Abstract:
PURPOSE: A method for culturing microoralgae is provided to efficiently remove 90% or more of carbon dioxide and to supply the carbon dioxide to algae. CONSTITUTION: A method for culturing microalgae, which is combined with a process of collecting carbon dioxide from exhaust gas comprises: a step of collecting the carbon dioxide in ammonium carbonate and ammonium bicarbonate using an ammonia solution; a step of culturing the microalgae using the collected ammonium carbonate and ammonium bicarbonate; and a step of separating the remaining amount of ammonium ions.
Abstract:
PURPOSE: A method for fabricating nanofiber of cellulose acetate and montmorillonite is provided to obtain nanofiber with improved structural, thermal, and mechanical characteristics. CONSTITUTION: A method for fabricating nanofiber comprises: a step of preparing a mixture solution of cellulose acetate solution and montmorillonite; and a step of electrospinning the mixture solution. The method further comprises a step of stirring the mixture solution before electrospinning.
Abstract:
본 발명은 제올라이트를 함유하는 제습소자 제조방법에 관한 것으로, 더 상세하게는 세라믹종이에 제습소재를 부착시키고 이를 건조하여 제습소자를 제조하고 제조된 제습소자인 제습종이를 허니컴 형태로 권취해 원통형 허니컴을 제조하는 방법에서 상기 각 공정을 단순화시키기 위해 제습소재를 세라믹종이 제조시 혼합하여 이에 분산제와 응집제를 첨가하여 균일하게 분포시켜 제습소재가 균일하게 함유된 세라믹종이인 제습소자를 제조하게 함으로써, 공정을 단순화하여 신속하고 다량의 제조가 가능하고, 기존 건조과정에서 발생하는 전력소모량을 제거함은 물론 제습소재로 인해 제습소자인 세라믹종이의 경도를 증가시켜 원통형 허니컴 제조시 고무등의 씰링소재의 압력을 충분히 견디도록 하여 내구성을 향상시키는 제올라이트를 함유하는 제습소자 제조방법에 관한 것이다. 본 발명은 제올라이트를 종이 제조용 슬러리에 첨가하여 세라믹 종이를 제조함으로써 제올라이트가 세라믹 종이에 균일하게 분포할 수 있게 함으로써, 제조된 제올라이트를 함유한 세라믹종이인 제습소자는 세라믹종이를 만든 후에 제올라이트를 함침시키는 것보다 많은 량의 제올라이트를 함유되도록 할 수 있다. 또한, 세라믹종이 제조시 제올라이트를 포함시킴으로 종래 공정에서 건조 및 열처리 공정을 생략가능하게 함으로써 공정을 단순화하여 신속한 생산이 가능하고, 에너지소모량도 축소할 수 있는 효과가 있다. 제습소자, 제습종이, 제올라이트, 슬러리, 분산제, 응집제
Abstract:
A desiccant element containing zeolite and a manufacturing method thereof are provided to simplify processes and to improve durability by increasing hardness of ceramic paper. A manufacturing method of a desiccant element containing zeolite includes the following steps of: manufacturing slurry by mixing cellulose in which impurities are removed with water(S1); mixing mixed slurry by stirring the slurry and the zeolite(S2); drafting paper with the mixed slurry(S3); and drying the mixed slurry(S4). The manufacturing method of the desiccant element further includes a step for dispersing the zeolite in the slurry(S5), and a step for condensing the zeolite in the slurry(S6).
Abstract:
A method for manufacturing an electronic parts case using biocomposites reinforced with sea algae fibers is provided to prevent an electronic parts case from being detached together with electronic parts by reducing the thermal expansion coefficient of the electronic parts case. A method for manufacturing an electronic parts case using biocomposites reinforced with sea algae fibers comprises the steps of drying sea algae fibers(S100), shattering the dried sea algae fibers(S101), and drying, shattering and dissociating the sea algae fibers into fine fibers(S102). Polymer specimen is dried to remove moisture therefrom(S200). Polymer specimen including biodegradable and general polymer is fragmentated in the form of powder(S201). The sea algae fibers are mixed with the dried polymer powder to produce an integrated mixture thereof(S300). The mixture is filled in a metal mold(S400). The metal mold is compressed at the high temperature to form a case(S500).
