JP5701185B2 - 脱硝触媒のｓｏ２酸化率上昇低減方法 - Google Patents
脱硝触媒のｓｏ２酸化率上昇低減方法 Download PDFInfo
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- JP5701185B2 JP5701185B2 JP2011197361A JP2011197361A JP5701185B2 JP 5701185 B2 JP5701185 B2 JP 5701185B2 JP 2011197361 A JP2011197361 A JP 2011197361A JP 2011197361 A JP2011197361 A JP 2011197361A JP 5701185 B2 JP5701185 B2 JP 5701185B2
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- Prior art keywords
- denitration catalyst
- catalyst
- aqueous solution
- oxidation rate
- denitration
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- 239000003054 catalyst Substances 0.000 title claims description 157
- 230000003647 oxidation Effects 0.000 title claims description 40
- 238000007254 oxidation reaction Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 37
- 239000007864 aqueous solution Substances 0.000 claims description 51
- 239000003513 alkali Substances 0.000 claims description 36
- 239000010936 titanium Substances 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 21
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 19
- 150000003377 silicon compounds Chemical class 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 14
- 238000011069 regeneration method Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 238000004453 electron probe microanalysis Methods 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 7
- 239000011260 aqueous acid Substances 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 7
- 238000010894 electron beam technology Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 50
- 239000000377 silicon dioxide Substances 0.000 description 25
- 238000001994 activation Methods 0.000 description 14
- 230000004913 activation Effects 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 229910052720 vanadium Inorganic materials 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
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- 230000000694 effects Effects 0.000 description 4
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- 230000002401 inhibitory effect Effects 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229940095564 anhydrous calcium sulfate Drugs 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 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 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- YOUIDGQAIILFBW-UHFFFAOYSA-J tetrachlorotungsten Chemical compound Cl[W](Cl)(Cl)Cl YOUIDGQAIILFBW-UHFFFAOYSA-J 0.000 description 1
- 150000003658 tungsten compounds Chemical class 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 1
- 229940041260 vanadyl sulfate Drugs 0.000 description 1
- 229910000352 vanadyl sulfate Inorganic materials 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Images
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/20—Regeneration or reactivation
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- 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
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- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
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- B01J38/00—Regeneration or reactivation of catalysts, in general
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- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/64—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline material; using salts
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- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011197361A JP5701185B2 (ja) | 2011-09-09 | 2011-09-09 | 脱硝触媒のｓｏ２酸化率上昇低減方法 |
| US13/555,601 US8722559B2 (en) | 2011-09-09 | 2012-07-23 | Method of suppressing increase in SO2 oxidation rate of NOx removal catalyst |
| CA2847671A CA2847671C (en) | 2011-09-09 | 2012-09-05 | Method for suppressing increase in so2 oxidation rate of nox removal catalyst |
| US14/342,862 US9272265B2 (en) | 2011-09-09 | 2012-09-05 | Method for suppressing increase in SO2 oxidation rate of NOx removal catalyst |
| EP20120829934 EP2764917A4 (en) | 2011-09-09 | 2012-09-05 | METHOD FOR REDUCING THE INCREASE IN THE SO2 OXIDATION RATIO OF A DISINTEGRATION CATALYST |
