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公开(公告)号：KR1020060017186A
公开(公告)日：2006-02-23
申请号：KR1020040065756
申请日：2004-08-20
Applicant: 한국화학연구원
CPC classification number: Y02A50/2322
Abstract: 본 발명은 질소산화물 정화용 촉매 및 이를 이용한 질소산화물의 정화방법에 관한 것으로, 보다 상세하게는 바나듐(V), 인(P) 및 표면에 히드록시기를 보유하고 있는 물질로 이루어진 V
X -P
Y -(히드록시기 보유물질)
Z 담체 95 내지 99.99 중량% 및 백금(Pt) 0.01 내지 5 중량%를 포함하는 질소산화물 정화용 촉매는 200℃ 이하의 낮은 온도에서 95% 이상의 NOx 전환율과 70% 이상의 N
2 로의 전환율로 질소산화물을 환원시킬 수 있기 때문에 촉매의 활성이 높아 자동차 운전 초기 배기가스의 온도가 낮을 때에도 NOx를 정화할 수 있고, 수소를 환원제로 사용하기 때문에 환원제가 대기에 누출되더라도 환경오염 문제가 없을 뿐만 아니라, 수증기와 SOx 분위기에서도 열화되지 않아 디젤자동차에서 배출되는 질소산화물을 정화하는데에 매우 유용하다.
질소산화물 정화용 촉매, 수소 환원, 선택적 환원, 디젤자동차-
82.发明授权
公开(公告)号：KR100516206B1
公开(公告)日：2005-09-23
申请号：KR1020030051035
申请日：2003-07-24
Applicant: 한국화학연구원
IPC: C07F9/6521
Abstract: 본 발명은 결정성 멜라민포스페이트의 제조방법에 관한 것으로서, 보다 상세하게는 분말상의 멜라민에 고농도의 인산수용액을 첨가하여 반응용매의 효과가 거의 나타나지 않는 건식법에 의한 멜라민포스페이트 제조반응을 일정수준까지 진행하고, 여기에 저농도의 인산수용액을 첨가하여 반응계를 물 분산상으로 전환하는 습식법에 의하여 멜라민포스페이트 제조반응을 진행함으로써, 결과적으로 수득된 멜라민포스페이트의 입자가 균일하고 미세한 크기를 나타내며, 멜라민과 인산의 반응이 효율적으로 일어나 반응 생성물 중에 잔류하는 미반응 멜라민 또는 인산 성분이 최소화되어, 과량의 물만을 사용하여 반응을 수행할 경우에 발생하는 반응 분산물의 엉킴현상에 의한 반응물 교착화 현상을 극복함으로써 반응 효율성을 개선한 결정성 멜라민 포스페이트의 제조방법에 관한 것이다.
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公开(公告)号：KR100493926B1
公开(公告)日：2005-06-10
申请号：KR1020020061271
申请日：2002-10-08
Applicant: 한국화학연구원 , 여천엔씨씨 주식회사
IPC: B01J31/34
Abstract: 본 발명은 올레핀, 특별히 에틸렌 소량화 촉매 조성물과 소량화 반응 방법에 관한 것으로, 더욱 상세하게는 Cr 화합물, 리간드, 알킬알루미늄로 구성되고, 리간드 성분으로 피리딘 골격의 2,6 위치에 적절한 배위자리를 갖는 원자를 포함하는 작용기가 치환된 3배위 피리딘 골격 리간드를 적용하며 또한 이들 구성 성분의 조합 비율을 조절함으로써, 올레핀, 특별히 에틸렌의 소량화 반응을 통하여 C
4 ∼C
10 범위의 올레핀을 선택적이며 높은 반응활성으로 제조하는 화학반응에 적용되는 새로운 형태의 촉매 조성물과 이의 적용 방법에 관한 것이다.-
公开(公告)号：KR1020050040530A
公开(公告)日：2005-05-03
申请号：KR1020030075776
申请日：2003-10-29
Applicant: 한국화학연구원
IPC: C07C29/154
Abstract: 본 발명은 당류를 수소화하여 당알콜을 제조하는 방법에 관한 것으로, 하기 화학식 1로 표시되는 촉매의 존재하에 당류를 수소화하면, 목적하는 당알콜을 고선택성 및 고수율로 촉매의 수시 재활성화 조작을 수행하지 않고도 장기간 안정적으로 제조할 수 있다:
CuO(a)SiO
2 (b)
이때, (a) 및 (b)는 중량을 기준으로 한 백분율로서, 각각 30∼90 및 10∼70 범위의 수이다.-
公开(公告)号：KR1020040075543A
公开(公告)日：2004-08-30
申请号：KR1020030011085
申请日：2003-02-21
Applicant: 한국화학연구원
IPC: C07D307/32
