adsorbent, the novel crown ether with both bulky and rigid subunits is immobilized onto a polymer nanofiber. The crown ether-immobilized polymer nanofibers may be formed into a recyclable membrane.

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Номер записи: 18
29-08-2017 дата публикации

Composite nanofiber membrane for adsorbing lithium, method of manufacturing the same and apparatus and method for recovering lithium using the same

Номер: US09745644B2
Автор: Arnel B. BELTRAN, Grace M. NISOLA, Jeong Gil SEO, Myoung Jun PARK, Rey Eliseo C. TORREJOS, Seong-Poong LEE, Wook-Jin Chung, Young Deuk YOO
Принадлежит: Industry Academy Cooperation Foundation of Myongji University

Disclosed are a composite nanofiber membrane for the adsorption of lithium, a method for preparing the same, and a lithium recovery apparatus and method using the same. The composite nanofiber membrane for the adsorption of lithium is immobilized with manganese oxide selectively adsorptive of lithium. The composite nanofiber membrane for lithium adsorption exhibits high selectivity for lithium ions and allows for the rapid and easy diffusion of lithium ions through interstitial spaces of the adsorbent. Particularly, the lithium recovery apparatus using the composite nanofiber membrane for lithium adsorption is able to effectively adsorb lithium ions dissolved in seawater in a selective manner within a short period of time, thus reducing the time taken for the adsorption process.

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Номер записи: 19