JP5752159B2 - 窒素酸化物分解触媒およびその製造方法 - Google Patents
窒素酸化物分解触媒およびその製造方法 Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims description 107
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000354 decomposition reaction Methods 0.000 title description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 42
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 42
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 27
- 229910052787 antimony Inorganic materials 0.000 claims description 27
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 26
- 238000006722 reduction reaction Methods 0.000 claims description 23
- 239000002243 precursor Substances 0.000 claims description 12
- 239000003426 co-catalyst Substances 0.000 claims description 9
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 9
- 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 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000012695 Ce precursor Substances 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 32
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 21
- 229910052717 sulfur Inorganic materials 0.000 description 21
- 239000011593 sulfur Substances 0.000 description 21
- 231100000572 poisoning Toxicity 0.000 description 20
- 230000000607 poisoning effect Effects 0.000 description 20
- 229910021529 ammonia Inorganic materials 0.000 description 16
- 230000009467 reduction Effects 0.000 description 15
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 13
- 229910052720 vanadium Inorganic materials 0.000 description 12
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000003795 desorption Methods 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 4
- 238000000351 diffuse reflectance infrared Fourier transform spectroscopy Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance 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
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- 239000007848 Bronsted acid Substances 0.000 description 1
- ODUCDPQEXGNKDN-UHFFFAOYSA-N Nitrogen oxide(NO) Natural products O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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- 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
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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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
- 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
-
- 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
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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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
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Description
Claims (2)
- チタンオキシドを含む担体と、
バナジウムオキシドを含む活性触媒成分と、
アンチモンおよびセリウムを含む助触媒と
を含み、
前記バナジウムオキシドは1〜3重量%、前記アンチモンは1〜3重量%、そして前記セリウムは3〜17重量%であり、
窒素酸化物を分解する脱窒還元反応(de NOx reduction reaction)に用いられ、450℃、NO 800ppm、NH 3 /NOx 1.0、H 2 O 6%、O 2 3%の条件で前記脱窒還元反応の脱窒効率は90%以上である触媒。 - チタンオキシドを含む担体、活性触媒成分に含まれるバナジウムオキシド前駆体、助触媒に含まれるアンチモン前駆体、そして助触媒に含まれるセリウム前駆体またはセリウム酸化物を混合して、混合物を形成する段階と、
前記混合物を焼成して窒素酸化物を分解する脱窒還元反応(de NOx reduction reaction)に含まれる触媒を製造する段階と
を含み、
前記バナジウムオキシドは1〜3重量%、前記アンチモンは1〜3重量%、そして前記セリウムは3〜17重量%であり、
窒素酸化物を分解する脱窒還元反応(de NOx reduction reaction)に用いられ、450℃、NO 800ppm、NH 3 /NOx 1.0、H 2 O 6%、O 2 3%の条件で前記脱窒還元反応の脱窒効率は90%以上である触媒の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2012-0110137 | 2012-10-04 | ||
KR1020120110137A KR101284214B1 (ko) | 2012-10-04 | 2012-10-04 | 질소산화물 분해 촉매 및 그 제조 방법 |
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JP2014073485A JP2014073485A (ja) | 2014-04-24 |
JP5752159B2 true JP5752159B2 (ja) | 2015-07-22 |
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US (1) | US10857519B2 (ja) |
EP (1) | EP2716364B1 (ja) |
JP (1) | JP5752159B2 (ja) |
KR (1) | KR101284214B1 (ja) |
CN (1) | CN103706351B (ja) |
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KR101513834B1 (ko) * | 2014-04-14 | 2015-04-20 | 두산엔진주식회사 | 선택적 촉매 환원을 위한 촉매 및 이의 제조방법 |
CN104162349B (zh) * | 2014-07-23 | 2016-05-18 | 浙江大学 | 一种抑制低温脱硝催化剂so2中毒的方法 |
KR101616669B1 (ko) * | 2015-01-29 | 2016-04-28 | 서울대학교산학협력단 | 질소산화물 환원 촉매 및 그 제조방법 |
KR101566186B1 (ko) * | 2015-04-17 | 2015-11-05 | 지이큐솔루션 주식회사 | 초저배출 NOx 수관보일러 |
CN107149941B (zh) * | 2016-03-03 | 2020-03-10 | 许承柱 | 利用催化废弃物的选择性还原反应的低温脱硝催化剂及其制造方法 |
EP3482824A1 (de) | 2017-11-14 | 2019-05-15 | Umicore Ag & Co. Kg | Scr-katalysator |
EP3482825A1 (de) * | 2017-11-14 | 2019-05-15 | Umicore Ag & Co. Kg | Scr-katalysator |
CN108620058B (zh) * | 2018-03-23 | 2021-01-26 | 大唐南京环保科技有限责任公司 | 一种宽温脱硝催化剂及其制备方法 |
KR102161131B1 (ko) | 2018-03-26 | 2020-09-29 | 경기대학교 산학협력단 | 안티몬/티타니아 담체 및 그 제조방법, 상기 담체를 이용한 가스상 유해물질 제거를 위한 촉매 및 그 제조방법 |
KR102170922B1 (ko) * | 2018-12-26 | 2020-10-29 | 에이치에스디엔진 주식회사 | 탈질 촉매의 제조방법 및 이에 의해 제조된 탈질 촉매 |
CN110218304B (zh) * | 2019-07-02 | 2021-07-20 | 广昌立骅科技股份有限公司 | 一种自干型水性醇酸树脂的制备方法及其改性方法 |
KR20230057068A (ko) | 2021-10-21 | 2023-04-28 | 한국전력공사 | 석탄화력발전소 변동부하용 광대역 온도영역 질소산화물 제거 촉매 및 그 제조방법 |
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US10857519B2 (en) | 2020-12-08 |
JP2014073485A (ja) | 2014-04-24 |
EP2716364A1 (en) | 2014-04-09 |
EP2716364B1 (en) | 2023-06-14 |
US20140100106A1 (en) | 2014-04-10 |
KR101284214B1 (ko) | 2013-07-08 |
CN103706351A (zh) | 2014-04-09 |
CN103706351B (zh) | 2016-03-09 |
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