WO2009153073A1 - Dispositif catalytique - Google Patents

Dispositif catalytique Download PDF

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Publication number
WO2009153073A1
WO2009153073A1 PCT/EP2009/052762 EP2009052762W WO2009153073A1 WO 2009153073 A1 WO2009153073 A1 WO 2009153073A1 EP 2009052762 W EP2009052762 W EP 2009052762W WO 2009153073 A1 WO2009153073 A1 WO 2009153073A1
Authority
WO
WIPO (PCT)
Prior art keywords
device body
reagents
active surface
catalyst material
duct
Prior art date
Application number
PCT/EP2009/052762
Other languages
English (en)
Inventor
Lucio Bendinelli
Antonio Del Zoppo
Gabriele Malaspina
Stefano Petitti
Giovanni Pisani
Original Assignee
I.C.I. Caldaie S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I.C.I. Caldaie S.P.A. filed Critical I.C.I. Caldaie S.P.A.
Publication of WO2009153073A1 publication Critical patent/WO2009153073A1/fr

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Classifications

    • 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
    • B01J19/248—Reactors comprising multiple separated flow channels
    • 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
    • B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • 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
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • 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
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/3221—Corrugated sheets
    • 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
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322—Basic shape of the elements
    • B01J2219/32203—Sheets
    • B01J2219/32237—Sheets comprising apertures or perforations
    • 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
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324—Composition or microstructure of the elements
    • B01J2219/32408—Metal
    • 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
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324—Composition or microstructure of the elements
    • B01J2219/32466—Composition or microstructure of the elements comprising catalytically active material
    • 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
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324—Composition or microstructure of the elements
    • B01J2219/32491—Woven or knitted materials
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • 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
    • 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
    • B01J37/0225—Coating of metal substrates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1005—Arrangement or shape of catalyst
    • C01B2203/1011—Packed bed of catalytic structures, e.g. particles, packing elements
    • C01B2203/1017—Packed bed of catalytic structures, e.g. particles, packing elements characterised by the form of the structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Definitions

