WO2005054126A1 - 炭素材料及び排煙処理装置 - Google Patents
炭素材料及び排煙処理装置 Download PDFInfo
- Publication number
- WO2005054126A1 WO2005054126A1 PCT/JP2003/015580 JP0315580W WO2005054126A1 WO 2005054126 A1 WO2005054126 A1 WO 2005054126A1 JP 0315580 W JP0315580 W JP 0315580W WO 2005054126 A1 WO2005054126 A1 WO 2005054126A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon material
- activated carbon
- desulfurization
- exhaust gas
- carbon
- Prior art date
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- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 47
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000003546 flue gas Substances 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011651 chromium Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 4
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910021392 nanocarbon Inorganic materials 0.000 claims abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 57
- 230000023556 desulfurization Effects 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 48
- 239000003054 catalyst Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 25
- 239000004917 carbon fiber Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 36
- 229910052751 metal Inorganic materials 0.000 description 26
- 239000002184 metal Substances 0.000 description 26
- 239000010410 layer Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 18
- 239000003153 chemical reaction reagent Substances 0.000 description 15
- 239000010440 gypsum Substances 0.000 description 14
- 229910052602 gypsum Inorganic materials 0.000 description 14
- 239000012299 nitrogen atmosphere Substances 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 238000007654 immersion Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910052815 sulfur oxide Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
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- 238000001179 sorption measurement Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010742 number 1 fuel oil Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1028—Iridium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/104—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20746—Cobalt
-
- 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
- B01J23/90—Regeneration or reactivation
- B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/94—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides 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
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/30—Sorption devices using carbon, e.g. coke
-
- 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
- Y02P20/584—Recycling of catalysts
Definitions
- the present invention makes harmless substances contained in exhaust gas discharged from various incinerators such as municipal waste incinerators, industrial waste incinerators, sludge incinerators, melting furnaces, boilers, gas turbines, engines and the like harmless.
- the present invention relates to a carbon material to be converted into a gas and a flue gas treatment device using the same. Background art
- the dry method requires a large amount of heat because the sulfur adsorbed on the activated carbon is desorbed by heating.
- disposal of the generated dilute sulfuric acid and abrasion of the adsorbent become problems. Therefore, a sulfur oxide absorbent and large-scale equipment are not required, and a high concentration of sulfuric acid can be obtained at the time of desulfurization, and gypsum can be produced with little power using the same equipment as the lime-gypsum method. It is hoped that a new desulfurization device will appear.
- an activated carbon fiber tank for adsorbing SOX in exhaust gas is provided in the adsorption tower, and the exhaust gas is supplied from below to reduce the sulfur on the surface of the activated carbon fiber.
- 0 2 was oxidized to S 0 3
- the resulting S 0 3 reacts with the supplied water, and to generate a sulfuric acid (H 2 S 0 4).
- the present invention has been made in view of the above circumstances, and provides a carbon material capable of performing an efficient desulfurization reaction, and a flue gas treatment device having a simple and highly efficient desulfurization device using the carbon material. With the goal.
- a carbon material according to the present invention for solving the above-mentioned problems is a carbon material obtained by adding a metal material or a semiconductor material to a carbon material.
- the metal material contains at least one of chromium, iridium, palladium, platinum, iron, cobalt, and silver.
- the carbon material is any one of activated carbon fiber, activated carbon, graphite, carbon nanotube, and nanocarbon.
- the carbon material is characterized in that the addition of the metal material is 100 ppm or less.
- the carbon material is characterized in that the carbon material has been hydrophobized by heat treatment at 600 to 1200 ° C. in a non-oxidizing atmosphere. Carbon material.
- the above-mentioned carbon material is used for desulfurization for removing a sulfur component in exhaust gas.
- a flue gas treatment device that solves the above-mentioned problems is a flue gas treatment device that has a catalyst layer through which exhaust gas flows, and a water supply unit that supplies water to the catalyst layer.
- FIG. 1 is a schematic configuration diagram of a flue gas treatment device (sulfuric acid production type) provided with a desulfurization device according to an embodiment of the present invention.
- FIG. 2 is a schematic configuration diagram of a flue gas treatment device (gypsum production type) provided with a desulfurization device according to another embodiment of the present invention.
- FIG. 3 is a schematic configuration diagram of a desulfurization device according to another embodiment.
- FIG. 4 is a schematic perspective external view of a catalyst layer. BEST MODE FOR CARRYING OUT THE INVENTION
- the carbon material described in the following embodiments is obtained by adding a metal material to a carbon material.
- a metal element of Group 3 to Group 12 on the periodic table of elements is suitable, and a metal or semiconductor element of Group 1, Group 2, or Group 13 to Group 16 Is valid.
- These can be added alone or as a mixture of at least two or more.
