21.
    发明专利
    未知

    公开(公告)号:DE19623413A1

    公开(公告)日:1997-12-18

    申请号:DE19623413

    申请日:1996-06-12

    Applicant: BASF AG

    Abstract: A process for producing a cup catalyst in which the active compound or a precursor compound thereof is placed together with the substrates in a cylindrical jar which is moved in such a way that its overall movement consists of a superimposition of a rotary movement of the cylindrical jar and a circular movement of its longitudinal axis.

    22.
    发明专利
    未知

    公开(公告)号:DE19542755A1

    公开(公告)日:1997-05-22

    申请号:DE19542755

    申请日:1995-11-16

    Applicant: BASF AG

    Abstract: A multimetal oxide of formula (I) Mo12-a-b-cVaM bM cOx is new, where: M = tungsten (W) and/or niobium (Nb); M = titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), chromium (Cr), silicon (Si) and/or germanium (Ge); a = 0.1-6; b = 0-6; c = 0-6; a+b+c = 0.1-6; and x = number determined by the valency and frequency of the element in (I) except oxygen. Its atomic space arrangement is determined by powder X-ray diffraction (the intensity A of the diffracted X-ray beam as a function of two-fold diffraction angle (2&thetas; )) using Cu-K alpha -radiation ( lambda = 1.54178 Angstrom ), so that in the 2&thetas; region of 5-50 degrees the following diffraction lines are produced: Al(X-ray diffraction line) = 8.3 plus or minus 0.7 (2&thetas; degrees ); A2=14.4 plus or minus 0.7; A3=22.3 plus or minus 0.2; A4=23.5 plus or minus 0.7; A5=27.2 plus or minus 0.4; A6=32.0 plus or minus 0.8; A7=34.8 plus or minus 0.6; A8=38.7 plus or minus 0.5; A9=45.4 plus or minus 0.4; and A10=48.8 plus or minus 0.4. Also claimed are: (i) a process for catalytic gas phase oxidation of organic compounds using the above multimetal oxide; and (ii) a finely divided mixture containing the above multimetal oxide (I) and a multimetal oxide (II) of formula: M 12CudHeOy, where: M = molybdenum (Mo), W, vanadium (V), Nb and/or Ta; d = 4-30; e = 0-20; and y = a number determined by the valency and frequency of the elements in (II) except oxygen.

    METHOD FOR PRODUCING 4-VINYLCYCLOHEXENE, ETHYL BENZOLE AND STYRENE

    公开(公告)号:MY134442A

    公开(公告)日:2007-12-31

    申请号:MYPI20030539

    申请日:2003-02-17

    Applicant: BASF AG

    Abstract: THE INVENTION RELATES TO A PROCESS FOR PREPARING 4-VINYLCYCLOHEXENE, WHICH COMPRISES THE STEPS (A) PROVIDING AN N-BUTANE-CONTAINING FEED GAS STREAM [4],(B) FEEDING THE N-BUTANE-CONTAINING FEED GAS STREAM INTO AT LEAST ONE DEHYDROGENATION ZONE [11] AND DEHYDROGENATING N-BUTANE TO BUTADIENE TO GIVE A PRODUCT STREAM [12] COMPRISING BUTADIENE, N-BUTANE, POSSIBLY 1-BUTENE AND 2- BUTENE AND POSSIBLY WATER VAPOR AND OTHER SECONDARY CONSTITUENTS,(C) FEEDING THE PRODUCT STREAM FROM DEHYDROGENATION, IF APPROPRIATE AFTER SEPARATING OFF WATER VAPOR AND SECONDARY CONSTITUENTS, INTO A DIMERIZATION ZONE [19] AND CATALYTICALLY DIMERIZING BUTADIENE TO GIVE A PRODUCT STREAM [20] COMPRISING 4- VINYLCYCLOHEXENE, N-BUTANE AND POSSIBLY 1-BUTENE, 2- BUTENE AND UNREACTED BUTADIENE, AND (D) SEPARATING OFF 4-VINYLCYCLOHEXENE FROM THE PRODUCT STREAM [20] FROM THE DIMERIZATION AND RECIRCULATING N-BUTANE AND POSSIBLY 1-BUTENE, 2-BUTENE AND UNREACTED BUTADIENE TO THE DEHYDROGENATION ZONE

