WO2014097700A1 - 触媒担持ハニカム構造体を具備する処理装置、およびその製造方法 - Google Patents
触媒担持ハニカム構造体を具備する処理装置、およびその製造方法 Download PDFInfo
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- WO2014097700A1 WO2014097700A1 PCT/JP2013/075661 JP2013075661W WO2014097700A1 WO 2014097700 A1 WO2014097700 A1 WO 2014097700A1 JP 2013075661 W JP2013075661 W JP 2013075661W WO 2014097700 A1 WO2014097700 A1 WO 2014097700A1
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- WIPO (PCT)
- Prior art keywords
- catalyst
- glass paper
- honeycomb structure
- inorganic binder
- supporting honeycomb
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000011230 binding agent Substances 0.000 claims abstract description 182
- 239000011521 glass Substances 0.000 claims abstract description 167
- 239000003054 catalyst Substances 0.000 claims abstract description 119
- 239000005357 flat glass Substances 0.000 claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 claims abstract description 62
- 239000007789 gas Substances 0.000 claims abstract description 37
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 20
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 57
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 17
- 239000012784 inorganic fiber Substances 0.000 claims description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 11
- 238000011049 filling Methods 0.000 claims description 10
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 6
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 17
- 238000010304 firing Methods 0.000 description 13
- 239000007787 solid Substances 0.000 description 12
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- 239000010935 stainless steel Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- B01J35/56—
-
- 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
- B01J37/0234—Impregnation and coating simultaneously
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0006—Honeycomb structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/10—Fibrous material, e.g. mineral or metallic wool
- F01N2330/101—Fibrous material, e.g. mineral or metallic wool using binders, e.g. to form a permeable mat, paper or the like
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49346—Rocket or jet device making
Definitions
- the present invention relates to a treatment apparatus including a catalyst-supporting honeycomb structure used for, for example, exhaust gas purification treatment or hydrogen production by ammonia decomposition, and a production method thereof.
- the gas to be treated contains a solid content in the exhaust gas purification process
- the solid content is increased as the usage time elapses.
- the honeycomb structure having poor mechanical strength has a problem that the cell portion is damaged by such a regeneration process.
- the present applicant firstly used a commercially available inexpensive glass paper as a base material, and further provided a processing apparatus including a catalyst-supporting honeycomb structure that can solve the above-described problems of the prior art, and a method for manufacturing the same.
- the invention was proposed.
- the manufacturing method of the processing apparatus having the previously proposed catalyst-supporting honeycomb structure is such that after firing the glass paper and removing the organic binder component contained in the glass paper by combustion, the functional catalyst-containing slurry is applied to the glass paper.
- the functional catalyst-containing slurry-coated glass paper is shaped with a corrugating mold and a holding jig, further dried and fired to form a functional catalyst-supported corrugated glass paper, while the organic binder is fired.
- the flat functional catalyst slurry-coated glass paper with the components removed by combustion is dried and fired to form functional catalyst-supported flat glass paper, and these functional catalyst-supported corrugated glass paper and functional catalyst support A flat glass paper was alternately laminated to produce a catalyst-supporting honeycomb structure.
- the organic binder is removed by firing the glass paper, so the firing temperature is excessively increased or the firing time is lengthened. If it is too much, the organic binder will be removed too much and the corrugated shape of the glass paper will not be maintained, making it difficult to handle in the subsequent process, and conversely, the firing temperature of the glass paper will be too low or firing. If the time is shortened too much, the organic binder is not removed, and the repulsive force of the glass paper increases, so that a new problem arises that the corrugation becomes difficult.
- An object of the present invention is to provide a processing apparatus including a catalyst-supporting honeycomb structure that solves the above-described problems of the prior art and the problems of the previously proposed invention, and a manufacturing method thereof.
- the present inventors have used an inorganic binder to maintain the shape of the glass paper without removing the organic binder originally contained in the glass paper.
- Apply functional catalyst-containing slurry mixed with inorganic binder to flat glass paper, then place inorganic binder mixed functional catalyst-containing slurry-coated glass paper on corrugated mold preheated to a high temperature, and press jig
- the moisture in the functional catalyst-containing slurry can be instantly removed and the corrugated glass paper with the inorganic binder can be formed by maintaining the corrugated shape by the action of the inorganic binder.
- the invention according to claim 1 is characterized in that corrugated glass paper carrying an inorganic binder-containing functional catalyst and flat glass paper carrying the inorganic binder-containing functional catalyst alternately.
- the catalyst-supporting honeycomb structure is formed by stacking, and the catalyst-supporting honeycomb structure is filled in the casing.
- the invention according to claim 2 is a processing apparatus comprising the catalyst-supporting honeycomb structure according to claim 1, wherein the corrugated glass paper supporting the inorganic binder-containing functional catalyst, and the inorganic binder-containing functional catalyst. It is characterized by being laminated
- the invention of claim 3 is a processing apparatus comprising the catalyst-supporting honeycomb structure according to claim 1 or 2, wherein the functional catalyst is a denitration catalyst, a desulfurization catalyst, a dioxin decomposition catalyst, and an ammonia decomposition catalyst. It is a catalyst selected from the group consisting of the following, and is characterized in that it is used for the purification of exhaust gas or the production of hydrogen by ammonia decomposition.
- the invention of claim 4 is a processing apparatus comprising the catalyst-supporting honeycomb structure according to any one of claims 1 to 3, wherein the inorganic binder is silica sol, alumina sol, ⁇ -alumina, titanium oxide sol. And at least one inorganic oxide selected from the group consisting of zirconia sols.
- the invention of claim 5 is a processing apparatus comprising the catalyst-supporting honeycomb structure according to any one of claims 1 to 4, wherein the casing has a rectangular tube shape, and the casing is , A casing having a substantially B-shaped cross section, a casing body having a substantially U-shaped cross section and a flat lid covering the opening thereof, or a substantially L-shaped cross section. It is characterized by comprising a casing main body and a lid having a substantially inverted L-shaped cross section fitted to the casing main body.
- the invention of claim 6 is a processing apparatus comprising the catalyst-supporting honeycomb structure according to any one of claims 1 to 5, wherein an inorganic fiber blanket is laid on the inner surface of the casing. It is characterized by.
- the invention of claim 7 is a method of manufacturing a processing apparatus comprising a catalyst-supporting honeycomb structure, the step of applying a functional catalyst-containing slurry mixed with an inorganic binder to flat glass paper, and a slurry-coated flat plate A glass paper is placed on a high temperature corrugating mold and heated, shaped by a pressing jig, and moisture in the slurry on the glass paper surface is removed and dried to carry a functional catalyst supporting corrugated sheet containing an inorganic binder.
- the invention of claim 8 is a method of manufacturing a processing apparatus comprising the catalyst-supporting honeycomb structure according to claim 7, wherein the surface temperature of the corrugating mold and the flat plate mold is in the range of 200 to 500 ° C. It is characterized by being.
- the invention of claim 9 is a method of manufacturing a processing apparatus comprising the catalyst-supporting honeycomb structure according to claim 7 or 8, wherein the inorganic binder is silica sol, alumina sol, ⁇ -alumina, titanium oxide sol, and zirconia sol. It contains at least one inorganic oxide selected from the group consisting of:
- the invention of claim 10 is a method of manufacturing a processing apparatus comprising the catalyst-supporting honeycomb structure according to any one of claims 7 to 9, wherein the inorganic binder-containing function is peeled from the mold.
- the functional catalyst-supported corrugated glass paper and the inorganic binder-containing functional catalyst-supported flat glass paper are further baked to thermally decompose and remove the organic binder originally contained in the glass paper, and the shape of the glass paper by the inorganic binder And a step of forming an inorganic binder-containing functional catalyst-supported corrugated glass paper and an inorganic binder-containing functional catalyst-supported flat glass paper.
- the invention of claim 11 is a method of manufacturing a processing apparatus comprising the catalyst-supporting honeycomb structure according to any one of claims 7 to 10, wherein an inorganic binder is contained in the filling step into the casing. It is characterized in that the functional catalyst-supported corrugated glass paper and the inorganic binder-containing functional catalyst-supported flat glass paper are alternately laminated without being bonded to each other.
- an inorganic binder is used in order to maintain the shape of the glass paper without removing the organic binder inherently contained in the glass paper.
- an inorganic binder-containing functional catalyst-supported corrugated glass paper can be formed, and this is combined with an inorganic binder-containing functional catalyst-supported flat glass paper.
- an inexpensive catalyst-supporting honeycomb structure using glass paper as a base material can be stably held, and solids in a gas to be treated in exhaust gas purification treatment or the like can be obtained.
- the casing can be released.
- an inorganic binder containing at least one inorganic oxide selected from the group consisting of silica sol, alumina sol, ⁇ -alumina, titanium oxide sol, and zirconia sol there exists an effect that the shape of glass paper can be hold
- the functional catalyst-containing slurry containing the inorganic binder is applied to glass paper, and then the inorganic binder-containing slurry-coated glass paper is placed on a pre-heated corrugating mold and shaped by a pressing jig.
- the moisture in the functional catalyst-containing slurry can be instantly removed, and the corrugated glass paper containing the inorganic binder can be formed by maintaining the corrugated shape by the action of the inorganic binder.
- the manufacturing cost is low without the need for large equipment such as a conventional immersion tank or drying device for the honeycomb structure, and in the gas to be treated as the usage time elapses in, for example, exhaust gas purification treatment. Even if the solids are clogged in the cells of the catalyst-supporting honeycomb structure, this can be easily regenerated and the effect of preventing a reduction in the contact area of the gas to be processed and an increase in pressure loss can be prevented. Play.
- the glass paper can be shaped on the mold, the water in the slurry on the glass paper surface can be removed and dried, and the functional catalyst-carrying corrugated sheet containing an inorganic binder can be obtained.
- the glass-like glass paper and the inorganic binder-containing functional catalyst-carrying flat glass paper can be formed. If the surface temperature of the mold exceeds 500 ° C., the activity of a functional catalyst such as a denitration catalyst falls, which is not preferable.
- an inorganic binder containing at least one inorganic oxide selected from the group consisting of silica sol, alumina sol, ⁇ -alumina, titanium oxide sol, and zirconia sol there exists an effect that the shape of glass paper can be hold
- the organic binder inherently contained in the glass paper is previously thermally decomposed and removed by firing, whereby the shape of the glass paper is firmly held by the inorganic binder, and the inorganic binder-containing function
- the effect is that the functional catalyst-carrying corrugated glass paper and the inorganic binder-containing functional catalyst-carrying flat glass paper can be reliably formed.
- the functional catalyst-containing slurry mixed with the inorganic binder is applied to the flat glass paper in a state where the organic binder inherently contained in the glass paper is present.
- an inorganic binder-containing functional catalyst-supported corrugated glass paper and an inorganic binder-containing functional catalyst-supported flat glass paper are formed and laminated alternately.
- the inorganic catalyst-containing functional catalyst support is supported.
- Corrugated glass paper and inorganic binder-containing functional catalyst-supported flat glass paper are laminated without being alternately bonded to form a catalyst-supported honeycomb structure, and this catalyst-supported honeycomb structure is filled in the casing. Therefore, these can be disassembled and taken out from the casing, and these can be easily regenerated by washing the catalyst-carrying corrugated glass paper and the catalyst-carrying flat glass paper. It is possible to reliably prevent a decrease in the contact area of the gas to be processed and an increase in pressure loss. That.
- FIG. 1 is a perspective view showing an embodiment of a processing apparatus including a catalyst-supporting honeycomb structure of the present invention.
- FIG. 2 is an enlarged front view of a main part of a catalyst supporting honeycomb structure part of the processing apparatus of FIG. 1. It is a block diagram which shows the manufacturing method of the processing apparatus which comprises the catalyst carrying
- FIG. 1 is a perspective view showing an embodiment of a processing apparatus including the catalyst-supporting honeycomb structure of the present invention.
- FIG. 2 is an enlarged front view of the main part of the catalyst supporting honeycomb structure portion of the processing apparatus of FIG.
