JPS6251656B2 - - Google Patents
Info
- Publication number
- JPS6251656B2 JPS6251656B2 JP57208578A JP20857882A JPS6251656B2 JP S6251656 B2 JPS6251656 B2 JP S6251656B2 JP 57208578 A JP57208578 A JP 57208578A JP 20857882 A JP20857882 A JP 20857882A JP S6251656 B2 JPS6251656 B2 JP S6251656B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- concentration
- aqueous solution
- cleaning
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 claims description 47
- 238000004140 cleaning Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 22
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 150000007524 organic acids Chemical class 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 12
- 150000007522 mineralic acids Chemical class 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 33
- 230000000694 effects Effects 0.000 description 20
- 239000000243 solution Substances 0.000 description 19
- 231100000614 poison Toxicity 0.000 description 11
- 230000007096 poisonous effect Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57208578A JPS5998739A (ja) | 1982-11-30 | 1982-11-30 | 触媒の再生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57208578A JPS5998739A (ja) | 1982-11-30 | 1982-11-30 | 触媒の再生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5998739A JPS5998739A (ja) | 1984-06-07 |
| JPS6251656B2 true JPS6251656B2 (oth) | 1987-10-30 |
Family
ID=16558501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57208578A Granted JPS5998739A (ja) | 1982-11-30 | 1982-11-30 | 触媒の再生方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5998739A (oth) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4870217B2 (ja) * | 2009-07-10 | 2012-02-08 | 九電産業株式会社 | 排煙脱硝装置における脱硝触媒活性改良方法 |
| CN113083016B (zh) * | 2021-04-13 | 2023-04-25 | 合肥中亚环保科技有限公司 | 一种失效络合脱硝剂的再生工艺 |
-
1982
- 1982-11-30 JP JP57208578A patent/JPS5998739A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5998739A (ja) | 1984-06-07 |
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