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    Production of acrolein and acrylic acid by catalytic oxidation of propane
    12.
    发明专利
    Production of acrolein and acrylic acid by catalytic oxidation of propane 未知

    公开(公告)号：DE19751046A1

    公开(公告)日：1999-05-20

    申请号：DE19751046

    申请日：1997-11-19

    Applicant: BASF AG

    Inventor： JACHOW HARALD DR ,  TENTEN ANDREAS DR ,  UNVERRICHT SIGNE DR ,  ARNOLD HEIKO DR

    IPC: B01J23/00 ,  C07C45/33 ,  C07C51/215 ,  C07C57/05 ,  C07C59/66 ,  C07C69/716 ,  C07C69/734 ,  C07C45/28 ,  C07C47/12

    Abstract: Heterogeneous, catalytic, gas-phase oxidation of propane to acrolein and/or acrylic acid comprises passing a mixture of propane, oxygen and optionally an inert gas, at 300-500 deg C, over a two-part fixed-bed catalyst, each part containing different, specific mixed metal oxide phases. The catalyst in the first bed (A) has the formula M a Mo1-bM b Ox (I) M = cobalt, nickel, magnesium, manganese and/or copper; M = wolfram, vanadium, tellurium, niobium, phosphorus, chromium, iron, antimony, cerium, tin and/or lanthanum; a = 0.5-1.5; b = 0-0.5; x = a number required to satisfy the valencies of the other components and the catalyst in the second bed (B) has formula Bia,Mob, X c, X d, X e, X f, X g, X h, Ox, (II) X = wolfram, vanadium and/or tellurium; X = alkaline earth metal, cobalt, nickel, zinc, manganese, copper, cadmium, tin and/or mercury; X = iron, chromium and/or cerium; X = phosphorus, arsenic, antimony and/or boron; X = alkali metal, thallium and/or tin; X = rare earth metal, titanium, zirconium, niobium, tantalum, rhenium, ruthenium, rhodium, silver, gold, aluminum, gallium, indium, silicon, germanium, thorium and/or uranium; a' = 0.01-8; b' = 0.1-30; c', d' and e' = 0-20; f' = 0-6; g' = 0-4; h' = 0-15 The starting mixture of reactants contains at least 5 volume % propane, at least 15 volume % oxygen and 0-35 volume % inert gas and it passes through layer A first, then through B.

    Production of multimetal oxide for gas phase catalytic oxidation of acrolein to acrylic acid
    13.
    发明专利
    Production of multimetal oxide for gas phase catalytic oxidation of acrolein to acrylic acid 未知

    公开(公告)号：DE19740493A1

    公开(公告)日：1999-03-18

    申请号：DE19740493

    申请日：1997-09-15

    Applicant: BASF AG

    Inventor： HIBST HARTMUT PROF DR ,  UNVERRICHT SIGNE DR ,  TENTEN ANDREAS DR

    IPC: B01J23/885 ,  B01J23/888 ,  B01J35/00 ,  C07C57/055 ,  C01G41/00 ,  C01G39/00

    Abstract: In the production of multimetal oxide compositions (I) containing copper (Cu) and molybdenum (Mo), tungsten (W), vanadium (V), niobium (Nb) and/or tantalum (Ta). the temperature at which a finely-divided precursor multimetal oxide (B) containing these metals is worked into an aqueous solution containing sources of Mo, V and optionally other elements is bX cD dX eF fX gOx; B = X 12CuhHiOy; X = W, Nb, Ta, chromium (Cr) and/or cerium (Ce); X = Cu nickel (Ni), cobalt (Co), iron (Fe), manganese (Mn) and/or zinc (Zn); X = antimony (Sb) and/or bismuth (Bi); X = lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs) and/or hydrogen (H); X = magnesium (Mg), calcium (Ca), strontium (Sr) and/or barium (Ba); X = silicon (Si), aluminium (Al), titanium (Ti) and/or zirconium (Zr); X = Mo, W, V, Nb and/or Ta; a = 1-8; b = 0.2-5; c = 0-23; d = 0-50; e = 0-2; f = 0-5; g = 0-50; h = 4-30; i = 0-20; x, y = values depending on the valency and content of the elements other than oxygen (O); p, q not = 0; p/q = 160:1 to 1:1 . The process comprises (a) preparing (B); (b) working the required amount of (B) into an aqueous solution containing sources of Mo, V and optionally other elements in the stoichiometric ratios for an oxide (A); (c) drying the aqueous mixture; and (d) molding as required and calcination at 250-600 deg C. Independent claims are also included for (a) multimetal oxide compositions (I) prepared in this way; (b) an aqueous solution containing dissolved elements corresponding to the stoichiometry of (A), which is obtained by dissolving sources of the elements in water at a temperature TL \- 60 deg C and then cooling the solution to a temperature TE less than TL; and (c) a solid obtained by drying the solution.