- a processing apparatus (10) having a catalyst-supporting honeycomb structure according to the present invention includes corrugated glass paper (2) supporting an inorganic binder-containing functional catalyst, and the inorganic binder-containing structure.
- the flat glass paper (3) supporting the functional catalyst is alternately laminated to form the catalyst supporting honeycomb structure (1), and the catalyst supporting honeycomb structure (1) is filled in the casing (4). It is characterized by being.
- the present inventors use an inorganic binder to maintain the shape of the glass paper without removing the organic binder inherently contained in the glass paper, and plate the functional catalyst-containing slurry mixed with the inorganic binder into a flat plate. It is applied to the glass paper, and then the inorganic binder-mixed functional catalyst-containing slurry-coated glass paper is placed on a pre-heated corrugated mold and shaped by a pressing jig, so that the functional catalyst-containing slurry is instantaneously By removing the moisture and maintaining the corrugated shape by the action of the inorganic binder, an inorganic binder-containing functional catalyst-supported corrugated glass paper (2) can be formed, and this is supported by the inorganic binder-containing functional catalyst. Manufacturing catalyst-supporting honeycomb structure (1) by combining with flat glass paper (3) Can, which together with the catalyst supporting honeycomb structure manufacturing process of the processing apparatus comprising (1) can be greatly reduced by the production cost has been found that to get very cheap.
- the functional catalyst is preferably selected from the group consisting of a denitration catalyst, a desulfurization catalyst, a dioxin decomposition catalyst, and an ammonia decomposition catalyst. It is a catalyst and can be used for purification of exhaust gas or production of hydrogen by ammonia decomposition. Note that a catalyst containing vanadium is preferably used as the denitration catalyst, and a catalyst containing ruthenium is preferably used as the ammonia decomposition catalyst.
- the inorganic binder is at least one inorganic oxide selected from the group consisting of silica sol, alumina sol, ⁇ -alumina, titanium oxide sol, and zirconia sol. It is preferable that a thing is included.
- the shape of the glass paper can be reliably maintained.
- an inorganic binder to maintain the shape of the glass paper, by maintaining the corrugated shape by the action of the inorganic binder,
- An inorganic binder-containing functional catalyst-carrying corrugated glass paper (2) can be formed, and by combining this with the inorganic binder-containing functional catalyst-carrying flat glass paper (3), a catalyst-supporting honeycomb structure (1
- This can greatly reduce the manufacturing process of the processing apparatus (10) including the catalyst-supporting honeycomb structure (1), and the manufacturing cost is very low.
- the manufacturing cost is further reduced without the need for large equipment such as a conventional honeycomb structure immersion tank or drying device.
- corrugated glass paper (2) supporting an inorganic binder-containing functional catalyst and flat glass paper (3) supporting the inorganic binder-containing functional catalyst are preferably laminated without being alternately adhered.
- the catalyst-supporting honeycomb structure (1) can be manufactured by laminating without bonding, and the treatment apparatus (10) of the present invention in which the catalyst-supporting honeycomb structure (1) is filled in a casing. According to this, large-sized equipment such as a so-called immersion tank or drying device for a so-called bonded type honeycomb structure is not required, and the manufacturing cost is low.
- the inorganic binder-containing functional catalyst-supported corrugated glass paper ( 2) and inorganic binder-containing functional catalyst-carrying flat glass paper (3) are laminated without being alternately adhered to form a catalyst-carrying honeycomb structure (1).
- This catalyst-carrying honeycomb structure (1) Are filled in the casing (4), so that they can be disassembled and taken out from the casing (4), and the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and the inorganic binder are taken out. These can be easily regenerated by washing the functional functional catalyst-supported flat glass paper (3), etc. Decrease in the contact area of the scan, it is possible to reliably prevent an increase in pressure loss.
- the casing (4) preferably has a rectangular tube shape.
- the casing (4) is preferably composed of a casing body (4a) having a substantially U-shaped cross section and a flat lid (4b) covering the opening of the casing body (4a).
- the casing (4) is made of a casing having a substantially rectangular cross section, or a casing body having a substantially L-shaped cross section and a substantially inverted L-shaped lid that is fitted to the casing body. It is preferable that it consists of a body.
- the casing (4) is not limited to a rectangular tube shape, but may be a cylindrical shape.
- the rectangular tube shape is in the casing (4) and has a functional catalyst-carrying flat plate shape containing an inorganic binder. It is preferable when filling the catalyst-supporting honeycomb structure (1) in which the glass paper (3) and the inorganic binder-containing functional catalyst-supporting corrugated glass paper (2) are alternately laminated.
- an inorganic fiber blanket (5) is laid on the inner surface of the casing (4). Vibration countermeasures can be taken by the frictional force of the catalyst-supporting honeycomb structure (1) and the inorganic fiber blanket (5) on the inner surface of the casing (4).
- Examples of the inorganic fiber that is the material of the blanket (5) include ceramic fiber, glass fiber, silica sol fiber, alumina fiber, and rock wool.
- an inorganic fiber blanket (5) is laid on the inner surface of the casing (4), and vibration measures are particularly taken. If it is not necessary to do so, the inorganic fiber blanket (5) may not be laid.
- a functional catalyst-containing slurry in which an inorganic binder is mixed is applied to a commercially available glass paper containing an organic binder, and the mold is preheated using an electric heater.
- the corrugated shape can be maintained by the binder effect of the inorganic binder in the slurry by placing and corrugating and instantaneously evaporating the water in the slurry. Then, as a result of examining the catalyst manufacturing method using the organic binder non-removed commercial glass paper, it was found that the manufacturing was possible by the following method.
- FIG. 3 is a flow sheet showing a method of manufacturing a processing apparatus including the catalyst-supporting honeycomb structure of the present invention in the order of steps.
- a functional catalyst-containing slurry in which an inorganic binder is mixed is applied to flat glass paper.
