CN112427040B - 一种负载型钒铁耦合全温域脱硝催化剂及其制备方法 - Google Patents
一种负载型钒铁耦合全温域脱硝催化剂及其制备方法 Download PDFInfo
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- CN112427040B CN112427040B CN202011287431.2A CN202011287431A CN112427040B CN 112427040 B CN112427040 B CN 112427040B CN 202011287431 A CN202011287431 A CN 202011287431A CN 112427040 B CN112427040 B CN 112427040B
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- 239000003054 catalyst Substances 0.000 title claims abstract description 248
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910000628 Ferrovanadium Inorganic materials 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 47
- 238000002156 mixing Methods 0.000 claims abstract description 279
- 238000001354 calcination Methods 0.000 claims abstract description 68
- 239000002699 waste material Substances 0.000 claims abstract description 68
- 230000003197 catalytic effect Effects 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 213
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 142
- 238000010438 heat treatment Methods 0.000 claims description 45
- 238000001035 drying Methods 0.000 claims description 34
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- 239000012752 auxiliary agent Substances 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 24
- 239000002243 precursor Substances 0.000 claims description 23
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 16
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000007885 magnetic separation Methods 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 235000006408 oxalic acid Nutrition 0.000 claims description 11
- 241000219793 Trifolium Species 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 10
- 150000005837 radical ions Chemical class 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012692 Fe precursor Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 230000000536 complexating effect Effects 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 80
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 39
- 230000032683 aging Effects 0.000 description 22
- 239000011858 nanopowder Substances 0.000 description 20
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 11
- 239000000126 substance Substances 0.000 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 description 6
- 229910001935 vanadium oxide Inorganic materials 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- NEGBOTVLELAPNE-UHFFFAOYSA-N [Ti].[Ce] Chemical compound [Ti].[Ce] NEGBOTVLELAPNE-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8877—Vanadium, tantalum, niobium 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
- B01J23/8885—Tungsten containing also molybdenum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
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CN202011287431.2A CN112427040B (zh) | 2020-11-17 | 2020-11-17 | 一种负载型钒铁耦合全温域脱硝催化剂及其制备方法 |
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CN202011287431.2A CN112427040B (zh) | 2020-11-17 | 2020-11-17 | 一种负载型钒铁耦合全温域脱硝催化剂及其制备方法 |
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CN112427040B true CN112427040B (zh) | 2022-12-20 |
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CN113546689B (zh) * | 2021-07-22 | 2023-10-31 | 安徽元琛环保科技股份有限公司 | 一种废旧scr脱硝催化剂再生回收降低铁含量的方法 |
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CN101612575B (zh) * | 2009-07-10 | 2011-11-09 | 天津大学 | Fe2O3和V2O5双重活性组分的柴油机用催化剂及其制备方法 |
CN102821845B (zh) * | 2010-04-16 | 2016-01-13 | 特莱巴赫工业有限公司 | 用于废气的选择性催化还原的催化剂组合物 |
CN102764657B (zh) * | 2012-08-10 | 2014-07-02 | 武汉科技大学 | 一种纳米v2o5/活性焦脱硝催化剂及其制备方法 |
CN102989467B (zh) * | 2012-12-13 | 2015-08-26 | 中国科学院生态环境研究中心 | 一种氧化钛负载型钒酸铁催化剂、制备方法及其用途 |
CN104888795A (zh) * | 2015-05-29 | 2015-09-09 | 上海大学 | 氧化钛负载钒酸盐脱硝催化剂、制备方法及应用 |
JP7218991B2 (ja) * | 2016-12-30 | 2023-02-07 | ビーエーエスエフ ソシエタス・ヨーロピア | 押出成形ハニカム触媒 |
CN107262086B (zh) * | 2017-08-08 | 2019-10-18 | 浙江大学 | 用于低温烟气促进硫酸氢铵分解的scr脱硝催化剂、制备方法及应用 |
CN109745995B (zh) * | 2017-11-03 | 2020-12-18 | 中国石油化工股份有限公司 | 宽温度窗口scr烟气脱硝催化剂及其制备方法和应用 |
CN108465467B (zh) * | 2018-03-27 | 2021-05-11 | 大连理工大学 | 一种应用于中低温烟气的高效nh3-scr脱硝催化剂、制备方法及其应用 |
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Effective date of registration: 20240222 Address after: 224051 No. 198 Fengxiang Road, Environmental Protection Science and Technology City, Tinghu District, Yancheng City, Jiangsu Province (28) Patentee after: JIANGSU LONGJING KEJIE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee before: University OF SCIENCE AND TECHNOLOGY BEIJING Country or region before: China Patentee before: Shunde Graduate School of Beijing University of science and technology |
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Address after: 224000 Fengxiang Road, environmental protection technology city, Ting Hu District, Yancheng City, Jiangsu 198 (28) Patentee after: JIANGSU LONGJING KEJIE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 224051 No. 198 Fengxiang Road, Environmental Protection Science and Technology City, Tinghu District, Yancheng City, Jiangsu Province (28) Patentee before: JIANGSU LONGJING KEJIE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |