JP2012035216A - 排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 - Google Patents
排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 Download PDFInfo
- Publication number
- JP2012035216A JP2012035216A JP2010179055A JP2010179055A JP2012035216A JP 2012035216 A JP2012035216 A JP 2012035216A JP 2010179055 A JP2010179055 A JP 2010179055A JP 2010179055 A JP2010179055 A JP 2010179055A JP 2012035216 A JP2012035216 A JP 2012035216A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- titanium oxide
- catalyst
- sulfate
- molybdenum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 71
- 239000007789 gas Substances 0.000 title claims description 43
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium(II) oxide Chemical compound [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 34
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 32
- -1 aluminum ion Chemical class 0.000 claims abstract description 31
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 19
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 17
- 239000011733 molybdenum Substances 0.000 claims abstract description 17
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 16
- 239000010937 tungsten Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 125000005287 vanadyl group Chemical group 0.000 claims abstract description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000004715 keto acids Chemical class 0.000 claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 26
- 239000002028 Biomass Substances 0.000 claims description 17
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims 1
- 229910000348 titanium sulfate Inorganic materials 0.000 claims 1
- 150000003112 potassium compounds Chemical class 0.000 abstract description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 6
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010344 co-firing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/053—Sulfates
-
- 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
- B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- 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
- B01J37/0201—Impregnation
-
- 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
- B01J37/03—Precipitation; Co-precipitation
- B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
-
- 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
- B01J37/04—Mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- 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
- B01D2255/20707—Titanium
-
- 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
- B01D2255/20723—Vanadium
-
- 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
- B01D2255/20769—Molybdenum
-
- 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
