WO2005115608A1 - 熱交換型反応器 - Google Patents
熱交換型反応器 Download PDFInfo
- Publication number
- WO2005115608A1 WO2005115608A1 PCT/JP2005/010203 JP2005010203W WO2005115608A1 WO 2005115608 A1 WO2005115608 A1 WO 2005115608A1 JP 2005010203 W JP2005010203 W JP 2005010203W WO 2005115608 A1 WO2005115608 A1 WO 2005115608A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heat medium
- heat exchange
- reaction
- heat
- regions
- Prior art date
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Classifications
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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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2425—Tubular reactors in parallel
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
- F28D7/0083—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium
- F28D7/0091—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium the supplementary medium flowing in series through the units
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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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
- B01J2208/00221—Plates; Jackets; Cylinders comprising baffles for guiding the flow of the heat exchange medium
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00389—Controlling the temperature using electric heating or cooling elements
- B01J2208/00407—Controlling the temperature using electric heating or cooling elements outside the reactor bed
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00085—Plates; Jackets; Cylinders
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
Definitions
- the present invention relates to a heat exchange reactor and a reaction method and a production method using the same.
- the reaction to obtain the product (B) from the raw material compound (A) by a thermal reaction is such that if the reaction is carried out at a temperature exceeding a predetermined reaction temperature, heat is easily generated rapidly, so the reaction is carried out while removing heat efficiently. It is required to be.
- a heat exchanger comprising a reaction tube (2) and a reactor shell (3) covering the periphery of the reaction tube (2) as a reactor for performing such a reaction.
- Type reactor ( ⁇ ) is widely used. In this reactor ( ⁇ ), a product (B) is obtained by an exothermic reaction while the raw material compound (A) is passed through a reaction tube (2).
- the reactor shell (3) is divided into a plurality of regions (31 to 34) along the passing direction of the raw material compound (A), and each of the divided regions (31 to 34) has a heating medium (C). 1 to C4), and heat is exchanged between the inside of the reaction tube (2) and the heat medium (C1 to C4), respectively (Japanese Patent Laid-Open No. 2001-129394) .
- a heat exchange reactor ⁇
- the heat is efficiently removed by changing the temperature of the heat medium (C1 to C4) according to the calorific value for each region (31 to 34).
- the inside of the reaction tube (2) can be maintained at a predetermined reaction temperature.
- the present invention relates to a reaction tube for obtaining a product (B) by an exothermic reaction while passing the raw material compound (A), and covering the periphery of the reaction tube, and the inside thereof is a passing direction of the raw material compound (A). And a reactor shell filled with a heat medium for each of the divided areas, and heat exchange between the inside of the reaction tube and the heat medium for each of the divided areas.
- a heater that heats the heat medium filled in the most upstream area of the divided areas independently of the heat medium filled in other areas.
- Heat exchange reactor, and all of the divided areas It is an object of the present invention to provide the heat exchange reactor including a heater for independently heating the heat medium filled in each of the heat medium and the heat medium filled in another region.
- the present invention also provides a method for reacting the raw material compound (A), wherein the raw material compound (A) is supplied to the reaction tubes of the heat exchange type reactors, and the exothermic reaction is performed while passing the raw material compound (A). And a method for producing chlorine, characterized in that hydrogen chloride and oxygen are supplied to the reaction tubes of these heat exchange reactors and an exothermic reaction is caused while passing them.
- FIG. 1 and FIG. 2 each schematically show an example of the heat exchange reactor of the present invention.
- a heat exchange reactor capable of maintaining the upstream region at a predetermined reaction temperature even if the supply amount of the raw material compound (A) is small.
- a heat exchange type reactor which can be easily maintained at the reaction temperature.
- a method for reacting the starting compound (A) and a method for producing the product (B), which can suppress a decrease in the reaction yield are provided.
- the raw material compound (A) applied to the heat exchange type reactor (1) of the present invention is a compound which becomes a product (B) through an exothermic reaction, and is usually in a gaseous form.
- a product (B) is usually in a gaseous form.
- the hydrogen chloride for obtaining chlorine (C l 2) by vapor phase oxidation method (HC 1) and oxygen ( ⁇ 2) Akurorein as product by vapor phase oxidation method (B), further acrylic because propylene and oxygen to give the acid ( ⁇ 2), methacrolein by gas-phase oxidation method, and more like Isopuchiren and oxygen to obtain a methacrylic acid ( ⁇ 2).
- the starting compound (A) may be used without dilution without dilution, or may be used after being diluted with an inert substance inert to the reaction. It is preferable to use the raw material compound (A) without dilution since it is not necessary to separate the inert gas used for dilution from the product (B).
