WO2014189342A1 - 아크롤레인 및 아크릴산 제조용 촉매와 이의 제조 방법 - Google Patents
아크롤레인 및 아크릴산 제조용 촉매와 이의 제조 방법 Download PDFInfo
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- WO2014189342A1 WO2014189342A1 PCT/KR2014/004671 KR2014004671W WO2014189342A1 WO 2014189342 A1 WO2014189342 A1 WO 2014189342A1 KR 2014004671 W KR2014004671 W KR 2014004671W WO 2014189342 A1 WO2014189342 A1 WO 2014189342A1
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- catalyst
- acrylic acid
- acrolein
- catalytically active
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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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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/37—Crush or impact strength
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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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/38—Abrasion or attrition resistance
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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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/395—Thickness of the active catalytic layer
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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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
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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
- B01J35/58—Fabrics or filaments
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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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0221—Coating of particles
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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
- B01J37/08—Heat treatment
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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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Definitions
- the present invention relates to a supported catalyst for producing acrolein and acrylic acid and a process for producing the same.
- a method of gas phase catalytic oxidation of propylene, isobutylene or tertiary butane with molecular oxygen is used in a multi-tubular stationary bed reactor in which a catalyst layer is present.
- various methods such as limiting the thickness of the catalyst layer or using a supported catalyst on which a catalytically active material is supported on a carrier are applied to minimize the temperature rise during the reaction.
- the preparation of the supported catalyst is applied by dispersing the catalytically active material or catalyst precursor in a solvent to obtain a homogeneous solution or slurry, and then spraying or impregnating the carrier with a heat treatment.
- the supported catalyst prepared by the above method has a limit in the amount of supported catalytically active material, and thus, there is a problem that it is difficult to obtain a sufficient catalytic activity.
- a method of adding a binder such as glycerin, ammonium nitrate, silica sol, polyvinyl alcohol, etc. has been proposed.
- the mechanical properties may be reduced after the heat treatment, and thus there is a problem in that the active component is easily peeled off during the layering process of the catalyst.
- the present invention is to provide a catalyst for producing acrolein and acrylic acid having excellent mechanical properties that can minimize the collapse of the catalyst during use.
- the present invention is to provide a method for producing the catalyst. [Measures of problem] According to the invention,
- Catalysts for preparing acrolein and acrylic acid are provided that satisfy the following relationship:
- L is the number average length of the inorganic fiber
- D is the average thickness of the coated catalyst layer
- the catalyst layer may include a catalytically active component represented by Formula 1 below:
- Mo molybdenum
- Bi bismuth
- A is at least one element selected from the group consisting of Fe, In, Mn, Nb and Te
- B is at least one element selected from the group consisting of Co, Rh and Ni
- C is at least one element selected from the group consisting of Na, K, Li, Cs, Ta, Ca, Rb and Mg
- 0 is oxygen;
- the inorganic fiber may be at least one selected from the group consisting of glass fibers, silica fibers, alumina fibers and silica-alumina fibers.
- the inorganic fiber may have a number average length of 2 mm or less and a number average diameter of 2 to 40.
- the inorganic fiber may be included in 2 to 15 parts by weight based on 100 parts by weight of the active ingredient.
- the inert carrier is Si0 2 , AI2O3, MgO, MgCl 2> CaCl 2l Zr0 2 , Ti0 2 , B 2 0 3 , CaO, ZnO, BaO, Th0 2) Si0 2- 1 selected from the group consisting of Al 2 0 3 Si0 2 -MgO, Si0 2 -Ti0 2 , Si0 2 -V 2 0 5 , Si0 2 — Cr0 2 0 3 , Si () 2-Ti0 2 -Mg0, and zeolite It may be more than one species.
- the inert carrier may have a number average particle diameter of 1 to 15 mm.
- acrolein and acrylic acid catalyst comprising a.
- the firing may be performed for 2 to 7 hours in an oxygen atmosphere of 300 to 700 ° C.
