JPS59127650A - 脱硝触媒の再生方法 - Google Patents
脱硝触媒の再生方法Info
- Publication number
- JPS59127650A JPS59127650A JP58002275A JP227583A JPS59127650A JP S59127650 A JPS59127650 A JP S59127650A JP 58002275 A JP58002275 A JP 58002275A JP 227583 A JP227583 A JP 227583A JP S59127650 A JPS59127650 A JP S59127650A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- hydrogen peroxide
- vanadium
- vanadium compound
- aqueous hydrogen
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 74
- 238000011069 regeneration method Methods 0.000 title description 5
- 230000008929 regeneration Effects 0.000 title description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 33
- 150000003682 vanadium compounds Chemical class 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 6
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 abstract description 15
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 4
- 238000010828 elution Methods 0.000 abstract description 4
- 230000002829 reductive effect Effects 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 231100000572 poisoning Toxicity 0.000 abstract description 2
- 230000000607 poisoning effect Effects 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 9
- 231100000614 poison Toxicity 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000002574 poison Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 229910001456 vanadium ion Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 229910000372 mercury(II) sulfate Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58002275A JPS59127650A (ja) | 1983-01-12 | 1983-01-12 | 脱硝触媒の再生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58002275A JPS59127650A (ja) | 1983-01-12 | 1983-01-12 | 脱硝触媒の再生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59127650A true JPS59127650A (ja) | 1984-07-23 |
| JPH0411257B2 JPH0411257B2 (enrdf_load_html_response) | 1992-02-27 |
Family
ID=11524810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58002275A Granted JPS59127650A (ja) | 1983-01-12 | 1983-01-12 | 脱硝触媒の再生方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59127650A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5314851A (en) * | 1992-11-06 | 1994-05-24 | Francis Huba | Reactivation of solid oxidation catalysts |
-
1983
- 1983-01-12 JP JP58002275A patent/JPS59127650A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5314851A (en) * | 1992-11-06 | 1994-05-24 | Francis Huba | Reactivation of solid oxidation catalysts |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411257B2 (enrdf_load_html_response) | 1992-02-27 |
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