- the slurry-coated flat glass paper put the slurry-coated flat glass paper on a high-temperature corrugated mold, heat it, shape it with a holding jig, remove the moisture in the slurry on the glass paper surface and dry it to contain an inorganic binder
- the slurry-coated flat glass paper is placed on a high-temperature flat metal mold and heated to remove moisture in the slurry on the glass paper surface and dry.
- the glass paper used in the present invention is a commercially available glass paper containing an organic binder.
- organic binders used in commercially available glass paper include acrylic resins, polyvinyl alcohol (PVA) / polyvinyl acetate copolymers, unsaturated polyester resins, and epoxy resins.
- the flat glass paper in the state where the organic binder originally contained in the glass paper is present, the flat glass paper is inorganic.
- a functional catalyst-containing slurry mixed with a binder is applied and shaped to form an inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and an inorganic binder-containing functional catalyst-supported flat glass paper (3). These are alternately laminated to produce the catalyst-supporting honeycomb structure (1).
- the processing apparatus including the produced catalyst-supporting honeycomb structure (1) is used as the denitration apparatus.
- the organic binder originally contained in the glass paper is gradually pyrolyzed. Is to be removed, of course, the shape of the glass paper is held by an inorganic binder in this case, there is no problem.
- the width is 5 to 15 mm
- the height is 2 to 10 mm
- the groove Using a mold made of a metal panel having parallel concave grooves with a curvature radius of 0.5 to 2 mm at the bottom, the functional catalyst slurry-coated glass paper placed on the mold is placed on the mold using a holding jig. It is preferable to shape by pressing along the concave groove.
- the holding jig has a water repellent process, that is, a Teflon (registered trademark) process, at the part that contacts the glass paper.
- a Teflon (registered trademark) process at the part that contacts the glass paper.
- the concave groove of the lower corrugated metal mold to be pressed is not preferable unless it has a shape with a radius of curvature of about 0.5 to 2 mm, and if it has a smaller radius of curvature, the glass paper is broken, which is not preferable.
- the corrugated inorganic binder-containing functional catalyst-supporting glass paper (2) peeled from the corrugation-imparting mold, and the flat-plate mold The plate-like inorganic binder-containing functional catalyst-carrying glass paper (3) peeled from is made substantially the same size as viewed from the plane.
- the surface temperature of the corrugated mold and the flat mold is preferably in the range of 200 to 500 ° C.
- the surface temperature of the mold when the surface temperature of the mold is less than 200 ° C., it takes a long time to dry and peel the inorganic binder-mixed functional catalyst-containing slurry-coated glass paper, which is not practical. Further, when the mold surface temperature is higher than 500 ° C., the mold may be distorted and the activity of a functional catalyst such as a denitration catalyst is reduced, which is not preferable.
- a mold surface temperature desirable as a condition for peeling the inorganic binder mixed functional catalyst-containing slurry-coated glass paper from the mold immediately after corrugation is 300 ° C. or more. The mold surface temperature was measured using a non-contact radiation thermometer.
- the glass paper can be shaped on the mold, and the moisture in the slurry on the glass paper surface can be removed and dried.
- the functional catalyst-supported corrugated glass paper (2) and the inorganic binder-containing functional catalyst-supported flat glass paper (3) can be formed.
- the inorganic binder-containing functional catalyst-carrying corrugated glass paper (2) and the inorganic binder-containing functional catalyst-carrying flat glass paper (3) thus shaped and dried on the mold are Can be easily peeled off.
- the inorganic binder is at least selected from the group consisting of silica sol, alumina sol, ⁇ -alumina, titanium oxide sol, and zirconia sol. Those containing one inorganic oxide are used. By using such an inorganic binder, the shape of the glass paper can be reliably maintained.
- the processing apparatus (10) provided with the catalyst-supporting honeycomb structure of the present invention, it is applied to the flat glass paper in the step of applying the functional catalyst-containing slurry mixed with the inorganic binder to the flat glass paper.
- the content of the inorganic binder in the inorganic binder mixed functional catalyst-containing slurry is preferably 10 to 30% by weight. 5 to 25% by weight.
- the present invention is not limited to this.
- the functional catalyst includes a functional catalyst selected from the group consisting of a denitration catalyst, a desulfurization catalyst, a dioxin decomposition catalyst, and an ammonia decomposition catalyst.
- a denitration catalyst described in JP 2008-155133 A by the present applicant can be used as a denitration catalyst.
- This denitration catalyst-containing slurry contains silica sol (Si) as a binder component and titanium (Ti), vanadium (V), and tungsten (W) as denitration catalyst metals.
- ammonia decomposition catalyst an ammonia decomposition catalyst described in JP 2011-78888 A by the present applicant can be used.
- the ammonia decomposition catalyst contains ruthenium (Ru), which is an ammonia decomposition catalyst metal, and an accelerator.
- This ammonia decomposition catalyst contains silica sol (Si) and can be used as a functional catalyst in the present invention. It is something that can be done.
- a denitration catalyst-containing slurry ammonium metavanadate is added to a slurry in which titania fine particles are suspended in silica sol and adsorbed to titania, and ammonium metatungstate or an aqueous solution thereof is further added.
- this denitration catalyst containing slurry is apply
- titania loading, vanadium loading, and tungsten loading can be carried out simultaneously in a single process, so that the operations of coating, drying, and baking may be performed once, the number of processes is small, and production is performed. Improvement in cost and reduction in cost can be achieved.
- a functional catalyst-containing slurry such as denitration to flat glass paper, drying, and supporting the functional catalyst on the glass paper
- a coating method for example, so-called soaking method, brush coating method, spraying Any coating method such as a coating method and a dropping coating method can be applied.
- the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and the inorganic binder-containing each peeled from the mold are further baked to thermally decompose and remove the organic binder inherently contained in the glass paper, while maintaining the shape of the glass paper with the inorganic binder. It is preferable to include a step of forming the catalyst-carrying corrugated glass paper (2) and the inorganic binder-containing functional catalyst-carrying flat glass paper (3).
- the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and the inorganic binder-containing functional catalyst-supported flat glass paper (3) are fired in an alternating and laminated state. If it is loaded with only the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) or only the inorganic binder-containing functional catalyst-supported flat glass paper (3) and fired, However, there is a problem that uniform firing is not possible.
