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公开(公告)号：KR1020030044346A
公开(公告)日：2003-06-09
申请号：KR1020010075062
申请日：2001-11-29
Applicant: 한국가스공사 , 한국화학연구원 , 주식회사 경동도시가스
IPC: C01B3/32
CPC classification number: C01B3/384 , B01J19/249 , B01J2219/00157 , B01J2219/2453 , B01J2219/2458 , B01J2219/2465 , B01J2219/2466 , B01J2219/2467 , B01J2219/2474 , C01B3/48 , C01B2203/00 , C01B2203/0233 , C01B2203/0288 , C01B2203/044 , C01B2203/047 , C01B2203/048 , C01B2203/0811 , C01B2203/0822 , C01B2203/0827 , C01B2203/0883 , C01B2203/1241 , C01B2203/127 , C01B2203/1288 , C01B2203/16 , C01B2203/1614 , C01B2203/82 , H01M8/0612 , H01M8/0668 , H01M8/0675 , Y02P20/128
Abstract: PURPOSE: A plate type steam reformer which effectively preheats reforming reactor as well as high and low temperature shift reactors and controls flow amount of flue gas using damper, thereby controlling temperature of each reactor to a desired temperature to obtain gas containing sufficient hydrogen is provided. CONSTITUTION: The plate type steam reformer is characterized in that a plate type burner(1) capable of heating a large area is installed at the lower side as a heat source, a high temperature shift reactor(4) requiring a relatively lower high temperature is stacked in the upper side of the reforming reactor(3) as a reforming reactor(3) requiring a relatively higher high temperature is being stacked in the upper side of the burner(1), a low temperature reforming reactor(5) requiring low temperature is stacked in the upper side of the high temperature shift reactor(4), and a relevant separation plate(7) is installed between each of the reactors(3,4,5) so that required heat is supplied to the reactors(3,4,5) as combustion flue gas of high temperature generated from the burner(1) is passing through the respective reactors(3,4,5) in such a way that the combustion flue gas of high temperature encircles the reactors(3,4,5).
Abstract translation: 目的：提供一种板式蒸汽重整器，其有效预热重整反应器以及高温和低温变换反应器，并使用阻尼器控制烟道气的流量，从而将每个反应器的温度控制到所需温度以获得含有足够氢的气体。 构成：板式蒸汽重整器的特征在于，作为热源的下侧设有能够大面积加热的板式燃烧器（1），需要较低温度的高温变换反应器（4）为 堆叠在重整反应器（3）的上侧，作为在燃烧器（1）的上侧堆叠需要相对较高的高温的重整反应器（3），需要低温的低温重整反应器（5） 堆叠在高温变换反应器（4）的上侧，并且在每个反应器（3,4,5）之间安装相关的分离板（7），从而将所需的热量供应到反应器（3， 由燃烧器（1）产生的高温燃烧烟道气通过各个反应器（3,4,5），使得高温燃烧废气包围反应器（3,4） ，5）。
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公开(公告)号：KR100358222B1
公开(公告)日：2003-05-16
申请号：KR1019970050302
申请日：1997-09-30
Applicant: 한국화학연구원
IPC: B01J23/745 , B01J35/02 , C07C5/333 , C07C15/46
Abstract: PURPOSE: A catalyst capable of improving conversion ratio of dehydrogenation reaction of aromatic hydrocarbons such as ethyl benzene when using carbon dioxide as oxidizing agent is provided, and a dehydrogenation method of aromatic hydrocarbons using the catalyst is provided. CONSTITUTION: The iron oxide supported catalyst for dehydrogenation reaction of aromatic hydrocarbons is represented as the following general formula 1: (Fe¬IIxFe¬IIIyOz)/S, where iron oxide of the initial state satisfies the conditions that x=0.1 to 2, x+y=3, z=(2x+3y)/2, and S is a catalyst support selected from the group consisting of zeolite, activated carbon, γ-alumina, and silica, wherein the iron oxide is contained in the catalyst support in a concentration of 0.1 to 50 wt.%. The dehydrogenation method is characterized in that the aromatic hydrocarbons are dehydrogenated at a temperature of 500 to 700 deg.C by using carbon dioxide as diluting gas, wherein the aromatic hydrocarbons is ethyl benzene, and the diluting gas of carbon dioxide is used in the amount range of 1 to 100 times of aromatic hydrocarbons.
