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    • 9. 发明公开
    • 촉매 시스템, 이를 포함하는 산화 반응기, 및 이를 이용한 아크롤레인 및 아크릴산의 제조방법
    • 催化剂体系,包含该催化剂体系的氧化反应器以及使用该催化剂体系生产丙烯酸和丙烯酸的方法
    • KR1020090079835A
    • 2009-07-22
    • KR1020090003833
    • 2009-01-16
    • 주식회사 엘지화학
    • 최병렬신현종최영현조영진김덕기박주연
    • B01J23/88B01J23/31B01J23/881B01J23/888
    • C07C45/35B01J8/067B01J23/002B01J2208/00513B01J2208/025B01J2219/00261B01J2523/00C07C45/33C07C51/215C07C51/252C07C47/22C07C57/04B01J2523/13B01J2523/54B01J2523/68B01J2523/842B01J2523/845
    • A catalyst system, an oxidation reactor comprising the catalyst system, and a process for producing acrolein and acrylic acid using the catalyst system are provided to prevent deterioration of catalyst, allow the catalyst to be stably used over a long period of time, and produce acrolein and acrylic acid to high selectivity and high yield. A catalyst system comprises: (1) complex catalytic particles obtained by molding a mixture of catalytic effective components and inert material; and (2) pure catalytic particles obtained by molding the catalytic effective components. Catalytic effective components in the composite catalytic particles and pure catalytic particles are metal oxides represented by the following chemical formula: MoaAbBcCdDeEfFgOh where Mo is molybdenum; A is one or more elements selected from the group consisting of Bi and Cr; B is one or more elements selected from the group consisting of Fe, Zn, Mn, Nb, and Te; C is one or more elements selected from the group consisting of Co, Rh, and Ni; D is one or more elements selected from the group consisting of W, Si, Al, Zr, Ti, Cr, Ag, and Sn; E is one or more elements selected from the group consisting of P, Te, As, B, Sb, Sn, Nb, Cr, Mn, Zn, Ce, and Pb; F is one or more elements selected from the group consisting of Na, K, Li, Rb, Cs, Ta, Ca, Mg, Sr, Ba, and MgO; and a, b, c, d, e, f, and g denote atomic ratios of the respective elements, wherein if a is 10, b is 0.01 to 10, c is 0.01 to 10, d is 0 to 10, e is 0 to 10, f is 0 to 20, g is 0 to 10, and h is a numerical value determined according to the oxidation state of the respective components.
    • 提供一种催化剂体系,包含该催化剂体系的氧化反应器和使用该催化剂体系制备丙烯醛和丙烯酸的方法,以防止催化剂劣化,使催化剂长时间稳定地使用,并产生丙烯醛 和丙烯酸以高选择性和高产率。 催化剂体系包括:(1)通过模制催化有效组分和惰性材料的混合物获得的复合催化剂颗粒; 和(2)通过模制催化有效成分获得的纯催化颗粒。 复合催化剂颗粒和纯催化颗粒中的催化有效成分是由以下化学式表示的金属氧化物:其中Mo是钼的MoaAbBcCdDeEfFgOh; A是选自Bi和Cr中的一种或多种元素; B是选自Fe,Zn,Mn,Nb和Te中的一种或多种元素; C是选自Co,Rh和Ni中的一种或多种元素; D是选自W,Si,Al,Zr,Ti,Cr,Ag和Sn中的一种或多种元素; E是选自P,Te,As,B,Sb,Sn,Nb,Cr,Mn,Zn,Ce和Pb中的一种或多种元素; F是选自Na,K,Li,Rb,Cs,Ta,Ca,Mg,Sr,Ba和MgO中的一种或多种元素; a,b,c,d,e,f,g表示各元素的原子比,其中,如果a为10,则b为0.01〜10,c为0.01〜10,d为0〜10,e为0 至10,f为0至20,g为0至10,h为根据各组分的氧化态确定的数值。