CN103599816A - 一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 - Google Patents
一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 Download PDFInfo
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- CN103599816A CN103599816A CN201310578311.1A CN201310578311A CN103599816A CN 103599816 A CN103599816 A CN 103599816A CN 201310578311 A CN201310578311 A CN 201310578311A CN 103599816 A CN103599816 A CN 103599816A
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- China
- Prior art keywords
- cleaning
- cleaning agent
- calcium
- scr
- denitration catalyst
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- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 164
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 108
- 238000004140 cleaning Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract 2
- 239000008367 deionised water Substances 0.000 claims abstract description 32
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002738 chelating agent Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims abstract description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 30
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 29
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 230000005587 bubbling Effects 0.000 claims description 3
- 229960003330 pentetic acid Drugs 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 206010006966 Calcium intoxication Diseases 0.000 claims 12
- -1 diethyl pentetic acid Chemical compound 0.000 claims 2
- 229960001484 edetic acid Drugs 0.000 claims 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 18
- 238000002156 mixing Methods 0.000 abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011575 calcium Substances 0.000 description 48
- 229910052791 calcium Inorganic materials 0.000 description 46
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 39
- 208000005374 Poisoning Diseases 0.000 description 29
- 231100000572 poisoning Toxicity 0.000 description 28
- 230000000607 poisoning effect Effects 0.000 description 28
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 26
- 238000011069 regeneration method Methods 0.000 description 13
- 230000008929 regeneration Effects 0.000 description 12
- 229920005646 polycarboxylate Polymers 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 239000003599 detergent Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229910010413 TiO 2 Inorganic materials 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 5
- 239000001639 calcium acetate Substances 0.000 description 5
- 229960005147 calcium acetate Drugs 0.000 description 5
- 235000011092 calcium acetate Nutrition 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 208000008316 Arsenic Poisoning Diseases 0.000 description 1
- 206010008428 Chemical poisoning Diseases 0.000 description 1
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
- Detergent Compositions (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578311.1A CN103599816B (zh) | 2013-11-18 | 2013-11-18 | 一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578311.1A CN103599816B (zh) | 2013-11-18 | 2013-11-18 | 一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103599816A true CN103599816A (zh) | 2014-02-26 |
| CN103599816B CN103599816B (zh) | 2015-12-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310578311.1A Expired - Fee Related CN103599816B (zh) | 2013-11-18 | 2013-11-18 | 一种离线清洗钙中毒scr脱硝催化剂的清洗剂及清洗方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103599816B (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032504A (zh) * | 2015-06-25 | 2015-11-11 | 苏州西热节能环保技术有限公司 | 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 |
| CN105289758A (zh) * | 2015-10-20 | 2016-02-03 | 清华大学 | 一种用于钙中毒脱硝催化剂的高效螯合再生方法 |
| CN105311963A (zh) * | 2015-12-01 | 2016-02-10 | 苏州华乐大气污染控制科技发展有限公司 | Scr脱硝催化剂再生设备清洗处理装置 |
| CN108249479A (zh) * | 2018-03-09 | 2018-07-06 | 华电青岛环保技术有限公司 | 利用废弃scr脱硝催化剂提取二氧化钛的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107286A (zh) * | 1985-10-30 | 1987-09-16 | 切夫昂研究公司 | 采用氨基羧酸和盐对烃类原料进行脱钙的方法 |
| JPH0243956A (ja) * | 1988-08-03 | 1990-02-14 | Taiho Ind Co Ltd | 石炭燃焼時の脱硝触媒用洗浄剤 |
| US6241826B1 (en) * | 1998-07-06 | 2001-06-05 | Sas Sonderabfallservice Gmbh | Process for regenerating catalytic converters |
| CN103350004A (zh) * | 2013-08-02 | 2013-10-16 | 张权 | 一种scr脱硝催化剂的再生方法及用于scr脱硝催化剂再生液的混合物 |
-
2013
- 2013-11-18 CN CN201310578311.1A patent/CN103599816B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107286A (zh) * | 1985-10-30 | 1987-09-16 | 切夫昂研究公司 | 采用氨基羧酸和盐对烃类原料进行脱钙的方法 |
| JPH0243956A (ja) * | 1988-08-03 | 1990-02-14 | Taiho Ind Co Ltd | 石炭燃焼時の脱硝触媒用洗浄剤 |
| US6241826B1 (en) * | 1998-07-06 | 2001-06-05 | Sas Sonderabfallservice Gmbh | Process for regenerating catalytic converters |
| CN103350004A (zh) * | 2013-08-02 | 2013-10-16 | 张权 | 一种scr脱硝催化剂的再生方法及用于scr脱硝催化剂再生液的混合物 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032504A (zh) * | 2015-06-25 | 2015-11-11 | 苏州西热节能环保技术有限公司 | 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 |
| CN105289758A (zh) * | 2015-10-20 | 2016-02-03 | 清华大学 | 一种用于钙中毒脱硝催化剂的高效螯合再生方法 |
| CN105311963A (zh) * | 2015-12-01 | 2016-02-10 | 苏州华乐大气污染控制科技发展有限公司 | Scr脱硝催化剂再生设备清洗处理装置 |
| CN108249479A (zh) * | 2018-03-09 | 2018-07-06 | 华电青岛环保技术有限公司 | 利用废弃scr脱硝催化剂提取二氧化钛的方法 |
| CN108249479B (zh) * | 2018-03-09 | 2019-12-10 | 华电青岛环保技术有限公司 | 利用废弃scr脱硝催化剂提取二氧化钛的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103599816B (zh) | 2015-12-30 |
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Effective date of registration: 20170117 Address after: 100031 Beijing city Xicheng District Fuxingmen South Street No. 2 C Patentee after: Huaneng Power International,Inc. Patentee after: ZHUOZHOU XIRE ENVIRONMENTAL PROTECTION CATALYSTS Co.,Ltd. Patentee after: XI'AN TPRI BOILER & ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Patentee after: Xi'an Thermal Power Research Institute Co.,Ltd. Address before: 072750 Hebei city of Baoding province Zhuozhou city Zhuozhou Development Zone Yan Yi Road No. 18 Patentee before: ZHUOZHOU XIRE ENVIRONMENTAL PROTECTION CATALYSTS Co.,Ltd. Patentee before: XI'AN TPRI BOILER & ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Patentee before: Xi'an Thermal Power Research Institute Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20181118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |