CN108031466A - 兼具抗砷中毒和宽活性温度窗口的低so2氧化率scr脱硝催化剂及其制备方法 - Google Patents
兼具抗砷中毒和宽活性温度窗口的低so2氧化率scr脱硝催化剂及其制备方法 Download PDFInfo
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- CN108031466A CN108031466A CN201711121499.1A CN201711121499A CN108031466A CN 108031466 A CN108031466 A CN 108031466A CN 201711121499 A CN201711121499 A CN 201711121499A CN 108031466 A CN108031466 A CN 108031466A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 41
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 26
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- 230000003647 oxidation Effects 0.000 claims description 38
- 239000002243 precursor Substances 0.000 claims description 26
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 23
- 239000003607 modifier Substances 0.000 claims description 23
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 23
- 239000011863 silicon-based powder Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 14
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical compound [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 claims description 2
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 claims description 2
- 229940041260 vanadyl sulfate Drugs 0.000 claims description 2
- 229910000352 vanadyl sulfate Inorganic materials 0.000 claims description 2
- 230000003993 interaction Effects 0.000 abstract description 6
- 238000006213 oxygenation reaction Methods 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
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- 229910052785 arsenic Inorganic materials 0.000 description 6
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 229910008479 TiSi2 Inorganic materials 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 208000005374 Poisoning Diseases 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 150000001495 arsenic compounds Chemical class 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000009472 formulation Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229940093920 gynecological arsenic compound Drugs 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide 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
- B01J23/16—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
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
-
- 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
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (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
Description
Claims (10)
Priority Applications (1)
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CN201711121499.1A CN108031466A (zh) | 2017-11-14 | 2017-11-14 | 兼具抗砷中毒和宽活性温度窗口的低so2氧化率scr脱硝催化剂及其制备方法 |
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CN201711121499.1A CN108031466A (zh) | 2017-11-14 | 2017-11-14 | 兼具抗砷中毒和宽活性温度窗口的低so2氧化率scr脱硝催化剂及其制备方法 |
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CN108031466A true CN108031466A (zh) | 2018-05-15 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108993523A (zh) * | 2018-08-13 | 2018-12-14 | 清华大学盐城环境工程技术研发中心 | 一种中低温脱硝协同脱汞催化剂制备工艺 |
CN109603814A (zh) * | 2019-01-10 | 2019-04-12 | 中国华电科工集团有限公司 | 一种抗砷抗碱金属中毒的scr脱硝催化剂及其制备方法 |
CN110694640A (zh) * | 2019-10-22 | 2020-01-17 | 邢台旭阳科技有限公司 | 一种耐水耐硫脱硝催化剂及其制备方法 |
CN111167437A (zh) * | 2020-01-09 | 2020-05-19 | 华侨大学 | 一种蜂窝状促abs分解的低温钒钛基scr脱硝催化剂及其制备方法 |
CN114377683A (zh) * | 2022-01-25 | 2022-04-22 | 大唐南京环保科技有限责任公司 | 一种抗砷中毒脱硝催化剂及其制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1060002A1 (de) * | 1998-02-16 | 2000-12-20 | Siemens Aktiengesellschaft | Katalysator und verfahren zur abgasreinigung |
CN101676024A (zh) * | 2008-09-17 | 2010-03-24 | 晶锐瓷业(北京)有限公司 | 一种蜂窝状氨法选择性催化还原脱硝催化剂及其制备方法 |
CN102861595A (zh) * | 2012-09-20 | 2013-01-09 | 浙江天蓝环保技术股份有限公司 | 一种用于低温烟气脱硝的蜂窝状scr脱硝催化剂及其制备方法 |
CN103623808A (zh) * | 2013-12-10 | 2014-03-12 | 柳景惠 | 一种scr催化剂及其制备方法 |
CN106268770A (zh) * | 2015-07-07 | 2017-01-04 | 中国科学院过程工程研究所 | 一种基于偏钛酸的烟气脱硝催化剂的制备方法 |
CN106622284A (zh) * | 2016-12-05 | 2017-05-10 | 清华大学 | 一种可用于再生产的废弃钒钛基scr催化剂回收利用工艺 |
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 |
CN106984300A (zh) * | 2017-05-26 | 2017-07-28 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂及其制备方法和用途 |
-
2017
- 2017-11-14 CN CN201711121499.1A patent/CN108031466A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1060002A1 (de) * | 1998-02-16 | 2000-12-20 | Siemens Aktiengesellschaft | Katalysator und verfahren zur abgasreinigung |
CN101676024A (zh) * | 2008-09-17 | 2010-03-24 | 晶锐瓷业(北京)有限公司 | 一种蜂窝状氨法选择性催化还原脱硝催化剂及其制备方法 |
CN102861595A (zh) * | 2012-09-20 | 2013-01-09 | 浙江天蓝环保技术股份有限公司 | 一种用于低温烟气脱硝的蜂窝状scr脱硝催化剂及其制备方法 |
CN103623808A (zh) * | 2013-12-10 | 2014-03-12 | 柳景惠 | 一种scr催化剂及其制备方法 |
CN106268770A (zh) * | 2015-07-07 | 2017-01-04 | 中国科学院过程工程研究所 | 一种基于偏钛酸的烟气脱硝催化剂的制备方法 |
CN106622284A (zh) * | 2016-12-05 | 2017-05-10 | 清华大学 | 一种可用于再生产的废弃钒钛基scr催化剂回收利用工艺 |
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 |
CN106984300A (zh) * | 2017-05-26 | 2017-07-28 | 中国科学院生态环境研究中心 | 一种钒钛氧化物催化剂及其制备方法和用途 |
Non-Patent Citations (1)
Title |
---|
MOTONOBU KOBAYASHI: "Low temperature selective catalytic reduction of NO by NH3 over V2O5 supported on TiO2–SiO2–MoO3", 《CATALYSIS LETTERS》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108993523A (zh) * | 2018-08-13 | 2018-12-14 | 清华大学盐城环境工程技术研发中心 | 一种中低温脱硝协同脱汞催化剂制备工艺 |
CN109603814A (zh) * | 2019-01-10 | 2019-04-12 | 中国华电科工集团有限公司 | 一种抗砷抗碱金属中毒的scr脱硝催化剂及其制备方法 |
CN109603814B (zh) * | 2019-01-10 | 2021-11-09 | 中国华电科工集团有限公司 | 一种抗砷抗碱金属中毒的scr脱硝催化剂及其制备方法 |
CN110694640A (zh) * | 2019-10-22 | 2020-01-17 | 邢台旭阳科技有限公司 | 一种耐水耐硫脱硝催化剂及其制备方法 |
CN111167437A (zh) * | 2020-01-09 | 2020-05-19 | 华侨大学 | 一种蜂窝状促abs分解的低温钒钛基scr脱硝催化剂及其制备方法 |
CN114377683A (zh) * | 2022-01-25 | 2022-04-22 | 大唐南京环保科技有限责任公司 | 一种抗砷中毒脱硝催化剂及其制备方法 |
CN114377683B (zh) * | 2022-01-25 | 2023-11-14 | 大唐南京环保科技有限责任公司 | 一种抗砷中毒脱硝催化剂及其制备方法 |
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