CN103025428B - 废气脱硝催化剂及其制造方法 - Google Patents
废气脱硝催化剂及其制造方法 Download PDFInfo
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- CN103025428B CN103025428B CN201180036165.9A CN201180036165A CN103025428B CN 103025428 B CN103025428 B CN 103025428B CN 201180036165 A CN201180036165 A CN 201180036165A CN 103025428 B CN103025428 B CN 103025428B
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- Prior art keywords
- catalyst
- titanium oxide
- high silica
- silica zeolites
- phosphoric acid
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- 239000003054 catalyst Substances 0.000 title claims abstract description 85
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010457 zeolite Substances 0.000 claims abstract description 27
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 25
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010936 titanium Substances 0.000 claims abstract description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 9
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 9
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011733 molybdenum Substances 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 9
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010937 tungsten Substances 0.000 claims abstract description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000005287 vanadyl group Chemical group 0.000 claims abstract description 6
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 3
- 238000001179 sorption measurement Methods 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 229910019142 PO4 Inorganic materials 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 229940085991 phosphate ion Drugs 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 14
- 230000006866 deterioration Effects 0.000 description 13
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 13
- 229910021536 Zeolite Inorganic materials 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000003053 toxin Substances 0.000 description 9
- 231100000765 toxin Toxicity 0.000 description 9
- 229910052785 arsenic Inorganic materials 0.000 description 7
- 239000003610 charcoal Substances 0.000 description 7
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000002028 Biomass Substances 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 3
- 239000011609 ammonium molybdate Substances 0.000 description 3
- 229940010552 ammonium molybdate Drugs 0.000 description 3
- 235000018660 ammonium molybdate Nutrition 0.000 description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 150000003112 potassium compounds Chemical class 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001495 arsenic compounds Chemical class 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
Description
催化剂 | 350℃脱硝率(%) | 400℃脱硝率(%) |
实施例1 | 75.5 | 76.4 |
实施例2 | 81.7 | 85.3 |
实施例3 | 79.5 | 82.1 |
实施例4 | 74.2 | 75.3 |
实施例5 | 64.9 | 69.2 |
实施例6 | 70.9 | 72.2 |
实施例7 | 76.1 | 78.1 |
比较例1 | 74.8 | 73.0 |
比较例2 | 81.5 | 81.5 |
比较例3 | 78.9 | 79.0 |
比较例4 | 72.0 | 71.7 |
比较例5 | 62.2 | 64.0 |
比较例6 | 70.6 | 71.3 |
比较例7 | 76.9 | 74.5 |
Claims (3)
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JP2010199925A JP5604235B2 (ja) | 2010-09-07 | 2010-09-07 | 排ガス脱硝触媒およびその製造方法 |
JP2010-199925 | 2010-09-07 | ||
PCT/JP2011/070129 WO2012033039A1 (ja) | 2010-09-07 | 2011-09-05 | 排ガス脱硝触媒およびその製造方法 |
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US8858907B2 (en) * | 2012-08-09 | 2014-10-14 | Exxonmobil Research And Engineering Company | Catalytic reduction of NOx with high activity catalysts with NH3 reductant |
DE102013015117A1 (de) * | 2013-09-12 | 2015-03-12 | Johnson Matthey Catalysts (Germany) Gmbh | Katalysator sowie Verfahren zur Stickoxidminderung in einem Abgas |
JP6627225B2 (ja) * | 2015-02-19 | 2020-01-08 | いすゞ自動車株式会社 | NOx選択還元触媒の劣化方法 |
CN106807393A (zh) * | 2017-01-12 | 2017-06-09 | 中国科学院兰州化学物理研究所 | 一种低温低so2氧化率蜂窝式脱硝催化剂及其制备方法 |
CN106824171A (zh) * | 2017-01-12 | 2017-06-13 | 中国科学院兰州化学物理研究所 | 一种宽工作温度抗硫蜂窝式脱硝催化剂及其制备方法 |
GB201716063D0 (en) | 2017-03-30 | 2017-11-15 | Johnson Matthey Plc | A catalyst for treating an exhaust gas, an exhaust system and a method |
GB201705279D0 (en) | 2017-03-31 | 2017-05-17 | Johnson Matthey Plc | Selective catalytic reduction catalyst |
GB201715663D0 (en) * | 2017-03-31 | 2017-11-08 | Johnson Matthey Plc | A Catalyst for treating an exhaust gas, an exhaust system and a method |
GB201705289D0 (en) | 2017-03-31 | 2017-05-17 | Johnson Matthey Catalysts (Germany) Gmbh | Selective catalytic reduction catalyst |
JP7489761B2 (ja) * | 2019-05-07 | 2024-05-24 | 株式会社キャタラー | アンモニア酸化触媒装置 |
CN112156630B (zh) * | 2020-10-10 | 2022-02-08 | 清华大学 | 一种500-900度脱硝增效方法 |
CN113750981A (zh) * | 2021-09-26 | 2021-12-07 | 北京市科学技术研究院城市安全与环境科学研究所 | 一种协同净化多种污染物的催化剂及其制备方法 |
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