  • the present invention relates to a catalytic device.
  • Catalytic devices which are inserted in ducts inside which reagent compounds are made to pass which, in the presence of the catalytic devices and of specific thermodynamic parameters, react so as to provide the desired reaction products.
  • catalytic devices are currently used which are provided by a substrate made of a material that is inert with respect to the reaction and on which the actual reaction catalyst material is applied.
  • the substrate is constituted by an elongated plate-like element, which is folded in a helix along its longitudinal axis.
  • the catalyst material is applied to the mutually opposite faces of the plate-like element.
  • the aim of the present invention is to solve the above-mentioned drawbacks of the background art, by providing a catalytic device that can be inserted easily in ducts of any shape without losses of catalyst material, and at the same time forms a large contact surface between the catalyst material and the reagents that pass through the duct, without causing high load losses in the duct.
  • an object of the invention is to provide a catalytic device that can be manufactured easily with extremely low costs.
  • Figure 1 is a perspective view of a device according to the invention during insertion in a reagent conveyance duct;
  • Figure 2 is a longitudinal sectional view of the reagent conveyance duct in which the device according to the invention is inserted;
  • Figure 3 is a partially sectional front elevation view of the device according to the invention.
  • Figures 4 to 6 are schematic sequential views of a series of possible steps for obtaining the device according to the invention. Ways of carrying out the Invention
  • a catalytic device generally designated by the reference numeral 1 , comprises a device body 2 that can be inserted axially in a duct 3, in which a stream of reagents is made to flow.
  • At least one active surface is formed on the body 2 of the device, is designed to be struck by the stream of reagents and is affected by a catalyst material that is intended to be involved in the chemical reaction among the reagents.
  • the body 2 of the device has at least partially a substantially tubular shape.
  • the active surface of the body 2 has a plurality of corrugations 4.
  • the active surface of the body 2 of the device conveniently comprises both its outer lateral surface 2a, which is intended to be directed toward the internal wall of the duct, and its inner lateral surface 2b, which is directed toward the axis of the body 2 of the device.
  • the corrugations 4 of the active surface are constituted by a plurality of peaks 4a and troughs 4b which run longitudinally with respect to the body 2 of the device and are arranged alternately with respect to each other around the axis of the body 2 of the device.
  • the peaks 4a on the outer lateral surface 2a of the body 2 of the device correspond to troughs 4b on the inner lateral surface 2b and vice versa, so that the body 2 of the device has a substantially star shaped configuration in transverse cross-section.
  • the body 2 of the device allows to provide a large extent of its active surface in contact with the reagents, without causing excessive turbulence in the flow of the reagents, with consequent unwanted load losses along the duct 3.
  • the corrugations 4 may optionally be constituted by peaks and troughs that run circumferentially around the axis of the body 2 of the device and are mutually alternated along the axis of the body 2 of the device.
  • the dimensions of the corrugations 4 can be comprised substantially between 2 mm and 100 mm in length and between 2 mm and 100 mm in width, depending on the dimensions of the duct 3.
  • a circumferential distance D between the tips of the peaks 4a can be comprised substantially between 1 mm and 100 mm, while the radial distance d between the bottom of the troughs 4b and the tips of the peaks 4a, i.e., the height of the peaks 4a with respect to the bottom of the troughs 4b, can be comprised substantially between 0.1 mm and 100 mm, according to requirements and dimensions of the duct 3 and of the body 2 of the device.
  • the body 2 of the device there is a plurality of openings 6 that pass through its side wall and allow the passage of the stream of reagents from one side to the other of the side wall of the body 2 of the device. The openings 6 therefore allow to increase the active surface in contact with the reagents that pass within the duct 3 and to limit the load losses undergone by the stream of the reagents in moving beyond the body 2 of the device in their path within the duct 3.
  • the openings 6 have a dimension substantially comprised between 0.001 mm and 10 mm.
  • the body 2 of the device may be made integrally or only partially of the catalyst material, which can vary according to the type of reaction that it must influence.
  • the device according to the invention is used in a so-called “steam reforming” reaction, it is possible to use as catalyst material precious metals such as platinum, rhodium, nickel. Otherwise, in a so-called “water gas shift” reaction, it is possible to use advantageously catalyst materials constituted by metal oxides, such as for example iron oxide, chromium oxide, copper oxide and/or zinc oxide and combinations thereof.
  • the body 2 of the device has an internal core 7, which acts as a mechanical substrate for the catalyst material.
  • the internal core 7 is conveniently made of an inert material, in relation to the reaction among the reagents, and is at least partially coated by a layer 8 constituted by the catalyst material. In this manner, a considerable saving in the quantity of catalyst material needed to provide the body 2 of the device is achieved.
  • the internal core 7 can be made of a metallic material, such as steel with high mechanical strength at reaction temperatures, and the catalyst material applied thereon can be constituted by any material adapted to facilitate the desired chemical reaction among the reagents, and more particularly can be selected for example from the group that comprises silver, platinum, rhodium, nickel, ferrous molybdates, metallic oxides, such as oxides of iron, chromium, copper and zinc, and mixtures and/or combinations thereof.
  • the body 2 of the device is provided starting from a plate-like element 10, which is shaped in a concertina fashion and is folded to form a cylinder by joining two of its opposite edges, which can then be conveniently joined stably by spot welding, crimping or other methods.
  • the plate-like element 10 advantageously has a lattice-like structure and can be constituted by a net, the mesh of which defines the openings 6.
  • such net in accordance with what was explained earlier, can have an internal core 7 that is constituted by a metal net that is coated with catalyst material, for example by methods known as coating, wash-coating, screen printing or other suitable coating or deposition methods.
  • the plate-like element 10 can also be constituted by a metal sheet preferably provided by means of an internal layer of metallic material, which constitutes the internal core 7, and by external coating layers made of catalyst material, which are applied to the internal layer by means of any one of the coating or deposition methods cited above.
  • the body 2 of the device can also be constituted by a tubular extruded element that is coated or entirely made of catalyst material.
  • the catalytic device according to the invention by way of its substantially tubular shape and of the presence of corrugations on its active surface, offers a broad contact surface between the reagents and the catalyst material even with a reduced length, being easily insertable in reagent conveyance ducts without undergoing deformations and therefore losses of catalyst material and without causing excessive losses of pressure in the duct.
  • the materials used, as well as the contingent shapes and dimensions may be any according to requirements.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Cereal-Derived Products (AREA)

