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    • 22. 发明公开
    • 혼합-금속 산화물 촉매 및 그 제조방법
    • 混合金属氧化物催化剂及其制备方法
    • KR1020020090155A
    • 2002-11-30
    • KR1020020028738
    • 2002-05-23
    • 롬 앤드 하스 캄파니
    • 가프니앤메이송루오지
    • B01J23/84B01J23/887
    • C07C51/252B01J23/002B01J23/20B01J23/28B01J27/0576B01J37/036B01J37/08B01J2523/00C07C51/215C07C253/24C07C253/26Y02P20/52C07C57/04B01J2523/55B01J2523/56B01J2523/64B01J2523/68C07C255/08
    • PURPOSE: Provided are a mixed-metal oxide catalyst with improved performance quality, which can be useful, for example, in the conversion of alkanes, or mixtures of alkanes and alkenes, to unsaturated carboxylic acids or unsaturated nitriles, and a process for preparing the same. CONSTITUTION: The process for the preparation of an improved catalyst comprising a mixed-metal oxide having the empirical formula MoaVbEcXdOe(wherein E is at least one element selected from the group consisting of Te and Sb, wherein X is at least one element selected from the group consisting of Nb, Ta, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, Ag, B, In, Ce and W, and wherein, 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), comprises the steps of (a) admixing the compounds of Mo, V, E and X and at least one solvent to form a gel; (b) aging the formed gel; and (c) calcining the gel.
    • 目的:提供具有改进的性能质量的混合金属氧化物催化剂,其可用于例如将烷烃或烷烃和烯烃的混合物转化为不饱和羧酸或不饱和腈的方法,以及制备 相同。 构成:制备包含具有经验式MoaVbEcXdOe的混合金属氧化物的改进催化剂的方法(其中E是选自Te和Sb中的至少一种元素,其中X是选自以下的至少一种元素: 由Nb,Ta,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pd,Pt,Ag,B,In,Ce和W组成的组,其中,当a = 1,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),包括以下步骤:(a)将Mo,V,E和X的化合物与 至少一种溶剂形成凝胶; (b)老化形成的凝胶; 和(c)煅烧凝胶。
    • 23. 发明公开
    • 개선된 촉매
    • 改进的催化剂
    • KR1020020082764A
    • 2002-10-31
    • KR1020020021917
    • 2002-04-22
    • 롬 앤드 하스 캄파니
    • 보간레오나르드에드워드2세
    • B01J27/057B01J23/887
    • C07C51/215B01J23/002B01J23/20B01J23/28B01J27/0576B01J37/0236B01J37/06B01J2523/00C07C253/24Y02P20/52C07C57/04C07C255/08B01J2523/55B01J2523/56B01J2523/64B01J2523/68B01J2523/18B01J2523/3706B01J2523/3737B01J2523/72
    • PURPOSE: Provided is 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 oxidation. CONSTITUTION: The improved catalyst is prepared by process comprising the steps of (a) providing a mixed metal oxide having the empirical formula AaVbNcXdOe(wherein A is at least one element selected from the group consisting of Mo and W, N is at least one element selected from the group consisting of Te 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, Bi, B, In, Ce, As, Ge, Sn, Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra, Hf, Pb, P, Pm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Au, Ag, Re, Pr, Zn, Ga, Pd, Ir, Nd, Y, Sm, Tb, Br, Cu, Sc, Cl, F and I, wherein A, V, N and X are present in such amounts that the atomic ratio of A : V : N : X is a : b : c : d, and wherein, when a = 1, b = 0.1 to 2, c = 0.1 to 1, d = 0.01 to 1 and e is dependent on the oxidation state of the other elements); (b) contacting the mixed metal oxide with a liquid contact member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide to form a contact mixture; and (c) recovering insoluble material from the contact mixture to obtain the improved catalyst.
