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    • 86. 发明公开
    • PVD 지지된 혼합 금속 산화물 촉매
    • PVD支持的混合金属氧化物催化剂
    • KR1020040002671A
    • 2004-01-07
    • KR1020030041369
    • 2003-06-25
    • 롬 앤드 하스 캄파니
    • 차터베디산제이첸징구앙클락마이클브루스,주니어가프니앤매이
    • B01J37/00
    • C07C51/252B01J23/002B01J23/28B01J23/6525B01J27/0576B01J35/04B01J35/06B01J37/0228B01J37/0238B01J37/0244B01J37/34B01J2523/00C07C51/215C07C253/24Y02P20/52C07C57/04B01J2523/55B01J2523/56B01J2523/64B01J2523/68B01J2523/53B01J2523/69B01J2523/47B01J2523/72B01J2523/57B01J2523/824B01J2523/821B01J2523/31B01J2523/845B01J2523/33C07C255/08
    • PURPOSE: An improved catalyst for the oxidation of alkanes, or a mixture of alkanes and alkenes, to their corresponding unsaturated carboxylic acids by vapor phase catalytic partial oxidation, a method of making and supporting the catalyst, and a process for the vapor phase catalytic partial oxidation of alkanes, or a mixture of alkanes and alkenes, to their corresponding unsaturated carboxylic acids are provided. CONSTITUTION: The process for the preparation of a supported catalyst comprises the steps of (a) providing a catalyst support; (b) sequentially depositing on the support a catalyst composition comprising, in random order, as essential elements, at least one layer comprising Mo, at least one layer comprising V, at least one layer comprising Te, and at least one layer comprising X, wherein X is at least one element selected from the group consisting of Nb, Ta, W, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, Sb, Bi, B, In and Ce, to form a loaded support, the sequential vapor deposition providing relative amounts of the elements such that, after a calcination of the loaded support, the relative amounts of the elements satisfy the following expression: MoaVbTecXd, wherein a, b, c and d are the relative atomic amounts of the essential elements Mo, V, Te and X, respectively, and, when a=1, b=0.01 to 1.0, c=0.01 to 1.0 and d=0.01 to 1.0; and (c) calcining the loaded support. The catalytic process comprises the steps of (a) providing a catalyst support; (b) sequentially depositing on the support a catalyst composition comprising, in random order, as essential elements, at least one layer comprising Mo, at least one layer comprising V, at least one layer comprising Te, and at least one layer comprising X, wherein X is at least one element selected from the group consisting of Nb, Ta, W, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, Sb, Bi, B, In and Ce, to form a loaded support, the sequential vapor deposition providing relative amounts of the elements such that, after a calcination of the loaded support, the relative amounts of the elements satisfy the following expression: MoaVbTecXd, wherein a, b, c and d are the relative atomic amounts of the essential elements Mo, V, Te and X, respectively, and, when a=1, b=0.01 to 1.0, c=0.01 to 1.0 and d=0.01 to 1.0; (c) calcining the loaded support; and (d) subjecting a feed including an alkane or a mixture of an alkane and an alkene to a vapor phase catalytic partial oxidation reaction in the presence of the calcined loaded support.