- the catalyst for producing acrolein and acrylic acid according to the present invention is excellent in mechanical properties, it is possible to minimize the collapse of the catalyst while more uniform layering, it can be used stably over a longer time.
- the present inventors in the course of research on the catalyst for producing acrolein and acrylic acid, the previous supported catalyst is catalytic activity in the transport or stratification process Not only the material was easily peeled off, but also the mechanical properties were poor, it was confirmed that there is a limit to the stable use, such as the differential pressure generated by the collapse of the catalyst in the process of use.
- the inventors of the present invention in the course of repeated studies to improve the above problems, when the catalytically active ingredient is mixed with inorganic fibers and coated on the inert carrier, while reducing the catalyst activity can be minimized while coating the active ingredient more stably It could be confirmed.
- the ratio of the number average length of the inorganic fiber to the coating thickness in the coating process to a specific range, the mechanical properties of the catalyst is significantly improved, more uniform layering can be prevented while preventing the catalyst from collapse, It was confirmed that the stable use over a longer time.
- Catalysts for preparing acrolein and acrylic acid are provided that satisfy the following relationship:
- the catalyst according to the present invention includes an inert carrier and a catalyst layer coated on at least a part of the carrier.
- the inert carrier refers to a carrier that does not exhibit activity in the oxidation reaction for producing acrolein and acrylic acid from propylene or the like.
- the type of the inert carrier is not particularly limited, and those conventional in the art to which the present invention pertains may be applied.
- the inert carrier is Si0 2> AI2O3, MgO, MgCl 2 , CaCl 2 , Zr0 2 , Ti0 2> 3 ⁇ 40 3 , CaO, ZnO, BaO, Th0 2 , Si0 2 -Al 2 0 3) Si0 2 -Mg0, Si0 2 -Ti0 2> Si0 2 -V 2 0 5 , Si0 2 -Cr0 2 0 3 , Si0 2 -Ti0 2 ⁇ MgO, and zeolite It may be at least one selected from the group consisting of.
- the shape of the inert carrier may be a conventional spherical shape.
- the number average particle diameter of the inert carrier may be 1 to 15 mm 3, preferably 1 to 13 mm, more preferably 1 to 10 nra. That is, in view of the mechanical properties of the catalyst required in the present invention, the filling rate of the catalyst, etc., the number average particle diameter of the inert carrier is advantageously determined in the above-described range.
- the catalyst layer is coated on at least a portion of the inert carrier.
- the catalyst layer comprises a mixture of a catalytically active component and inorganic fibers.
- the catalyst layer may include a catalytically active component represented by Formula 1 below:
- Mo molybdenum
- Bi bismuth
- A is at least one element selected from the group consisting of Fe, Zn, Mn, Nb and Te
- B is at least one element selected from the group consisting of Co, Rh and Ni
- C is at least one element selected from the group consisting of Na, K, Li, Cs, Ta, Ca, Rb and Mg
- 0 is oxygen;
- the catalytically active component cloud represented by the formula (1) can exhibit excellent catalytic activity in the production of acrolein and acrylic acid, it is possible to provide improved reaction efficiency.
- the volume occupied by the catalytically active component may be at least 40% by volume, preferably 60 to 90% by volume, based on the total volume of the catalyst according to the invention. That is, in the catalyst according to the present invention, when the volume of the inert carrier and the inorganic fiber, which will be described later, exceeds 60% by volume, sufficient catalyst activity cannot be secured, which is not preferable. In addition, when the volume ratio of the catalytically active component is too high, the effect of improving the mechanical properties of the catalyst cannot be achieved, which is not preferable.
- the catalyst layer contains inorganic fibers together with the catalytically active component.
- the inorganic fiber is coated (or supported) on the inert carrier in a state in which it is mixed with the catalytically active component, thereby allowing the catalytically active component to be more stably supported on the carrier, and at the same time improving the mechanical properties of the catalyst. Makes it possible.