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公开(公告)号：KR100383221B1
公开(公告)日：2003-05-12
申请号：KR1020010002732
申请日：2001-01-17
Applicant: 한국화학연구원
Abstract: PURPOSE: Provided is a catalyst for dehydrogenation of alkylaromatic hydrocarbons, which has improved reaction activity and excellent selectivity to target products in the case that the catalyst is applied to dehydrogenation of alkylaromatic hydrocarbons conducted in the presence of moisture, by adding a specific amount of zirconium to conventional iron oxides in the form of cerium-zirconium complex oxides. CONSTITUTION: In a catalyst comprising iron oxide, potassium oxide, cerium oxide, calcium oxide, molybdenum oxide and magnesium oxide, the present invention is characterized in that the catalyst further contain zirconium oxide in an amount of 0.5 to 10 wt.% and cerium oxide in an amount of 0.5 to 8.0 wt.%, based on the total weight of the catalyst.
Abstract translation: 本发明提供了一种烷基芳烃脱氢催化剂，该催化剂在催化剂用于在水分存在下进行的烷基芳烃脱氢的情况下，具有改进的反应活性和对目标产物优异的选择性，通过加入特定量的锆 传统的铈 - 锆复合氧化物形式的氧化铁。 构成：在含有氧化铁，氧化钾，氧化铈，氧化钙，氧化钼和氧化镁的催化剂中，本发明的特征在于，该催化剂还含有0.5-10％（重量）的氧化锆和氧化铈 其量为催化剂总重量的0.5至8.0重量％。
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公开(公告)号：KR100336968B1
公开(公告)日：2002-05-17
申请号：KR1019990050013
申请日：1999-11-11
Applicant: 한국화학연구원
IPC: B01J23/755 , B01J31/38
Abstract: 본발명은수식된지르코니아담지니켈계개질촉매및 이를이용한천연가스로부터합성가스의제조방법에관한것으로서, 더욱상세하게는알칼리토금속, ⅢB족금속또는이들의혼합금속으로수식된지르코니아담체상에, 니켈금속과함께알칼리금속, 알칼리토금속또는이들의혼합금속이조촉매로서담지되어있는다음화학식 1로표시되는신규니켈계개질촉매와, 상기한신규니켈계개질촉매상에서메탄의이산화탄소에의한개질반응을수행하여코크생성에의한촉매비활성화없이일산화탄소및 수소의혼합물인합성가스를고수율로제조하는방법에관한것이다. 상기화학식 1에서 : M및 M는각각발명의상세한설명란에서정의한바와같다.
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公开(公告)号：KR1020020034745A
公开(公告)日：2002-05-09
申请号：KR1020000065245
申请日：2000-11-03
Applicant: 한국화학연구원
IPC: B01J13/04
CPC classification number: H05B6/806 , B01J19/126 , B01J20/0292 , B01J20/18 , B01J2219/00033 , B01J2219/089 , B01J2219/1227 , C01B39/16 , C01B39/24 , C01B39/38 , C01B39/40 , C01B39/46 , C01B39/54
Abstract: PURPOSE: Provided are the preparation method and the equipments of inorganic materials such as porous molecules, layered structure compounds and ceramic devices using continuous microwave synthesis which reduces the synthesis and crystallization time. Mass production is possible by the method because it is a continuous process and the use of organic template material is not needed when the porous molecular sieve are made. CONSTITUTION: The method includes the steps of preparing the precursor solution of the inorganic materials such as porous molecules with micropore, two-dimensional layered structure compounds and the ceramic materials; introducing the above solution into a tube type reactor continuously; and irradiating microwave with 60-1200 watt at the atmospheric pressure of 1 to 400 psi. The above porous molecules are selected from zeolite with pore size of 3-8Å, zeolite substituted by transition metals and mesoporous materials with a pore size of 20-150Å chosen from aluminosilicate, aluminophosphate and silicoaluminophosphate and 0-20wt.% of the above porous molecules with the size of 50-500 nm nuclear seed are included in the synthetic solution. The above two-dimensional layered structure compounds are selected from hydrotalcite type layered double hydrates and the mixed oxides derived from them. The above ceramic materials are chosen from metal ferrite compounds containing Zn, Ni, Mn and Co, spinel oxides. The equipment includes input tank of synthesis solution, tube type reactor, cylindrical reactor and the microwave reactor(30) equipped with microwave irradiation device(33).
