CN106179323A - 一种钒钨钛氧化物催化剂及其制备方法和用途 - Google Patents
一种钒钨钛氧化物催化剂及其制备方法和用途 Download PDFInfo
- Publication number
- CN106179323A CN106179323A CN201610514241.7A CN201610514241A CN106179323A CN 106179323 A CN106179323 A CN 106179323A CN 201610514241 A CN201610514241 A CN 201610514241A CN 106179323 A CN106179323 A CN 106179323A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- tungsten
- source
- titanium
- oxide catalyst
- 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 120
- UCKLMHXLCUEQPZ-UHFFFAOYSA-N [O-2].[Ti+4].[V+5].[W+4] Chemical compound [O-2].[Ti+4].[V+5].[W+4] UCKLMHXLCUEQPZ-UHFFFAOYSA-N 0.000 title claims abstract description 65
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 84
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims abstract description 82
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 41
- 238000002360 preparation method Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 52
- 239000010936 titanium Substances 0.000 claims description 49
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 48
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 46
- 229910052721 tungsten Inorganic materials 0.000 claims description 44
- 229910052719 titanium Inorganic materials 0.000 claims description 39
- 239000010937 tungsten Substances 0.000 claims description 39
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 37
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 30
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 29
- 239000002244 precipitate Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 20
- 239000006184 cosolvent Substances 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 235000013877 carbamide Nutrition 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000001099 ammonium carbonate Substances 0.000 claims description 14
- 239000011259 mixed solution Substances 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- 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 description 10
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 7
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 7
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 229910021552 Vanadium(IV) chloride Inorganic materials 0.000 claims description 5
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 5
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 5
- JTJFQBNJBPPZRI-UHFFFAOYSA-J vanadium tetrachloride Chemical compound Cl[V](Cl)(Cl)Cl JTJFQBNJBPPZRI-UHFFFAOYSA-J 0.000 claims description 5
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 claims description 5
- 229940041260 vanadyl sulfate Drugs 0.000 claims description 5
- 229910000352 vanadyl sulfate Inorganic materials 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims description 4
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical compound [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 125000005287 vanadyl group Chemical group 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 230000003197 catalytic effect Effects 0.000 abstract description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011593 sulfur Substances 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 231100000572 poisoning Toxicity 0.000 description 4
- 230000000607 poisoning effect Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 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 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- NAOPSHWJMCFYEK-UHFFFAOYSA-M S(=O)(=O)([O-])[O-].[NH4+].[W+] Chemical compound S(=O)(=O)([O-])[O-].[NH4+].[W+] NAOPSHWJMCFYEK-UHFFFAOYSA-M 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000002390 rotary evaporation Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- JBIQAPKSNFTACH-UHFFFAOYSA-K vanadium oxytrichloride Chemical compound Cl[V](Cl)(Cl)=O JBIQAPKSNFTACH-UHFFFAOYSA-K 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
