CN115301252B - 一种低成本脱硝催化剂及其制备方法 - Google Patents
一种低成本脱硝催化剂及其制备方法 Download PDFInfo
- Publication number
- CN115301252B CN115301252B CN202210985255.2A CN202210985255A CN115301252B CN 115301252 B CN115301252 B CN 115301252B CN 202210985255 A CN202210985255 A CN 202210985255A CN 115301252 B CN115301252 B CN 115301252B
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- China
- Prior art keywords
- denitration catalyst
- vanadium
- hydrothermal reaction
- low
- vanadium slag
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 92
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 99
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000002893 slag Substances 0.000 claims abstract description 66
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 38
- 239000008367 deionised water Substances 0.000 claims abstract description 33
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 238000001354 calcination Methods 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 23
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 20
- 230000002378 acidificating effect Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000009740 moulding (composite fabrication) Methods 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims description 19
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 235000019270 ammonium chloride Nutrition 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 7
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 7
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 6
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 9
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002386 leaching Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 239000011268 mixed slurry Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 238000000967 suction filtration Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- 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
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN202210985255.2A CN115301252B (zh) | 2022-08-17 | 2022-08-17 | 一种低成本脱硝催化剂及其制备方法 |
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CN202210985255.2A CN115301252B (zh) | 2022-08-17 | 2022-08-17 | 一种低成本脱硝催化剂及其制备方法 |
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Publication Number | Publication Date |
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CN115301252A CN115301252A (zh) | 2022-11-08 |
CN115301252B true CN115301252B (zh) | 2023-10-20 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN118142513B (zh) * | 2024-05-09 | 2024-08-06 | 成都先进金属材料产业技术研究院股份有限公司 | 熔盐氯化渣资源化利用方法以及脱硝催化剂及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101215005A (zh) * | 2008-01-14 | 2008-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | 利用钒渣生产五氧化二钒的方法 |
CN109022806A (zh) * | 2018-10-19 | 2018-12-18 | 河钢股份有限公司承德分公司 | 一种利用钒液除杂钒泥制备五氧化二钒的方法 |
CN109012689A (zh) * | 2018-08-23 | 2018-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种脱硝催化剂及其制备方法 |
WO2021114208A1 (zh) * | 2019-12-13 | 2021-06-17 | 南开大学 | 脱硝催化剂及使用该催化剂的脱硝方法 |
-
2022
- 2022-08-17 CN CN202210985255.2A patent/CN115301252B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101215005A (zh) * | 2008-01-14 | 2008-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | 利用钒渣生产五氧化二钒的方法 |
CN109012689A (zh) * | 2018-08-23 | 2018-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种脱硝催化剂及其制备方法 |
CN109022806A (zh) * | 2018-10-19 | 2018-12-18 | 河钢股份有限公司承德分公司 | 一种利用钒液除杂钒泥制备五氧化二钒的方法 |
WO2021114208A1 (zh) * | 2019-12-13 | 2021-06-17 | 南开大学 | 脱硝催化剂及使用该催化剂的脱硝方法 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20230921 Address after: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Applicant after: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. Applicant after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 617000 Taoyuan street, East District, Panzhihua, Sichuan Province, No. 90 Applicant before: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. |
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Application publication date: 20221108 Assignee: SICHUAN PAN YAN TECHNOLOGY Co.,Ltd. Assignor: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Contract record no.: X2024980001678 Denomination of invention: A low-cost denitrification catalyst and its preparation method Granted publication date: 20231020 License type: Common License Record date: 20240131 |