- B01D2255/20776—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】本発明に係る排ガス浄化用触媒は、酸化チタン(TiO2)、硫酸アルミニウム(Al2(SO4)3)、バナジウム(V)、およびモリブデン(Mo)及び/又はタングステン(W)の酸化物からなる組成物であって、酸化チタンに対して、1wt%を超えて6wt%以下の硫酸アルミニウムが水の存在下で接触して、硫酸イオン及びアルミニウムイオンを吸着した酸化チタンに、バナジウムのオキソ酸塩またはバナジル塩と、モリブデン及び/又はタングステンのオキソ酸またはオキソ酸塩とが、0atom%を超えて3atom%以下の割合で担持されている。
【選択図】なし
Description
NH3+HO-Ti-(TiO2上の活性点) → NH4-O-Ti- ・・・・・(式1)
1/2K2CO3+HO-Ti-(TiO2上の活性点)
→ K-O-Ti- +1/2H2O+1/2CO2 ・・・・・(式2)
Al2(SO4)3+6(HO-Ti-) → 3SO4(-Ti-)2+2Al(OH)3
・・・・・(式3)
3K2CO3+3SO4(-Ti-)2+3H2O
→ 3K2SO4+6(HO-Ti-)+3CO2 ・・・・・(式4)
酸化チタン(TiO2:石原産業製、比表面積290m2/g)900g、硫酸アルミニウム(Al2(SO4)3)13〜14水和物70.4g、20wt%シリカゾル(日産化学製、OSゾル)396g、及び水100gをニーダに入れて30分間混練し、硫酸イオンを酸化チタンの表面に吸着させた。
実施例1のうちで硫酸アルミニウム(Al2(SO4)3)の添加量を23.5gに変え、他は実施例1と同様にして触媒を調製した。このときの硫酸アルミニウム(Al2(SO4)3)の添加量は、酸化チタン(TiO2)に対して1.5wt%である。なお、この触媒の組成は、実施例1と同様、原子比でTi/Mo/V=96/1/3である。
実施例1のうちで硫酸アルミニウム(Al2(SO4)3)の添加量を47.0gに変え、他は実施例1と同様にして触媒を調製した。このときの硫酸アルミニウム(Al2(SO4)3)の添加量は、酸化チタン(TiO2)に対して3.0wt%である。なお、この触媒の組成は、実施例1と同様、原子比でTi/Mo/V=96/1/3である。
実施例1のうちで硫酸アルミニウム(Al2(SO4)3)の添加量を93.9gに変え、他は実施例1と同様にして触媒を調製した。このときの硫酸アルミニウム(Al2(SO4)3)の添加量は、酸化チタン(TiO2)に対して6.0wt%である。なお、この触媒の組成は、実施例1と同様、原子比でTi/Mo/V=96/1/3である。
実施例1のうちでメタバナジン酸アンモニウムの添加量を6.7gに変え、他は実施例1と同様にして触媒を調製した。この触媒の組成は、原子比でTi/Mo/V=98.5/1/0.5であり、硫酸アルミニウム(Al2(SO4)3)の添加量は酸化チタン(TiO2)に対して4.5wt%である。
実施例1のうちでメタバナジン酸アンモニウムの添加量を13.3gに変え、他は実施例1と同様にして触媒を調製した。この触媒の組成は、原子比でTi/Mo/V=98/1/1であり、硫酸アルミニウム(Al2(SO4)3)の添加量は酸化チタン(TiO2)に対して4.5wt%である。
実施例1のうちで三酸化モリブデンの添加量を51.7gに変え、他は実施例1と同様にして触媒を調製した。この触媒の組成は、原子比でTi/Mo/V=94/3/3であり、硫酸アルミニウム(Al2(SO4)3)の添加量は酸化チタン(TiO2)に対して4.5wt%である。
実施例1で用いた三酸化モリブデン17.0gをメタタングステン酸アンモニウム24.4gに変え、他は実施例1と同様にして触媒を調製した。この触媒の組成は、原子比でTi/W/V=96/1/3であり、硫酸アルミニウム(Al2(SO4)3)の添加量は酸化チタン(TiO2)に対して4.5wt%である。
実施例1において、硫酸アルミニウム(Al2(SO4)3)を添加せず、それ以外は実施例1と同様にして触媒を調製した。
実施例5において、硫酸アルミニウム(Al2(SO4)3)を添加せず、それ以外は実施例1と同様にして触媒を調製した。
実施例6において、硫酸アルミニウム(Al2(SO4)3)を添加せず、それ以外は実施例1と同様にして触媒を調製した。
実施例7において、硫酸アルミニウム(Al2(SO4)3)を添加せず、それ以外は実施例1と同様にして触媒を調製した。
実施例8において、硫酸アルミニウム(Al2(SO4)3)を添加せず、それ以外は実施例1と同様にして触媒を調製した。
実施例1において、酸化チタン(TiO2)に硫酸アルミニウム(Al2(SO4)3)13〜14水和物、三酸化モリブデン、メタバナジン酸アンモニウム、シリカゾル、水とを最初から同時に混ぜてニーダで90分間混練し、それ以降の処理は実施例1と同様にして触媒を調整した。
実施例1〜8及び比較例1〜6で調整された各触媒を20mm幅×100mm長さに切り出し、バイオマス燃焼灰中に含まれるカリウム化合物による劣化を模擬するため、炭酸カリウムの水溶液を触媒成分に対しK2Oとして、0.5wt%添加となるように含浸後150℃で乾燥した。そして、模擬試験後の触媒と模擬試験前の触媒とを三枚用いて、表1の条件(ガス組成、ガス流量、温度、及び触媒充填量についての条件)で脱硝性能を測定し各触媒のカリウム劣化に対する耐毒性を評価した。
Claims (3)
- 酸化チタン(TiO2)、硫酸アルミニウム(Al2(SO4)3)、バナジウム(V)、およびモリブデン(Mo)及び/又はタングステン(W)の酸化物からなる組成物であって、
酸化チタンに対して、1wt%を超えて6wt%以下の硫酸アルミニウムが水の存在下で接触して、硫酸イオン及びアルミニウムイオンを吸着した酸化チタンに、バナジウムのオキソ酸塩またはバナジル塩と、モリブデン及び/又はタングステンのオキソ酸またはオキソ酸塩とが、0atom%を超えて3atom%以下の割合で担持されたことを特徴とする排ガス浄化用触媒。 - 酸化チタン(TiO2)、硫酸アルミニウム(Al2(SO4)3)、バナジウム(V)、およびモリブデン(Mo)及び/又はタングステン(W)の酸化物からなる排ガス浄化用触媒の製造方法であって、
酸化チタンに対して、1wt%を超えて6wt%以下の硫酸アルミニウムを水の存在下で接触させることにより、硫酸イオン及びアルミニウムイオンを吸着した酸化チタンに、バナジウムのオキソ酸塩またはバナジル塩と、モリブデン及び/又はタングステンのオキソ酸またはオキソ酸塩とを、0atom%を超えて3atom%以下の割合で担持させることを特徴とする排ガス浄化用触媒の製造方法。 - バイオマス専焼、またはバイオマスと石炭とを混焼した排ガスに、アンモニア(NH3)を還元剤として前記排ガス中に吹き込んだ後、該排ガスを請求項1記載の排ガス浄化用触媒と接触させて、前記排ガス中に含まれる窒素酸化物を還元除去することを特徴とする排ガス中窒素酸化物の浄化方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010179055A JP2012035216A (ja) | 2010-08-09 | 2010-08-09 | 排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 |
PCT/JP2011/004420 WO2012020557A1 (ja) | 2010-08-09 | 2011-08-04 | 排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 |
KR1020137003358A KR101843214B1 (ko) | 2010-08-09 | 2011-08-04 | 배기 가스 정화용 촉매 및 그의 제조 방법, 및 배기 가스 중 질소 산화물의 정화 방법 |
CN2011800348419A CN103025426A (zh) | 2010-08-09 | 2011-08-04 | 废气净化用催化剂及其制造方法、以及废气中氮氧化物的净化方法 |
EP11816226.2A EP2604339B1 (en) | 2010-08-09 | 2011-08-04 | Exhaust gas purification catalyst and production method therefor, and method for purifying nitrogen oxide in exhaust gas |
US13/814,523 US8673250B2 (en) | 2010-08-09 | 2011-08-04 | Exhaust gas purification catalyst and production method therefor, and method for purifying nitrogen oxide in exhaust gas |
DK11816226.2T DK2604339T3 (en) | 2010-08-09 | 2011-08-04 | Forbrændingsgaskatalysator and production method therefor and method for purifying nitrogen oxides in exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010179055A JP2012035216A (ja) | 2010-08-09 | 2010-08-09 | 排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012035216A true JP2012035216A (ja) | 2012-02-23 |
Family
ID=45567532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010179055A Pending JP2012035216A (ja) | 2010-08-09 | 2010-08-09 | 排ガス浄化用触媒及びその製造方法、並びに排ガス中窒素酸化物の浄化方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8673250B2 (ja) |
EP (1) | EP2604339B1 (ja) |
JP (1) | JP2012035216A (ja) |
KR (1) | KR101843214B1 (ja) |
CN (1) | CN103025426A (ja) |
DK (1) | DK2604339T3 (ja) |
WO (1) | WO2012020557A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11959638B2 (en) | 2018-09-11 | 2024-04-16 | Ihi Corporation | Boiler |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5916527B2 (ja) * | 2012-06-19 | 2016-05-11 | 三菱日立パワーシステムズ株式会社 | 排ガスの脱硝方法 |
JP6157916B2 (ja) * | 2013-04-30 | 2017-07-05 | 三菱日立パワーシステムズ株式会社 | 脱硝触媒およびその製造方法 |
CN108160086A (zh) * | 2018-01-18 | 2018-06-15 | 华北电力大学 | 一种平板式抗碱金属和硫中毒脱硝催化剂及其制备方法 |
US20220258135A1 (en) * | 2019-07-16 | 2022-08-18 | Kuk Il Inntot Co. , Ltd. | Catalytic reaction apparatus comprising coating composition for catalyst and coating method |
CN111841622B (zh) * | 2020-08-18 | 2021-04-30 | 合肥神舟催化净化器股份有限公司 | 一种金属改性分子筛基柴油机氧化催化器用催化剂及制备和使用方法 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01245852A (ja) * | 1988-03-29 | 1989-10-02 | Babcock Hitachi Kk | 脱硝触媒の製造方法 |
JPH08168641A (ja) * | 1994-12-20 | 1996-07-02 | Babcock Hitachi Kk | 排ガス脱硝用板状触媒、その製造方法および該触媒を用いる排ガス脱硝方法 |
JPH08219427A (ja) * | 1995-02-09 | 1996-08-30 | Mitsubishi Heavy Ind Ltd | 都市ごみ焼却プラントの運転方法 |
JPH09241667A (ja) * | 1996-03-11 | 1997-09-16 | Toa Netsuken Kk | 都市ごみおよび/または汚泥焼却プラント用防食添加剤とその使用方法 |
JP2002349821A (ja) * | 2001-05-30 | 2002-12-04 | Hitachi Ltd | 固体燃料の燃焼装置と燃焼方法及び微粉炭ボイラの改造方法 |
