Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide
    31.
    再颁专利
    Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide 有权
    使用钼和钯基催化氧化物选择性制备乙酸的方法

    公开(公告)号:USRE39074E1

    公开(公告)日:2006-04-18

    申请号:US10006424

    申请日:1997-07-16

    IPC分类号: C07C51/16 B01J21/16

    摘要: The present invention relates to a process for the selective preparation of acetic acid from a gaseous feed comprising ethane, ethylene or mixtures thereof plus oxygen at elevated temperature, which comprises bringing the gaseous feed into contact with a catalyst comprising the elements Mo, Pd, X and Y in gram atom ratios a:b:c:d in combination with oxygen MoaPdbXcYd  (I) where the symbols X and Y have the following meanings: X is one or more elements selected from the group consisting of: Cr, Mn, Nb, Ta, Ti, V, Te and/or W, in particular Nb, V and W; Y is one or more elements selected from the group consisting of: B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Cu, Rh, Ir, Au, Ag, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, TI and U, in particular Ca, Sb, Te and Li. The present invention further provides a catalyst for the selective preparation of acetic acid comprising the elements Mo, Pd, X and Y in the gram atom ratios a:b:c:d in combination with oxygen. The process can be illustrated by the following reaction scheme,

    摘要翻译: 本发明涉及一种从高温选择性制备乙酸,包括乙烷,乙烯或其混合物加氧气的方法,其中包括使气态进料与包含元素Mo,Pd,X的催化剂接触 和Y以克原子比a:b:c:d与氧的组合<?in-line-formula description =“In-line Formulas”end =“lead”?> Mo (I)<?in-line-formula description =“In-line Formulas”end =“tail”?> 其中符号X和Y具有以下含义:X是选自Cr,Mn,Nb,Ta,Ti,V,Te和/或W中的一种或多种元素,特别是Nb,V和W; Y是选自B,Al,Ga,In,Pt,Zn,Cd,Bi,Ce,Co,Cu,Rh,Ir,Au,Ag,Fe,Ru,Os,K中的一种或多种元素 ,Rb,Cs,Mg,Ca,Sr,Ba,Zr,Hf,Ni,P,Pb,Sb,Si,Sn,TI和U,特别是Ca,Sb,Te和Li。 本发明还提供了一种用于选择性制备乙酸的催化剂,其包含以氧原子比a:b:c:d与氧组合的元素Mo,Pd,X和Y。 该方法可以通过以下反应方案来说明,

    Method and producing acetic acid in a reactor cascade
    32.
    发明授权
    Method and producing acetic acid in a reactor cascade 有权
    在反应器级联中生产乙酸的方法和方法

    公开(公告)号:US06670504B1

    公开(公告)日:2003-12-30

    申请号:US09403517

    申请日:1999-11-10

    IPC分类号: C07C5116

    CPC分类号: C07C51/215 C07C53/08

    摘要: The invention relates to a method for producing acetic acid from ethane and oxygen on a fixed bed catalyst, characterized in that a reactor cascade with an oxygen feed between the reactor levels is used. This particularly advantageous method provides high conversion rates, highly pure acetic acid and low ethylene and carbon monoxide formation.

    摘要翻译: 本发明涉及一种在固定床催化剂上从乙烷和氧气生产乙酸的方法,其特征在于使用在反应器水平之间与氧气进料串联的反应器。 这种特别有利的方法提供高转化率,高纯度乙酸和低乙烯和一氧化碳形成。

    Process and catalyst for preparing acetic acid by catalytic oxidation of ethane
    33.
    发明授权
    Process and catalyst for preparing acetic acid by catalytic oxidation of ethane 有权
    通过乙烷的催化氧化制备乙酸的方法和催化剂

    公开(公告)号:US06274765B1

    公开(公告)日:2001-08-14

    申请号:US09403516

    申请日:1999-11-10

    IPC分类号: C07C51215

    摘要: A process is disclosed for selectively preparing acetic acid from a gaseous feed of ethane, ethylene or mixtures thereof, as well as oxygen, at an increased temperature, on a catalyst which contains the elements W, X, Y and Z in the gram-atom ratio a:b:c:d, associated with oxygen. In the formula WaXbYcZd (I), X stands for one or several elements selected from the group Pd, Pt, Ag and/or Au; Y stands for one or several elements selected from the group V, Nb, Cr, Mn, Fe, Sn, Sb, Cu, Zn, U, Ni and/or Bi; Z stands for one or several elements selected from the group Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Sc, Y, La, Ti, Zr, Hf, Ru, Os, Co, Rh, Ir, B, Al, Ga, In, Tl, Si, Ge, Pb, P, As and/or Te; a equals 1, b is a number higher than 0, c is a number higher than 0, and d is a number from 0 to 2. Also disclosed is said catalyst.

