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公开(公告)号：KR1020050050389A
公开(公告)日：2005-05-31
申请号：KR1020030084115
申请日：2003-11-25
Applicant: 한국화학연구원
IPC: B01J20/06
CPC classification number: B01J20/06 , B01D53/02 , B01D2257/2025 , B01D2257/2045 , B01D2257/302 , B01D2257/304 , B01D2257/40 , B01J20/3078
Abstract: 본 발명은 산성기체 제거용 흡착제의 제조방법 및 산성기체의 제거방법에 관한 것으로, 구체적으로 산화아연을 준비하는 단계, 금속전구체를 산화아연에 담지하는 단계, 이후 수열 조건하에서 열처리하여 층상이중수산화물을 함유한 형태의 흡착제를 제조하는 단계 및 상기 흡착제를 고온 소성하여 복합산화물을 함유한 형태의 흡착제를 제조하는 단계를 포함하는 것으로 이루어진 흡착제 제조방법 및 산성기체의 제거 방법에 관한 것이다.
본 발명에 따른 산성기체 흡착제의 제조방법에 의해 제조된 흡착제는 층상이중수산화물 또는 복합산화물 형태를 포함하여 종래 산화아연에 의해 제조된 흡착제에 비해 향상된 흡착 속도 및 흡착 용량을 나타내어 석유화학 공정 등에 부생하는 산성기체 및 반도체 공정의 폐기체에 포함된 산성기체 화합물 등의 제거에 효과적으로 사용할 수 있다.-
92.发明授权
公开(公告)号：KR100419858B1
公开(公告)日：2004-02-25
申请号：KR1020010002734
申请日：2001-01-17
Applicant: 한국화학연구원
IPC: B01J23/755 , B01J21/04 , B01J21/06
Abstract: PURPOSE: The modified nickel-alumina catalyst for selective hydrogenation of diolefins of the present invention is manufactured by surface modifying gamma-alumina support with one element selected from zirconium, lanthanum and tin, and then it is further supported by nickel. CONSTITUTION: In a modified nickel-alumina catalyst for selective hydrogenation of diolefins that is manufactured by surface modifying gamma-alumina support with one element selected from zirconium, lanthanum and tin, and then it is further supported by nickel, the present invention is characterized in that gamma-alumina support is supported by one element selected from zirconium, lanthanum and tin in an amount of 0.2 to 10 wt.% and nickel in an amount of 0.5 to 10 wt.%, based on the weight of the gamma-alumina support. Before the modified nickel-alumina catalyst is used to convert diolefins to corresponding mono olefins through selective hydrogenation reaction, the modified nickel-alumina catalyst should undergo reduction stage at 400-500deg.C and pretreatment at 300-450deg.C in H2S gas atmosphere.
Abstract translation: 目的：本发明用于二烯烃选择性加氢的改性镍 - 氧化铝催化剂是通过用选自锆，镧和锡中的一种元素的表面改性γ-氧化铝载体制造的，然后再由镍负载。 本发明的特征在于：用选择性氢化二烯烃的改性镍 - 氧化铝催化剂，该催化剂是用选自锆，镧和锡中的一种元素的表面改性γ-氧化铝载体制造的，然后再由镍负载，本发明的特征在于 基于γ-氧化铝载体的重量，γ-氧化铝载体由选自锆，镧和锡中的一种元素负载0.2至10重量％的量，镍的量为0.5至10重量％ 。 在改性镍 - 氧化铝催化剂通过选择性加氢反应将二烯烃转化为相应的单烯烃之前，改性的镍 - 氧化铝催化剂应在400-500℃进行还原阶段，并在300-450℃在H2S气氛中进行预处理。
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公开(公告)号：KR1020030061145A
公开(公告)日：2003-07-18
申请号：KR1020020001672
申请日：2002-01-11
Applicant: 한국화학연구원
CPC classification number: B01J37/346 , B01J35/023 , B82Y30/00 , B82Y40/00
Abstract: PURPOSE: Provided is a production process for inorganic crystal nano assembly by microwave which uses thermal energy of microwave absorbed in nano adhesive to assemble crystals of the inorganic material so that it produces a novel material with multi-dimensional structure. CONSTITUTION: The production process for the inorganic crystal nano assembly by microwave is characterized by comprising the steps of: (i) preparing mixed solution of inorganic precursor or crystal solution of the inorganic material selected from porous molecular sieves and two-dimensional layered compounds; and (ii) adding metal ions or metal oxides to a sealed reactor as nano adhesive, in which the metal ions or the metal oxides show higher dielectric constant than the inorganic material and then radiating microwave.