- the amount of addition is preferably 100 ppm or less, more preferably 100 ppm or less, as the concentration finally remaining in the carbon material. This is because the effect of addition does not further improve even if added in excess of 100 ppm.
- Examples of the carbon material include carbon materials such as activated carbon fiber, activated carbon, graphite, carbon nanotube, and nanocarbon.
- the time at which the metal component is added to the carbon material is not particularly limited.
- Examples of the method of adding the metal component to the carbon material include, for example, a method of impregnating a metal raw material into a solution, adding a metal powder by spraying, and a method of performing heat treatment together with a bulk body (solid) of a metal or metal compound.
- Examples of the method include a method of baking, a method of preparing a metal to which a material constituting a container or a component of a furnace is added, and transferring the material during heat treatment.
- 600 to 20 a heat treatment with TC may be performed to make the carbon fibers hydrophobic in a non-oxidizing atmosphere.
- Examples of the activated carbon fibers used in the following embodiments include pitch-based activated carbon fibers, polyacrylonitrile-based activated carbon fibers, phenol-based activated carbon fibers, and cellulose-based activated carbon fibers. There is no limitation as long as the activated carbon fiber plays.
- activated carbon fibers A to C having different types of charcoal composition are used as carbon materials.
- the desulfurization activity of the catalyst composed of activated carbon fibers prepared by the method described above was evaluated in a glass reaction tube. Conditions, the reaction temperature 50 ° C, a catalytic amount 0. 2 g, the process gas volume 20 OmLN / min, inlet S0 2 concentration 1 000 p pm, the oxygen concentration of 4% and a water content of 1 to 3% equivalent, a nitrogen balance.
- Table 1 shows the evaluation results of the desulfurization activity for Embodiments 1 to 5.
- the activated carbon fiber in which the metal component Cr according to the third embodiment was immersed had a high desulfurization rate of 90% or more. This is because the distribution of Cr becomes uniform in the immersion method according to the third embodiment, as compared with the case of spraying in the metal state.
- the ratio means a comparative example.
- Activated carbon fiber C (2 g) was immersed in 40 mL of a reagent (FeOH (C 3 COO) 2 ) aqueous solution containing 40 mg of Fe, and then baked at 110 ° C for 20 hours in a nitrogen atmosphere. did.
- a reagent FeOH (C 3 COO) 2
- Activated carbon fiber C (2 g) was immersed in 4 OmL of a reagent (H 2 (I r CI 6 ) ⁇ 6 H 2 O) aqueous solution containing Ir 4 Omg, and then immersed in a nitrogen atmosphere. It was baked at the temperature of TC for 20 hours.
- a reagent H 2 (I r CI 6 ) ⁇ 6 H 2 O
- Reagent comprising a M n 4 Omg (M n ( C 3 COO) 2 ⁇ 4 H 2 O) aqueous solution of 4 after crushing immersed activated carbon fibers C (2 g) in Om L, 1 1 00 this in a nitrogen atmosphere It was baked at a temperature of ° C for 20 hours.
- Table 2 shows the evaluation results of the desulfurization activities for Embodiments 6 to 15.
- the metal component is not Cr, Fe, Ag, P
- Activated carbon fibers to which t, Ir, Pd, and Ni metal components are added have a desulfurization efficiency nearly twice or more than that of activated carbon fibers to which no metal components are added (desulfurization rate: 13%). Dramatically improved to more than twice.
- the activated carbon fiber to which the metal component of Mn was added also improved the desulfurization efficiency as compared to the activated carbon fiber to which no metal component was added.
- the ratio means a comparative example.
- the operation was performed in the same manner as in Embodiment 11, except that the loading ratio of Ir (metal%) was changed to 1% by weight.
- the operation was the same as in Embodiment 11, except that the loading ratio of Ir (metal%) was changed to 0.1% by weight.
- Table 3 shows the evaluation results of the desulfurization activities of Embodiments 16 to 18. ⁇ Table 3>
- the addition ratio of Ir was particularly preferably 0.5% by weight.
- a smoke exhaust treatment device provided with the above will be described.
- the flue gas treatment device shown in Fig. 1 extracts sulfur oxides in exhaust gas as sulfuric acid by the desulfurization function of the desulfurization device.
- the flue gas treatment apparatus includes a boiler 1 that generates steam for driving a steam turbine, a dust collector 2 that removes dust in the exhaust gas 100 from the poiler 1, and a dust removal device 2.
- Push fan 3 that supplies exhaust gas into desulfurization tower 4 (desulfurization unit), and humidification cooling device that cools exhaust gas 100 and humidifies it before (or in the tower) before it is supplied to desulfurization tower 4.
- the boiler 1 for example, fuel such as coal or heavy oil is burned in a furnace in order to generate steam for driving a steam turbine of a thermal power plant (not shown).
- the exhaust gas of the boiler 1 contains sulfur oxides (SO x), and the exhaust gas is denitrated by a denitration device (not shown), cooled by a gas heater, and then removed by the dust collector 2.
- SO x sulfur oxides
- the exhaust gas from which the dust has been removed is introduced into the desulfurization tower 4 from the introduction port 5 provided in the lower side wall of the desulfurization tower 4 by the pushing fan 3.
- a catalyst layer 6 formed of an activated carbon fiber layer is provided inside the desulfurization tower 4, and water for producing sulfuric acid is supplied to the catalyst layer 6 from a water spray nozzle 7. Water is supplied from the upper part, and the exhaust gas is passed through the lower part of the catalyst layer 6 to thereby remove SO x from the exhaust gas.
- the exhaust gas that has passed through the inside of the catalyst layer 6 is discharged from the outlet 12 and discharged to the atmosphere through the chimney 13.
- Fig. 2 shows an example of another smoke exhaust treatment device.
- the flue gas treatment device shown in FIG. 2 extracts sulfur oxides in exhaust gas as sulfuric acid by a desulfurization function of a desulfurization device, and supplies lime slurry to the sulfuric acid to produce gypsum.
- the smoke exhaust treatment device includes a boiler 1 that generates steam for driving a steam turbine, a dust remover 2 that removes dust in the exhaust gas 100 from the boiler 1, and a dust removal device.
- Fan 3 for supplying the exhaust gas into the desulfurization tower 4 (desulfurization unit), and a humidifying cooling unit for cooling the exhaust gas 100 and increasing the humidity in the stage before (or in the tower) to supply it to the desulfurization tower 4 16 and the exhaust gas 100 supplied from the inlet 5 in the lower wall of the tower are passed through the catalyst layer 6 disposed inside, and water is supplied from above the catalyst layer 6 by the watering nozzle 7.
- external desulfurization tower 4 for a desulfurization reaction to take out S 0 X in the exhaust gas as a dilute sulfuric acid (H 2 S 0 4) (desulfurization), the desulfurized purified gas from the discharge port 1 2 at the top of the desulfurization column 4 Extract dilute sulfuric acid from chimney 13 and desulfurization tower 4 via discharge pump 10 for storage
- the gypsum reaction tank 52 for depositing gypsum while supplying the lime slurry 51, the sedimentation tank (thickener) 53 for settling gypsum, and the gypsum slurry 54 for removing water as drainage (filtrate) 57 And a dehydrator 56 for obtaining gypsum 55.
- the flue gas treatment device shown in Fig. 1 has a configuration in which sulfuric acid obtained by desulfurization from exhaust gas is extracted as sulfuric acid.
- lime slurry 51 is supplied to sulfuric acid.
- This is a device that has a configuration in which gypsum slurry 54 is obtained, then dehydrated and taken out as gypsum.
- the desulfurization apparatus has an inlet 5 for exhaust gas 100 containing sulfur oxide on a side wall (or a lower part) of the desulfurization tower 4, and an activated carbon provided in the desulfurization tower 4.
- a sprinkling nozzle 7 as a water supply device for producing sulfuric acid is provided above the catalyst layer 6 composed of a fiber layer, and the supplied exhaust gas 100 is provided upstream of the catalyst layer 6 in the exhaust gas flow direction.
- a rectifying plate 42 having distribution holes 41 for rectifying the flow is provided.
- FIG. 4 is a schematic perspective external view of the catalyst layer 6. As shown in FIG.
- the activated carbon fiber layer 20 forming one unit of the catalyst layer 6 includes a flat plate-shaped activated carbon fiber sheet 21 arranged in parallel and a space formed by the sheet 21. And a plurality of grid-like spaces formed by the sheets 21 and 22 and having a rectangular cross section in a state where the plurality of grid-like spaces extend vertically. 5 are formed.
- FIG. 3 shows a state in which the activated carbon fiber layer 6 is a single layer, which is schematically shown, and is actually formed of a plurality of layers as shown in FIG. I have.
- the distance between adjacent flat activated carbon fiber sheets 21 and 21 is h, and the distance between adjacent activated carbon fiber sheets 22 and 22 is p.
- Water is sprayed from the watering nozzle 7 to the catalyst layer 6 and supplied, and exhaust gas 100 is sent from below the catalyst layer 6.
- the water flowing through the activated carbon fiber layer 20 has a particle size of several mm and falls to the bottom inside the desulfurization tower 4.
- the exhaust gas 100 flows through a relatively large passage 15 formed by the flat plate activated carbon fiber sheet 21 and the partitioning activated carbon fiber sheet 22, so that the pressure loss increases. Is suppressed.
