Abstract:
본 발명은 아미노산 및 3급 알카놀아민을 포함하는 신규 이산화탄소 흡수제 및 이를 이용한 이산화탄소 포집방법 및 포집장치에 관한 것이다.에 관한 것으로서, 본 발명에 따른 이산화탄소 흡수제는 손실율이 극히 낮고, 생분해성(biodegradable) 및 무독성(non-toxic)을 가지며, 산소와 반응하여 열화물을 생성시키지 않으며, 재생에너지가 알카놀아민계 흡수제에 비해 낮을 뿐만 아니라, 이산화탄소 흡수시 염 침전물을 형성하지 않기 때문에 스프레이 타워(spray tower)는 물론 충진식 타워(packing tower) 형태의 흡수탑에도 제한없이 적용가능하여 이산화탄소 흡수 효율 향상에도 매우 효과적이다.
Abstract:
본 발명은 황화수소 흡착을 위한 산화구리-산화아연/환원된 그래핀 옥사이드 화합물의 제조 방법에 관한 것으로, 특히 산화구리과 산화아연의 비율을 조정하여 탈황효율을 높인 제조 방법에 관한 것이다. 본 발명은, 흑연을 산과 산화제로 산화 후 박리시킨 그래핀 옥사이드를 준비하는 단계; 상기 그래핀 옥사이드에 에틸렌 글리콜(ethylene glycol)을 혼합 후 초음파 진동을 이용한 1차 분산 단계; 상기 1차 분산 단계를 거친 혼합액을 수산화 나트륨(sodium hydroxide, NaOH) 수용액과 혼합 후, 초음파 진동을 이용한 2차 분산 단계; 상기 2차 분산 단계를 거친 혼합액에 아연 아세테이트(Zinc Acetate, ZnAc) 수용액과 구리 아세테이트(Copper Acetate, CuAc)를 정해진 비율로 첨가하여 자석교반기로 혼합하는 단계; 상기 자석교반기로 혼합하는 단계를 거친 혼합액에 환원제를 첨가한 후 열처리하여 환원하는 단계; 상기 열처리하여 환원하는 단계를 거친 혼합액을 냉각하고 증류수로 세척한 후 냉동 진공건조기에서 건조시키는 단계를 포함하는, 산화구리-산화아연/환원된 그래핀 옥사이드 화합물의 제조 방법을 제공하여, 고온에 따른 산화아연 입자들의 뭉침현상을 방지하고, 황화수소 흡착율이 가장 좋은 산화구리-산화아연의 비율을 조정함으로써, 상기 화합물의 황화수소 흡착율을 극대화시킨다.
Abstract:
Disclosed are an imidazolium-based ionic liquid functionalized with an amine and a method for a separation of carbon dioxide using the same. The imidazolium-based ionic liquid functionalized with the amine according to the present invention has a superior carbon dioxide absorption capacity. The absorbed carbon dioxide can be easily absorbed/desorbed by heating. The liquid of the present invention provides use convenience and can be effectively used in collecting CO2 since the liquid has a selectivity, a thermal stability, a repeatable usability, and a long lifespan.
Abstract:
The present invention relates to ionic liquid using an aromatic cation material for separating carbon dioxide and, more specifically, to ionic liquid which improves carbon dioxide absorption capacity, initial absorption rates, and reclaimable performance compared with existing ionic liquid. The ionic liquid of the present invention is selected among 1-methylimidazolium, 1-ethylimidazolium, and 1-butylimidazolium.
Abstract:
본 발명은 이산화탄소 흡수제에 관한 것으로서, 구체적으로는 이산화탄소 흡수능이 우수하고 반응속도가 빠르며, 이산화탄소 포집 과정에서 재생에너지를 크게 저감할 수 있는 흡수제 및 이를 이용한 이산화탄소 포집 방법에 관한 것이다. 본 발명의 적절한 실시 형태에 따르면, 전체 중량 대비 모노에탄올아민 10~70wt%, 디에탄올아민 10~40wt% 및 트리에탄올아민 5~75wt%을 포함하는 이산화탄소 흡수제를 제공한다.
