JPH0421545B2 - - Google Patents
Info
- Publication number
- JPH0421545B2 JPH0421545B2 JP59065268A JP6526884A JPH0421545B2 JP H0421545 B2 JPH0421545 B2 JP H0421545B2 JP 59065268 A JP59065268 A JP 59065268A JP 6526884 A JP6526884 A JP 6526884A JP H0421545 B2 JPH0421545 B2 JP H0421545B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- tungsten
- titania
- oxidation
- oxalic acid
- 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 - Lifetime
Links
- 239000003054 catalyst Substances 0.000 claims description 62
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 54
- 238000007254 oxidation reaction Methods 0.000 claims description 32
- 230000003647 oxidation Effects 0.000 claims description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 25
- 235000006408 oxalic acid Nutrition 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 150000003658 tungsten compounds Chemical class 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 17
- 229910052720 vanadium Inorganic materials 0.000 description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 14
- 238000010828 elution Methods 0.000 description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 10
- 229910052721 tungsten Inorganic materials 0.000 description 10
- 239000010937 tungsten Substances 0.000 description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 150000003682 vanadium compounds Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 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 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- -1 mirabilite Chemical class 0.000 description 2
- 239000010446 mirabilite Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical compound [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011866 long-term treatment Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59065268A JPS60209251A (ja) | 1984-04-03 | 1984-04-03 | 脱硝触媒の再生法 |
| EP85730044A EP0161206A3 (en) | 1984-04-03 | 1985-03-25 | Method for regenerating a denitration catalyst |
| US06/719,163 US4615991A (en) | 1984-04-03 | 1985-04-02 | Method for recovering denitrating catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59065268A JPS60209251A (ja) | 1984-04-03 | 1984-04-03 | 脱硝触媒の再生法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60209251A JPS60209251A (ja) | 1985-10-21 |
| JPH0421545B2 true JPH0421545B2 (US07655688-20100202-C00086.png) | 1992-04-10 |
Family
ID=13282002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59065268A Granted JPS60209251A (ja) | 1984-04-03 | 1984-04-03 | 脱硝触媒の再生法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60209251A (US07655688-20100202-C00086.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857949A (zh) * | 2015-04-24 | 2015-08-26 | 江苏龙源催化剂有限公司 | 一种间接再生脱硝催化剂的制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5089264A (US07655688-20100202-C00086.png) * | 1973-12-12 | 1975-07-17 | ||
| JPS5410294A (en) * | 1977-06-27 | 1979-01-25 | Mitsubishi Chem Ind Ltd | Regenerating method for used vanadium-titania catalyst |
| JPS57184033A (en) * | 1981-05-08 | 1982-11-12 | Canon Inc | Sheet feeder |
| JPS58193733A (ja) * | 1982-05-07 | 1983-11-11 | Hitachi Zosen Corp | 高温用脱硝触媒 |
-
1984
- 1984-04-03 JP JP59065268A patent/JPS60209251A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5089264A (US07655688-20100202-C00086.png) * | 1973-12-12 | 1975-07-17 | ||
| JPS5410294A (en) * | 1977-06-27 | 1979-01-25 | Mitsubishi Chem Ind Ltd | Regenerating method for used vanadium-titania catalyst |
| JPS57184033A (en) * | 1981-05-08 | 1982-11-12 | Canon Inc | Sheet feeder |
| JPS58193733A (ja) * | 1982-05-07 | 1983-11-11 | Hitachi Zosen Corp | 高温用脱硝触媒 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857949A (zh) * | 2015-04-24 | 2015-08-26 | 江苏龙源催化剂有限公司 | 一种间接再生脱硝催化剂的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60209251A (ja) | 1985-10-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |