WO2008104432A1 - Aus hohlen formen bestehende mischoxidkatalysatoren - Google Patents
Aus hohlen formen bestehende mischoxidkatalysatoren Download PDFInfo
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- WO2008104432A1 WO2008104432A1 PCT/EP2008/050985 EP2008050985W WO2008104432A1 WO 2008104432 A1 WO2008104432 A1 WO 2008104432A1 EP 2008050985 W EP2008050985 W EP 2008050985W WO 2008104432 A1 WO2008104432 A1 WO 2008104432A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8876—Arsenic, antimony or bismuth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
- B01J23/8885—Tungsten containing also molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
- B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
- B01J35/52—Hollow spheres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/36—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in compounds containing six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Definitions
- the invention relates to hollow oxide mixed catalytic catalysts for the catalytic
- the catalyst can be used to convert the highly exothermic reaction of propene to acrolein and acrylic acid or isobutene to methacrolein and methacrylic acid.
- the highly exothermic reaction of the olefin on heterogeneous catalysts with an oxygen-containing gas leads in addition to the desired product acrolein and acrylic acid to a number of by-products: for example, to form CO2, CO, acetaldehyde or acetic acid.
- mixed oxides are generally used as the catalyst, which have a complex structure in their chemical and physical structure.
- a variety of publications describe mixed oxides which are capable of being used as catalysts for the production of acrolein and acrylic acid from propene. These catalysts are usually made of molybdenum, vanadium and / or tungsten. At least one of the elements bismuth, Antimony, vanadium, tellurium, tin, iron, cobalt, nickel and / or copper added.
- WO 2005/063673 relates to the dilution of the catalyst by an inert material to prevent the formation of heat in the
- WO2005035115 the preparation of a catalyst of the composition of metal oxide and sublimable materials is described.
- the metal oxide acts catalytically, the sublimable material as an additive to
- the resulting catalyst is very active, has a high surface area and is able to form acrolein and acrylic acid with high selectivity.
- From DE 10344149 is an annular unsupported catalyst based on a M ⁇ i2Bi a FebXl c X2 d X3 e X4f0n (1) with a length of 2-11 mm, an outer diameter of 2-11 mm and a wall thickness of 0.75-1.75 mm for the partial oxidation of propene to acrolein or methacrolein known.
- the catalyst (I) has the advantage of improved activity and selectivity.
- Such hollow spheres can be made according to Andersen, Schneider and Stephanie (see “New High Porous Metallic Materials", Ingenieur-Werkstoffe, 4, 1998, pp. 36-38)
- a mixture of the desired alloy, an organic binder and optionally, an inorganic binder is uniformly sprayed through a fluidized bed of polystyrene spheres where it coats the spheres
- the coated spheres are then calcined at optional temperatures in the range of 450 to 1000 ° C to burn out the polystyrene, followed by a higher calcining temperature to the metal
- the catalyst is activated by caustic soda to activate the catalyst
- the object of the present invention is to provide a catalyst with an increased catalytic activity over the prior art.
- the invention is further based on the object, an improved process for the preparation of aldehydes and
- acrolein and acrylic acid are prepared from propene by oxidation with air or oxygen in the presence of inert gases, including water vapor or exhaust gases from the reaction at elevated temperatures and the presence of a heterogeneous mixed oxide catalyst. It is intended to provide a mixed oxide catalyst which, in addition to propene conversions of greater than 95%, also achieves a high product selectivity of greater than or equal to 88%, so that the cost-effectiveness of the process is improved.
- the invention relates to catalysts consisting of hollow molds for the oxidation of olefins, for example mixed oxide catalysts of the general formula
- D at least one of the elements selected from the group W
- P at least one of the elements selected from the group Li, K, Na, Rb, Cs, Mg, Ca, Ba, Sr,
- F at least one of the elements selected from the group Ce, Mn, Cr, V,
- G at least one of the elements selected from the group Nb, Se, Te, Sm, Gd, La, Y, Pd, Pt, Ru, Ag, Au,
- H at least one of the elements selected from the group Si, Al, Ti, Zr,
- x number determined by the valency and frequency of elements other than oxygen.
