CN103785407B - 一种蜂窝式scr催化剂的制备方法 - Google Patents
一种蜂窝式scr催化剂的制备方法 Download PDFInfo
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- CN103785407B CN103785407B CN201410037171.1A CN201410037171A CN103785407B CN 103785407 B CN103785407 B CN 103785407B CN 201410037171 A CN201410037171 A CN 201410037171A CN 103785407 B CN103785407 B CN 103785407B
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- preparation
- scr catalyst
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- slurry
- colloid
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- 239000003054 catalyst Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 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 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 239000000084 colloidal system Substances 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000000129 anionic group Chemical group 0.000 claims abstract 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 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- LXASOGUHMSNFCR-UHFFFAOYSA-D [V+5].[V+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O Chemical compound [V+5].[V+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O LXASOGUHMSNFCR-UHFFFAOYSA-D 0.000 claims abstract description 11
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 claims abstract description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 9
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000003213 activating effect Effects 0.000 claims abstract description 6
- 229910001593 boehmite Inorganic materials 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims abstract description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000003197 catalytic effect Effects 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 238000007172 homogeneous catalysis Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- Catalysts (AREA)
Abstract
Description
催化剂 | 反应温度/℃ | 空速/h-1 | 入口处NO浓度/ppm | 出口处NO浓度/ppm | NO转化率 |
实施例1 | 250 | 5000 | 600 | 29 | 95.2% |
实施例2 | 250 | 5000 | 580 | 20 | 96.5% |
实施例3 | 250 | 5000 | 594 | 25 | 95.8% |
催化剂 | 反应温度/℃ | 空速/h-1 | 入口处NO浓度/ppm | 出口处NO浓度/ppm | NO转化率 |
实施例1 | 400 | 5000 | 600 | 7 | 98.8% |
实施例2 | 400 | 5000 | 580 | 6 | 99.0% |
实施例3 | 400 | 5000 | 594 | 9 | 98.4% |
催化剂 | 反应温度/℃ | 空速/h-1 | 入口处NO浓度/ppm | 出口处NO浓度/ppm | NO转化率 |
实施例1 | 550 | 5000 | 600 | 20 | 96.7% |
实施例2 | 550 | 5000 | 580 | 13 | 97.8% |
实施例3 | 550 | 5000 | 594 | 15 | 97.5% |
Claims (3)
Priority Applications (1)
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CN201410037171.1A CN103785407B (zh) | 2014-01-26 | 2014-01-26 | 一种蜂窝式scr催化剂的制备方法 |
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CN201410037171.1A CN103785407B (zh) | 2014-01-26 | 2014-01-26 | 一种蜂窝式scr催化剂的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN103785407A CN103785407A (zh) | 2014-05-14 |
CN103785407B true CN103785407B (zh) | 2015-08-05 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105435776A (zh) * | 2014-08-20 | 2016-03-30 | 上海郎特汽车净化器有限公司 | 一种蜂窝式铈锆钨钛基脱硝催化剂及其制备方法 |
CN105749962A (zh) * | 2014-12-19 | 2016-07-13 | 同济大学 | 一种用于低温烟气脱硝的催化剂及其制备方法 |
CN106732505A (zh) * | 2016-11-17 | 2017-05-31 | 中国建筑材料科学研究总院 | 脱硝催化剂及其制备方法和应用 |
CN113908842B (zh) * | 2021-10-19 | 2024-04-16 | 石河子大学 | 一种用于co-scr烟气脱硝的脱硝催化剂及其制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2009141888A1 (ja) * | 2008-05-20 | 2009-11-26 | イビデン株式会社 | ハニカム構造体 |
CN102698737B (zh) * | 2012-05-25 | 2014-11-05 | 中国科学院过程工程研究所 | 一种scr烟气脱硝催化剂及其原料钛钨粉的制备方法 |
CN103007923A (zh) * | 2012-12-13 | 2013-04-03 | 成都东方凯特瑞环保催化剂有限责任公司 | 一种scr脱硝催化剂及其制备方法 |
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