Abstract translation: 目的：提供一种微波无机晶体纳米装配的生产工艺，利用纳米粘合剂吸收的微波热能来组装无机材料的晶体，从而产生具有多维结构的新型材料。 构成：通过微波制备无机晶体纳米组件的制备方法的特征在于包括以下步骤：（i）制备选自多孔分子筛和二维层状化合物的无机材料的无机前体或晶体溶液的混合溶液; 和（ii）将金属离子或金属氧化物作为纳米粘合剂添加到密封的反应器中，其中金属离子或金属氧化物显示比无机材料更高的介电常数，然后辐射微波。
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Patent Agency Ranking
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：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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公开(公告)号：KR1020010046301A
公开(公告)日：2001-06-15
申请号：KR1019990050014
申请日：1999-11-11
Applicant: 한국화학연구원
IPC: C07C1/04
CPC classification number: B01J23/78 , C07C1/12 , C07C2523/04 , C07C2523/72 , C07C2523/745 , C07C2523/78
Abstract: PURPOSE: A Fe-Cu-K/γ-Al2O3 catalyst for manufacturing a hydrocarbon, is provided which has good catalytic activity and stability so as to produce the hydrocarbon with high yield more than 2,000 hours. And a method for preparing the hydrocarbon using the same is also provided. CONSTITUTION: The Fe-Cu-K/γ-Al2O3 catalyst used for manufacturing a hydrocarbon by a hydrogenation of the carbon dioxide contains 5-50 wt.% of Fe regarding the total catalyst weight, 0.07-1 wt.% of K regarding the weight of the Fe and 0.05-0.5 wt.% of Cu regarding the weight of the Fe. The hydrocarbon is prepared by introducing raw materials gas comprising H2 and CO2 in a volumetric ratio of 1:1-1:5 at a space speed of 500-20,000 per hour into a reactor and hydrogenating the CO2 in the presence of reduced and activated Fe-Cu-K/γ-Al2O3 catalyst under pressure of 1-100 and at a temperature of 200-500 deg.C.
Abstract translation: 目的：提供一种用于制造烃的Fe-Cu-K /γ-Al2O3催化剂，其具有良好的催化活性和稳定性，以便以高产率生产烃类超过2000小时。 还提供了使用其制备烃的方法。 构成：用于通过二氧化碳氢化制造烃的Fe-Cu-K /γ-Al 2 O 3催化剂含有关于总催化剂重量的5-50重量％的Fe，关于总催化剂重量的0.07-1重量％的K Fe的重量和关于Fe的重量的0.05-0.5重量％的Cu。 通过将原料气体以1：1-1：5的体积比将原料气体以500-20,000 /小时的速度引入反应器并在还原和活化的Fe的存在下氢化，从而制备碳氢化合物 -Cu-K /γ-Al2O3催化剂，压力为1-100，温度为200-500℃。
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公开(公告)号：KR100124972B1
公开(公告)日：1997-11-27
申请号：KR1019940010611
申请日：1994-05-16
Applicant: 한국화학연구원
Abstract: A method of making a single crystal gallium nitride thin film includes the steps of: providing ammonia gas on a sapphire substrate to deposit an aluminum nitride film layer as a buffer layer; providing gallium salt and heteroepitaxially growing a thin film of single crystal GaN on the aluminum nitride film layer by HVPE (halide vapor phases epitaxy). This thin film comprises a wurtzite structure which shows few crystal defects.
Abstract translation: 制造单晶氮化镓薄膜的方法包括以下步骤：在蓝宝石衬底上提供氨气以沉积氮化铝膜层作为缓冲层; 提供镓盐，并通过HVPE（卤化物蒸气相外延）在氮化铝膜层上异质外延生长单晶GaN薄膜。 该薄膜包括显示出很少的晶体缺陷的纤锌矿结构。
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公开(公告)号：KR1019950025122A
公开(公告)日：1995-09-15
申请号：KR1019940001994
申请日：1994-02-03
Applicant: 한국화학연구원
IPC: C30B25/02
Abstract: 본발명은 나이트라이드 화합물을 이종물체의 표면에 피복시킬 때 이용되는 레이저 VPE(laser- as-sisted vapor phase epitaxy) 방법과 그 장치에 관한 것으로서, 더욱 상세하게는 나이트라이드(N) 화합물을 다른 종류의 기판상에 피복시킬 때 파장공명적 레이져 광 에너지를 선정하여 사용하므로써 광화학 반응에 기초한 헤테로에피탁시(hetero-elpitaxy) 방법으로 나이트라이드 화합물을 종래보다 비교적 낮은 온도에서 실시하여 결함구조 없이 피복을 성장시킬 수 있는 새로운 레이저 VPE 방법과, 이러한 VPE 방법을 이용할 수 있도록 구성된 레이저 VPE 장치에 관한 것이다.
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