| PCT/JP2012/072622 WO2013035743A1 (ja) | 2011-09-09 | 2012-09-05 | 脱硝触媒のｓｏ2酸化率上昇低減方法 |
| CN201280042765.0A CN103781549B (zh) | 2011-09-09 | 2012-09-05 | 减小脱硝催化剂的so2氧化率升高的方法 |
| TW101132735A TWI498163B (zh) | 2011-09-09 | 2012-09-07 | Reduce the SO catalyst 2 Oxidation rate rise method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011197361A JP5701185B2 (ja) | 2011-09-09 | 2011-09-09 | 脱硝触媒のｓｏ２酸化率上昇低減方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013056319A JP2013056319A (ja) | 2013-03-28 |
| JP2013056319A5 JP2013056319A5 (https=) | 2014-04-10 |
| JP5701185B2 true JP5701185B2 (ja) | 2015-04-15 |
Family
ID=47830370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011197361A Active JP5701185B2 (ja) | 2011-09-09 | 2011-09-09 | 脱硝触媒のｓｏ２酸化率上昇低減方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US8722559B2 (https=) |
| EP (1) | EP2764917A4 (https=) |
| JP (1) | JP5701185B2 (https=) |
| CN (1) | CN103781549B (https=) |
| CA (1) | CA2847671C (https=) |
| TW (1) | TWI498163B (https=) |
| WO (1) | WO2013035743A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8951487B2 (en) | 2010-10-25 | 2015-02-10 | ADA-ES, Inc. | Hot-side method and system |
| US8496894B2 (en) | 2010-02-04 | 2013-07-30 | ADA-ES, Inc. | Method and system for controlling mercury emissions from coal-fired thermal processes |
| US11298657B2 (en) | 2010-10-25 | 2022-04-12 | ADA-ES, Inc. | Hot-side method and system |
| US8845986B2 (en) | 2011-05-13 | 2014-09-30 | ADA-ES, Inc. | Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers |
| JP5701185B2 (ja) * | 2011-09-09 | 2015-04-15 | 三菱重工業株式会社 | 脱硝触媒のｓｏ２酸化率上昇低減方法 |
| US9101877B2 (en) * | 2012-02-13 | 2015-08-11 | Siemens Energy, Inc. | Selective catalytic reduction system and process for control of NOx emissions in a sulfur-containing gas stream |
| US8883099B2 (en) | 2012-04-11 | 2014-11-11 | ADA-ES, Inc. | Control of wet scrubber oxidation inhibitor and byproduct recovery |
| US9957454B2 (en) | 2012-08-10 | 2018-05-01 | ADA-ES, Inc. | Method and additive for controlling nitrogen oxide emissions |
| CN104028315A (zh) * | 2014-06-03 | 2014-09-10 | 陈凯 | 一种硫中毒选择性催化还原脱硝催化剂的再生方法 |
| CN104028317A (zh) * | 2014-06-03 | 2014-09-10 | 陈凯 | 一种磷中毒选择性催化还原脱硝催化剂的再生方法 |
| JP6424680B2 (ja) * | 2015-03-04 | 2018-11-21 | 中国電力株式会社 | 脱硝触媒の再生方法 |
| JP6245405B2 (ja) * | 2015-07-31 | 2017-12-13 | 中国電力株式会社 | 脱硝触媒の劣化評価方法 |
| JP6833494B2 (ja) * | 2016-12-15 | 2021-02-24 | 三菱パワー株式会社 | 燃焼排ガスからＮＯｘを除去するための触媒および方法 |
| JP7093971B2 (ja) * | 2017-02-17 | 2022-07-01 | 学校法人早稲田大学 | 担持触媒および炭素ナノ構造体の製造方法 |
| CN112473650B (zh) * | 2019-09-12 | 2024-04-09 | 国家能源投资集团有限责任公司 | 一种脱硝催化剂及其制备方法 |
| JP7451195B2 (ja) | 2020-01-31 | 2024-03-18 | 三菱重工業株式会社 | 再生脱硝触媒の製造方法 |
| CN111639782B (zh) * | 2020-04-15 | 2022-06-07 | 华电电力科学研究院有限公司 | 一种燃煤电厂scr脱硝装置so2/so3转化率预测方法 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038037A (ja) | 1983-08-11 | 1985-02-27 | Nippon Shokubai Kagaku Kogyo Co Ltd | 脱硝触媒の再生法 |
| JPH0714486B2 (ja) * | 1986-04-11 | 1995-02-22 | 川崎重工業株式会社 | 触媒の乾式再生方法 |
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| JP4440579B2 (ja) * | 2003-09-04 | 2010-03-24 | バブコック日立株式会社 | 脱硝触媒の再生方法 |
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| JP4644634B2 (ja) * | 2006-06-13 | 2011-03-02 | エヌ・イーケムキャット株式会社 | 脱硝触媒組成物、一体構造型脱硝触媒、及びそれを用いた脱硝方法 |
| JP4824516B2 (ja) * | 2006-09-28 | 2011-11-30 | バブコック日立株式会社 | 排ガス中の窒素酸化物除去用触媒の製造方法 |
| JP5701185B2 (ja) * | 2011-09-09 | 2015-04-15 | 三菱重工業株式会社 | 脱硝触媒のｓｏ２酸化率上昇低減方法 |
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|---|---|
| EP2764917A4 (en) | 2015-04-29 |
| CA2847671C (en) | 2016-10-11 |
| US20130065750A1 (en) | 2013-03-14 |
| CA2847671A1 (en) | 2013-03-14 |
| US9272265B2 (en) | 2016-03-01 |
| TW201330931A (zh) | 2013-08-01 |
| WO2013035743A1 (ja) | 2013-03-14 |
| TWI498163B (zh) | 2015-09-01 |
| CN103781549A (zh) | 2014-05-07 |
| US20140213429A1 (en) | 2014-07-31 |
| JP2013056319A (ja) | 2013-03-28 |
| EP2764917A1 (en) | 2014-08-13 |
| US8722559B2 (en) | 2014-05-13 |
| CN103781549B (zh) | 2016-05-04 |
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