- the catalyst according to the invention satisfies the following relationship:
- L is the number average length of the inorganic fiber
- D is the average thickness of the coated catalyst layer
- the catalyst according to the present invention is formed so as to satisfy the above relation in the ratio of the average thickness (D) of the catalyst layer coated on the inert carrier and the number average length (L) of the inorganic fibers included in the catalyst layer. Accordingly, the catalyst according to the present invention may exhibit significantly improved mechanical properties compared to the supported catalyst which does not include the inorganic fiber in the catalyst layer or the supported catalyst that does not satisfy the above relationship. If L / D is less than 0.1 or greater than 0.2 in the above relation, the supporting capacity of the catalytically active component on the inert carrier can be secured to some extent.
- the mechanical properties of the catalyst such as high wear rate and drop strength of the catalyst may be reduced overall, the oxidation reaction yield may be reduced due to the reduction of catalyst bed amount and surface area is preferred. Not. And even if the L / D 7 ⁇ greater than 0.2 The mechanical properties of the catalyst may be somewhat lowered, and the yield of oxidation may decrease due to the decrease of the catalytically active component, which is not preferable.
- the L / D is the type and particle size of the inert carrier, the thickness of the catalyst layer to be formed, the type and content of the catalytically active component included in the catalyst layer, the content of inorganic fibers, the material and length of the inorganic fibers, and the like. It can be determined by considering the overall.
- the number average length ⁇ ) of the inorganic fiber may be 2 mm or less, or 0.05 to 2 mm, or 0.1 to 1.5 mm, or 0.1 to 1 mm for uniform mixing with the catalytically active component.
- the number average diameter of the inorganic fiber may be 2 to 40 iM, or 2 to 30 tm, or 4 to 20.
- the average thickness (D) of the catalyst layer can be determined in consideration of the above-described relationship.
- the material of the inorganic fiber is not particularly limited, and those conventional in the art to which the present invention belongs can be applied.
- the inorganic fiber is at least one member selected from the group consisting of glass fiber, silica fiber, alumina fiber and silica-alumina fiber in order to sufficiently express the above-mentioned effects without adversely affecting the catalytic activity. It is preferable.
- the content of the inorganic fiber included in the catalyst layer may be determined in the range that the above-described effects due to the addition of the inorganic —fibers may be sufficiently expressed but do not decrease the catalytic activity.
- the content of the inorganic fiber may be 2 to 15 parts by weight, preferably 2 to 10 parts by weight, based on 100 parts by weight of the catalytically active component.
- a method for preparing the acrolein and acrylic acid catalyst comprising a.
- the method according to the embodiment applies a coating method, not a supporting method, wherein the inorganic fiber to satisfy the above-described relationship
- the number average length and the average thickness of the catalyst layer can be adjusted.
- the mixture of the said catalyst active ingredient and an inorganic fiber is powder. Therefore, as a method of coating the powder on the inert carrier, a method of putting the inert carrier and the powder into a centrifugal rotor, a vibrating granulator or the like and stirring may be applied. In this case, in order to induce a smoother coating, a solvent such as water, alcohols, a mixed solution of water and alcohols may be added little by little.
- a method of coating the powder on an inert carrier a method of immersing the inert carrier in a slurry containing the powder or a method of spraying the slurry on a inactive carrier may be applied.
- the methods using the slurry may have a longer drying time after coating than the methods using the powder, and the overall productivity may be somewhat lowered, such as the injection nozzle being clogged by inorganic fibers during the spraying of the slurry.
- the coating step may be carried out under room temperature conditions.
- the number average length (L) of the inorganic fibers and the average thickness (D) of the catalyst layer may be adjusted to satisfy the above-described relationship.
- the catalyst of the inert carrier in a comprehensive, and the coating step can, be carried out.
- coated inert carrier may be obtained as a catalyst for producing acrolein and acrylic acid according to the present invention through a drying and firing process.