- the space between the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and the inorganic binder-containing functional catalyst-supported flat glass paper (3) is important for the firing atmosphere, and is thereby uniform. Firing can be performed.
- the organic binder inherently contained in the glass paper is thermally decomposed and removed in advance, so that the shape of the glass paper is firmly held by the inorganic binder, and the inorganic binder-containing functional catalyst-supported corrugated glass paper Since (2) and an inorganic binder containing functional catalyst carrying
- the inorganic binder-containing functional catalyst-supported corrugated glass paper (2) and inorganic in the filling step into the casing (4) are preferably laminated alternately without adhering to each other.
- the inorganic catalyst-containing functional catalyst-supported corrugated glass paper (2) And the inorganic binder-containing functional catalyst-carrying flat glass paper (3) are laminated without being alternately bonded to form a catalyst-carrying honeycomb structure (1).
- the catalyst-carrying honeycomb structure (1) Since it is filled in the casing (4), these can be disassembled and taken out from the casing (4), and the catalyst-carrying corrugated glass paper (2) and the catalyst-carrying flat glass paper (3) taken out. These can be easily reclaimed by washing, etc., and it is possible to reliably prevent a decrease in the contact area of the gas to be processed and an increase in pressure loss. It is possible.
- the casing (4) is a flat plate covering the casing body (4a) having a substantially U-shaped cross section and the opening thereof. Or a casing body having a substantially L-shaped cross section, or a casing body having a substantially L-shaped cross section, and is fitted opposite to the casing body. It is preferable that it is made of a lid having a substantially inverted L-shaped cross section.
- the inorganic binder-containing functional catalyst-carrying flat glass paper (3) and the inorganic binder-containing functional catalyst-carrying corrugated glass paper (2) are laminated without alternately adhering, and the catalyst-carrying honeycomb structure (1 And the catalyst-supporting honeycomb structure (1) is filled into a casing body (4a) made of, for example, stainless steel and having a substantially U-shaped cross section. Then, a stainless steel flat lid (4b) is fitted over the opening of the casing body (4a) to perform welding.
- one end portions of the casing body (4a) and the lid (4b) are connected to each other with, for example, a hinge structure, and a pin located in the middle of the hinge structure is inserted and removed. It is also possible to fit the casing body (4a) and the lid (4b). Even if the solid content in the gas to be treated is clogged in the cells of the catalyst-supporting honeycomb structure (1), the casing main body (4a) and the lid body (4b) are fastened using the extraction hinge. This is preferable because it can be quickly reproduced.
- the inorganic binder-containing functional catalyst-carrying flat glass paper (3) and the inorganic binder-containing functional catalyst-carrying corrugated glass paper (2) are laminated without being alternately bonded to form a catalyst-supporting honeycomb structure (1
- the catalyst-supporting honeycomb structure (1) is filled into a casing having a substantially rectangular cross section made of, for example, stainless steel.
- the catalyst-supporting honeycomb structure (1) is filled into a casing body having a substantially L-shaped cross section made of, for example, stainless steel. Then, facing the casing body, a stainless steel cross section substantially L-shaped lid is fitted and welding is performed.
- the catalyst-supporting honeycomb structure (1) is formed on the inner surface of the casing (4). It is preferable to lay an inorganic fiber blanket (5) before the filling.
- an inorganic fiber blanket (5) is laid on the inner surface of the casing (4), and the functional catalyst-carrying flat glass paper (3) and the functional catalyst-carrying corrugated glass paper (2) are not adhered alternately.
- the step of laminating it is preferable to fill the functional fiber-supported flat glass paper (3) on the inorganic fiber blanket (5) at the bottom of the casing (4), that is, the lowermost stage.
- the functional catalyst-supported corrugated glass paper (2) and the functional catalyst-supported flat glass paper (3) are alternately laminated.
- the functional catalyst-carrying flat glass paper (3) In the uppermost stage, it is preferable to fill the functional catalyst-carrying flat glass paper (3). That is, the flat glass paper (3) is filled in the casing (4) more than the corrugated glass paper (2).
- the inorganic fiber blanket (5) is interposed between the inner surface of the casing (4) and the catalyst-supporting honeycomb structure (1) also on the left and right inner surfaces of the casing (4).
- vibration countermeasures can be taken by the frictional force generated by the catalyst-supporting honeycomb structure (1) and the inorganic fiber blanket (5) on the inner surface of the casing (4).
- an inorganic fiber blanket (5) is laid on the inner surface of the casing (4), and vibration measures are taken in particular. If not required, the inorganic fiber blanket (5) may not be laid.
- Example 1 A denitration catalyst-supporting honeycomb type processing apparatus was manufactured by the method of the present invention as follows.
- the flat glass paper is content 10% by weight consisting of acrylic resin organic binder (20 ⁇ 30 cm), an inorganic binder in a coating amount of 1333 g / m 2
- the mixed functional catalyst-containing slurry was applied.
- Denitration catalyst was used as the functional catalyst. That is, ammonium metavanadate powder was added to a slurry in which titania fine particles were suspended in silica sol, and the whole was stirred to adsorb ammonium metavanadate to titania. Silica sol was used as the inorganic binder, and the content of silica sol in the silica sol mixed denitration catalyst-containing slurry was 15% by weight.
- a corrugated die comprising a corrugated panel made of stainless steel having parallel concave grooves having a width of 10.4 mm, a height of 7.4 mm, and a groove radius of curvature of 1.6 mm on a hot plate. (20 ⁇ 20 cm) was installed and heated to a surface temperature of 300 ° C. Place the flat glass paper coated with the silica sol mixed denitration catalyst-containing slurry on this mold, press and shape along the concave groove of the mold with a pressing jig, and remove the moisture in the slurry on the glass paper surface. Then, it was dried to form a silica sol-containing denitration catalyst-supported corrugated glass paper (2), and the silica sol-containing denitration catalyst-supported corrugated glass paper (2) was peeled off while maintaining its shape.
- a mold (20 ⁇ 20 cm) made of a flat plate made of stainless steel was placed on a hot plate and heated to a surface temperature of 300 ° C.