Abstract: PURPOSE: A method for preparing gamma-butyrolactone from maleic acid ester is provided, thereby improving the preparation yield and purity of gamma-butyrolactone under mild condition, and stably preparing the gamma-butyrolactone for a long time. CONSTITUTION: The method for preparing gamma-butyrolactone from maleic acid ester comprises hydrogenation of maleic acid ester in the presence of catalyst of formula: CuO(a)MnO2(b)M(c)SiO2(d) at atmospheric pressure to 12 atmosphere and 150 to 280 deg. C, wherein a, b, c and d are percentage of weight; a is 40 to 90: b is 0.15 to 5; c is 0.001 to 5; d is 5 to 50; and M is one or more metal oxides selected from Zn, Pt, Pd, Re, Ru, Rh, Ca and Mg; the catalyst is activated at 100 to 250 deg. C for 1 to 60 hours prior to the hydrogenation; the maleic acid ester is selected from dimethyl maleate, diethyl maleate, dipropyl maleate, diisopropyl maleate and dibutyl maleate.
Abstract translation: 目的：提供从马来酸酯制备γ-丁内酯的方法，从而在温和条件下提高γ-丁内酯的制备产率和纯度，并长期稳定制备γ-丁内酯。 构成：从马来酸酯制备γ-丁内酯的方法包括在大气压至12℃的大气压下，在式：CuO（a）MnO 2（b）M（c）SiO 2（d）的催化剂存在下马来酸酯的氢化和 150至280度 C，其中a，b，c和d是重量百分比; a为40〜90：b为0.15〜5; c为0.001〜5; d为5〜50; M是选自Zn，Pt，Pd，Re，Ru，Rh，Ca和Mg中的一种或多种金属氧化物; 催化剂在100至250℃下活化。 在氢化之前1至60小时; 马来酸酯选自马来酸二甲酯，马来酸二乙酯，马来酸二丙酯，马来酸二异丙酯和马来酸二丁酯。
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Patent Agency Ranking86.发明授权카르보닐기 함유 화합물의 수소화 또는 사이클로알콜의탈수소화 반응에 유용한 구리-실리카 촉매 및 이의 제조방법 失效카르보닐기함유화합물의수소화또는사이클로알콜의탈수소화반응에유용한구리 - 실리카촉매및이의제조방
公开(公告)号：KR100431898B1
公开(公告)日：2004-05-17
申请号：KR1020010047151
申请日：2001-08-04
Applicant: 한국화학연구원 , 에이케이홀딩스 주식회사
Abstract: PURPOSE: A preparation method of silica stabilized copper catalyst used in hydrogenating or dehydrogenating organic compounds is provided, and the catalyst prepared by the method is provided. CONSTITUTION: The preparation method of Cu/SiO2 catalyst comprises the steps of (a) preparing a slurry solution of copper hydroxide by adding a precipitant solution to an aqueous copper salt solution; (b) preparing a copper hydroxide-silica slurry solution by stirring the mixed solution after adding a colloidal silica solution to the slurry solution; (c) separating sediments from the solution and cleaning the sediment after aging the copper hydroxide-silica slurry solution at a temperature of 50 to 100 deg.C; and (d) drying and baking the cleaned sediment, wherein the precipitant is carbonate or hydroxide of alkaline metal, a weight ratio of copper oxide (CuO) to silica (SiO2) of catalyst is 9:1 to 3:7, the colloidal silica is stabilized by ammonium (NH4¬+), Na¬+ or other alkali metal, has a particle size of 4 to 60 nm, surface area of 100 to 300 m¬2/g and concentration of 5 to 60 wt.% on the basis of silica, and the aging is performed at a temperature of 60 to 90 deg.C for 0.5 to 24 hours.