- the drying of the coated inert carrier is a process for drying the solvent used in the coating step, can be carried out for a non-limiting example for 2 to 24 hours at a temperature of 90 to 200 ° C.
- Silver is advantageously performed for 2 to 7 hours under an oxygen atmosphere of 300 to 700 ° C. in terms of expression of the catalytic activity.
- the catalyst thus prepared is subjected to a gas phase catalytic oxidation reaction in which acrolein and acrylic acid are obtained from propylene, isobutylene or tertiary butanol. It can exhibit excellent catalytic activity.
- the gas phase catalytic oxidation reaction may be carried out using an oxidation reactor filled with the catalyst (a non-limiting example, a multi-tubular fixed bed reactor with a shell-and-tube type heat exchanger).
- the molar ratio of the raw material and oxygen introduced into the reaction may be 1: 0.5 to 1: 3, the reaction may be carried out at 200 to 450 ° C and 0.1 to 10 atm.
- a first solution was prepared by dissolving about lOOOOg of ammonium molybdate while heating about 2500 ml of distilled water to about 90 ° C. in a 5 liter volume glass reactor equipped with a stirrer.
- the prepared suspension was put in an electric oven at about 130 ° C., dried for about 24 hours, and then stirred for about 2 hours while grinding to a number average particle diameter of about 130 or less to obtain powder of the catalytically active component for coating.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter, number average length about 120) was added to 100 parts by weight of the catalytically active component according to the preparation example.
- alumina balls having a number average particle diameter of about 2.8 mm 3 were placed in a centrifugal rotor, and the mixture of the catalytically active component and silica-alumina fibers and water was added thereto several times.
- the coated alumina ball was dried at about 130 ° C. for about 12 hours, and then calcined for about 5 hours under an oxygen atmosphere of about 500 ° C. to obtain a catalyst.
- the composition ratio of the elements excluding oxygen in the catalytically active component was found to be MoizBia ⁇ Fei ⁇ Cos.sKo ⁇ .
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter of about 10, number average length of about 140 ⁇ m) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 kPa (L / D according to the above relation is about 0.12
- a catalyst was obtained in the same manner as in Example 1, except that was obtained.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter of about 10 urn, number average length of about 180 / m) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 mm (L / D according to the above relation is about A catalyst was obtained in the same manner as in Example 1, except that 15) was obtained.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter about 10 m, number average length about 220 IM) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the catalyst layer coated on the final catalyst A catalyst was obtained in the same manner as in Example 1, except that the average thickness was about 1.2 mm (L / D according to the above relation is about 0.18).
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter of about 10 ⁇ , number average length of about 240 ⁇ m) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 mm (L / D according to the above relation is about 0.2
- a catalyst was obtained in the same manner as in Example 1, except that () was obtained.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter about 10 urn, number average length about 84) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 mm (L / D according to the above relation is about 0.07
- a catalyst was obtained in the same manner as in Example 1, except that 1) was obtained.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 ⁇ (L / D according to the above relation is about 0.25
- a catalyst was obtained in the same manner as in Example 1, except that was obtained.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter of about 10, number average length of about 360 m) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 ⁇ (L / D according to the above relation is about 0.3
- a catalyst was obtained in the same manner as in Example 1, except that () was obtained.
- a mixture comprising 5 parts by weight of silica-alumina fiber (number average diameter, number average length about 480) was prepared based on 100 parts by weight of the catalytically active component according to the preparation example.
- the average thickness of the catalyst layer coated on the final catalyst is about 1.2 mm (L / D according to the above relation is about A catalyst was obtained in the same manner as in Example 1, except that 0.4) was obtained.
- a catalyst was obtained in the same manner as in Example 1, except that the active ingredient was coated on the alumina ball without adding silica-alumina fibers.
- the suspension obtained by drying and pulverizing the suspension was extruded in the form of an outer diameter of about 5 mm 3 and a length of about 5.5 mm 3, and then fired for about 5 hours under an air atmosphere of about 50 C C.