- the flat glass paper coated with the silica sol mixed denitration catalyst-containing slurry is placed on the mold and heated to remove moisture in the slurry on the surface of the glass paper and then dried to dry the silica sol-containing denitration catalyst-carrying flat glass paper (3 And the silica glass-containing denitration catalyst-carrying flat glass paper (3) was peeled from the flat metal mold while maintaining its shape.
- 26 sheets of silica sol-containing denitration catalyst-supported corrugated glass paper (2) peeled from the mold and 27 sheets of silica sol-containing denitration catalyst-supported flat glass paper (3) were alternately used. They were laminated without being bonded, and further fired at 500 ° C. for 3 hours to form a denitration catalyst-supporting honeycomb structure (1). The organic binder component contained in the glass paper was removed in this firing step.
- a rectangular tubular casing (4) comprising a stainless steel casing body (4a) having a substantially U-shaped cross section and a flat stainless steel lid (4b) covering the opening is prepared, and the casing is prepared.
- the ceramic fiber blanket (5) is laid in the main body (4a)
- the silica sol-containing denitration catalyst-supported flat glass paper (3) and the silica sol-containing denitration catalyst-supported corrugated glass paper (2) are alternately bonded.
- the processing apparatus including the catalyst-supporting honeycomb structure of Example 1 of the present invention
- the processing apparatus including the denitration catalyst-supporting honeycomb structure (1) using commercially available inexpensive glass paper as a base material. (10) could be manufactured.
- a large-scale facility such as a so-called dipping tank or drying device for a so-called bonded type honeycomb structure is not required, and the manufacturing cost is low.
- the denitration catalyst-supporting corrugated glass paper (2) The catalyst-carrying flat glass paper (3) is laminated without being alternately adhered to form a catalyst-carrying honeycomb structure (1), and the catalyst-carrying honeycomb structure (1) is placed in the casing (4). Since they are filled, they can be disassembled and taken out from the casing (4), and the removed denitration catalyst-supported corrugated glass paper (2) and denitration catalyst-supported flat glass paper (3) are washed. Thus, these can be easily regenerated, and a reduction in the contact area of the gas to be processed and an increase in pressure loss can be reliably prevented.
- Example 1 the silica sol-containing denitration catalyst-supported corrugated glass paper (2) peeled from the mold and the silica sol-containing denitration catalyst-supported flat glass paper (3) were laminated without being alternately bonded, Furthermore, after firing these and removing the organic binder component contained in the glass paper, the resulting catalyst-supported honeycomb structure (1) is filled in the casing (4). Without carrying out, the silica sol-containing denitration catalyst-carrying corrugated glass paper (2) and the silica sol-containing denitration catalyst-carrying flat glass paper (3) are laminated without being alternately bonded, A supported honeycomb structure (1) can be formed, and the catalyst supported honeycomb structure (1) can be filled in the casing (4) as it is.
- the treatment apparatus (10) including the produced catalyst-supporting honeycomb structure (1) is incorporated in, for example, a denitration apparatus and denitration of exhaust gas is performed at a temperature of 250 to 400 ° C.
- glass The organic binder inherently contained in the paper is gradually pyrolyzed and removed.
- the corrugated shape of the glass paper is maintained by the silica sol which is an inorganic binder.
- Example 2 In the same manner as in Example 1, a processing apparatus (10) including a denitration catalyst-supporting honeycomb structure (1) is manufactured by the method of the present invention. The mold is used by heating to a surface temperature of 250 ° C. Except for the surface temperature of this mold, a treatment apparatus (10) comprising a denitration catalyst-supporting honeycomb structure (1) according to the present invention was produced in the same manner as in Example 1 above.
- Example 3 In the same manner as in Example 1, a processing apparatus (10) including a denitration catalyst-supporting honeycomb structure (1) is manufactured by the method of the present invention. The mold is heated to a surface temperature of 200 ° C. Except for the surface temperature of the mold, a processing apparatus (10) including the catalyst-supporting honeycomb structure (1) according to the present invention was manufactured in the same manner as in Example 1 above.
- each mold was heated to a surface temperature of 100 ° C. to manufacture a processing apparatus including the catalyst-supporting honeycomb structure.
- Comparative Example 1 For comparison, in the manufacturing method of the processing apparatus including the catalyst-supporting honeycomb structure of Example 1, the processing apparatus including the catalyst-supporting honeycomb structure is manufactured using each mold at normal temperature without heating. did.