    Multi-metal oxide catalyst for gas-phase oxidation of acrolein
    14.
    发明专利
    Multi-metal oxide catalyst for gas-phase oxidation of acrolein 未知

    公开(公告)号：DE19736105A1

    公开(公告)日：1999-02-25

    申请号：DE19736105

    申请日：1997-08-20

    Applicant: BASF AG

    Inventor： HIBST HARTMUT PROF DR ,  UNVERRICHT SIGNE DR ,  TENTEN ANDREAS DR

    IPC: B01J23/28 ,  B01J23/885 ,  B01J23/887 ,  B01J23/888 ,  B01J35/00 ,  C01G41/00 ,  C07C51/25 ,  C01G1/02

    Abstract: Improved multi-metal oxide catalysts are obtained by mixing a finely divided mixed oxide of copper (Cu) and other elements at \} 70 deg C with an aqueous solution containing sources of molybdenum (Mo), vanadium (V) and other elements. A process for the production of multi-metal oxide materials of formula: ApBq (I); (where: A = Mo12Va(X )b(X )c(X )d(X )e(X )f(X )gOx; B = (X )12CuhHiOy; X = tungsten, niobium, tantalum, chromium and/or cerium; X = copper, nickel, cobalt, iron, manganese and/or zinc; X = antimony and/or bismuth; X = lithium, sodium, potassium, rubidium, caesium and/or hydrogen; X = magnesium, calcium, strontium and/or barium; X = silicon, aluminium, titanium and/or zirconium; X = molybdenum, tungsten, vanadium, niobium and/or tantalum; a = 1-8; b = 0.2-5; c = 0-23; d = 0-50; e = 0-2; f = 0-5; g = 0-50; h = 4-30; i = 0-20; x, y are determined by the valency and frequency of the elements other than oxygen;) involves preparing the mixed oxide (B) in finely-divided form (starting material 1), mixing in required weight ratio (p : q) (where: p, q are numbers other than zero, such that p:q = (160:1)-(1:1); with an aqueous solution containing sources of elements of component (A) in given stoichiometry ratios (without oxygen; material 2), then drying the mixture and calcining at 250-600 deg C before or after shaping to the required catalyst geometry. Independent claims are also included for: (a) multi-metal oxide materials obtained by the process; (b) an aqueous solution of (A), obtained by dissolving the various sources in water at a temperature (TL) of \- 60 deg C and then cooling to a lower temperature (TE); (c) the solid obtained by drying the solution.

    17.
    发明专利
    未知

    公开(公告)号：AT359989T

    公开(公告)日：2007-05-15

    申请号：AT02027069

    申请日：2002-12-03

    Applicant: BASF AG

    Inventor： GOEBBEL HANS-GEORG DR ,  GERLACH TILL DR ,  FUNKE FRANK DR ,  EBEL KLAUS DR ,  UNVERRICHT SIGNE DR ,  KAIBEL GERD DR

    IPC: C07B61/00 ,  C07C29/141 ,  C07C33/03

    Abstract: Selective hydrogenation of alpha , beta -ethylenically unsaturated aldehydes (II) to corresponding unsaturated alcohols (I) comprises performing reaction in a reactor containing a liquid phase, suspended catalyst and optionally a gas phase, The liquid phase and gas phase (if present) are supplied to the reactor through a device (A) with openings or channels having a hydraulic diameter of 0.5-2 mm. Selective hydrogenation of unsaturated aldehydes of formula R R C=CR -CHO (II) to corresponding alcohols of formula R R C=CR -CH2OH (I) comprises performing the reaction in a reactor containing a liquid phase, suspended catalyst and optionally a gas phase. The liquid phase and optionally the gas phase are supplied to the reactor through a device (A) with openings or channels having a hydraulic diameter of 0.5-2 mm. R , R = H, optionally substituted mono- or polyunsaturated 1-20C alkyl (sic; some of the groups exemplified in the disclosure are saturated), optionally substituted aryl or optionally substituted heterocyclyl; R = H or 1-4C alkyl.