- the temperature tends to be higher than a predetermined reaction temperature in a region having a large amount of heat generation, and tends to be lower than a predetermined reaction temperature in a region having a small amount of heat generation.
- the type reactor (1) is preferably used because the temperature in each region can be precisely controlled.
- the heat exchange reactor (1) of the present invention includes a reaction tube (2) for obtaining a product (B) by an exothermic reaction while passing the raw material compound (A) in one direction from upstream to downstream.
- the reaction tube (2) may be a single tube type, but usually a multi-tube heat exchange type reaction system using two or more reaction tubes (2) of 2 or more and 100000 or less It is a vessel.
- the reaction tube (2) may be coil-shaped, but usually a straight straight tube is used.
- the heat exchange reactor (1) of the present invention may be a horizontal type in which the reaction tubes (2) are arranged in a horizontal direction. As described above, the reaction tube (2) is vertically arranged so that the raw material compound (A) passes vertically.
- the inside of the reaction tube (2) may be free of a catalyst, but is usually used after being filled with a catalyst.
- a particulate solid catalyst is usually used.
- ruthenium oxide is used as a main component to obtain chlorine from hydrogen chloride and oxygen by a gas phase oxidation method.
- the catalyst may be diluted with an inert filler inert to the reaction.
- an inert layer made of an inert filler may be provided between the catalyst layers.
- the catalyst is usually arranged so that the downstream activity is high.
- a method of using different types of catalysts, a method of changing the amount of supported catalyst components, and a method of diluting one type of catalyst with an inert filler are often used. It is also possible to adjust the activity by changing the particle shape and particle size of the catalyst.
- the reactor shell (3) covers the periphery of the reaction tube (2).
- the reaction tube (2) is fixed to the reactor shell (3) by an upper tube sheet (10) and a lower tube sheet (12), for example, as shown in FIG.
- the reactor shell (3) is divided into a plurality of regions (3) along the passing direction of the raw material compound (A).
- the reactor shell (3) only needs to be divided into two or more stages, usually 10 or less. However, when it is divided into three or more, and even four or more, the heat generated in each region is generated. Since the effect of the heat exchange reactor (1) of the present invention is easily exerted when the amount is relatively small, it is preferably applied.
- a partition plate (11) such as an intermediate tube plate or a block plate is usually used.
- the intermediate tube sheet is in close contact with the reaction tube (2) and in the reactor shell (3) so that the heat medium (C1 and C2 etc.) does not move between adjacent areas (31 and 32 etc.).
- It is a partition plate provided in.
- the shut-off plate is provided in the reactor shell (3) with a gap between it and the reaction tube (2), and there is little heat medium (C1, C2, etc.) between adjacent areas (31, 32, etc.).
- reaction tube (2) When the reaction tube (2) is used after being filled with a catalyst, heat exchange with the heat medium in the reaction tube (2) near the partition plate (1 1) becomes insufficient, and a local hot spot is called a hot spot.
- an inert filler is filled together with the catalyst to dilute the catalyst, and an inert filler is used instead of the catalyst. It is preferable to fill only an inert filler layer.
- the heating medium (C) circulating in each area (31, 32, ⁇ 3n) is appropriately selected depending on the desired reaction temperature, ease of handling of the heating medium, and the like.
- HTS Heat Transfer Salt
- HTS Heat Transfer Salt
- Inorganic heat transfer media composed of inorganic substances such as molten metals such as metallic sodium, alkyl biphenyls, mixtures of biphenyls and diphenyl oxides, mixtures of biphenyls and diphenyl ethers, triphenyls, dibenzyl toluenes , Alkylbenzenes, alkylna
- An organic heat medium composed of an organic substance such as phthalenes and arylalkyls, an ionic liquid, and water.
- Each area (31, 32, ⁇ ⁇ ⁇ 3 ⁇ ) in the reactor shell (3) is provided with a baffle plate (13) to regulate the flow direction of the heating medium (Cl, C2, ⁇ ⁇ ⁇ Cn).
- Examples of the shape of the baffle plate include a disk shape, a hole-shaped disk shape, and a missing circle shape.
- the baffle plate 3) is usually provided so that the flow direction of the heat medium is substantially perpendicular to the reaction tube (2).
- the baffle plate (13) may be provided in all regions (31, 32, ... 3 ⁇ ), or may be provided only in the region (31) where the reaction temperature is particularly well controlled as shown in FIG. Good.
- the number of baffles provided in one area is usually about one to three.
- the heat medium (Cl, C2,... * Cn) in each region (31, 32,... 3 ⁇ ) usually absorbs heat of reaction due to heat exchange with the inside of the reaction tube (2) and rises in temperature. Normally, heat exchange is performed while cooling the heat medium (Cl, C2, ⁇ ⁇ ⁇ Cn) filled in each area.
