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    • 81. 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。