    PROCEDIDMIENTO Y CONVERTIDOR PARA LA CONVERSION CATALITICA DE COMBUSTIBLE.
    18.
    发明专利
    PROCEDIDMIENTO Y CONVERTIDOR PARA LA CONVERSION CATALITICA DE COMBUSTIBLE. 未知

    公开(公告)号：ES2252140T3

    公开(公告)日：2006-05-16

    申请号：ES01130514

    申请日：2001-12-21

    Applicant: BASF AG

    Inventor： BENDER MICHAEL DR ,  UNVERRICHT SIGNE DR

    IPC: F01N3/20 ,  F01N13/02 ,  F02M63/02 ,  F01N3/08

    Abstract: Procedimiento para la conversión catalítica de combustible para la eliminación de óxidos azoicos a partir de gases de escape de motores de combustión interna, en el que el combustible y una corriente parcial de los gases de escape o de la admisión de aire se convierten en un convertidor, se conducen el combustible y la corriente parcial de los gases de escape y de la admisión de aire de forma separada entre sí al convertidor y se evapora el combustible en el convertidor, caracterizado porque la temperatura del convertidor es constante y se mantiene constante la relación en la corriente de gas y la cantidad de combustible dosificada, para la regulación constante de la temperatura del convertidor.

    Heterogeneous catalyzed gas phase oxidation of propane to acrolein and acrylic acid
    20.
    发明专利
    Heterogeneous catalyzed gas phase oxidation of propane to acrolein and acrylic acid 未知

    公开(公告)号：DE19746667A1

    公开(公告)日：1999-04-29

    申请号：DE19746667

    申请日：1997-10-23

    Applicant: BASF AG

    Inventor： JACHOW HARALD DR ,  TENTEN ANDREAS DR ,  UNVERRICHT SIGNE DR ,  ARNOLD HEIKO DR

    IPC: B01J23/00 ,  C07C45/33 ,  C07C51/215 ,  C07C57/05 ,  C07C57/055 ,  C07C59/66 ,  C07C69/716 ,  C07C69/734 ,  B01J23/882 ,  B01J23/887 ,  C07C45/32 ,  C07C47/22

    Abstract: Heterogeneous catalyzed gas phase oxidation of propane to acrolein and/or acrylic acid uses 2 consecutive, stationary beds of catalysts based on different multimetal oxides and a starting gas mixture containing \- 50 vol.% propane, \- 15 vol.% oxygen and 0-35 vol.% inert gas. Heterogeneous catalyzed gas phase oxidation of propane to acrolein and/or acrylic acid involves passing a mixture of propane, oxygen and optionally inert gas over a stationary catalyst bed at 300-500 deg C. Two consecutive, stationary beds of catalysts based on different multimetal oxides (A and B) are used and a starting gas mixture containing \- 50 vol.% propane, \- 15 vol.% oxygen and 0-35 vol.% inert gas is passed through the catalyst bed A and then B. The active materials of the catalyst beds are multimetal oxides of formula M aMo1-bM bOx (I) in bed A and multimetal oxides of formula Bia'Mob'X c'X d'X e'X f'X g'X h'Ox'(II) in bed B: M = Co, Ni, Mg, Zn, Mn, Cu and/or Sn; M = W, V, Te, Nb, P, Cr, Fe, Sb, Ce and/or La; X = W, V and/or Te; X = alkaline earth metal, Co, Ni, Zn, Mn, Cu, Cd, Sn and/or Hg; X = Fe, Cr and/or Ce; X = P, As, Sb and/or B; X = alkali metal, Tl and/or Sn; X = a rare earth metal, Ti, Zr, Nb, Ta, Re, Ru, Rh, Ag, Au, Al, Ga, In, Si, Ge, Th and/or U; a = 0.5-1.5; b = 0-0.5; a' = 0.01-8; b' = 0.1-30; c' = 0.1-20; d', e' = 0-20; f' = 0-6; g' = 0-4; h' = 0-15; x, x' = a number depending on the valency and content of elements other than oxygen.

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