Abstract translation: 目的：提供一种用于有机化合物加氢或脱氢的二氧化硅稳定的铜催化剂的制备方法，并提供该方法制备的催化剂。 构成：Cu / SiO2催化剂的制备方法包括以下步骤：（a）通过向铜盐水溶液中加入沉淀剂溶液制备氢氧化铜浆液; （b）在将所述胶体二氧化硅溶液加入到所述浆液中之后搅拌所述混合溶液来制备氢氧化铜 - 二氧化硅浆液; （c）在50-100℃的温度下老化氢氧化铜 - 二氧化硅浆液后，从溶液中分离沉淀物并清洗沉淀物; （d）将清洗过的沉淀物干燥并烘干，其中沉淀剂为碱金属碳酸盐或氢氧化物，氧化铜（CuO）与催化剂二氧化硅（SiO2）的重量比为9：1至3：7，胶体二氧化硅 由铵（NH 4 +; +）稳定，Na +或其它碱金属具有4-60nm的粒径，100-300m 2 / g的表面积和5-60重量％的浓度 以二氧化硅为基准，老化在60〜90℃的温度下进行0.5〜24小时。
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公开(公告)号：KR1020040031969A
公开(公告)日：2004-04-14
申请号：KR1020020061271
申请日：2002-10-08
Applicant: 한국화학연구원 , 여천엔씨씨 주식회사
IPC: B01J31/34
CPC classification number: B01J31/181 , B01J31/143 , B01J2531/62 , C07C2/02
Abstract: PURPOSE: Provided are catalyst and a method for ethylene oligomerization. The method can produce olefin with high reaction activity and selectivity by using pyridine derivatives as ligand in catalyst comprised of Cr compound, ligand and alkyl aluminum. CONSTITUTION: The catalyst is consisted of Cr compounds, 3-coordinative pyridine structure ligand, and alkyl aluminum, wherein the ligand is expressed as the formula 1, where R is hydrogen or C1-C6 alkyl group, -X1 and -X2 are =N and -P, respectively, wherein if the X1 or X2 is N(nitrogen), n is 1 whereas if X1 or X2 is P, n is 2, and wherein Ph is phenyl group or replaced phenyl group, and if the Ph is replaced phenyl group, the substituent is selected from a group being consisted of C1-C6 alkyl group and C1-C6 alkoxy group.
Abstract translation: 目的：提供催化剂和乙烯低聚方法。 该方法可以通过使用吡啶衍生物作为配体在由Cr化合物，配体和烷基铝组成的催化剂中，产生具有高反应活性和选择性的烯烃。 构成：催化剂由Cr化合物，3-配位吡啶结构配体和烷基铝组成，其中配体由式1表示，其中R是氢或C1-C6烷基，-X1和-X2是= N 和-P，其中如果X1或X2是N（氮），n是1，而如果X1或X2是P，n是2，并且其中Ph是苯基或取代的苯基，并且如果Ph被替换 苯基，取代基选自由C 1 -C 6烷基和C 1 -C 6烷氧基组成的基团。
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公开(公告)号：KR1020040002364A
公开(公告)日：2004-01-07
申请号：KR1020020071573
申请日：2002-11-18
CPC classification number: B01J37/18 , B01J23/8892 , C07C29/149 , C07C31/205
Abstract: PURPOSE: A hydrogenation catalyst which is capable of producing 1,3-propanediol at a high yield and has extended life time and industrial values is provided, and an optimized method for hydrogenating 3-hydroxy alkylpropane using the catalyst is provided. CONSTITUTION: The hydrogenation catalyst is characterized in that it is prepared by adding nano size colloidal silica to the produced particles and aging the nano size colloidal silica added particles after primarily producing particles in a mixed hydroxide form by adding an alkaline precipitant to an aqueous solution containing copper salt, manganese salt and zinc salt and represented as CuO(A)MnO2(B)ZnO(C)SiO2(D), where A is 40 to 85 wt.%, B is 0.15 to 4 wt.%, C is 0.001 to 2.5 wt.%, D is 10 to 60 wt.%, and the total sum of B and C is 5 wt.% or less. The method for preparing 1,3-propanediol comprises a step of activating the hydrogenation catalyst by reducing the hydrogenation catalyst in a stationary phase reactor using hydrogen gas or hydrogen contained gas; and a step of gas phase hydrogenating 3-hydroxy alkylpropane using hydrogen gas or hydrogen contained gas in the presence of the activated catalyst.
