Abstract:
PURPOSE: A reduction method of nitrogen oxide effectively returns nitrogen oxide to nitrogen and presents excellent nitrogen oxide reduction efficiency. CONSTITUTION: A reduction method of nitrogen oxide comprises a step of injecting a reducing agent including an amine compound and exhaust gas including nitrogen oxide to a catalyst system. The catalyst system includes a carrier alumina (Ag/Al2O3) catalyst. The amine compound is selected one from a group of monoethanolamine, ethylamine and their combination. [Reference numerals] (AA) Example 1 (Monoethanolamine); (BB) Example 1 (Ethylamine); (CC) Comparative example 1 (Ethanol + Ammonia); (DD) Comparative example 2 (Ethanol); (EE) Comparative example 3 (Ammonia)
Abstract translation:目的:氮氧化物的还原方法有效地将氮氧化物返回到氮气中,具有优异的氮氧化物还原效率。 构成:氮氧化物的还原方法包括将包含胺化合物的还原剂和包括氮氧化物的废气注入催化剂体系的步骤。 催化剂体系包括载体氧化铝(Ag / Al 2 O 3)催化剂。 胺化合物选自一种单乙醇胺,乙胺及其组合。 (AA)实施例1(单乙醇胺); (BB)实施例1(乙胺); (CC)比较例1(乙醇+氨); (DD)比较例2(乙醇); (EE)比较例3(氨)
Abstract:
PURPOSE: NOx storage - reducing catalyst is provided to have relatively high storage component after deterioration or sulfation. CONSTITUTION: A NOx storage - reducing catalyst comprises 1 ~ 5 weight% of transition metal selected from platinum, cobalt and manganese, 2 ~ 30 weight% of a Ba-K-Ce storage component, and 65 ~ 95 weight% of alumina. The Ba-K-Ce 3-componet storage component comprises 0.025 ~ 0.35 : 0.2 ~ 0.95 : 0.025 ~ 0.45 weight ratio of Ba, K Ce and BET non-surface area of the alumina is 50 m/g ~ 300 m/g.
Abstract translation:目的:NOx储存 - 还原催化剂在劣化或硫酸化后具有较高的储存成分。 构成:NOx储存还原催化剂含有1〜5重量%的选自铂,钴和锰的过渡金属,2〜30重量%的Ba-K-Ce储存组分和65〜95重量%的氧化铝。 Ba-K-Ce 3组分储存组分包含Ba,K Ce和BET的0.025〜0.35:0.2〜0.95:0.025〜0.45重量比,氧化铝的BET表面积为50 m / g〜300 m / g。
Abstract:
A ruthenium and potassium contained nitric oxide storage and reduction catalyst is provided to decrease the amount of use of precious metals by adding the ruthenium in the catalyst and to offer a high storage property. A ruthenium and potassium contained nitric oxide storage and reduction catalyst is characterized by dipping precious metals of 0.1 ~ 3 weight% as active components about an alumina(Al2O3) support. The precious metals are ruthenium of 0.1 ~ 10 weight%, potassium of 5 ~ 30 weight%, platinum, palladium, and rhodium. An alumina carrier includes a BET specific surface area of 50 ~ 350 m / g range.
Abstract translation:提供了含有钌和钾的一氧化氮储存和还原催化剂,以通过在催化剂中加入钌来降低贵金属的使用量并提供高储存性能。 含有钌和钾的一氧化氮储存和还原催化剂的特征在于以氧化铝(Al 2 O 3)载体作为活性组分浸渍0.1〜3重量%的贵金属。 贵金属为0.1〜10重量%的钌,5〜30重量%的钾,铂,钯和铑。 氧化铝载体包括BET比表面积为50〜350m / g的范围。
Abstract:
A reducing agent control device and method of the silver deposition alumina catalyst is provided to improve the fuel economy by controlling the optimum C1/NOx ratio according to temperature and spraying the reducing agent on the front of a catalyst. A reducing agent control device of the silver deposition alumina catalyst comprises a temperature and the NOx sensor(11) sensing the exhaust temperature and NOx; a controller(12) controlling amount of the reducing agent calculated through the C1/NOx ratio according to the exhaust temperature; a reducing agent tank(14) storing the reducing agent for returning the NOx to the nitrogen; a nozzle(16) spraying the reducing agent on front of the catalyst; and a flow controlling valve(19) supplying the reducing agent of the reducing agent tank to the nozzle.
Abstract:
본 발명은 다공질 세라믹 페이퍼를 함유하는 세라믹 구조체; 및 상기 세라믹 구조체에 담지된 촉매 성분을 포함하는 촉매체 및 상기를 사용하여 포름알데히드를 제거하는 방법에 관한 것이다. 본 발명에서는 기공률 또는 비표면적 등의 특성이 우수한 세라믹 페이퍼로 제조된 구조체를 촉매 성분의 담체로 사용함으로써, 담지된 촉매 성분 및 처리 대상 물질이 반응할 수 있는 유효 면적을 극대화시킴으로써, 보다 탁월한 성능을 나타내는 촉매체 및 그 사용 방법을 제공할 수 있다. 유해 화학 물질, 포름알데히드, 세라믹 섬유, 세라믹 페이퍼, 세라믹 구조체, 제올라이트, 귀금속 물질, 활성 금속
Abstract:
PURPOSE: A dual-layered catalyst system for removing nitrogen oxide is provided to enhance catalyst activity at low temperature and to ensure excellent nitrogen oxide removal efficiency. CONSTITUTION: A double-layered catalyst system for removing nitrogen oxide contains silver-supported alumina, copper-supported catalyst, and reducing agent. C1-C5 low alcohol contains the reducing agent. The copper-supported catalyst is selected from the group consisting of CuZSM5, CuY, CuMOR, CuBEA, and CuFER. The copper-supported catalyst contains 2-4 weight% of Cu.
Abstract:
PURPOSE: A catalyst structures and formaldehyde-eliminating method using the same are provided to implement catalyst structures by extending an effective area of a dipped catalyst component and material to be process. CONSTITUTION: A catalyst includes a ceramic structure containing the porosity ceramic paper and a catalyst component dipped in the ceramic structure. The ceramic structure includes a ceramics waveform paper(112) and a ceramics board-shape paper(111) attached to the ceramics waveform.
Abstract:
PURPOSE: A catalyst composition and a supported catalyst including the same are provided to offer good activity by adding noble metals in the catalyst composition and zeolite as a carrier supporting the noble metals. CONSTITUTION: A catalyst composition includes zeolite, noble materials dipped in the zeolite, and reactive metals. A specific surface area of the zeolite is 600 m^2/g or more. The zeolite is mordenite, ferrierite, ZSM-5, β - zeolite, ga- silicate, Ti- silicate, Fe- silicate or Mn - silicate. The noble materials are ruthenium, rhodium, palladium, silver, osmium, iridium, platinum or gold. The noble materials of 0.25 ~ 1 parts by weight are included in the zeolite 100 parts by weight.
Abstract:
본 발명은 제올라이트, 상기 제올라이트에 담지된 귀금속 물질; 및 활성 금속을 포함하는 촉매 조성물 및 그를 포함하는 담지형 촉매에 관한 것이다. 본 발명에서는 귀금속 물질을 담지하는 담체로서, 제올라이트를 사용함과 동시에, 촉매 조성물에 활성 금속을 적절히 포함시킴으로써, 적은 양의 귀금속을 사용하여도 우수한 활성을 나타낼 수 있는 촉매 조성물 및 그를 포함하는 담지형 촉매를 제공할 수 있다. 유해 화학 물질, 포름알데히드, 제올라이트, 귀금속 물질, 활성 금속
Abstract:
PURPOSE: A selective catalytic reduction denitrification apparatus is provided to evaporate and spray a reducing agent using an exhaust gas in high and low temperature regions of an emission pipe under a certain temperature, thereby efficiently removing nitrogen oxide even when the reducing agent requires large amounts of heat during evaporation. CONSTITUTION: A selective catalytic reduction denitrification apparatus comprises: a nozzle unit(120); an evaporation part(140); a valve unit(150); a pump(160); a blower unit(170); a high temperature exhaust gas control valve(181); a low temperature exhaust gas control valve(182); a flow detector(210); a temperature detector(260); and a control unit(190). A catalyst which is a carrier of TiO2/V2O5/WO3 is prepared along an exhaust pipe(10). The exhaust pipe discharges the exhaust gas, which is combusted in and discharged from a gas turbine, through a chimney(20). The nozzle unit is placed on a catalyst member(110). The evaporation part evaporates the reducing agent of the aqueous solution of ammonia series supplied from a storage tank(130) and delivers the reducing agent to the nozzle unit. The high temperature exhaust gas control valve is placed on a pipe that connects the front end of the exhaust pipe and the blower unit to control the amount of the high temperature exhaust gas supplied to the evaporation part. The low temperature exhaust gas control valve is placed on a pipe that connects the rear end of the exhaust pipe and the blower unit to control the amount of the low temperature exhaust gas supplied to the evaporation part. The flow detector detects the flowing amount of the reducing agent which is prepared in the discharge end of the pump and delivered to the evaporation part. The temperature detector detects the temperature of the evaporated reducing agent when discharged.
Abstract translation:目的:提供一种选择性催化还原反硝化装置,用于在一定温度下,在排放管的高低温区域中使用排气蒸发并喷射还原剂,从而即使当还原剂需要大量的 蒸发期间发热。 构成:选择性催化还原反硝化装置包括:喷嘴单元(120); 蒸发部分(140); 阀单元(150); 泵(160); 鼓风机单元(170); 高温排气控制阀(181); 低温排气控制阀(182); 流量检测器(210); 温度检测器(260); 和控制单元(190)。 沿着排气管(10)制备作为TiO 2 / V 2 O 5 / WO 3的载体的催化剂。 排气管将从燃气轮机燃烧并从燃气轮机排出的排气通过烟囱(20)排出。 喷嘴单元放置在催化剂构件(110)上。 蒸发部蒸发从储罐(130)供给的氨系列水溶液的还原剂,并将还原剂输送到喷嘴单元。 高温排气控制阀被放置在连接排气管的前端和鼓风机单元的管道上,以控制供应到蒸发部件的高温废气的量。 低温排气控制阀被放置在连接排气管的后端和鼓风机单元的管道上,以控制供应到蒸发部件的低温废气的量。 流量检测器检测在泵的排放端中制备并被输送到蒸发部件的还原剂的流动量。 温度检测器在排出时检测蒸发的还原剂的温度。