CN105032504B - 一种用于清洗scr脱硝催化剂中的积灰的清洗剂、清洗方法及清洗剂的应用 - Google Patents
一种用于清洗scr脱硝催化剂中的积灰的清洗剂、清洗方法及清洗剂的应用 Download PDFInfo
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- CN105032504B CN105032504B CN201510355887.0A CN201510355887A CN105032504B CN 105032504 B CN105032504 B CN 105032504B CN 201510355887 A CN201510355887 A CN 201510355887A CN 105032504 B CN105032504 B CN 105032504B
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- cleaning
- cleaning agents
- cleaning agent
- scr denitration
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- 238000004140 cleaning Methods 0.000 title claims abstract description 66
- 239000000428 dust Substances 0.000 title claims abstract description 33
- 238000013517 stratification Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 19
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 17
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229960001484 edetic acid Drugs 0.000 claims abstract description 17
- 235000019253 formic acid Nutrition 0.000 claims abstract description 17
- 230000002779 inactivation Effects 0.000 claims description 28
- 238000001354 calcination Methods 0.000 claims description 7
- 230000005587 bubbling Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 22
- 239000003546 flue gas Substances 0.000 abstract description 22
- 230000000903 blocking effect Effects 0.000 abstract description 6
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- 206010008428 Chemical poisoning Diseases 0.000 abstract description 4
- 231100000614 poison Toxicity 0.000 abstract description 4
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- 238000011084 recovery Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
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- 238000010612 desalination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
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Claims (9)
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CN201510355887.0A CN105032504B (zh) | 2015-06-25 | 2015-06-25 | 一种用于清洗scr脱硝催化剂中的积灰的清洗剂、清洗方法及清洗剂的应用 |
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CN201510355887.0A CN105032504B (zh) | 2015-06-25 | 2015-06-25 | 一种用于清洗scr脱硝催化剂中的积灰的清洗剂、清洗方法及清洗剂的应用 |
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CN105032504A CN105032504A (zh) | 2015-11-11 |
CN105032504B true CN105032504B (zh) | 2017-09-01 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109439449A (zh) * | 2018-10-23 | 2019-03-08 | 武汉布朗环境能源有限公司 | 一种柴油车scr尾气后处理系统清洗剂 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20080114051A (ko) * | 2007-06-26 | 2008-12-31 | 한국전력공사 | 배연탈질 폐촉매의 재생 방법 및 그에 이용되는 배연탈질폐촉매의 세정 시간 결정 방법 |
KR101446142B1 (ko) * | 2013-08-01 | 2014-10-06 | 주식회사 아주엔비씨 | Scr 촉매의 세미-인시츄 재생방법 |
CN103599816B (zh) * | 2013-11-18 | 2015-12-30 | 涿州西热环保催化剂有限公司 | 一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 |
CN104722206A (zh) * | 2015-03-19 | 2015-06-24 | 南京宇行环保科技有限公司 | 一种失活scr脱硝催化剂的再生方法 |
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Application publication date: 20151111 Assignee: Anhui Bolande Environmental Protection Technology Co.,Ltd. Assignor: SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Contract record no.: X2023110000151 Denomination of invention: A cleaning agent, cleaning method, and application of cleaning agent for cleaning accumulated ash in SCR denitrification catalyst Granted publication date: 20170901 License type: Common License Record date: 20231208 Application publication date: 20151111 Assignee: HENAN GREENWATER ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Assignor: SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Contract record no.: X2023110000150 Denomination of invention: A cleaning agent, cleaning method, and application of cleaning agent for cleaning accumulated ash in SCR denitrification catalyst Granted publication date: 20170901 License type: Common License Record date: 20231208 |
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Application publication date: 20151111 Assignee: Shandong Ruikelin Environmental Protection Technology Co.,Ltd. Assignor: SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Contract record no.: X2023110000152 Denomination of invention: A cleaning agent, cleaning method, and application of cleaning agent for cleaning accumulated ash in SCR denitrification catalyst Granted publication date: 20170901 License type: Common License Record date: 20231211 |
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