Abstract:
A honeycomb adsorptive catalytic element having a function of adsorbing and catalytically oxidizing volatile organic compounds is provided to remove efficiently VOC(volatile organic compounds) with a low concentration generated from industries, a manufacturing method of the honeycomb adsorptive catalytic element is provided, and a method and an apparatus for removing VOC using the honeycomb adsorptive catalytic element are provided. An apparatus for removing volatile organic compounds using a honeycomb adsorptive catalytic element having a function of adsorbing and catalytically oxidizing the volatile organic compounds comprises: a honeycomb adsorption catalytic element(1) doped with a catalyst and an adsorbent for adsorbing volatile organic compounds to perform adsorption and catalytic combustion of volatile organic compounds at the same time; a rotary motor(2) for rotating the honeycomb adsorption catalytic element at a predetermined speed; a pollutant supplying blower(3) for supplying exhaust air into an adsorption zone of the honeycomb adsorption catalytic element; a concentrated air blower(4) for supplying degassed concentrated volatile organic compounds into a catalytic combustion zone and supplying a heat source obtained by burning the degassed concentrated volatile organic compounds in the catalytic combustion zone into a regeneration zone; and separating devices(5) for dividing the honeycomb adsorption catalytic element into an adsorption zone, a heating and generating zone, a catalytic combustion zone, and a cooling zone.
Abstract:
본 고안은 예혼합 메탈 화이버 버너를 이용한 미립 천연 글라스 분말 팽창용 버너장치에 관한 것으로, 더욱 상세하게는 연소조건에 맞게 공연비가 조정된 연소가스 및 연소공기를 메탈 화이버 버너 내부의 내부 분배기 또는 내외부 분배기의 관통공을 통하여 균일한 유속으로 판형 메탈 화이버 매트에 분배 공급하여 일정한 크기의 화염이 형성되도록 한 예혼합 메탈 화이버 버너에 미립 천연 글라스 분말이 분출되어 오픈 셀(open cell), 크로스 셀(close cell) 또는 풍선(balloon) 형상을 갖는 미립 팽창 천연 글라스를 제조할 수 있도록 예혼합 메탈 화이버 버너 내부의 판형 메탈 화이버 매트에 미립 천연 글라스 분말 분출구를 형성하도록 버너부의 구조를 개선한 미립 천연 글라스 분말 팽창용 판형 메탈 화이버 버너에 관한 것이다. 천연 글라스, 팽창 천연 글라스, 발룬, 메탈 화이버 매트, 메탈 화이버 버너
Abstract:
A bio-composite material, and a method for preparing the bio-composite material are provided to improve thermal properties and mechanical properties by enhancing the dispersion of a red alga fiber reinforcing material. A bio-composite material is prepared by using the fiber extracted from red alga. Preferably the fiber extracted from red alga is bleached, has the thermal stability more excellent than that of cellulose and has the crystallinity similar to that of cellulose. The bio-composite material is prepared by (S100) drying a red alga fiber; (S101) pulverizing the dried fiber; (S102) drying, pulverizing and dissociating the obtained red alga fiber; (S200) drying a polymer to remove moisture; (S201) pulverizing the dried polymer to obtain a polymer powder; (S300) mixing the red alga fiber and the polymer powder; (S400) coating the mixture in a metal mold; and (S500) compression molding it.
Abstract:
A ceramic phosphor, a white light emitting diode containing the phosphor, a method for preparing the white light emitting diode, and a white light emitting diode lamp containing the phosphor are provided to improve thermal stability and chemical resistance of a ceramic phosphor. A ceramic phosphor has a composition represented by M_(1-x) Re_x Mg_(2-y) Al_(12-y-z) O_(16-y-z) N_y and has an excitation wavelength of 200-500 nm, wherein M is at least one element selected from Ba, Sr and Ca; Re is at least one element selected from rare earth elements; 0.4
Abstract:
본 발명은 금속 연결자를 갖는 제올라이트 분리 막과 그 제조 방법에 관한 것으로, 본 발명에서는 기존 제올라이트 분리 막의 산업화를 제한하고 있는 내열성과 내화학성의 저하에 따른 밀봉성 저하 문제를 해소하여 장기적으로 우수한 밀봉성을 확보할 수 있도록 한 금속 연결자를 갖는 제올라이트 분리 막과 그 제조방법을 제공한다.