Multi-metal oxide materials with a two-phase structure
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-051/16
C07C-051/235
B01J-023/00
B01J-031/00
B01J-037/00
출원번호
US-0646875
(1999-03-26)
우선권정보
DE-0015278 (1998-04-06)
국제출원번호
PCT/EP99/02081
(1999-03-26)
국제공개번호
WO99/51341
(1999-10-14)
발명자
/ 주소
Hibst, Hartmut
Unverricht, Signe
출원인 / 주소
BASF Aktiengesellschaft
인용정보
피인용 횟수 :
7인용 특허 :
35
초록▼
Multimetal oxide materials containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and nickel and, if required, one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba and having a 2-component structure are used for the gas-phase catalytic oxidative
Multimetal oxide materials containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and nickel and, if required, one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba and having a 2-component structure are used for the gas-phase catalytic oxidative preparation of acrylic acid.
대표청구항▼
1. A multimetal oxide material of the formula I p (B) q (I),whereA is Mo 12 V a X 1 b X 2 c X 3 d X 4 e X 5 f X 6 g O x ,B is X 7 1 Sb h H i O y ,X 1 is W, Nb, Ta, Cr and/or Ce,X 2 is Cu, Ni, Co, Fe, Mn and/or Zn,X 3 is Sb and/or Bi,X 4 is Li, Na, K,
1. A multimetal oxide material of the formula I p (B) q (I),whereA is Mo 12 V a X 1 b X 2 c X 3 d X 4 e X 5 f X 6 g O x ,B is X 7 1 Sb h H i O y ,X 1 is W, Nb, Ta, Cr and/or Ce,X 2 is Cu, Ni, Co, Fe, Mn and/or Zn,X 3 is Sb and/or Bi,X 4 is Li, Na, K, Rb, Cs and/or H,X 5 is Mg, Ca, Sr and/or Ba,X 6 is Si, Al, Ti and/or Zr,X 7 is Ni and, optionally, one or more elements selected from the group consisting of Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba,a is 1 to 8,b is 0.2 to 5,c is 0 to 23,d is 0 to 50,e is 0 to 2,f is 0 to 5,g is 0 to 50,h is 0.1 to 50,i is 0 to 50,x and y are each numbers which are determined by the valency and frequency of the elements in (I) other than oxygen andp and q are each numbers which differ from zero and whose ratio p/q is from 20:1 to 1:80,which contains the moiety (A) p in the form of three-dimensional regions A having the chemical compositionA: Mo 12 V a X 1 b X 2 c X 3 d X 4 e X 5 f X 6 g O x and the moiety (B) q in the form of three-dimensional regions B having the chemical compositionB: X 7 1 Sb h H i O y ,the regions A and B are distributed relative to one another as in a mixture of finely divided A and finely divided B,with the proviso that, for the preparation of the multimetal oxide materials (I), at least one separately preformed oxometallate B, 7 1 Sb h H i O y ,is present, which is obtained by preparing a dry blend from sources of the elemental constituents of the oxometallate B which contain at least a part of the antimony in oxidation state +5, and calcining said dry blend at a temperature of from 200 to below 600° C. 2. A process for preparation of a multimetal oxide as claimed in claim 1, wherein an oxometallate B, 7 1 Sb h H i O y ,is preformed in finely divided form and then mixed with sources of the elemental constituents of a multimetal oxide material A, 12 V a X 1 b X 2 c X 3 d X 4 e X 5 f X 6 g O x ,in the desired ratio to result in a dry blend, and is subsequently calcined at a temperature from 250 to 500° C., wherein at least a portion of the oxometallate B is obtained by preparing a dry blend from sources of the elemental constituents of the oxometallate B which contain at least a part of the antimony in oxidation state +5, and calcining said dry blend at a temperature from 200 to below 600° C. 3. A process for a gas-phase catalytic oxidative preparation of acrylic acid from acrolein, comprising oxidizing acrolein in the presence of a catalyst, and wherein the catalyst comprises a multimetal oxide as claimed in claim 1. 4. A process for preparation of an oxometallate B of the formula 7 1 Sb h H i O y ,whereX 7 is Ni and, optionally, one or more elements selected from the group consisting of Cu and Zn,h is 0.1 to 50,i is 0 to 50 andy is a number which is determined by the valency and frequency of the elements in the formula other than oxygen,wherein antimony trioxide or Sb 2 O 4 is oxidized in an aqueous medium by means of hydrogen peroxide initially to give an Sb(V) compound, an aninomical aqueous solution of nickel carbonate and, optionally, a zinc carbonate or, copper carbonate is added to the aqueous medium to obtain a mixture and the mixture obtained is dried and calcined at a temperature of 200 to below 600° C.