    • 目的:通过汽相催化部分氧化将烷烃或烷烃和烯烃的混合物氧化成相应的不饱和羧酸的改进的催化剂,制备和负载催化剂的方法以及气相催化部分的方法 提供烷烃或烷烃和烯烃的混合物氧化成其相应的不饱和羧酸。 构成:制备载体催化剂的方法包括以下步骤:(a)提供催化剂载体; (b)在所述载体上依次沉积催化剂组合物,所述催化剂组合物以随机顺序作为必要元素包含至少一个包含Mo的层,至少一层包含V,至少一层包含Te的至少一层,以及包含X, 其中X是选自Nb,Ta,W,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pd,Pt,Sb,Bi,B,In中的至少一种元素 Ce,以形成负载的载体,顺序气相沉积提供元素的相对量,使得在加载的载体的煅烧之后,元素的相对量满足以下表达式:MoaVbTecXd,其中a,b,c和 d分别为基本元素Mo,V,Te和X的相对原子量,当a = 1时,b = 0.01〜1.0,c = 0.01〜1.0,d = 0.01〜1.0; 和(c)煅烧负载的载体。 催化方法包括以下步骤:(a)提供催化剂载体; (b)在所述载体上依次沉积催化剂组合物,所述催化剂组合物以随机顺序作为必要元素包含至少一个包含Mo的层,至少一层包含V,至少一层包含Te的至少一层,以及至少一层包含X, 其中X是选自Nb,Ta,W,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pd,Pt,Sb,Bi,B,In中的至少一种元素 Ce,以形成负载的载体,顺序气相沉积提供元素的相对量,使得在加载的载体的煅烧之后,元素的相对量满足以下表达式:MoaVbTecXd,其中a,b,c和 d分别为基本元素Mo,V,Te和X的相对原子量,当a = 1时,b = 0.01〜1.0,c = 0.01〜1.0,d = 0.01〜1.0; (c)煅烧装载的支架; 和(d)在煅烧负载的载体的存在下,使包含烷烃或烷烃和烯烃的混合物的进料进行气相催化部分氧化反应。
    • 88. 发明公开
    • 혼합 금속 산화물 촉매
    • 混合金属氧化物催化剂
    • KR1020020095443A
    • 2002-12-26
    • KR1020020033111
    • 2002-06-14
    • 롬 앤드 하스 캄파니
    • 차터베디샌제이가프니앤메이송루오지빅커리엘시메이
    • B01J23/887
    • C07C51/252B01J23/002B01J23/20B01J23/28B01J23/6525B01J23/686B01J27/0576B01J37/0238B01J2523/00C07C51/215C07C253/24Y02P20/52C07C57/04C07C255/08B01J2523/55B01J2523/56B01J2523/64B01J2523/68
    • PURPOSE: Provided are an improved catalyst for the oxidation of alkanes or a mixture of alkanes and alkenes to their corresponding unsaturated carboxylic acids by vapor phase catalytic partial oxidation; a method of making the catalyst; and a process for the vapor phase catalytic partial oxidation of alkanes or a mixture of alkanes and alkenes to their corresponding unsaturated carboxylic acids. CONSTITUTION: A process for improving the performance characteristics of a catalyst, comprises: (a) providing a catalyst comprising a mixed metal oxide having a base composition empirical formula AaDbEcXdOe, wherein A is at least one element selected from the group consisting of Mo and W, D is at least one element selected from the group consisting of V and Ce, E is at least one element selected from the group consisting of Te, Sb and Se, and X is at least one element selected from the group consisting of Nb, Ta, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pt, Sb, Bi, B, In, As, Ge, Sn, Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra, Hf, Ag, Pb, P, Pm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu; and, when a=1, b=0.01 to 1.0, c=0.01 to 1.0, d=0.01 to 1.0, and e is dependent on the oxidation state of the other elements; and (b) vapor depositing onto the catalyst at least one dopant metal for improving catalytic performance.
    • 目的:提供一种改进的催化剂,用于通过气相催化部分氧化将烷烃或烷烃和烯烃与其相应的不饱和羧酸的混合物氧化; 制造催化剂的方法; 以及将烷烃或烷烃和烯烃的混合物的气相催化部分氧化成其相应的不饱和羧酸的方法。 构成:用于改善催化剂性能特征的方法包括:(a)提供包含具有经验式AaDbEcXdOe的基本组成的混合金属氧化物的催化剂,其中A是选自Mo和W中的至少一种元素 D为选自V和Ce中的至少一种元素,E为选自Te,Sb和Se中的至少一种元素,X为选自Nb, Ta,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pt,Sb,Bi,B,In,As,Ge,Sn,Li,Na,K,Rb,Cs, Be,Mg,Ca,Sr,Ba,Ra,Hf,Ag,Pb,P,Pm,Eu,Gd,Dy,Ho,Er,Tm,Yb和Lu; 当a = 1时,b = 0.01〜1.0,c = 0.01〜1.0,d = 0.01〜1.0,e取决于其他元素的氧化态; 和(b)在催化剂上气相沉积至少一种掺杂剂金属,以改善催化性能。