Abstract translation: 目的：提供能够以高产率生产1,3-丙二醇并延长使用寿命和工业价值的氢化催化剂，并提供使用该催化剂氢化3-羟基烷基丙烷的优化方法。 构成：氢化催化剂的特征在于，通过向生成的颗粒中加入纳米尺寸的胶态二氧化硅并且在主要通过混合氢氧化物形式生产颗粒之后老化纳米尺寸的胶体二氧化硅添加颗粒来制备，通过将碱性沉淀剂加入含有 铜盐，锰盐和锌盐，并表示为CuO（A）MnO 2（B）ZnO（C）SiO 2（D），其中A为40〜85重量％，B为0.15〜4重量％，C为0.001 至2.5重量％，D为10〜60重量％，B和C的总和为5重量％以下。 制备1,3-丙二醇的方法包括通过使用氢气或含氢气体在固定相反应器中还原加氢催化剂来活化氢化催化剂的步骤; 以及在活化催化剂存在下使用氢气或含氢气体气相氢化3-羟基烷基丙烷的步骤。
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89.发明公开복합금속산화물 촉매 및 이의 제조 방법, 및 이를이용하여 프탈산에스테르로부터 프탈라이드를 제조하는 방법 失效用于蒸气相氢化的复合金属氧化物催化剂，其制备方法以及使用复合金属氧化物催化剂制备邻苯二甲酸酯的方法
公开(公告)号：KR1020030083878A
公开(公告)日：2003-11-01
申请号：KR1020020022270
申请日：2002-04-23
Applicant: 한국화학연구원 , 에이케이홀딩스 주식회사
IPC: B01J23/889 , B01J23/80 , B82B1/00 , B82Y30/00
CPC classification number: B01J23/8892 , B01J23/8896 , B01J23/8986 , B01J37/038 , B01J37/06 , B01J37/08 , C07D307/85
Abstract: PURPOSE: Provided are a composite metal oxide catalyst for vapour phase hydrogenation, a preparation method thereof and a method for preparing phthalide from ester phthalate using the composite metal oxide catalyst, wherein the catalyst exhibits high selectivity, productivity and extended catalytic activity in the process of preparing phthalide from ester phthalate by vapour phase hydrogenation even under the mild conditions of low temperature at 130 to 220 deg.C, low pressure of 1 to 10 atm and low hydrogen/ester phthalate ratio ranging from 500 to 3,000. CONSTITUTION: The catalyst is represented as follows: £CuO(a)ZnO(b)MnO2(c)SiO2(d)|(100-x)M(x), where M is at least one oxide selected from the group consisting of Re oxides, Ru oxides and Ag oxides, a is 20 to 90, b is 0.01 to 10, c is 0.01 to 5, d is 5 to 65 and x is 0.001 to 5, wherein a, b, c, d and x are expressed on the basis of weight. The preparation method of the catalyst comprises the steps of preparing a mixed solution containing copper salt, zinc salt and manganese salt; adding an alkali solution to the mixed solution to coprecipitate copper, zinc and manganese in the form of hydrogel, wherein the temperature of the mixed solution is in the range of 1 to 30 deg.C and pH is kept in the range of 6 to 9; adding nano size colloidal silica to the hydrogel, thereby obtaining a mixed slurry, wherein the colloidal silica is stabilized by NH4¬+, Na¬+ and other alkali metal, and particle size and specific surface area thereof are 4 to 60 nm and 100 to 300 m¬2/g, respectively; hydrothermal aging the mixed slurry at 50 to 100 deg.C for more than 0.5 hr; filtering the mixed slurry after hydrothermal aging to separate cake, followed by washing the cake, wherein the washing is conducted until residual concentration of alkali metal is less than 1000 ppm; and drying and tableting the washed cake.