- a circulating pump (61 to 64) and a cooler (81 to 84) are provided for each region, and the circulating pumps (61 to 64) are used for each region (31 to 64).
- the heat medium (C1 to C4) is cooled by circulating the heat medium (C1 to C4) between the cooler (81) and the cooler (81 to 84), respectively.
- the temperature of the heat medium (C1 to C4) in each area is controlled by circulation flow control valves 0J1 to U4) provided between each cooler (81 to 84) and each area (31 to 34).
- circulation flow control valves 0J1 to U4 provided between each cooler (81 to 84) and each area (31 to 34).
- the heat medium (C1 to C4) in each area is cooled by adding a pre-cooled heat medium (C0) to each area (31 to 34). ing. That is, in this heat exchange reactor (1), a circulation pump (61-64) and a circulation tank (51-54) are provided for each area (31-34), and the circulation pumps (61-64) The heat medium (C1 to C4) is circulated between each area (31 to 34) and the circulation tank (51 to 54). At the same time, a heat medium (CO) pre-cooled from the heat medium tank (7) is distributed and added to each of the circulation tanks (51 to 54). The medium (C1-C4) is cooling.
- the temperature of the heat medium (C1 to C4) in each area is controlled by the supply medium (VI to V4) provided between the heat medium tank (7) and each circulation tank (51 to 54). ) Can be adjusted for each area (31 to 34) by adjusting the supply amount of the area.
- the heat medium tank (7) is provided with a cooler (8), and the heat medium (CO) is cooled by the cooler (8). Is done. From each circulation tank (51 to 54), the surplus heat medium (C1 to C4) overflows and is sent to the heat medium tank (7). Further, it is preferable that the circulation tanks (51 to 54) are provided as close to the respective areas (31 to 34) as possible, because the number of pipes between each area and the circulation tank can be reduced.
- a preheater (9) is provided in the heat medium tank (7). At the start of operation, the heat medium (CO) is heated to a predetermined temperature by the preheater (9) in advance. This can be supplied to each circulation tank (51 to 54).
- the liquid level of the heat medium in each of the circulation tanks (51 to 54) can be measured by a normal liquid level gauge (not shown).
- an axial flow pump, a centrifugal centrifugal centrifugal pump, and the like are used, and among them, a vertical centrifugal centrifugal centrifugal pump is preferably used.
- the heat exchange reactor (1) is characterized in that the heat medium (C 1) filled in the most upstream area (31) of the divided areas is used as a heat medium in another area (32 to 3 ⁇ ).
- a heater (41) for heating independently of (C2 to Cn) is provided. Examples of the heater (41) include an electric heater and a heat exchange type heater, but an electric heater is preferably used.
- the water circulates between the divided regions (31 to 34) and the coolers (81 to 84) in the middle of the piping.
- Heaters (41 to 44) for heating the heat medium (C1 to C4) are provided, respectively.
- the heating mediums (C1 to C4) in all the regions can be heated independently of the heating media in the other regions.
- the heat exchange reactor (1) shown in FIG. 2 is provided in one of the circulation tanks (51 to 54) provided for each area (31 to 34) (51).
- a heater (41) for heating the heat medium (C1) is provided.
- the heating medium (C1) in the area (31) provided with the circulation tank (51) can be heated independently of the heating medium (C2 to C4) in the other areas (32 to 34).
- the heater is preferably provided in all of the divided areas (31 to 34) because the temperature of each area (31 to 34) can be more precisely adjusted.
- a heater (41) may be provided only in a part of the region (31).
- the heating medium (C1) in the uppermost stream area (31) of the divided areas is divided into the other areas (32 to 3n) by the heater (41). ) Can be independently heated from the heat medium (C2 to Cn), so that it is easy to precisely control the temperature of each region over the entire region of the reaction tube (2). Even when the amount of the compound (A) supplied is small and the amount of heat generated by the exothermic reaction is small, the reaction temperature can be easily maintained at a predetermined value over the entire reaction tube (2).
- the heater (41) that heats the heating medium (C1) in the area (31) near the inlet of the reaction tube (2) In the case where the heat medium (C2 to C4) in the other area (32 to 34) is not heated, Since only the medium (CI) can be heated, it is easy to maintain this region (31) at a predetermined reaction temperature while maintaining other regions (32 to 34) at a predetermined reaction temperature.
