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    • 81. 发明授权
    • 카르보닐기 함유 화합물의 수소화 또는 사이클로알콜의탈수소화 반응에 유용한 구리-실리카 촉매 및 이의 제조방법
    • 카르보닐기함유화합물의수소화또는사이클로알콜의탈수소화반응에유용한구리 - 실리카촉매및이의제조방
    • KR100431898B1
    • 2004-05-17
    • KR1020010047151
    • 2001-08-04
    • 한국화학연구원에이케이홀딩스 주식회사
    • 이정호김형록한요한신현관최낙모우항수김인기김성재주동균
    • B01J23/72B01J21/08B82Y30/00
    • 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.
    • 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。
    • 83. 发明公开
    • 3-하이드록시프로판산 알킬로부터 1,3-프로판디올을 제조하는 방법
    • 加氢催化剂及使用其制备3-羟基烷基丙酸的1,3-丙二醇的方法
    • KR1020040002364A
    • 2004-01-07
    • KR1020020071573
    • 2002-11-18
    • 삼성전자주식회사한국화학연구원
    • 이병노이정호김형록한요한장은주
    • B01J23/80B82B1/00B82Y30/00
    • B01J37/18B01J23/8892C07C29/149C07C31/205
    • 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.
    • 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。
    • 84. 发明公开
    • 복합금속산화물 촉매 및 이의 제조 방법, 및 이를이용하여 프탈산에스테르로부터 프탈라이드를 제조하는 방법
    • 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
    • KR1020030083878A
    • 2003-11-01
    • KR1020020022270
    • 2002-04-23
    • 한국화학연구원에이케이홀딩스 주식회사
    • 이정호김형록한요한정석종최낙모우항수김인기
    • B01J23/889B01J23/80B82B1/00B82Y30/00
    • B01J23/8892B01J23/8896B01J23/8986B01J37/038B01J37/06B01J37/08C07D307/85
    • 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.
    • 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。
    • 85. 发明公开
    • 구리 성분 함유 산폐액을 사용한, 수소화 및 탈수소화반응용 구리/실리카 촉매의 제조 방법
    • 制备铜/二氧化硅催化剂的方法,用于使用含有铜的酸性废物溶液进行氢化和脱氢反应
    • KR1020030076851A
    • 2003-09-29
    • KR1020020015828
    • 2002-03-23
    • 한국화학연구원
    • 이정호김형록한요한정석종
    • B01J23/72B01J37/00
    • B01J37/0009B01J23/80B01J37/038C07C5/322C07C29/149
    • 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.
    • 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。