Abstract translation: 目的：提供一种用于汽相氢化的复合金属氧化物催化剂，其制备方法和使用该复合金属氧化物催化剂由邻苯二甲酸酯制备邻苯二甲酸酯的方法，其中该催化剂在该方法中表现出高选择性，生产率和延长的催化活性 即使在低温130〜220℃，低压1〜10大气压，低氢/酯邻苯二甲酸酯比例在500〜3000之间的温和条件下，通过气相氢化即可从邻苯二甲酸邻苯二甲酸酯制备苯酞。 构成：催化剂表示如下：CuO（a）ZnO（b）MnO 2（c）SiO 2（d）|（100-x）M（x），其中M是至少一种选自以下的氧化物： Re氧化物，Ru氧化物和Ag氧化物，a为20至90，b为0.01至10，c为0.01至5，d为5至65，x为0.001至5，其中a，b，c，d和x为 以重量为基础表达。 催化剂的制备方法包括制备含有铜盐，锌盐和锰盐的混合溶液的步骤; 向混合溶液中加入碱溶液以共沉淀水凝胶形式的铜，锌和锰，其中混合溶液的温度在1至30℃的范围内并且pH保持在6至9的范围内 ; 向水凝胶中加入纳米尺寸的胶体二氧化硅，从而得到混合浆料，其中胶体二氧化硅通过NH 4 +，Na + +和其它碱金属稳定，其粒度和比表面积为4〜60nm，100〜 分别为300m2 / g; 将混合浆液在50〜100℃水热老化超过0.5小时; 在水热老化后过滤混合浆料分离滤饼，然后洗涤滤饼，其中进行洗涤直到碱金属的残留浓度小于1000ppm; 并将洗涤的蛋糕干燥并压片。
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90.发明公开
公开(公告)号：KR1020030076851A
公开(公告)日：2003-09-29
申请号：KR1020020015828
申请日：2002-03-23
Applicant: 한국화학연구원
CPC classification number: B01J37/0009 , B01J23/80 , B01J37/038 , C07C5/322 , C07C29/149
Abstract: PURPOSE: A method for preparing copper/silica catalyst used in hydrogenation and dehydrogenation of organic compounds using acidic waste solution containing copper is provided. CONSTITUTION: The method for preparing copper/silica catalyst comprises a step (a) of preparing an aqueous copper solution by adding copper compound and arbitrary zinc compound to an acidic waste solution containing copper; a step (b) of preparing a copper slurry solution by adding a precipitant solution to the aqueous copper solution; a step (c) of preparing copper/silica slurry solution by adding colloidal silica solution to the copper slurry solution and stirring the colloidal silica solution and copper slurry solution; a step (d) of separating sediment and rinsing the separated sediment after aging the copper/silica slurry solution at a temperature of 50 to 100 deg.C; and a step (e) of drying and firing the rinsed sediment, wherein the precipitant is ammonia, or bicarbonate, carbonate or hydroxide of alkali metal, wherein the colloidal silica solution is added to the copper slurry solution in such a way that a weight ratio (CuO/SiO2) of copper oxide to silica in produced catalyst is in the range of 0.3-9.0/1, wherein zinc compound is used, and the colloidal silica solution is added to the copper slurry solution in such a way that a weight ratio (CuO/ZnO/SiO2) of copper oxide to zinc oxide to silica in produced catalyst is in the range of 0.3-9.0/0.01-3.0/1, wherein colloidal silica is stabilized by ammonium (NH4¬+) or Na¬+ or other alkali metal and has particle size of 4 to 60 nm, surface area of 100 to 300 m¬2/g and concentration of 5 to 60 wt.% based on silica, and wherein the aging is performed at a temperature of 50 to 100 deg.C for 0.5 to 24 hours.
Abstract translation: 目的：提供一种使用含铜的酸性废液进行有机化合物氢化脱氢的铜/二氧化硅催化剂的制备方法。 构成：制备铜/二氧化硅催化剂的方法包括通过在含铜的酸性废溶液中加入铜化合物和任意的锌化合物来制备铜水溶液的步骤（a） 通过向铜水溶液中添加沉淀剂溶液来制备铜浆液的步骤（b）; 通过向铜浆液中加入胶体二氧化硅溶液并搅拌胶体二氧化硅溶液和铜浆液，制备铜/二氧化硅浆料溶液的步骤（c）; 步骤（d）在50〜100℃的温度下对沉淀物进行分离并漂洗分离出的沉淀物; 以及干燥和烧制漂洗后的沉淀物的步骤（e），其中所述沉淀剂是氨，或碱金属的碳酸氢盐，碳酸盐或氢氧化物，其中所述胶体二氧化硅溶液以这样的方式加入到铜浆液中： 在制备的催化剂中氧化铜与二氧化硅的（CuO / SiO 2）在0.3-9.0 / 1的范围内，其中使用锌化合物，并将胶体二氧化硅溶液加入到铜浆液中，使得重量比 在所制备的催化剂中，氧化铜与氧化锌对二氧化硅的氧化铜（CuO / ZnO / SiO 2）在0.3-9.0 / 0.01-3.0 / 1的范围内，其中胶体二氧化硅通过铵（NH 4 +）或Na +或 其它碱金属，其粒径为4〜60nm，表面积为100〜300m2 / g，浓度为二氧化硅的5〜60重量％，其中老化在50〜100℃的温度下进行 摄氏0.5-2-24小时。
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