- a particularly suitable catalytically active solid for example for Reaction of propene to acrolein and acrylic acid are obtained.
- the reaction is particularly advantageously carried out in reactors which allow the catalyst to be used as a fixed bed. However, it is also possible to use the catalyst as a fluidized bed catalyst. It should be noted at this point that the catalysts according to the invention can also be used to convert isobutene to methacrolein and methacrylic acid.
- the preparation of catalysts of the described composition can be carried out by producing a finely divided powder through the production steps: dissolving the metal salts, precipitating the active components, drying and calcination and shaping the calcined powder. As is well known, this can be done by tableting, extrusion or by coating a
- Carrier happen.
- the carrier form is not limiting.
- the carrier may be a pyramid, a cylinder or a sphere.
- the support is a matrix which predetermines the active composition and is removed after or during the solidification of the active composition, so that a hollow body is formed. The removal takes place by targeted dissolution by means of a solvent or preferably thermally, for example by thermal radiation.
- the coated support should preferably be treated in the temperature range from 450 to 600 ° C. in the presence of oxygen, in particular of air, so that the catalytically active material solidifies for use in industrial reactors and the support decomposes without leaving any residue.
- the carriers used are organic materials, for example polystyrene-based plastics such as ASA (acrylonitrile / styrene / acrylic ester), polystyrene (PS, PS-I), SAN (styrene / acrylonitrile).
- ASA acrylonitrile / styrene / acrylic ester
- PS polystyrene
- PS-I polystyrene
- SAN styrene / acrylonitrile
- the size of the carrier matrix is not limiting.
- bodies of 0.1 to 20 mm, in particular up to 5 mm are used.
- carriers in the range of 10 ⁇ 6 to 0.1 mm or greater than 2 mm.
- the catalyst thus prepared has an excellent activity with high selectivity and lifetime and leads to a very good product yield.
- the catalysts to be used in the described gas phase oxidation process are obtained by combining the dissolved compounds of the catalytically active elements of the formula I with the desired concentrations.
- the components are ideally used in the form of the compounds selected from the group consisting of ammonium or amine compounds, oxalates, carbonates, phosphates, acetates, carbonyls and / or nitrates, individually or together. Particular preference is given to carbonates, nitrates and phosphates or mixtures of these. It is also possible to use acids of the salts, for example nitric acid, phosphoric acid or carbonic acid.
- the first stage of catalyst preparation forms a precipitate.
- Metal salts used in the precipitation step may require the components to be added to the precipitation mixture in the form of solution mixtures.
- ammonia or ammonium salts are used, for example ammonium carbonate, ammonium heptamolybdate or metal nitrates, for example iron nitrate, cobalt nitrate; You can also the corresponding acids, such as nitric acid in the setting for the Use ion ratio necessary amounts.
- the pH during the precipitation is ⁇ 8, in particular ⁇ 7.
- the preparation of coprecipitates can be carried out in a precipitation step. It is particularly preferred to carry out the precipitation in several stages by adding the individual components step by step or by mixtures of these.
- the number of precipitation stages is not limited in principle. However, one to three precipitation stages are preferred.
- the suspension obtained can be further processed directly or allowed to mature for> 0 to 24 hours, preferably> 0 to 12 hours, more preferably> 0 to 6 hours. It is understood that the precipitation suspension is homogenized prior to further processing, for example by stirring.
- the liquid can be removed from the suspension by evaporation, centrifugation or filtration.
- evaporation centrifugation
- filtration filtration
- Liquid should be evaporated at a temperature of 80 to 130 0 C.
- the drying of the solid can be carried out with air, oxygen-containing inert gases or inert gases, for example nitrogen. If the drying is carried out in an oven, the temperature should be between 100 and 200 ° C.
- the initial temperature of the dry medium of 200 to 500 0 C and a temperature at deposition of the dried powder of 80 to 200 0 C should provide.
- the resulting grain should preferably have a particle size distribution of 15 to 160 microns with a mean grain diameter between 15 and 80 microns.
- the dried powder can then in principle in a variety of furnace types such. Eg in one Convection oven, rotary kiln, tray furnace, shaft furnace or belt kiln are calcined.
- the quality of control or the quality of the temperature detection of the furnace should be as high as possible.