Abstract:
PURPOSE: A hydrogen-refining separation-film module is provided to remove problems of the degradation in a hydrogen separation film and the reduction in lifespan by the diffusion of the hydrogen separation film and a sealing agent when operating in a high temperature, and to facilitate assembly with a simple structure. CONSTITUTION: A hydrogen-refining separation-film module is equipped with a metal layer on the first surface which passes hydrogen in an inner space formed by fastening a first flange(30) and a second flange(40), and a hydrogen film(10) is equipped with a hydrogen separation film(10) with a porous support body(20). An inner space is separated by the hydrogen separation film into the first inner space which is formed to be close to the metal layer positioned on the first surface of the hydrogen separation film and the second inner space which is formed close to the porous support body positioned on the second surface of the hydrogen separation film. One out of the first inner space and the second inner space accommodates mixed gas containing hydrogen gas and another one which is left accommodates the hydrogen gas refined through the hydrogen separation film. A metal sealant is positioned between a metal layer and a flange which make hydrogen pass in the first inner space and a metal diffusion inhibiting layer(L) is provided on a contact area between the metal layer and the metal sealant which makes hydrogen pass among the hydrogen separation films.
Abstract:
PURPOSE: A collecting method of carbon dioxide using carbon dioxide absorbent is provided to have excellent absorption of carbon dioxide, fast reaction speed, and sharply reduce in the collecting process of carbon dioxide. CONSTITUTION: A carbon dioxide absorbent comprises monoethanolamine 10-70wt%, diethanolamine 10-40wt%, and triethanolammine 5-75wt%. The absorbent is manufactured by reacting overdose of ammonia and ethylene oxide. The ammonia and ethylene oxide are reacted to the mole ration of 1:1-20:1. A collecting method of carbon dioxide uses aqueous solution including the carbon dioxide absorbent 20-40 wt%. Temperature of the absorbent aqueous solution is 40-80 °C when collecting carbon dioxide.
Abstract:
PURPOSE: A nickel oxide-nickel composite membrane for hydrogen separation and a manufacturing method thereof are provided to prevent interdiffusion between a hydrogen separating membrane layer and a surface catalyst layer and to prevent reduction of permeability by suppressing impurities which are generated by interdiffusion between metals. CONSTITUTION: A nickel oxide-nickel composite membrane for hydrogen separation comprises nickel oxide and nickel which are generated by an anodizing method with an organic compound electrolyte. The organic compound electrolyte comprises ethylene glycol, glycerol, diethylene glycol, dimethyl sulphoxide(DMSO), and formamide as a solvent and comprises the nickel oxide and the nickel which include NH4F, HF, NaF, or KF. One side or both sides of the hydrogen segregation composite membrane is coated with a metal which is selected from a group comprised of palladium(Pd), palladium alloy, vanadium(V), vanadium alloy, tantalum(Ta), tantalum alloy, niobium(Nb), and niobium alloy. The nickel oxide acts as a preventing interdiffusion layer between metals. The thickness of the nickel oxide is between 1 micromolar and 3 micromolar in the hydrogen segregation composite membrane. The hydrogen segregation composite membrane is used for separating a gas mixture which is generated after a water gas shift reaction, mixing gas for carbon dioxide depositing, mixing gas for hydrogen refining, and mixing gas which is generated after methane reforming reaction.
Abstract:
본 발명은 박판 금속 표면에 산화물계 산화 억제층 구성방법을 제공한다. 따라서, 본 발명에 따른 금속플레이트의 코팅방법은 미세유로가 형성된 금속플레이트의 표면에 금속성분을 코팅하여 금속 코팅층을 형성하는 단계; 상기 금속 코팅층이 형성된 금속 플레이트를 수소 분위기에서 열처리하여 상기 금속 코팅층을 신터링을 통해 치밀화하여 치밀질 코팅층을 형성하는 단계; 및 산소 분위기에서 열처리하여 상기 치밀질 코팅층의 표면을 산화물로 전환하여 치밀질 보호층을 형성하는 단계를 포함하는 것을 특징으로 한다. 본 발명을 통해, 금속플레이트의 내열성을 향상하여 고온에서 사용될 수 있는 미세유로 반응기를 제공할 수 있다.
Abstract:
PURPOSE: A hydrogen purification separating membrane module and a method for sealing a hydrogen separating membrane in the module are provided to suppress the diffusion of a hydrogen separating membrane and seal by forming a diffusion suppressing layer at the contact side of the hydrogen separating membrane and the seal. CONSTITUTION: A hydrogen purification separating membrane module includes a lower flange(40), a porous support(20), a hydrogen separating membrane(10), an upper flange(30), and internal seal(50). The lower flange includes a loading groove(41), a supporting protruded part(44), and a hydrogen through hole. The porous support is arranged in a space which is defined by the loading groove and the supporting protruded part. The hydrogen separating membrane is supported by the porous support. The hydrogen separating membrane is palladium, or the mixture or the alloy of palladium and one or more metal components selected from Co, Ag, Au, Ru, and Pt. The upper flange is combined with the lower flange. A diffusion suppressing layer is arranged at the contact side of the hydrogen separating membrane and the inner seal.