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이 특허에 인용된 특허 (35)
Guttmann Andrew T. (Maple Heights OH) Grasselli Robert K. (Aurora OH) Brazdil James F. (Mayfield Village OH), Ammoxidation of paraffins and catalysts therefor.
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Michio Tanimoto JP; Tatsuya Kawajiri JP; Hiromi Yunoki JP; Yukio Aoki JP, Catalyst for production of acrylic acid and method for production of acrylic acid by the use of the catalyst.
Krabetz Richard (Kirchheim DEX) Herrmann Walter (Mannheim DEX) Scholz Norbert (Ludwigshafen DEX) Engelbach Heinz (Limburgerhof DEX) Engert Gerd-Juergen (Frankenthal DEX) Willersinn Carl-Heinz (Ludwig, Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively.
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Engelbach Heinz (Limburgerhof DT) Krabetz Richard (Kirchheim DT) Duembgen Gerd (Dannstadt-Schauernheim DT) Willersinn Carl-Heinz (Ludwigshafen DT) Lebert Ulrich (Ludwigshafen DT) Thiessen Fritz (Ludw, Manufacture of acrylic acid by oxidation of propylene with oxygen-containing gases in two separate catalyst stages.
Callahan James L. (Wooster OH) Shaw Wilfrid G. (Lyndhurst OH) Miller Arthur F. (Lyndhurst OH), Method for the preparation of unsaturated carboxylic acid with high activity phosphomolybdic acid based catalysts.
Bremer Noel L. (Kent OH) Brazdil Linda C. (Highland Hts. OH) Brazdil James F. (Highland Hts. OH) Cavalcanti Fernando A. P. (South Euclid OH), Method of improving catalyst activity, improved catalysts and their use.
Shaw Wilfrid G. (Lyndhurst OH) Paparizos Christos (Willowick OH) Farrington Diane G. (Brecksville OH), Methods for treatment of phosphomolybdic acid based catalysts during reactor shutdown.
Neumann Hans-Peter (Mannheim DEX) Martan Hans (Frankenthal DEX) Petersen Hermann (Gruenstadt DEX) Doerflinger Walter (Oestringen DEX), Multimetal oxide compositions and process of preparing same.
Engelbach Heinz (Limburgerhof DEX) Krabetz Richard (Kirchheim DEX) Duembgen Gerd (Dannstadt-Schauernheim DEX) Willersinn Carl-Heinz (Ludwigshafen DEX) Beitelschmidt Walter (Ludwigshafen DEX), Preparation of ab
상세보기
Tenten Andreas (Maikammer DEX) Weidlich Peter (Mannheim DEX) Linden Gerd (Heidelberg DEX), Preparation of a catalyst consisting of a carrier and a catalytically active oxide material applied to the surface of th.
Hibst Hartmut,DEX ; Tenten Andreas,DEX ; Marosi Laszlo,DEX, Preparation of organic acids such as acrylic acid by catalytic oxidation using a group V mixed metal oxide catalyst containing Cu, Mo, W, V, Nb and Ta.
Cavaterra Enrico (Saronno IT) Petrera Donato (Arenzano IT) Pignataro Francesco (Milan IT) Colucci Gabriele (Milan IT), Process for preparing methacrolein from isobutene and oxygen.
Padovan ; Mario ; De Alberti ; Giordano ; Battiston ; Giancarlo ; Covin i ; Romano, Process for preparing unsaturated carboxylic acids by gas phase catalytic oxidation of the corresponding aldehydes.
Padovan Mario (Milan ITX) Battiston Giancarlo (Baranzate ITX) Pignataro Francesco (Gallarate ITX) DeAlberti Giordano (Besnate ITX) Leofanti Giuseppe (Arese ITX), Process for preparing unsaturated carboxylic acids by the catalytic oxidation in the gas phase of the corresponding alde.
White James F. (Akron OH) Rege James R. (Shaker Heights OH) Grasselli Robert K. (Chagrin Falls OH) Suresh Dev D. (Warrensville Heights OH), Process for the preparation of methacrylic acid from methacrolein.
Dieterle, Martin; Hibst, Hartmut; Poepel, Wolfgang Juergen; Petzoldt, Jochen; Mueller Engel, Klaus Joachim, Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu.
Dieterle, Martin; Hibst, Hartmut; Popel, Wolfgang Juergen; Petzoldt, Jochen; Mueller-Engel, Klaus Joachim, Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu.
Dieterle, Martin; Poepel, Wolfgang Juergen; Berndt, Silke; Felder, Raimund; Unverricht, Signe; Mueller Engel, Klaus Joachim, Thermal treatment of the precursor material of a catalytically active material.
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