- a furnace for a reducing atmosphere is provided in the desulfurization tower 4, and the carbon fiber as the catalyst layer 6 is calcined at 110 ° C. or less in the reducing atmosphere to regenerate the catalyst layer 6. It may be.
- a metal component such as chromium is added to activated carbon fiber or the like as a carbon material, catalytic activity is improved, and, for example, it is used as a catalyst material for a desulfurization device. It becomes suitable.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/543,412 US20060178263A1 (en) | 2003-12-05 | 2003-12-05 | Carbon material and flue gas treatment apparatus |
CNA2003801094330A CN1745036A (zh) | 2003-12-05 | 2003-12-05 | 碳材料和废气处理装置 |
PCT/JP2003/015580 WO2005054126A1 (ja) | 2003-12-05 | 2003-12-05 | 炭素材料及び排煙処理装置 |
EP03777279A EP1726565A4 (en) | 2003-12-05 | 2003-12-05 | CARBON MATERIAL AND APPARATUS FOR TREATING CARBON GAS |
CA002513339A CA2513339C (en) | 2003-12-05 | 2003-12-05 | Carbon material and exhaust gas treatment apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/015580 WO2005054126A1 (ja) | 2003-12-05 | 2003-12-05 | 炭素材料及び排煙処理装置 |
Publications (1)
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WO2005054126A1 true WO2005054126A1 (ja) | 2005-06-16 |
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PCT/JP2003/015580 WO2005054126A1 (ja) | 2003-12-05 | 2003-12-05 | 炭素材料及び排煙処理装置 |
Country Status (4)
Country | Link |
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EP (1) | EP1726565A4 (ja) |
CN (1) | CN1745036A (ja) |
CA (1) | CA2513339C (ja) |
WO (1) | WO2005054126A1 (ja) |
Cited By (1)
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CN108568188A (zh) * | 2018-06-26 | 2018-09-25 | 贵阳铝镁设计研究院有限公司 | 一种用于净化沥青熔化器及沥青储槽沥青烟气的方法 |
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WO2009057127A1 (en) * | 2007-11-01 | 2009-05-07 | Patel Phirose | A system for effective storing and fuelling of hydrogen |
JP5415061B2 (ja) * | 2008-12-08 | 2014-02-12 | 東洋炭素株式会社 | 炭素材の製造方法および炭素材 |
CN101766999B (zh) * | 2009-12-31 | 2013-06-12 | 浙江工业大学 | Nd2O3-ACF催化剂及制备方法和应用 |
DE102012209286A1 (de) * | 2012-06-01 | 2013-12-05 | Man Diesel & Turbo Se | Brennkraftmaschine mit Abgasaufladung und Abgasrückführung |
CN104826611A (zh) * | 2015-04-22 | 2015-08-12 | 马鞍山市顺达环保设备有限公司 | 一种用于垃圾焚烧尾气处理的吸附剂及其制备方法 |
CN104776436B (zh) * | 2015-04-24 | 2017-01-18 | 李胜然 | 垃圾焚烧装置 |
LU93014B1 (en) * | 2016-04-04 | 2017-10-05 | Ajo Ind S A R L | Catalyst mixture for the treatment of waste gas |
LU93012B1 (en) | 2016-04-04 | 2017-11-08 | Cppe Carbon Process & Plant Eng S A En Abrege Cppe S A | Sulfur dioxide removal from waste gas |
LU93013B1 (en) | 2016-04-04 | 2017-11-08 | Cppe Carbon Process & Plant Eng S A En Abrege Cppe S A | Process for the removal of heavy metals from fluids |
CN109084310B (zh) * | 2018-08-21 | 2020-01-07 | 余帅均 | 一种环保型垃圾燃烧发电设备 |
CN112275067B (zh) * | 2020-10-09 | 2022-06-14 | 唐山净天环保科技有限公司 | 一种用于环保设备的废气处理输送装置 |
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- 2003-12-05 WO PCT/JP2003/015580 patent/WO2005054126A1/ja active Application Filing
- 2003-12-05 EP EP03777279A patent/EP1726565A4/en not_active Withdrawn
- 2003-12-05 CA CA002513339A patent/CA2513339C/en not_active Expired - Fee Related
- 2003-12-05 CN CNA2003801094330A patent/CN1745036A/zh active Pending
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CN108568188A (zh) * | 2018-06-26 | 2018-09-25 | 贵阳铝镁设计研究院有限公司 | 一种用于净化沥青熔化器及沥青储槽沥青烟气的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1745036A (zh) | 2006-03-08 |
CA2513339C (en) | 2009-10-20 |
EP1726565A1 (en) | 2006-11-29 |
EP1726565A4 (en) | 2010-03-31 |
CA2513339A1 (en) | 2005-06-16 |
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