    • 目的:提供了通过气相催化氧化将烷烃或烷烃和烯烃的混合物氧化成其相应的不饱和羧酸的改进的催化剂。 构成:改进的催化剂是通过以下步骤制备的,该方法包括以下步骤:(a)提供具有经验式AaVbNcXdOe的混合金属氧化物(其中A是选自Mo和W中的至少一种元素,N是至少一种元素 选自由Te和Se组成的组中的至少一种元素,X是选自Nb,Ta,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pt,Bi ,B,In,Ce,As,Ge,Sn,Li,Na,K,Rb,Cs,Fr,Be,Mg,Ca,Sr,Ba,Ra,Hf,Pb,P,Pm,Eu,Gd,Dy ,Ho,Er,Tm,Yb,Lu,Au,Ag,Re,Pr,Zn,Ga,Pd,Ir,Nd,Y,Sm,Tb,Br,Cu,Sc,Cl,F和I,其中A, V,N和X的存在量使得A:V:N:X的原子比为a:b:c:d,其中当a = 1时,b = 0.1〜2,c = 0.1〜1 ,d = 0.01〜1,e取决于其他元素的氧化态); (b)使混合的金属氧化物与选自有机酸,醇,无机酸和过氧化氢的液体接触构件接触以形成接触混合物; 和(c)从接触混合物中回收不溶物,得到改进的催化剂。
    • 25. 发明公开
    • 하소
    • 使用计算制备的多金属氧化物催化剂
    • KR1020020025715A
    • 2002-04-04
    • KR1020010058681
    • 2001-09-21
    • 롬 앤드 하스 캄파니
    • 보간레오나르드에드워드2세헤프너미셀도린자콥스브래들레이앤손링크리차드데이빗3세빅케리엘시메이
    • B01J23/64B01J23/54B01J23/76B01J37/08
    • C07C45/33B01J23/002B01J23/20B01J23/28B01J23/30B01J27/0576B01J37/0236B01J37/08B01J2523/00C07C51/215C07C253/24Y02P20/52C07C47/22C07C57/04B01J2523/55B01J2523/56B01J2523/64B01J2523/68C07C255/08
    • PURPOSE: A process for preparing catalysts which are efficient in converting alkanes to unsaturated aldehydes and carboxylic acids, or in the presence of ammonia to unsaturated nitriles is provided. CONSTITUTION: In an improved process for preparing a catalyst including a compound having the formula AaVbNcXdOe wherein, when a = 1, b = 0.1 to 1, c = 0.1 to 1, d = 0.01 to 1 and e is dependent on the oxidation state of the other elements, and wherein A is at least one element selected from the group consisting of Mo and W, N is at least one element selected from the group consisting of Te, Se and Sb, 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, Pd, Pt, Bi, B, In, Ce, 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, Lu, Au, Re, Pr, Zn, Ga, Pd, Ir, Nd, Y, Sm and Tb, the present invention comprises the steps of admixing metal compounds, at least one of which is an oxygen containing compound, and at least one solvent to form a solution; removing the solvent from the solution to obtain a catalyst precursor; and calcining the catalyst precursor to form above catalyst; wherein the improvement comprises: (A) admixing the metal compounds, at least one of which is an oxygen containing compound, and above at least one solvent to form a solution, (B) removing above at least one solvent from above solution to obtain a catalyst precursor, and (C) calcining said catalyst precursor at a temperature of at least 650deg.C in a non-oxidizing atmosphere to form a catalyst including a compound having the formula AaVbNcXdOe wherein, when a = 1, b = 0.1 to 1, c = 0.1 to 1, d = 0.01 to 1 and e is dependent on the oxidation state of the other elements, and wherein A is at least one element selected from the group consisting of Mo and W, N is at least one element selected from the group consisting of Te, Se and Sb, 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, Pd, Pt, Bi, B, In, Ce, 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, Lu, Au, Re, Pr, Zn, Ga, Pd, Ir, Nd, Y, Sm and Tb.