    POLYMETAL OXIDE CONTAINING SILVER OXIDE AND VANADIUM OXIDE AND THE USE THEREOF

    公开(公告)号:MY121869A

    公开(公告)日:2006-02-28

    申请号:MYPI9905645

    申请日:1999-12-21

    Applicant: BASF AG

    Abstract: A MULTIMETAL OXIDE OF THE FORMULA I WHERE M IS A METAL SELECTED FROM THE GROUP CONSISTING OF LI, NA, K, RB, CS, TL, MG, CA, SR, BA, CU, ZN, CD, PB, CR, AU, AL, FE, CO, NI, AND/OR MO, AIS FROM 0.3 TO 1.9 AND B IS FROM 0 TO 0.5, WITH THE PROVISO THAT THE DIFFERENCE (A-B) > 0.1 AND C IS FROM 0 TO 20 AND X IS A NUMBER DETERMINED BY THE VALENCE AND AMOUNT OF ELEMENTS DIFFERENT FROM OXYGEN IN THE FORMULA I, HAS A CRYSTAL STRUCTURE GIVING AN X-RAY POWDER DIFFRACTION PATTERN WHICH DISPLAYS REFLECTIONS AT THE LATTICE SPACINGS D OF 15.23 ± 0.6, 12.16 ± 0.4, 10.68 ± 0.3, 3.41 ± 0.04, 3.09 ± 0.04, 3.02 ± 0.04, 2.36 ± 0.04 AND 1.80 ± 0.04 Å. PRECATALYSTS AND CATALYSTS PRODUCED THEREFROM FOR THE PARTIAL OXIDATION OF AROMATIC HYDROCARBONS ARE ALSO PROVIDED.

    28.
    发明专利
    未知

    公开(公告)号:ES2143702T3

    公开(公告)日:2000-05-16

    申请号:ES96117834

    申请日:1996-11-07

    Applicant: BASF AG

    Abstract: A multimetal oxide of formula (I) Mo12-a-b-cVaM bM cOx is new, where: M = tungsten (W) and/or niobium (Nb); M = titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), chromium (Cr), silicon (Si) and/or germanium (Ge); a = 0.1-6; b = 0-6; c = 0-6; a+b+c = 0.1-6; and x = number determined by the valency and frequency of the element in (I) except oxygen. Its atomic space arrangement is determined by powder X-ray diffraction (the intensity A of the diffracted X-ray beam as a function of two-fold diffraction angle (2&thetas; )) using Cu-K alpha -radiation ( lambda = 1.54178 Angstrom ), so that in the 2&thetas; region of 5-50 degrees the following diffraction lines are produced: Al(X-ray diffraction line) = 8.3 plus or minus 0.7 (2&thetas; degrees ); A2=14.4 plus or minus 0.7; A3=22.3 plus or minus 0.2; A4=23.5 plus or minus 0.7; A5=27.2 plus or minus 0.4; A6=32.0 plus or minus 0.8; A7=34.8 plus or minus 0.6; A8=38.7 plus or minus 0.5; A9=45.4 plus or minus 0.4; and A10=48.8 plus or minus 0.4. Also claimed are: (i) a process for catalytic gas phase oxidation of organic compounds using the above multimetal oxide; and (ii) a finely divided mixture containing the above multimetal oxide (I) and a multimetal oxide (II) of formula: M 12CudHeOy, where: M = molybdenum (Mo), W, vanadium (V), Nb and/or Ta; d = 4-30; e = 0-20; and y = a number determined by the valency and frequency of the elements in (II) except oxygen.

    Production of multimetal oxide for gas phase catalytic oxidation of acrolein to acrylic acid

    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

    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.

    30.
    发明专利
    未知

    公开(公告)号:DE19739716A1

    公开(公告)日:1999-03-11

    申请号:DE19739716

    申请日:1997-09-10

    Applicant: BASF AG

    Abstract: Unsaturated ketones, comprising optionally substituted but-3-enyl and/or buta-2.3-dienyl methyl ketones, are prepared by: (a) reacting allyl alcohols and/or propargyl alcohols with isopropenyl ethers, with formation of ketals as by-product; (b) preparing isopropenyl ethers by catalytic gas phase reaction of ketals with propyne and/or allene; and (c) feeding the ketal from stage (a) into stage (b). The but-3-enyl methyl ketones of formula (Ia) and but-2,3-dienyl methyl ketones of formula (Ib) formed, allyl alcohols of formula (IIa) and/or propargyl alcohols of formula (IIb) and isopropenyl ethers (III) used as starting materials are ketals (IV). R1, R2, R3, R4, R5 = H or (cyclo)alkyl, (cyclo)alkenyl or ar(alk)yl (optionally containing O); or R1R2 = 5-6-membered ring; and R6 = 1-4C alkyl. (III) are prepared by the gas phase reaction of (IV) and propyne or allene at elevated temperature in the presence of a heterogeneous catalyst containing Zn or Cd plus Si and O.

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