- the residence time of the powder in the oven should be between 0.25 and 13 h, depending on the type of oven.
- thermal decomposition of the salts such.
- B. nitrates or carbonates in one or more stages to perform. Temperatures of 200 to 600 0 C applied, in particular 300 ° to 600 ° can be used.
- the thermal decomposition can be carried out with the addition of inert gas, mixtures of oxygen with an inert gas.
- inert gas can be used, for.
- nitrogen nitrogen, helium, water vapor or mixtures of these gases.
- the powder thus obtained can already be used as a catalyst.
- the average particle size distribution of the powder should be from 0.01 to 50 ⁇ m.
- the mixed oxide powder in the inventive form is applied to a support which is removed after the solidification of the catalytically active material, so that a hollow body is formed.
- the removal is carried out by targeted dissolution by means of a solvent or preferably thermally, for example by thermal radiation.
- the carrier and catalytically active layer existing precursor of the catalyst according to the invention preferably in the temperature range of 490 to 600 0 C, in particular 490 to 580 0 C treated, so that solidifies the catalytically active material for use in industrial reactors and the carrier simultaneously or subsequently removed without residue.
- the carriers used are organic materials, for example polystyrene-based plastics such as ASA (acrylonitrile / styrene / acrylic ester), polystyrene (PS, PS-I), SAN (Styrene / acrylonitrile) used, but there is no restriction on these plastics, it can, for example, celluloses or sugars are used.
- polystyrene-based plastics such as ASA (acrylonitrile / styrene / acrylic ester), polystyrene (PS, PS-I), SAN (Styrene / acrylonitrile) used, but there is no restriction on these plastics, it can, for example, celluloses or sugars are used.
- the geometric shape of the carrier is not limiting. Rather, it is based on the specifications of the reactor and the reaction regime (eg pipe diameter, length of the catalyst bed).
- the carrier may be a pyramid, a cylinder, a saddle, a ball or a polygon.
- the size of the wearer is usually carriers of 0.1 to 5 mm. However, it is also conceivable to use supports in the range of 10 " to 0.1 mm or more than 2 mm
- the thickness of the mixed oxide coverage is, as a rule, between 10 " and 1.5 mm, depending on the size of the support, and a coverage thickness of 0.1 is particularly preferred up to 1.5 mm.
- the coating of the carrier for producing the catalyst precursor is carried out by spraying an aqueous suspension containing the catalyst powder and binder.
- the catalyst powder is preferably used in calcined at 470 0 C to 600 0 C form.
- the suspension may also be added to one of the known pore formers.
- binders various oils, celluloses, polyvinyl alcohols, saccharides, acrylates and alkyl derivatives, mixtures or condensates thereof can be used. Preference is given to acrylates, polyvinyl alcohols and celluloses or sugars. Particular preference is given to derivatives and condensates of acrylates and / or celluloses and / or sugars, and mixtures of these.
- the support After drying the coated support at temperatures of preferably up to 110 0 C, the support is removed.
- the removal is carried out by targeted extraction by means of a suitable solvent or thermally, for example by thermal radiation, carried out at elevated temperatures in the presence of oxygen.
- the coated substrate should preferably be treated in the temperature range 490-600 0 C, so that the active composition to form a solid shell, while the carrier dissolves or disintegrates without residue.
- the invention also relates to the oxidation of olefins to unsaturated aldehydes and corresponding acids in the presence of the catalysts of the invention.
- the reaction for the production of acrolein and acrylic acid is generally carried out at temperatures of 250 to 450 0 C and a pressure of 1.0 to 2.2 bara.
- the reactants olefin, air and inert gases are preferably fed to the catalyst bed in a ratio of 1: 6 to 9: 3 to 18 at a loading of 2 to 10 mol of olefin / dm 3 of catalyst bed / h.
- the exhaust gas can be used from the reaction, from which the condensable components were separated. Particularly good results are achieved when using tube bundle or fluidized bed reactors.
- the catalysts according to the invention lead to improved activity when used in the abovementioned oxidation processes, even under high specific loading.