    • 目的:提供一种制备有效将烷烃转化为不饱和醛和羧酸,或在氨存在于不饱和腈的催化剂的方法。 组成:在一种制备包括具有式AaVbNcXdOe的化合物的催化剂的改进方法中,其中当a = 1时,b = 0.1至1,c = 0.1至1,d = 0.01至1,e取决于 其他元素,其中A为选自Mo和W中的至少一种元素,N为选自Te,Se和Sb中的至少一种元素,X为选自以下的至少一种元素: 由Nb,Ta,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pd,Pt,Bi,B,In,Ce,As,Ge,Sn,Li,Na,K组成的组 ,Rb,Cs,Fr,Be,Mg,Ca,Sr,Ba,Ra,Hf,Ag,Pb,P,Pm,Eu,Gd,Dy,Ho,Er,Tm,Yb,Lu,Au,Re,Pr ,Zn,Ga,Pd,Ir,Nd,Y,Sm和Tb,本发明包括将至少一种是含氧化合物的金属化合物和至少一种溶剂混合以形成溶液的步骤; 从溶液中除去溶剂,得到催化剂前体; 并煅烧催化剂前体以形成上述催化剂; 其中所述改进包括:(A)将金属化合物(其中至少一种为含氧化合物)和至少一种溶剂混合至至少一种溶剂以形成溶液,(B)从上述溶液中除去至少一种溶剂以获得 催化剂前体,和(C)在至少650℃的温度下在非氧化气氛中煅烧所述催化剂前体以形成包含具有式AaVbNcXdOe的化合物的催化剂,其中当a = 1时,b = 0.1至1, c = 0.1〜1,d = 0.01〜1,e取决于其他元素的氧化态,其中A为选自Mo和W中的至少一种元素,N为选自 由Te,Se和Sb组成的组,X是选自Nb,Ta,Ti,Al,Zr,Cr,Mn,Fe,Ru,Co,Rh,Ni,Pd,Pt中的至少一种元素 ,Bi,B,In,Ce,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,Lu,Au,Re,Pr ,Zn,Ga,Pd,Ir,Nd,Y,Sm和Tb。
    • 27. 发明公开
    • 알칸의 산화에 유용한 촉매
    • 催化剂用于氧化烷烃
    • KR1020010067150A
    • 2001-07-12
    • KR1020000051951
    • 2000-09-04
    • 롬 앤드 하스 캄파니
    • 한스코트레도미니크헝누맥닐네카나모나
    • B01J23/64
    • C07C45/33B01J21/06B01J21/066B01J23/002B01J23/20B01J23/22B01J23/28B01J23/30B01J23/31B01J27/053B01J27/0576B01J27/188B01J35/0006B01J2523/00C07C51/215C07C47/22C07C57/04B01J2523/55B01J2523/56B01J2523/64B01J2523/68B01J2523/48B01J2523/69
    • PURPOSE: A catalyst which is efficient in converting alkanes to unsaturated aldehydes and carboxylic acids and a process for preparing unsaturated aldehydes and carboxylic acids using the catalyst. CONSTITUTION: A process for preparing a catalyst comprises (i) admixing metal compounds, at least one of which is an oxygen containing compound, and water to form an aqueous solution; (ii) removing the water from the aqueous solution to obtain a mixed metal oxide catalyst precursor; (iii) calcining the catalyst precursor at a temperature from 400 to 800 deg.C under an inert atmosphere; and (iv) admixing an acid selected from at least one of: (a) heteropolyacids, (b) aluminas, (c) zirconias, (d) titanias, (e) zeolites, and (f) acid combinations thereof; to form a catalyst including a mixed metal oxide having the formula: AaMmNnXxOo and the acid, wherein A is selected from Mo, W, and mixtures thereof; M is selected from V, Ce, Cr and mixtures thereof; N is selected from Te, Bi, Sb, and mixtures thereof; X is Nb, Ta, Zr, and mixtures thereof, and the acid is present at from 0.5 to 5 weight percent based on the total weight of the catalyst; 0.25
    • 目的:一种有效将烷烃转化为不饱和醛和羧酸的催化剂,以及使用该催化剂制备不饱和醛和羧酸的方法。 构成:制备催化剂的方法包括(i)将至少一种是含氧化合物的金属化合物和水混合以形成水溶液; (ii)从水溶液中除去水,得到混合金属氧化物催化剂前体; (iii)在惰性气氛下在400-800℃的温度下煅烧催化剂前体; 和(iv)混合选自以下中的至少一种的酸:(a)杂多酸,(b)氧化铝,(c)锆石,(d)钛酸盐,(e)沸石和(f)其酸组合; 以形成包含具有下式的混合金属氧化物的催化剂:AaMmNnXxOo和酸,其中A选自Mo,W及其混合物; M选自V,Ce,Cr及其混合物; N选自Te,Bi,Sb及其混合物; X是Nb,Ta,Zr及其混合物,并且所述酸以所述催化剂总重量的0.5至5重量%存在; 0.25