- a catalyst was obtained.
- acrolein and acrylic acid were prepared by vapor phase catalytic oxidation reaction using propylene as a raw material.
- the reaction was carried out in a shell-and-tube tube type heat exchanger equipped with a shell-and-tube type heat exchanger (inner diameter of the tube 1 inch; diameter of the shell 350 mm; catalyst filling section length 3000 kPa), and the raw material mixing gas (propylene 8).
- the catalyst according to the embodiments was found to be superior to the catalyst according to the comparative examples while the mechanical properties such as layer strength, wear rate, drop strength, etc. .
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015555116A JP5945371B2 (ja) | 2013-05-24 | 2014-05-26 | アクロレインおよびアクリル酸製造用触媒とその製造方法 |
| EP14800393.2A EP2939736B1 (en) | 2013-05-24 | 2014-05-26 | Catalyst for preparing acrolein and acrylic acid, and method for preparing same |
| US14/766,908 US10857525B2 (en) | 2013-05-24 | 2014-05-26 | Catalyst for preparing acrolein and acrylic acid, and preparation method thereof |
| CN201480011227.4A CN105026036B (zh) | 2013-05-24 | 2014-05-26 | 用于制备丙烯醛和丙烯酸的催化剂及所述催化剂的制备方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0059092 | 2013-05-24 | ||
| KR20130059092 | 2013-05-24 | ||
| KR10-2014-0062553 | 2014-05-23 | ||
| KR1020140062553A KR101554318B1 (ko) | 2013-05-24 | 2014-05-23 | 아크롤레인 및 아크릴산 제조용 촉매와 이의 제조 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014189342A1 true WO2014189342A1 (ko) | 2014-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/004671 Ceased WO2014189342A1 (ko) | 2013-05-24 | 2014-05-26 | 아크롤레인 및 아크릴산 제조용 촉매와 이의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10857525B2 (ko) |
| EP (1) | EP2939736B1 (ko) |
| JP (1) | JP5945371B2 (ko) |
| KR (1) | KR101554318B1 (ko) |
| CN (1) | CN105026036B (ko) |
| WO (1) | WO2014189342A1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102210508B1 (ko) * | 2015-12-23 | 2021-02-01 | 주식회사 엘지화학 | 글리세린 탈수 반응용 촉매의 제조 방법 및 아크롤레인의 제조 방법 |
| SG11201809019YA (en) * | 2016-04-21 | 2018-11-29 | Rohm & Haas | Methods for using macroporous inert materials in monomer production |
| KR102297983B1 (ko) * | 2017-05-25 | 2021-09-02 | 주식회사 엘지화학 | (메타)아크롤레인 및/또는 (메타)아크릴산 제조용 촉매 조성물과 이의 제조 방법 |
| KR102639107B1 (ko) * | 2019-06-07 | 2024-02-20 | 주식회사 엘지화학 | 불활성 물질의 회수 방법 및 이를 이용하여 회수된 불활성 물질을 이용한 (메트)아크릴산의 제조 방법 |
| KR102795505B1 (ko) * | 2020-10-16 | 2025-04-11 | 주식회사 엘지화학 | 몰리브덴-비스무트계 복합 금속 산화물의 제조방법 |
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- 2014-05-26 CN CN201480011227.4A patent/CN105026036B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5945371B2 (ja) | 2016-07-05 |
| KR101554318B1 (ko) | 2015-09-18 |
| EP2939736A1 (en) | 2015-11-04 |
| KR20140138082A (ko) | 2014-12-03 |
| CN105026036A (zh) | 2015-11-04 |
| US20160001270A1 (en) | 2016-01-07 |
| US10857525B2 (en) | 2020-12-08 |
| JP2016505377A (ja) | 2016-02-25 |
| EP2939736A4 (en) | 2016-05-04 |
| CN105026036B (zh) | 2018-04-27 |
| EP2939736B1 (en) | 2019-03-27 |
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