- 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
- 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
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514241.7A CN106179323A (zh) | 2016-07-01 | 2016-07-01 | 一种钒钨钛氧化物催化剂及其制备方法和用途 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514241.7A CN106179323A (zh) | 2016-07-01 | 2016-07-01 | 一种钒钨钛氧化物催化剂及其制备方法和用途 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106179323A true CN106179323A (zh) | 2016-12-07 |
Family
ID=57464168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514241.7A Pending CN106179323A (zh) | 2016-07-01 | 2016-07-01 | 一种钒钨钛氧化物催化剂及其制备方法和用途 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106179323A (zh) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984300A (zh) * | 2017-05-26 | 2017-07-28 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂及其制备方法和用途 |
| CN108236943A (zh) * | 2016-12-23 | 2018-07-03 | 中国科学院宁波城市环境观测研究站 | 一种钒基氧化物催化剂的制备方法 |
| CN108262036A (zh) * | 2016-12-30 | 2018-07-10 | 中国科学院宁波城市环境观测研究站 | 一种低温性能优异的钒基氧化物催化剂的制备方法 |
| CN108262037A (zh) * | 2016-12-30 | 2018-07-10 | 中国科学院宁波城市环境观测研究站 | 一种低温性能优异的钒基氧化物催化剂及其应用 |
| CN109364943A (zh) * | 2018-12-12 | 2019-02-22 | 辽宁大学 | 一种低温高效脱硝催化剂及其制备方法和应用 |
| CN110124677A (zh) * | 2019-06-24 | 2019-08-16 | 江苏浩日朗环保科技有限公司 | 脱硝催化剂及其制备方法 |
| CN112844370A (zh) * | 2020-12-30 | 2021-05-28 | 中国科学院生态环境研究中心 | 一种钒钛催化剂及其制备方法和用途 |
| CN117732476A (zh) * | 2023-12-14 | 2024-03-22 | 嘉庚创新实验室 | 催化剂的制备方法、催化剂及其应用 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550096A (en) * | 1983-10-21 | 1996-08-27 | Nippon Shokubai Koguko Kogyo Co., Ltd. | Catalyst for purifying nitrogen oxides from exhaust and waste gases |
| CN102284283A (zh) * | 2010-06-18 | 2011-12-21 | 上海牛翼新能源科技有限公司 | 烟气脱硝的氧化钛负载型钒钨复合氧化物整体型催化剂 |
| CN102764643A (zh) * | 2012-07-16 | 2012-11-07 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂、其制备方法及用途 |
| CN103846083A (zh) * | 2014-03-24 | 2014-06-11 | 南京理工大学 | 钨钛复合氧化物负载氧化铈的催化剂、制备方法及其应用 |
| CN104162421A (zh) * | 2014-08-18 | 2014-11-26 | 南京理工大学 | 一种耐高温钒钨钛氧化物催化剂的制备方法 |
-
2016
- 2016-07-01 CN CN201610514241.7A patent/CN106179323A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550096A (en) * | 1983-10-21 | 1996-08-27 | Nippon Shokubai Koguko Kogyo Co., Ltd. | Catalyst for purifying nitrogen oxides from exhaust and waste gases |
| CN102284283A (zh) * | 2010-06-18 | 2011-12-21 | 上海牛翼新能源科技有限公司 | 烟气脱硝的氧化钛负载型钒钨复合氧化物整体型催化剂 |
| CN102764643A (zh) * | 2012-07-16 | 2012-11-07 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂、其制备方法及用途 |
| CN103846083A (zh) * | 2014-03-24 | 2014-06-11 | 南京理工大学 | 钨钛复合氧化物负载氧化铈的催化剂、制备方法及其应用 |
| CN104162421A (zh) * | 2014-08-18 | 2014-11-26 | 南京理工大学 | 一种耐高温钒钨钛氧化物催化剂的制备方法 |
Non-Patent Citations (1)
| Title |
|---|
| ZHIHUA LIAN,ET AL: "Effect of preparation methods on the activity of VOx/CeO2 catalysts for the selective catalytic reduction of NOx with NH3", 《CATALYSIS SCIENCE & TECHNOLOGY》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236943A (zh) * | 2016-12-23 | 2018-07-03 | 中国科学院宁波城市环境观测研究站 | 一种钒基氧化物催化剂的制备方法 |
| CN108262036A (zh) * | 2016-12-30 | 2018-07-10 | 中国科学院宁波城市环境观测研究站 | 一种低温性能优异的钒基氧化物催化剂的制备方法 |
| CN108262037A (zh) * | 2016-12-30 | 2018-07-10 | 中国科学院宁波城市环境观测研究站 | 一种低温性能优异的钒基氧化物催化剂及其应用 |
| CN106984300A (zh) * | 2017-05-26 | 2017-07-28 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂及其制备方法和用途 |
| CN109364943A (zh) * | 2018-12-12 | 2019-02-22 | 辽宁大学 | 一种低温高效脱硝催化剂及其制备方法和应用 |
| CN110124677A (zh) * | 2019-06-24 | 2019-08-16 | 江苏浩日朗环保科技有限公司 | 脱硝催化剂及其制备方法 |
| CN112844370A (zh) * | 2020-12-30 | 2021-05-28 | 中国科学院生态环境研究中心 | 一种钒钛催化剂及其制备方法和用途 |
| CN117732476A (zh) * | 2023-12-14 | 2024-03-22 | 嘉庚创新实验室 | 催化剂的制备方法、催化剂及其应用 |
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