- a solution I was prepared by dissolving the nitrates of iron, cobalt, nickel, manganese, potassium in the proportions by weight 23.2: 47.26: 29.28: 0.0646: 0.2067 in 3.5 liters of water, under Stirring was heated to 40 0 C and a nitric acid solution of 0.1 mol of Sm 3+ and 2 mol HNO3 was added.
- Solution II was added slowly to solution I with vigorous stirring.
- another solution III consisting of 790 g of bismuth nitrate and
- the coprecipitate was stirred vigorously for 12 hours.
- the resulting suspension was dried in a spray dryer with a hub at a gas inlet temperature of 350 0 C.
- the amount of air was adjusted so that an exit temperature of 110 +/- 10 0 C was obtained.
- This powder was treated in a circulating air oven at a temperature of 445 ° C for 1 hour until a mixed oxide formed.
- the mixed oxide was sprayed as an aqueous suspension through a two-fluid nozzle onto a spherical polystyrene carrier and dried at 6O 0 C in a stream of air. To homogenize the pellets they were circulated. To solidify the applied active composition, the resulting material was heated in the presence of oxygen at 520 0 C for 5 hours.
- Example 1 The catalyst of Example 1 was charged with a mixture of the composition of 7.3% by volume of propene (chemical grade), 60% by volume of air and inert gas. At a bath temperature of 318 ° C and a contact time of 2.0s was obtained at a conversion of 92%, acrolein and acrylic acid with a selectivity of 95%.
- the catalyst was prepared according to Example 1. Instead of the styrofoam ball, the carrier used was an aluminum carrier which can not be removed. The obtained catalyst had the same geometric shape. With a bath temperature higher by 12 ° C., the reaction time had to be extended by a factor of 1.35 in order to obtain comparable conversions. The selectivity of acrolein and acrylic acid was 94%.
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009135860/04A RU2491122C2 (ru) | 2007-03-01 | 2008-01-28 | Смешанные оксидные катализаторы в виде полых тел |
| EP08708303.6A EP2125213B1 (de) | 2007-03-01 | 2008-01-28 | Aus hohlen formen bestehende mischoxidkatalysatoren |
| BRPI0808026-7A2A BRPI0808026A2 (pt) | 2007-03-01 | 2008-01-28 | Catalisadores de óxidos mistos feitos de formas ocas |
| MX2009007862A MX2009007862A (es) | 2007-03-01 | 2008-01-28 | Catalizadores de oxidos mixtos consistentes de formas huecas. |
| CN200880006754.0A CN101631615B (zh) | 2007-03-01 | 2008-01-28 | 由中空形状物制成的混合氧化物催化剂 |
| JP2009551149A JP5610771B2 (ja) | 2007-03-01 | 2008-01-28 | 中空形材からなる混合酸化物触媒 |
| US12/528,407 US20100324331A1 (en) | 2007-03-01 | 2008-01-28 | Mixed oxide catalysts made of hollow shapes |
| US13/491,753 US20120283088A1 (en) | 2007-03-01 | 2012-06-08 | Mixed Oxide Catalysts Made of Hollow Shapes |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007009981A DE102007009981A1 (de) | 2007-03-01 | 2007-03-01 | Aus hohlen Formen bestehende Mischoxidkatalysatoren |
| DE102007009981.0 | 2007-03-01 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/491,753 Division US20120283088A1 (en) | 2007-03-01 | 2012-06-08 | Mixed Oxide Catalysts Made of Hollow Shapes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008104432A1 true WO2008104432A1 (de) | 2008-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/050985 Ceased WO2008104432A1 (de) | 2007-03-01 | 2008-01-28 | Aus hohlen formen bestehende mischoxidkatalysatoren |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US20100324331A1 (de) |
| EP (1) | EP2125213B1 (de) |
| JP (1) | JP5610771B2 (de) |
| CN (1) | CN101631615B (de) |
| BR (1) | BRPI0808026A2 (de) |
| DE (1) | DE102007009981A1 (de) |
| MX (1) | MX2009007862A (de) |
| MY (1) | MY162690A (de) |
| RU (1) | RU2491122C2 (de) |
| SG (1) | SG170046A1 (de) |
| WO (1) | WO2008104432A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2765127A1 (de) | 2013-02-06 | 2014-08-13 | Evonik Industries AG | Verfahren zur Abtrennung von Acrolein aus dem Prozessgas einer heterogen katalysierten Oxidation von Propen |
| JP5574434B2 (ja) * | 2008-11-06 | 2014-08-20 | 日本化薬株式会社 | メタクリル酸の製造方法及びメタクリル酸製造用触媒 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9149799B2 (en) * | 2010-04-28 | 2015-10-06 | Basf Se | Eggshell catalyst consisting of a hollow cylindrical support body and a catalytically active oxide material applied to the outer surface of the support body |
| DE102013006251A1 (de) * | 2013-04-11 | 2014-10-16 | Clariant International Ltd. | Verfahren zur Herstellung eines Katalysators zur partiellen Oxidation von Olefinen |
| US10112830B2 (en) | 2014-12-08 | 2018-10-30 | Clariant Corporation | Shaped catalyst for sour gas shift reactions and methods for using them |
| CN104984768B (zh) * | 2015-07-07 | 2018-04-27 | 中国科学院过程工程研究所 | 一种甲基丙烯醛氧化制甲基丙烯酸的纳米空心球催化剂及其制备方法 |
| MY205896A (en) * | 2018-02-26 | 2024-11-19 | Mitsubishi Chem Corp | METHOD FOR PREPARING CATALYST FOR PRODUCING a,-UNSATURATED CARBOXYLIC ACID, AND METHOD FOR PRODUCING a,-UNSATURATED CARBOXYLIC ACID AND a,-UNSATURATED CARBOXYLIC ACID ESTER |
| CN112705215B (zh) * | 2019-10-25 | 2023-08-29 | 中国石油化工股份有限公司 | 核壳型催化剂及其制备方法与应用 |
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| GB1442566A (en) * | 1973-10-26 | 1976-07-14 | Hoechst Ag | Production of pellets which are in the form of porous globules |
| GB2055787A (en) | 1979-08-01 | 1981-03-11 | Ass Cement Co | Closed cellular hollow refractory spheres |
| US4537874A (en) | 1982-10-22 | 1985-08-27 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for production of unsaturated aldehydes |
| JPH05277381A (ja) | 1992-04-01 | 1993-10-26 | Mitsubishi Rayon Co Ltd | 不飽和アルデヒド及び不飽和カルボン酸合成用触媒の製造法 |
| DE10344149A1 (de) | 2003-09-22 | 2004-04-08 | Basf Ag | Verfahren zur Herstellung von ringförmigen Vollkatalysatoren |
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| US2941007A (en) | 1957-06-10 | 1960-06-14 | Standard Oil Co | Process for the oxidation of olefins |
| JP2988660B2 (ja) * | 1996-12-12 | 1999-12-13 | 株式会社日本触媒 | メタクロレインおよびメタクリル酸の製造方法 |
| KR100569632B1 (ko) * | 1999-05-13 | 2006-04-10 | 가부시키가이샤 닛폰 쇼쿠바이 | 불포화 알데히드 및 불포화 카르복실산을 제조하기 위한촉매 및 이 촉매를 사용하여 불포화 알데히드 및 불포화카르복실산을 제조하기 위한 방법 |
| DE19933450A1 (de) * | 1999-07-16 | 2001-01-18 | Degussa | Metallkatalysatoren |
| RU2285690C2 (ru) * | 2000-06-20 | 2006-10-20 | Басф Акциенгезельшафт | Способ получения акролеина и/или акриловой кислоты |
| AU2002240870A1 (en) * | 2000-12-23 | 2002-07-08 | Degussa Ag | Method for producing alcohols by hydrogenating carbonyl compounds |
| US6919295B2 (en) * | 2002-05-01 | 2005-07-19 | Rohm And Haas Company | Supported mixed metal oxide catalyst |
| TW200400851A (en) * | 2002-06-25 | 2004-01-16 | Rohm & Haas | PVD supported mixed metal oxide catalyst |
| WO2004050240A1 (en) * | 2002-12-02 | 2004-06-17 | The Standard Oil Company | Mixed oxide catalyst of k, cs, ce, cr, co, ni, fe, bi and mo for the manufacture of acrylonitrile |
| MY144024A (en) * | 2003-09-22 | 2011-07-29 | Basf Ag | Preparation of annular unsupported catalysts |
| WO2005035115A1 (en) | 2003-10-14 | 2005-04-21 | Lg Chem, Ltd. | A catalyst for gaseous partial oxidation of propylene and method for preparing the same |
| US7265250B2 (en) | 2003-12-26 | 2007-09-04 | Lg Chem, Ltd. | Method of producing unsaturated aldehyde and/or unsaturated fatty acid |
| TWI342877B (en) * | 2003-12-26 | 2011-06-01 | Lg Chemical Ltd | Method of producing unsaturated aldehyde and/or unsaturated acid |
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2007
- 2007-03-01 DE DE102007009981A patent/DE102007009981A1/de not_active Withdrawn
-
2008
- 2008-01-28 SG SG201101399-2A patent/SG170046A1/en unknown
- 2008-01-28 WO PCT/EP2008/050985 patent/WO2008104432A1/de not_active Ceased
- 2008-01-28 US US12/528,407 patent/US20100324331A1/en not_active Abandoned
- 2008-01-28 EP EP08708303.6A patent/EP2125213B1/de active Active
- 2008-01-28 MX MX2009007862A patent/MX2009007862A/es active IP Right Grant
- 2008-01-28 CN CN200880006754.0A patent/CN101631615B/zh not_active Expired - Fee Related
- 2008-01-28 BR BRPI0808026-7A2A patent/BRPI0808026A2/pt not_active Application Discontinuation
- 2008-01-28 JP JP2009551149A patent/JP5610771B2/ja not_active Expired - Fee Related
- 2008-01-28 RU RU2009135860/04A patent/RU2491122C2/ru not_active IP Right Cessation
- 2008-01-28 MY MYPI20093589A patent/MY162690A/en unknown
-
2012
- 2012-06-08 US US13/491,753 patent/US20120283088A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1442566A (en) * | 1973-10-26 | 1976-07-14 | Hoechst Ag | Production of pellets which are in the form of porous globules |
| GB2055787A (en) | 1979-08-01 | 1981-03-11 | Ass Cement Co | Closed cellular hollow refractory spheres |
| US4537874A (en) | 1982-10-22 | 1985-08-27 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for production of unsaturated aldehydes |
| JPH05277381A (ja) | 1992-04-01 | 1993-10-26 | Mitsubishi Rayon Co Ltd | 不飽和アルデヒド及び不飽和カルボン酸合成用触媒の製造法 |
| DE10344149A1 (de) | 2003-09-22 | 2004-04-08 | Basf Ag | Verfahren zur Herstellung von ringförmigen Vollkatalysatoren |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5574434B2 (ja) * | 2008-11-06 | 2014-08-20 | 日本化薬株式会社 | メタクリル酸の製造方法及びメタクリル酸製造用触媒 |
| EP2765127A1 (de) | 2013-02-06 | 2014-08-13 | Evonik Industries AG | Verfahren zur Abtrennung von Acrolein aus dem Prozessgas einer heterogen katalysierten Oxidation von Propen |
| WO2014122044A1 (de) | 2013-02-06 | 2014-08-14 | Evonik Industries Ag | Verfahren zur abtrennung von acrolein aus dem prozessgas einer heterogen katalysierten oxidation von propen |
Also Published As
| Publication number | Publication date |
|---|---|
| SG170046A1 (en) | 2011-04-29 |
| RU2491122C2 (ru) | 2013-08-27 |
| US20100324331A1 (en) | 2010-12-23 |
| JP2010520040A (ja) | 2010-06-10 |
| DE102007009981A1 (de) | 2008-09-04 |
| US20120283088A1 (en) | 2012-11-08 |
| MY162690A (en) | 2017-07-14 |
| CN101631615A (zh) | 2010-01-20 |
| CN101631615B (zh) | 2013-03-27 |
| EP2125213B1 (de) | 2019-03-20 |
| BRPI0808026A2 (pt) | 2014-06-17 |
| EP2125213A1 (de) | 2009-12-02 |
| RU2009135860A (ru) | 2011-05-27 |
| MX2009007862A (es) | 2009-07-31 |
| JP5610771B2 (ja) | 2014-10-22 |
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