Abstract translation: 目的：提供使用连续微波合成的多孔分子，层状结构化合物和陶瓷器件等无机材料的制备方法和设备，减少了合成和结晶时间。 通过该方法可以进行批量生产，因为它是连续的方法，并且当制备多孔分子筛时不需要使用有机模板材料。 构成：该方法包括以下步骤：制备无机材料的前体溶液，例如具有微孔的多孔分子，二维层状结构化合物和陶瓷材料; 将上述溶液连续引入管式反应器; 并在1至400psi的大气压下照射60-1200瓦的微波。 上述多孔分子选自孔径为3-8的沸石，由过渡金属取代的沸石和孔径为20-150的介孔材料，选自铝硅酸盐，磷酸铝和硅铝磷酸盐和0-20重量％的上述多孔分子 其中大约50-500纳米核子种子被包括在合成溶液中。 上述二维层状结构化合物选自水滑石型层状双水合物和由它们衍生的混合氧化物。 上述陶瓷材料选自含有Zn，Ni，Mn和Co的尖晶石氧化物的金属铁氧体化合物。 该设备包括合成溶液输入罐，管式反应器，圆柱形反应器和装有微波辐射装置（33）的微波反应器（30）。
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Patent Agency Ranking
公开(公告)号：KR1020020024713A
公开(公告)日：2002-04-01
申请号：KR1020000056495
申请日：2000-09-26
Applicant: 한국화학연구원 , 세우엔지니어링 주식회사
IPC: B01J21/06 , B01J23/755 , B01J23/58
CPC classification number: B01J23/755 , C07C5/02
Abstract: PURPOSE: Provided are a selective hydrogenation catalyst and a selective hydrogenation process of diolefin compound using the catalyst. The above catalyst is tetragonal Ni/Zr type and is used in the selective hydrogenation of diolefin compounds that are contained in the carbohydrate mixtures into mono-olefin compounds. CONSTITUTION: The preparation method of the above catalyst comprises: 0.1-5wt.% (based on the hydrate) of Ni alone or having 0.1-5mol.% (based on Zr carrier) of a cocatalyst selected from Pd, Pt, Ag, Cu, Mo and B and its carrier of Zr alone or modified by one metal chosen from Ca, lanthanide metals such as Se and La, IIIB group metal(silicone) or IVB group metal(Al). The above selective hydrogenation is conducted in the temperature range of 80 to 250°C at a pressure of 1 to 12 atm. and at space velocity of 4 to 12/h (based on the volume of liquid reactant).
Abstract translation: 目的：提供选择性氢化催化剂和使用催化剂的二烯烃化合物的选择性氢化方法。 上述催化剂是四方晶Ni / Zr型，用于将碳水化合物混合物中所含的二烯烃化合物选择氢化成单烯烃化合物。 构成：上述催化剂的制备方法包括：0.1-5重量％（基于水合物）单独或具有0.1-5摩尔％（基于Zr载体）的选自Pd，Pt，Ag，Cu的助催化剂 ，Mo和B及其载体的Zr单独或由选自Ca，镧系金属如Se和La，IIIB族金属（硅氧烷）或IVB族金属（Al）的一种金属改性。 上述选择性氢化在80-250℃的温度范围内以1至12atm的压力进行。 空速为4至12 / h（基于液体反应物的体积）。
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17.发明公开
公开(公告)号：KR1020020021721A
公开(公告)日：2002-03-22
申请号：KR1020000054443
申请日：2000-09-16
Applicant: 한국화학연구원 , 한국가스공사 , 주식회사 경동도시가스
IPC: B01J21/06 , B01J23/755 , B01J27/057
CPC classification number: B01J23/755 , B01J23/10 , C01B3/26
Abstract: PURPOSE: According to steam reforming reaction using nickel reforming catalyst(Ni/Ce-ZrO2) where synthesis gas containing hydrogen as primary ingredient is prepared from natural gas comprising primary methane, the present nickel reforming catalyst(Ni/Ce-ZrO2) has superior methane conversion rate when used as catalyst for steam reforming. CONSTITUTION: The nickel reforming catalyst(Ni/Ce-ZrO2) for preparing synthesis gas is characterized in that zirconia coated with cerium 0.01-1.0mol.% is further supported with nickel 5-20wt.%. The method for preparing synthesis gas from natural gas by steam reforming is performed by steam reforming reaction under operation conditions that reaction a mole ratio of methane and steam is 1:2-7, a reaction temperature is 600 to 1000deg.C, a reaction pressure is 0.5-30atm and a space velocity is 1000-500000cc.
Abstract translation: 目的：本发明镍重整催化剂（Ni / Ce-ZrO2）具有优异的甲烷含量，采用镍重整催化剂（Ni / Ce-ZrO2）进行蒸汽重整反应，其中以氢为主要成分的合成气由原始甲烷组成， 用作蒸汽重整催化剂时的转化率。 构成：用于制备合成气的镍重整催化剂（Ni / Ce-ZrO 2）的特征在于涂覆有0.01-1.0mol％的铈的氧化锆进一步以5-20wt％的镍负载。 通过蒸汽重整从天然气制备合成气的方法是在甲烷和蒸汽的摩尔比为1：2-7，反应温度为600〜1000℃，反应压力为 为0.5-30atm，空速为1000-500000cc。
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公开(公告)号：KR100288122B1
公开(公告)日：2001-05-02
申请号：KR1019980057206
申请日：1998-12-22
Applicant: 한국화학연구원
IPC: C07C39/06
Abstract: 본 발명은 하이드록시화 방향족 화합물의 알킬화 방법에 관한 것으로서, 더욱 상세하게는 산성도와 동공의 크기가 적절히 선택/조절된 다공성 고체산 촉매상에서 올레핀이나 알콜을 이용하여 50 ∼ 200℃ 및 1 ∼ 20 기압의 조건하에서 하이드록시화 방향족 화합물의 알킬화를 수행하여 기존의 균일 촉매계에 의한 액상 알킬화 반응이 갖는 단점을 극복하고, 높은 선택도와 전환율로 하이드록시화 방향족 화합물을 알킬화하는 방법에 관한 것이다.
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公开(公告)号：KR100284936B1
公开(公告)日：2001-04-02
申请号：KR1019980064109
申请日：1998-12-31
Applicant: 한국화학연구원
Abstract: 본 발명은 과량 산소 조건에서 배출되는 질소 산화물을 선택적으로 환원할 수 있는 귀금속 담지 제올라이트 촉매의 제조 방법에 관한 것으로서, 팔라듐(Pd), 백금(Pt), 로듐(Rh), 금(Au)을 포함하는 촉매 활성 귀금속 성분을 높은 실리카 함량(Si/Al〉10)의 제올라이트에 담지하는데 있어서 새로운 담지법을 이용하므로써, 천연가스를 환원제로 한 고활성 탈질 촉매를 쉽고 재현성 있게 제조할 수 있도록, 제올라이트 세공을 보호할 수 있는 유기물질을 미리 세공 내에 채워 넣은 상태에서 활성 귀금속 촉매성분을 담지하는 함침 또는 이온 교환법에 의하여, 고활성 탈질 촉매 설계에 필수적인 귀금속 성분을 제올라이트 세공의 원하는 위치에 정확히 담지할 수 있다. 이와 같은 새로운 방법에 의하여 제조된 촉매는, 제올라이트 세공을 보호하지 않은 상태에서 활성 귀금속 성분을 담지하는 종래의 함침법에 비하여 높은 탈질활성을 나타낼 뿐만 아니라 과량 산소 분위기 하에서도 천연가스를 환원제로 하여 높은 활성으로 질소 산화물을 선택적 환원할 수 있으므로, 가스터빈이나 보일러 등과 같은 고정원이나 린번 엔진과 같이 과량의 산소가 포함되어 있는 배출가스로부터의 질소 산화물 제거에 유용하다.
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公开(公告)号：KR1020000047307A
公开(公告)日：2000-07-25
申请号：KR1019980064109
申请日：1998-12-31
Applicant: 한국화학연구원
CPC classification number: B01J37/0207 , B01D53/8628 , B01D53/9418 , B01D2251/208 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/106 , B01D2255/2065 , B01D2255/502 , B01J29/068 , B01J29/44 , B01J37/0018 , Y02A50/2325
Abstract: PURPOSE: A method for preparing a noble metal-dipped zeolite-based denitrifying catalyst is provided, which catalyst reduces selectively nitrogen compounds in the presence of excess oxygen by using natural gas as a reducing agent to remove the nitrogen gas. CONSTITUTION: A method comprises the steps of filling the cavity of zeolite with an organic compound of molecular weight 100-250; and dipping catalytically active noble metals into the zeolite. Preferably the noble metal is selected from the group consisting of platinum, palladium, rhodium and gold. The organic compound is alcohols or amines containing a secondary propyl group, a tertiary butyl group or a tertiary pentyl group; salts of OH, Cl, Br or I of amines containing a secondary propyl group, a tertiary butyl group or a tertiary pentyl group; or quinones. The amount of noble metals is 0.3-2.0 wt% based on the total weight of the dry catalyst, and the amount of the organic compound is 0.5-5 mol per 1 mol Al of zeolite. Preferably 0.5-5.0 wt% of titiana, vanadia or ceria is added further.
Abstract translation: 目的：提供一种制备贵金属浸渍沸石基反硝化催化剂的方法，该催化剂通过使用天然气作为还原剂来选择性地在过量氧的存在下还原氮化合物以除去氮气。 构成：一种方法包括以下步骤：用分子量为100-250的有机化合物填充沸石的空腔; 并将催化活性的贵金属浸入沸石中。 贵金属优选选自铂，钯，铑和金。 有机化合物是含有仲丙基，叔丁基或叔戊基的醇或胺; 含有仲丙基，叔丁基或叔戊基的胺的OH，Cl，Br或I的盐; 或醌类。 贵金属的量相对于干催化剂的总重量为0.3〜2.0重量％，有机化合物的量为1摩尔Al沸石为0.5〜5摩尔。 优选进一步加入0.5-5.0重量％的氧化钛，氧化钒或氧化铈。
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