Abstract

L'invention porte sur un dispositif catalytique (1) comportant un corps de dispositif (2), qui peut être introduit axialement dans un conduit (3) qui est conçu pour être traversé par un courant de réactifs. Le corps de dispositif forme au moins une surface active, qui peut être heurtée par l'écoulement de réactifs et qui est affectée par une matière qui est un catalyseur pour la réaction entre les réactifs. Le corps de dispositif (2) présente, au moins partiellement, une forme sensiblement tubulaire. La surface active présente en outre une pluralité de cannelures (4).
PCT/EP2009/052762 2008-06-18 2009-03-10 Dispositif catalytique WO2009153073A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000069A ITVR20080069A1 (it) 2008-06-18 2008-06-18 Dispositivo catalizzatore
ITVR2008A000069 2008-06-18

Publications (1)

Publication Number Publication Date
WO2009153073A1 true WO2009153073A1 (fr) 2009-12-23

Family

ID=40302285

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/052762 WO2009153073A1 (fr) 2008-06-18 2009-03-10 Dispositif catalytique

Country Status (2)

Country Link
IT (1) ITVR20080069A1 (fr)
WO (1) WO2009153073A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016010501A1 (de) 2016-08-30 2018-03-01 Jerzy Maćkowiak Füllkörper
WO2021133040A1 (fr) * 2019-12-27 2021-07-01 한국기계연구원 Réacteur à microcanaux et son procédé de fabrication

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408164A (en) * 1942-04-25 1946-09-24 Phillips Petroleum Co Catalyst preparation
EP0073150A2 (fr) * 1981-08-20 1983-03-02 United Kingdom Atomic Energy Authority Dispositif catalytique
EP0441062A1 (fr) * 1989-12-27 1991-08-14 Nippon Shokubai Co., Ltd. Procédé et dispositif pour la purification de gaz d'échappements
US6117812A (en) * 1998-10-06 2000-09-12 China Petro-Chemical Corporation Dual functional catalyst of packing type and the catalytic distillation equipment
EP1099833A2 (fr) * 1999-11-09 2001-05-16 Cataler Corporation Construction de catalyseur en forme de tuyau pour la purification de gaz d'échappement
WO2001051194A1 (fr) * 2000-01-11 2001-07-19 Accentus Plc Reacteur catalytique
US20060144900A1 (en) * 2003-08-13 2006-07-06 Emitec Gesellschaft Fur Emissionstechnologie Mbh Roller seam welded body for exhaust gas treatment and process for producing the body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408164A (en) * 1942-04-25 1946-09-24 Phillips Petroleum Co Catalyst preparation
EP0073150A2 (fr) * 1981-08-20 1983-03-02 United Kingdom Atomic Energy Authority Dispositif catalytique
EP0441062A1 (fr) * 1989-12-27 1991-08-14 Nippon Shokubai Co., Ltd. Procédé et dispositif pour la purification de gaz d'échappements
US6117812A (en) * 1998-10-06 2000-09-12 China Petro-Chemical Corporation Dual functional catalyst of packing type and the catalytic distillation equipment
EP1099833A2 (fr) * 1999-11-09 2001-05-16 Cataler Corporation Construction de catalyseur en forme de tuyau pour la purification de gaz d'échappement
WO2001051194A1 (fr) * 2000-01-11 2001-07-19 Accentus Plc Reacteur catalytique
US20060144900A1 (en) * 2003-08-13 2006-07-06 Emitec Gesellschaft Fur Emissionstechnologie Mbh Roller seam welded body for exhaust gas treatment and process for producing the body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016010501A1 (de) 2016-08-30 2018-03-01 Jerzy Maćkowiak Füllkörper
WO2021133040A1 (fr) * 2019-12-27 2021-07-01 한국기계연구원 Réacteur à microcanaux et son procédé de fabrication
KR20210083996A (ko) * 2019-12-27 2021-07-07 한국기계연구원 마이크로 채널 반응기 및 이의 제조방법
KR102334579B1 (ko) 2019-12-27 2021-12-03 한국기계연구원 마이크로 채널 반응기

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