Abstract
Description
2:無機バインダー含有機能性触媒担持波板状ガラスペーパー
3:無機バインダー含有機能性触媒担持平板状ガラスペーパー
4:ケーシング
4a:ケーシング本体
4b:蓋体
5:ブランケット
10:触媒担持ハニカム構造体を具備する処理装置
本発明の方法により脱硝触媒担持ハニカム型処理装置を、下記のようにして製造した。
上記実施例1の場合と同様にして、本発明の方法により脱硝触媒担持ハニカム構造体(1)を具備する処理装置(10)を製造するが、上記実施例1の場合と異なる点は、各金型を表面温度250℃に加熱して用いた点にある。この金型の表面温度以外は、上記実施例1の場合と同様にして、本発明による脱硝触媒担持ハニカム構造体(1)を具備する処理装置(10)を製造した。
上記実施例1の場合と同様にして、本発明の方法により脱硝触媒担持ハニカム構造体(1)を具備する処理装置(10)を製造するが、上記実施例1の場合と異なる点は、各金型を表面温度200℃に加熱して用いた点にある。この金型の表面温度以外は、上記実施例1の場合と同様にして、本発明による触媒担持ハニカム構造体(1)を具備する処理装置(10)を製造した。
上記実施例1の触媒担持ハニカム構造体を具備する処理装置の製造方法において、各金型を表面温度100℃に加熱して用い、触媒担持ハニカム構造体を具備する処理装置を製造した。
比較のために、上記実施例1の触媒担持ハニカム構造体を具備する処理装置の製造方法において、各金型を加熱せずに常温で用いて、触媒担持ハニカム構造体を具備する処理装置を製造した。
つぎに、本発明による実施例1~3、参考例1、および比較例1について、シリカゾル混合脱硝触媒含有スラリー塗布平板状ガラスペーパーの波形付与工程での波形付与金型の表面温度(℃)における波形付与後の波板状ガラスペーパーの金型からの剥離時間(秒)をそれぞれ測定して、比較検討するとともに、波形付与後の波板状ガラスペーパーの波形形状の良否をそれぞれ判定し、下記表1にまとめて示した。
Claims (11)
- 無機バインダー含有機能性触媒を担持した波板状ガラスペーパーと、同無機バインダー含有機能性触媒を担持した平板状ガラスペーパーとが交互に積層されて、触媒担持ハニカム構造体が形成され、この触媒担持ハニカム構造体がケーシング内に充填されていることを特徴とする、触媒担持ハニカム構造体を具備する処理装置。
- 無機バインダー含有機能性触媒を担持した波板状ガラスペーパーと、同無機バインダー含有機能性触媒を担持した平板状ガラスペーパーとが、交互に接着されることなく積層されていることを特徴とする、請求項1に記載の触媒担持ハニカム構造体を具備する処理装置。
- 機能性触媒が、脱硝触媒、脱硫触媒、ダイオキシン類分解触媒、およびアンモニア分解触媒よりなる群の中から選ばれた触媒であり、排ガスの浄化処理またはアンモニア分解による水素の製造に用いられることを特徴とする、請求項1または2に記載の触媒担持ハニカム構造体を具備する処理装置。
- 無機バインダーが、シリカゾル、アルミナゾル、γ-アルミナ、酸化チタンゾル、およびジルコニアゾルよりなる群の中から選ばれた少なくとも1つの無機系酸化物を含むことを特徴とする、請求項1~3のうちのいずれか一項に記載の触媒担持ハニカム構造体を具備する処理装置。
- ケーシングが、角筒形を有しており、ケーシングが、横断面略ロ字形のケーシングよりなるものであるか、横断面略U字形のケーシング本体とこれの開口部を覆う平板状の蓋体とよりなるものであるか、または横断面略L字形のケーシング本体とこれに嵌め合わせられる横断面略倒L字形の蓋体とよりなるものであることを特徴とする、請求項1~4のうちのいずれか一項に記載の触媒担持ハニカム構造体を具備する処理装置。
- ケーシングの内面に、無機繊維ブランケットが敷かれていることを特徴とする、請求項1~5のうちのいずれか一項に記載の触媒担持ハニカム構造体を具備する処理装置。
- 触媒担持ハニカム構造体を具備する処理装置の製造方法であって、平板状ガラスペーパーに、無機バインダーを混合した機能性触媒含有スラリーを塗布する工程と、スラリー塗布平板状ガラスペーパーを、高温の波形付与金型上に置いて加熱するとともに、押さえ治具により形付けし、かつガラスペーパー表面のスラリー中の水分を除去し乾燥して無機バインダー含有機能性触媒担持波板状ガラスペーパーを形成する工程と、波形付与金型から無機バインダー含有機能性触媒担持波板状ガラスペーパーをその形状を保ったまま剥離する工程と、一方、スラリー塗布平板状ガラスペーパーを、高温の平板金型上に置いて加熱し、ガラスペーパー表面のスラリー中の水分を除去し乾燥して無機バインダー含有機能性触媒担持平板状ガラスペーパーを形成する工程と、平板金型から無機バインダー含有機能性触媒担持平板状ガラスペーパーをその形状を保ったまま剥離する工程と、無機バインダー含有機能性触媒担持波板状ガラスペーパーおよび無機バインダー含有機能性触媒担持平板状ガラスペーパーを交互に積層し、ケーシング内に充填する工程とを備えることを特徴とする、触媒担持ハニカム構造体を具備する処理装置の製造方法。
- 波形付与金型および平板金型の表面温度が、200~500℃の範囲内であることを特徴とする、請求項7に記載の触媒担持ハニカム構造体を具備する処理装置の製造方法。
- 無機バインダーが、シリカゾル、アルミナゾル、γ-アルミナ、酸化チタンゾル、およびジルコニアゾルよりなる群の中から選ばれた少なくとも1つの無機系酸化物を含むことを特徴とする、請求項7または8に記載の触媒担持ハニカム構造体を具備する処理装置の製造方法。
- 金型からそれぞれ剥離された無機バインダー含有機能性触媒担持波板状ガラスペーパーおよび無機バインダー含有機能性触媒担持平板状ガラスペーパーをさらに焼成して、ガラスペーパーに本来的に含まれる有機バインダーを熱分解除去するとともに、無機バインダーによってガラスペーパーの形状を保持し、無機バインダー含有機能性触媒担持波板状ガラスペーパーおよび無機バインダー含有機能性触媒担持平板状ガラスペーパーを形成する工程を備えることを特徴とする、請求項7~9のうちのいずれか一項に記載の触媒担持ハニカム構造体を具備する処理装置の製造方法。
- ケーシング内への充填工程において、無機バインダー含有機能性触媒担持波板状ガラスペーパーおよび無機バインダー含有機能性触媒担持平板状ガラスペーパーを互いに接着することなく交互に積層することを特徴とする、請求項7~10のうちのいずれか一項に記載の触媒担持ハニカム構造体を具備する処理装置の製造方法。
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CN201380065946.XA CN104918702B (zh) | 2012-12-17 | 2013-09-24 | 具备催化剂负载蜂窝结构体的处理装置及其制造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP3278875A4 (en) * | 2015-03-31 | 2019-01-02 | Hitachi Zosen Corporation | Catalyst treatment device and method for manufacturing same |
JPWO2018066659A1 (ja) * | 2016-10-05 | 2019-08-29 | 日立造船株式会社 | 触媒担持構造体およびその製造方法 |
Families Citing this family (4)
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---|---|---|---|---|
CN110709591A (zh) | 2017-04-04 | 2020-01-17 | 巴斯夫公司 | 用于催化性污染治理的氢气还原剂 |
CN109248713A (zh) * | 2018-09-06 | 2019-01-22 | 南京蔚岚环境技术研究院有限公司 | 一种挥发性有机物处理用的催化剂载体及其制造方法 |
CN109603361A (zh) * | 2019-01-08 | 2019-04-12 | 邯郸学院 | 一种工业废气过滤装置 |
