CN101574651A - 由氧化钛、氧化钒和负载的金属氧化物组成的催化剂、其制备方法和用途 - Google Patents
由氧化钛、氧化钒和负载的金属氧化物组成的催化剂、其制备方法和用途 Download PDFInfo
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- 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
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- 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
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- 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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- 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
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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- 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
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- 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
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
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- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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Abstract
Description
样品 | 试验 | 金属氧化物 | V2O4负载量(%(重量)) | pH值 | 酸 | 粉末 | IEP(pH) | 270℃下的转化率(%) | K*tau |
比较例1 | 1 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 39 | 0.494 | ||
2 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 36.7 | 0.457 | |||
3 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 35.4 | 0.437 | |||
4 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 43.9 | 0.578 | |||
5 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 48.9 | 0.671 | |||
6 | WO3 | 0.9 | DT52 | 4.1+/-0.25 | 40.7 | 0.523 | |||
比较例2 | 1 | WO3 | 0.9 | DT52 | 3.65 | 44.9 | 0.596 | ||
实施例1 | 1 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 75.9 | 1.42 |
2 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 76.4 | 1.44 | |
3 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 74.9 | 1.38 | |
4 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 72.4 | 1.29 | |
5 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 70.7 | 1.23 | |
6 | WO3 | 0.9 | 0 | H2SO4 | DT51 | <2 | 74.7 | 1.37 | |
实施例2 | 1 | WO3 | 0.9 | 0 | H2SO4 | DT51 | 2.03 | 61.1 | 0.944 |
实施例3 | 1 | WO3 | 0.9 | 2 | H2SO4 | DT51 | <2 | 73.3 | 1.32 |
2 | WO3 | 0.9 | 2 | H2SO4 | DT51 | <2 | 79.3 | 1.58 | |
3 | WO3 | 0.9 | 2 | H2SO4 | DT51 | <2 | 70.2 | 1.21 | |
实施例5 | 1 | WO3 | 0.9 | 0 | HNO3 | DT51 | <2 | 70 | 1.2 |
2 | WO3 | 0.9 | 0 | HNO3 | DT51 | <2 | 75.1 | 1.39 | |
实旋例6 | 1 | MO3 | 0.9 | 0 | H2SO4 | DT51 | 未测 | 69.6 | 1.19 |
样品 | IEP(pH) | 270℃下的转化率(%) | K*tau |
实施例7a | 2.41 | 74.5 | 1.37 |
实施例7b | 3.06 | 68.4 | 1.15 |
实施例7c | 3.43 | 65.5 | 1.06 |
实施例7d | 3.92 | 61.6 | 0.957 |
样品 | V2O5负载量(%(重量)) | pH | 粉末 | IEP(pH) | 270℃下的转化率(%) | K*tau |
比较例8a | 0.9 | DT52 | 4.1+/-0.25 | 41.6 | 0.538 | |
比较例8b | 1.35 | DT52 | 4.1+/-0.25 | 67 | 1.11 | |
比较例8c | 1.8 | DT52 | 4.1+/-0.25 | 77.7 | 1.5 | |
比较例8d | 2.7 | DT52 | 4.1+/-0.25 | 62.4 | 0.979 | |
比较例8e | 3.6 | DT52 | 4.1+/-0.25 | 68.9 | 1.17 | |
实施例8a | 0.9 | 0 | DT51 | <2 | 62.2 | 0.974 |
实施例8b | 1.35 | 0 | DT51 | <2 | 69.9 | 1.2 |
实施例8c | 1.8 | 0 | DT51 | <2 | 75.7 | 1.41 |
实施例8d | 2.7 | 0 | DT51 | <2 | 68.6 | 1.16 |
实施例8e | 3.6 | 0 | DT51 | <2 | 87.8 | 2.10 |
样品 | IEP(pH) | 270℃下的转化率(%) | K*tau |
比较例1(平均) | 4.1+/-0.25 | 39.8 | 0.511 |
实施例9 | 3.51 | 55.8 | 0.817 |
样品 | IEP(pH) | 270℃下的转化率(%) | 270℃下的K*tau | 320℃下的转化率(%) | 320℃下的K*tau |
比较例10a | 4.1+/-0.25 | 0.5 | 0.005 | 19.9 | 0.221 |
实施例10b | <2 | 20.3 | 0.227 | 49.4 | 0.682 |
样品 | 硫酸盐浓度(%) | 0%淤浆浓度下的IEP(pH) | 10%淤浆浓度下的IEP(pH) | 270℃下的转化率(%) | 270℃下的K*tau |
实施例11a | 0.4 | 3.92 | 2.75 | 61.6 | 0.957 |
实施例11b | 3.3 | 4.77 | 1.08 | 77.2 | 1.48 |
样品 | 锆浓度(%(重量)) | 表面积(m2/g) | 270℃下的转化率(%) | K*tau |
实施例12a | 10 | 57.1 | 54.46 | 0.787 |
实施例12b | 20 | 72.9 | 51.38 | 0.721 |
Claims (30)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/968,706 | 2004-10-19 | ||
US10/968,706 US7491676B2 (en) | 2004-10-19 | 2004-10-19 | High activity titania supported metal oxide DeNOx catalysts |
Related Parent Applications (1)
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CNA2005800358720A Division CN101043941A (zh) | 2004-10-19 | 2005-10-14 | 氧化钛负载金属氧化物的高活性脱nox催化剂 |
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CN101574651A true CN101574651A (zh) | 2009-11-11 |
CN101574651B CN101574651B (zh) | 2013-08-07 |
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CN2009101325546A Expired - Fee Related CN101574651B (zh) | 2004-10-19 | 2005-10-14 | 由氧化钛、氧化钒和负载的金属氧化物组成的催化剂、其制备方法和用途 |
CNA2005800358720A Pending CN101043941A (zh) | 2004-10-19 | 2005-10-14 | 氧化钛负载金属氧化物的高活性脱nox催化剂 |
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CNA2005800358720A Pending CN101043941A (zh) | 2004-10-19 | 2005-10-14 | 氧化钛负载金属氧化物的高活性脱nox催化剂 |
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US (2) | US7491676B2 (zh) |
EP (1) | EP1830955A1 (zh) |
JP (2) | JP5299811B2 (zh) |
CN (2) | CN101574651B (zh) |
WO (1) | WO2006044768A1 (zh) |
Cited By (1)
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2004
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103608090A (zh) * | 2011-05-11 | 2014-02-26 | 莎哈利本颜料有限公司 | 用于无钒或少钒脱硝催化剂的原料及其制备方法 |
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JP2013136056A (ja) | 2013-07-11 |
EP1830955A1 (en) | 2007-09-12 |
US7628968B2 (en) | 2009-12-08 |
US7491676B2 (en) | 2009-02-17 |
CN101574651B (zh) | 2013-08-07 |
WO2006044768A1 (en) | 2006-04-27 |
JP5299811B2 (ja) | 2013-09-25 |
JP2008516757A (ja) | 2008-05-22 |
CN101043941A (zh) | 2007-09-26 |
US20060084569A1 (en) | 2006-04-20 |
US20080247929A1 (en) | 2008-10-09 |
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