JP2003093881A (ja) * | 2001-09-27 | 2003-04-02 | Catalysts & Chem Ind Co Ltd | 窒素酸化物除去用触媒およびその製造方法 |
JP2005144299A (ja) * | 2003-11-13 | 2005-06-09 | Nippon Shokubai Co Ltd | 窒素酸化物除去用触媒および窒素酸化物除去方法 |
JP2006263700A (ja) * | 2005-02-28 | 2006-10-05 | Mitsubishi Heavy Ind Ltd | 排ガス中の水銀除去システムおよび除去方法 |
JP2008516757A (ja) * | 2004-10-19 | 2008-05-22 | ミレニアム インオーガニック ケミカルズ、 インコーポレイテッド | 高活性のチタニアに担持された金属酸化物の窒素酸化物除去触媒 |
JP2008544202A (ja) * | 2005-06-16 | 2008-12-04 | ケミラ オーワイジェイ | ボイラーの伝熱面への塩素堆積を防止する方法 |
JP2011161364A (ja) * | 2010-02-09 | 2011-08-25 | Babcock Hitachi Kk | バイオマス燃焼排ガス用脱硝触媒及び脱硝方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5177593A (en) * | 1974-12-28 | 1976-07-05 | Japan Gasoline | Haigasuchuno chitsusosankabutsukangenyoshokubai |
JPS542990A (en) * | 1977-06-10 | 1979-01-10 | Kyushu Refractories | Catalyst for reducing nitrogen oxides and its manufacturing method |
JPS63291628A (ja) * | 1987-05-22 | 1988-11-29 | Babcock Hitachi Kk | 窒素酸化物除去方法 |
JPS6415137A (en) | 1987-07-10 | 1989-01-19 | Babcock Hitachi Kk | Catalyst for removing nitrogen oxides in exhaust gas containing heavy metal oxide |
JP2583911B2 (ja) * | 1987-10-26 | 1997-02-19 | バブコツク日立株式会社 | 窒素酸化物除去用触媒 |
JPH01317545A (ja) * | 1988-06-16 | 1989-12-22 | Babcock Hitachi Kk | 脱硝触媒の製造方法 |
CA2265479C (en) | 1997-07-09 | 2007-04-10 | Babcock-Hitachi Kabushiki Kaisha | Denitration catalyst, process for preparing the same, and exhaust gas purification method |
JP5615228B2 (ja) * | 2011-05-30 | 2014-10-29 | バブコック日立株式会社 | 使用済脱硝触媒の再生方法 |
-
2010
- 2010-08-09 JP JP2010179055A patent/JP2012035216A/ja active Pending
-
2011
- 2011-08-04 US US13/814,523 patent/US8673250B2/en active Active
- 2011-08-04 KR KR1020137003358A patent/KR101843214B1/ko active IP Right Grant
- 2011-08-04 CN CN2011800348419A patent/CN103025426A/zh active Pending
- 2011-08-04 WO PCT/JP2011/004420 patent/WO2012020557A1/ja active Application Filing
- 2011-08-04 DK DK11816226.2T patent/DK2604339T3/en active
- 2011-08-04 EP EP11816226.2A patent/EP2604339B1/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01245852A (ja) * | 1988-03-29 | 1989-10-02 | Babcock Hitachi Kk | 脱硝触媒の製造方法 |
JPH08168641A (ja) * | 1994-12-20 | 1996-07-02 | Babcock Hitachi Kk | 排ガス脱硝用板状触媒、その製造方法および該触媒を用いる排ガス脱硝方法 |
JPH08219427A (ja) * | 1995-02-09 | 1996-08-30 | Mitsubishi Heavy Ind Ltd | 都市ごみ焼却プラントの運転方法 |
JPH09241667A (ja) * | 1996-03-11 | 1997-09-16 | Toa Netsuken Kk | 都市ごみおよび/または汚泥焼却プラント用防食添加剤とその使用方法 |
JP2002349821A (ja) * | 2001-05-30 | 2002-12-04 | Hitachi Ltd | 固体燃料の燃焼装置と燃焼方法及び微粉炭ボイラの改造方法 |
JP2003093881A (ja) * | 2001-09-27 | 2003-04-02 | Catalysts & Chem Ind Co Ltd | 窒素酸化物除去用触媒およびその製造方法 |
JP2005144299A (ja) * | 2003-11-13 | 2005-06-09 | Nippon Shokubai Co Ltd | 窒素酸化物除去用触媒および窒素酸化物除去方法 |
JP2008516757A (ja) * | 2004-10-19 | 2008-05-22 | ミレニアム インオーガニック ケミカルズ、 インコーポレイテッド | 高活性のチタニアに担持された金属酸化物の窒素酸化物除去触媒 |