JP2023034798A (ja) * | 2021-08-31 | 2023-03-13 | 株式会社エフ・シー・シー | 排ガス浄化装置及びその製造方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5973053A (ja) * | 1982-10-15 | 1984-04-25 | Matsushita Electric Ind Co Ltd | 触媒担体 |
JP2002119868A (ja) * | 2000-10-17 | 2002-04-23 | Babcock Hitachi Kk | 排ガス浄化用触媒構造体 |
JP2003172134A (ja) * | 2001-12-05 | 2003-06-20 | Mitsubishi Heavy Ind Ltd | 触媒一体型反応器、それが設備された排ガス浄化装置、触媒一体型反応器の製造方法 |
WO2006092986A1 (ja) * | 2005-03-02 | 2006-09-08 | Ibiden Co., Ltd. | 無機繊維集合体、無機繊維集合体の製造方法、ハニカム構造体及びハニカム構造体の製造方法 |
JP2008155133A (ja) | 2006-12-25 | 2008-07-10 | Hitachi Zosen Corp | 脱硝触媒の製造方法 |
JP2010013773A (ja) | 2008-07-04 | 2010-01-21 | Nichias Corp | 無機繊維ペーパー及びこれを用いたハニカム構造体並びにフィルタ− |
JP2011078888A (ja) | 2009-10-06 | 2011-04-21 | Hitachi Zosen Corp | アンモニア分解触媒 |
WO2013125127A1 (ja) * | 2012-02-22 | 2013-08-29 | 日立造船株式会社 | 触媒担持ハニカム構造体を具備する処理装置、およびその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2908814B2 (ja) * | 1989-07-20 | 1999-06-21 | バブコツク日立株式会社 | 板状触媒体の成形装置および成形方法 |
JP3102791B2 (ja) * | 1990-03-23 | 2000-10-23 | バブコツク日立株式会社 | 板状触媒の成形装置および成形方法 |
JP3270084B2 (ja) * | 1991-12-11 | 2002-04-02 | バブコック日立株式会社 | 窒素酸化物除去用触媒およびその製造法 |
JP3588244B2 (ja) * | 1998-02-03 | 2004-11-10 | ニチアス株式会社 | 触媒及びその製造方法 |
JP2001137713A (ja) * | 1999-11-12 | 2001-05-22 | Nichias Corp | ハニカム構造体 |
US7615194B2 (en) * | 2005-01-26 | 2009-11-10 | Nichias Corporation | Purification composition and filter for ozone-containing exhaust gas |
JP4954556B2 (ja) * | 2005-01-26 | 2012-06-20 | ニチアス株式会社 | オゾン含有排出ガスの浄化組成物及びオゾン含有排出ガスの浄化フィルタ |
US7722705B2 (en) * | 2006-05-11 | 2010-05-25 | Corning Incorporated | Activated carbon honeycomb catalyst beds and methods for the use thereof |
WO2011135683A1 (ja) | 2010-04-27 | 2011-11-03 | イビデン株式会社 | ハニカム構造体の製造方法及びハニカム構造体 |
JP2014050824A (ja) * | 2012-09-10 | 2014-03-20 | Babcock-Hitachi Co Ltd | 排ガス浄化用触媒エレメントおよび排ガス浄化用触媒構造体 |
JP6270951B1 (ja) | 2016-09-26 | 2018-01-31 | 東芝エレベータ株式会社 | マシンルームレスエレベータ |
-
2012
- 2012-12-17 JP JP2012274299A patent/JP5909436B2/ja active Active
-
2013
- 2013-09-24 CN CN201380065946.XA patent/CN104918702B/zh active Active
- 2013-09-24 US US14/652,875 patent/US10138787B2/en active Active
- 2013-09-24 WO PCT/JP2013/075661 patent/WO2014097700A1/ja active Application Filing
- 2013-09-24 DK DK13864890.2T patent/DK2933020T3/en active
- 2013-09-24 KR KR1020157015040A patent/KR102157685B1/ko active IP Right Grant
- 2013-09-24 EP EP13864890.2A patent/EP2933020B1/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5973053A (ja) * | 1982-10-15 | 1984-04-25 | Matsushita Electric Ind Co Ltd | 触媒担体 |
JP2002119868A (ja) * | 2000-10-17 | 2002-04-23 | Babcock Hitachi Kk | 排ガス浄化用触媒構造体 |
JP2003172134A (ja) * | 2001-12-05 | 2003-06-20 | Mitsubishi Heavy Ind Ltd | 触媒一体型反応器、それが設備された排ガス浄化装置、触媒一体型反応器の製造方法 |
WO2006092986A1 (ja) * | 2005-03-02 | 2006-09-08 | Ibiden Co., Ltd. | 無機繊維集合体、無機繊維集合体の製造方法、ハニカム構造体及びハニカム構造体の製造方法 |
JP2008155133A (ja) | 2006-12-25 | 2008-07-10 | Hitachi Zosen Corp | 脱硝触媒の製造方法 |
JP2010013773A (ja) | 2008-07-04 | 2010-01-21 | Nichias Corp | 無機繊維ペーパー及びこれを用いたハニカム構造体並びにフィルタ− |
JP2011078888A (ja) | 2009-10-06 | 2011-04-21 | Hitachi Zosen Corp | アンモニア分解触媒 |
WO2013125127A1 (ja) * | 2012-02-22 | 2013-08-29 | 日立造船株式会社 | 触媒担持ハニカム構造体を具備する処理装置、およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2933020A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3278875A4 (en) * | 2015-03-31 | 2019-01-02 | Hitachi Zosen Corporation | Catalyst treatment device and method for manufacturing same |
JPWO2018066659A1 (ja) * | 2016-10-05 | 2019-08-29 | 日立造船株式会社 | 触媒担持構造体およびその製造方法 |
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