- the catalyst near the inlet (31) tends to deteriorate relatively quickly, whereas the catalyst near the outlet (34) tends to deteriorate relatively slowly. Therefore, when the catalyst in the region (31) corresponding to the vicinity of the inlet deteriorates and the yield in this region (31) decreases, the heat medium (C4) in the region (34) corresponding to the vicinity of the outlet is heated. Thereby, the reaction temperature can be increased, and the yield in this region (34) can be increased.
- each region (31 to 3n) is set to a different temperature in advance before introducing the reaction gas, use the heaters (41 to 4n) in each region individually as shown in Fig. 1. Temperature can be set.
- a heater similar to the heater (41) installed in the circulation tank (51) in the uppermost stream area in FIG. 2 may be installed in all areas.
- a heat exchange reactor capable of maintaining the upstream region at a predetermined reaction temperature even if the supply amount of the raw material compound (A) is small.
- a heat exchange reactor that is easy to maintain at the reaction temperature of Further, the present invention provides a method for reacting the starting compound (A) and a method for producing the product (B), which can suppress a decrease in the reaction yield. According to the present invention, it is possible to easily cope with a case where each of the regions (31 to 34) needs to be set to a different temperature before introducing the reaction gas.
- FIG. 1 is a schematic view showing one example of a heat exchange reactor of the present invention.
- FIG. 2 is a schematic view showing another example of the heat exchange reactor of the present invention.
- FIG. 3 is a schematic view showing a conventional heat exchange type reactor.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05745965A EP1767266B1 (en) | 2004-05-28 | 2005-05-27 | Heat exchange reactor |
CN2005800252800A CN1988950B (zh) | 2004-05-28 | 2005-05-27 | 热交换型反应器 |
US11/569,561 US7731917B2 (en) | 2004-05-28 | 2005-05-27 | Heat exchange reactor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004158829 | 2004-05-28 | ||
JP2004-158829 | 2004-05-28 |
Publications (1)
Publication Number | Publication Date |
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WO2005115608A1 true WO2005115608A1 (ja) | 2005-12-08 |
Family
ID=35450693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010203 WO2005115608A1 (ja) | 2004-05-28 | 2005-05-27 | 熱交換型反応器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7731917B2 (ja) |
EP (1) | EP1767266B1 (ja) |
JP (1) | JP5149883B2 (ja) |
CN (1) | CN1988950B (ja) |
WO (1) | WO2005115608A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1894885A1 (en) * | 2005-06-22 | 2008-03-05 | Sumitomo Chemical Company, Limited | Reactor for chlorine production and process for producing chlorine |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100296998A1 (en) * | 2005-06-22 | 2010-11-25 | Sumitomo Chemical Company, Limited | Reactor for producing chlorine and process for producing chlorine |
CN102481667A (zh) * | 2009-09-10 | 2012-05-30 | 住友化学株式会社 | 修复凹坑的方法和修复金属构件的方法 |
CN102211002B (zh) * | 2010-04-12 | 2013-03-27 | 中科合成油技术有限公司 | 一种热油循环和冷激式固定床费托合成反应器及其应用 |
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CN102649734B (zh) * | 2011-02-25 | 2014-07-02 | 中国石油化工股份有限公司 | 通过一氧化碳气体催化偶联反应制草酸酯的方法 |
CN102649736B (zh) * | 2011-02-25 | 2015-06-10 | 中国石油化工股份有限公司 | 通过一氧化碳气相偶联催化反应生产草酸酯的方法 |
CN102649554B (zh) * | 2011-02-25 | 2014-05-28 | 中国石油化工股份有限公司 | 一氧化碳气体氧化脱氢的方法 |
CN102649567B (zh) * | 2011-02-25 | 2014-03-05 | 中国石油化工股份有限公司 | Co气体原料通过催化氧化反应脱氢的方法 |
CN102649562B (zh) * | 2011-02-25 | 2014-07-23 | 中国石油化工股份有限公司 | Co气体原料借助催化氧化进行脱氢的方法 |
CN102649737B (zh) * | 2011-02-25 | 2015-01-07 | 中国石油化工股份有限公司 | 通过一氧化碳气体气相偶联制草酸酯的方法 |
CN102649685B (zh) * | 2011-02-25 | 2015-11-25 | 中国石油化工股份有限公司 | 草酸酯高效率生产乙二醇的方法 |
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US20070217991A1 (en) | 2007-09-20 |
CN1988950B (zh) | 2012-09-05 |
US7731917B2 (en) | 2010-06-08 |
CN1988950A (zh) | 2007-06-27 |
EP1767266A4 (en) | 2008-06-25 |
JP2010017715A (ja) | 2010-01-28 |
EP1767266A1 (en) | 2007-03-28 |
JP5149883B2 (ja) | 2013-02-20 |
EP1767266B1 (en) | 2011-08-24 |
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