    摘要翻译: 公开了一种方法,用于从乙烯,乙烯或其混合物的气态进料中选择性地制备乙酸,以及在升高的温度下,在含有元素W,X,Y和Z的元素的催化剂上的氧气 比例a:b:c:d,与氧相关。 式中,X表示选自Pd,Pt,Ag和/或Au中的一种或几种元素; Y代表选自V,Nb,Cr,Mn,Fe,Sn,Sb,Cu,Zn,U,Ni和/或Bi中的一种或几种元素; Z代表选自Li,Na,K,Rb,Cs,Be,Mg,Ca,Sr,Ba,Sc,Y,La,Ti,Zr,Hf,Ru,Os,Co,Rh中的一种或几种元素 ,Ir,B,Al,Ga,In,Tl,Si,Ge,Pb,P,As和/或Te; a等于1,b是高于0的数,c是高于0的数,d是0至2的数。还公开了所述催化剂。

    Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide
    34.
    发明授权
    Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide 有权
    使用钼和钯基催化氧化物选择性制备乙酸的方法

    公开(公告)号:US06194610B1

    公开(公告)日:2001-02-27

    申请号:US09230553

    申请日:1999-01-28

    IPC分类号: C07C5116

    摘要: The present invention relates to a process for the selective preparation of acetic acid from a gaseous feed comprising ethane, ethylene or mixtures thereof plus oxygen at elevated temperature, which comprises bringing the gaseous feed into contact with a catalyst comprising the elements Mo, Pd, X and Y in gram atom ratios a:b:c:d in combination with oxygen MoaPdbXcYd  (I) where the symbols X and Y have the following meanings: X is one or more elements selected from the group consisting of: Cr, Mn, Nb, Ta, Ti, V, Te and/or W, in particular Nb, V and W; Y is one or more elements selected from the group consisting of: B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Cu, Rh, Ir, Au, Ag, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, TI and U, in particular Ca, Sb, Te and Li. The present invention further provides a catalyst for the selective preparation of acetic acid comprising the elements Mo, Pd, X and Y in the gram atom ratios a:b:c:d in combination with oxygen. The process can be illustrated by the following reaction scheme,

    摘要翻译: 本发明涉及一种从高温选择性制备乙酸,包括乙烷,乙烯或其混合物加氧的方法,其中包括使气态进料与包含元素Mo,Pd,X的催化剂接触 和Y以克原子比a:b:c:d与氧的组合,其中符号X和Y具有以下含义:X是选自以下的一种或多种元素:Cr,Mn,Nb,Ta,Ti, V,Te和/或W,特别是Nb,V和W; Y是选自B,Al,Ga,In,Pt,Zn,Cd,Bi,Ce,Co,Cu中的一种或多种元素 ,Rh,Ir,Au,Ag,Fe,Ru,Os,K,Rb,Cs,Mg,Ca,Sr,Ba,Zr,Hf,Ni,P,Pb,Sb,Si,Sn, 特别是Ca,Sb,Te和Li。 本发明还提供了一种用于选择性制备乙酸的催化剂,其包含以氧原子比a:b:c:d与氧组合的元素Mo,Pd,X和Y。 该方法可以通过以下反应方案来说明,

    Process for the selective preparation of acetic acid using a molybdenum,
palladium, and rhenium catalyst
    35.
    发明授权
    Process for the selective preparation of acetic acid using a molybdenum, palladium, and rhenium catalyst 有权
    使用钼,钯和铼催化剂选择性制备乙酸的方法

    公开(公告)号:US6034270A

    公开(公告)日:2000-03-07

    申请号:US180995

    申请日:1998-11-19

    摘要: A process for the selective preparation of acetic acid from a gaseous feed comprising ethane, ethylene or mixtures thereof plus oxygen at elevated temperature, which comprises bringing the gaseous feed into contact with a catalyst comprising the elements Mo, Pd, Re, X and Y in gram atom ratios a:b:c:d:e in combination with oxygenMo.sub.a Pd.sub.b Re.sub.c X.sub.d Y.sub.e (I)where the symbols X, Y have the following meanings:X=Cr, Mn, Nb, B, Ta, Ti, V and/or WY=Bi, Ce, Co, Cu, Te, Fe, Li, K, Na, Rb, Be, Mg, Ca, Sr, Ba, Ni, P, Pb, Sb, Si, Sn, Tl and/or U;the indices a, b, c, d and e are the gram atom ratios of the corresponding elements, wherea=1, b>0, c>0, d=0.05-2, e=0-3.

    摘要翻译: PCT No.PCT / EP97 / 02522 Sec。 371日期:1998年11月19日 102(e)1998年11月19日日期PCT提交1997年5月16日PCT公布。 第WO97 / 44299号公报 日期1997年11月27日一种在高温下从包含乙烷,乙烯或其混合物加气体的气态进料中选择性制备乙酸的方法,其包括使气态进料与包含元素Mo,Pd,Re ,X和Y以克原子比a:b:c:d:e与氧摩尔比RbRecXdYe(I)组合,其中符号X,Y具有以下含义:X = Cr,Mn,Nb,B,Ta,Ti,V 和/或WY = Bi,Ce,Co,Cu,Te,Fe,Li,K,Na,Rb,Be,Mg,Ca,Sr,Ba,Ni,P,Pb,Sb,Si,Sn, 或U; 指数a,b,c,d和e是相应元素的克原子比,其中a = 1,b> 0,c> 0,d = 0.05-2,e = 0-3。