JP2006263700A (ja) * | 2005-02-28 | 2006-10-05 | Mitsubishi Heavy Ind Ltd | 排ガス中の水銀除去システムおよび除去方法 |
JP2008544202A (ja) * | 2005-06-16 | 2008-12-04 | ケミラ オーワイジェイ | ボイラーの伝熱面への塩素堆積を防止する方法 |
JP2011161364A (ja) * | 2010-02-09 | 2011-08-25 | Babcock Hitachi Kk | バイオマス燃焼排ガス用脱硝触媒及び脱硝方法 |
Non-Patent Citations (3)
Title |
---|
中原勝儼, 無機化合物・錯体辞典, JPN6015042603, 10 June 1997 (1997-06-10), pages 1016 - 1017, ISSN: 0003180942 * |
佐藤克良,外: "バイオマス直噴燃焼式55kW小型発電プラントの研究開発", エネルギー・資源学会論文誌, vol. 29, no. 5, JPN6015021723, 5 September 2008 (2008-09-05), pages 8 - 14, ISSN: 0003086675 * |
小野嘉夫,外編, 触媒の事典, JPN6015042605, 1 November 2000 (2000-11-01), pages 186 - 187, ISSN: 0003180943 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11959638B2 (en) | 2018-09-11 | 2024-04-16 | Ihi Corporation | Boiler |
Also Published As
Publication number | Publication date |
---|---|
US8673250B2 (en) | 2014-03-18 |
KR20140002600A (ko) | 2014-01-08 |
EP2604339A1 (en) | 2013-06-19 |
CN103025426A (zh) | 2013-04-03 |
US20130142719A1 (en) | 2013-06-06 |
EP2604339B1 (en) | 2016-04-06 |
KR101843214B1 (ko) | 2018-03-28 |
DK2604339T3 (en) | 2016-07-04 |
WO2012020557A1 (ja) | 2012-02-16 |
EP2604339A4 (en) | 2014-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101843214B1 (ko) | 배기 가스 정화용 촉매 및 그의 제조 방법, 및 배기 가스 중 질소 산화물의 정화 방법 | |
EP2435164B1 (en) | Selective catalytic reduction system and process using a pre-sulfated zirconia binder | |
JPWO2005044426A1 (ja) | 窒素酸化物を接触還元する方法とそのための触媒 | |
TWI516304B (zh) | Exhaust denitrification catalyst and its manufacturing method | |
JP5596992B2 (ja) | バイオマス燃焼排ガス用脱硝触媒及び脱硝方法 | |
US20100303697A1 (en) | Selective Catalytic Reduction System and Process for Treating NOx Emissions Using a Zinc or Titanium Promoted Palladium-Zirconium Catalyst | |
JP5916527B2 (ja) | 排ガスの脱硝方法 | |
JP5804980B2 (ja) | 排ガス処理用脱硝触媒および排ガス処理方法 | |
JP2010142688A (ja) | 窒素酸化物選択的接触還元用触媒 | |
JP5360834B2 (ja) | 鉄化合物の影響を抑制した排ガス浄化触媒 | |
JP5615228B2 (ja) | 使用済脱硝触媒の再生方法 | |
JP5285459B2 (ja) | 排ガス浄化用触媒および排ガス浄化方法 | |
JP5186699B2 (ja) | 排ガス中の金属水銀の酸化触媒及び該触媒を用いた金属水銀の酸化処理方法 | |
JP2012035150A (ja) | 排ガス浄化用触媒およびその製造方法 | |
JP2005279372A (ja) | 脱硝触媒およびそれを用いた脱硝方法 | |
JP4881226B2 (ja) | 排ガス浄化用触媒および排ガス浄化方法 | |
JP2002045697A (ja) | 排ガス浄化用触媒および排ガス浄化方法 | |
JP2009056459A (ja) | 排ガス浄化用触媒および排ガス浄化方法 | |
JP2010214307A (ja) | 窒素酸化物除去用触媒、その製法および窒素酸化物浄化方法 | |
Heylen | New adsorptive, catalytic and photocatalytic approaches for elimination of NOx and NH3 from a gas stream | |
JP2010088983A (ja) | 排ガス中の金属水銀の酸化処理方法及びその触媒 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130709 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140916 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20141224 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20150602 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150901 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20150915 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20151023 |