JPH0468975B2 - - Google Patents
Info
- Publication number
- JPH0468975B2 JPH0468975B2 JP59278851A JP27885184A JPH0468975B2 JP H0468975 B2 JPH0468975 B2 JP H0468975B2 JP 59278851 A JP59278851 A JP 59278851A JP 27885184 A JP27885184 A JP 27885184A JP H0468975 B2 JPH0468975 B2 JP H0468975B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- tio
- activity
- denitrification
- titanium oxide
- 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 65
- 238000000034 method Methods 0.000 claims description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 5
- 239000002243 precursor Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000007580 dry-mixing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 22
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 14
- 238000001179 sorption measurement Methods 0.000 description 11
- 238000011282 treatment Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910010415 TiO(OH) Inorganic materials 0.000 description 3
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 3
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- OSYXMIHEWBABNJ-UHFFFAOYSA-N [Mo+2]=O.[O-2].[Ti+4].[O-2].[O-2] Chemical compound [Mo+2]=O.[O-2].[Ti+4].[O-2].[O-2] OSYXMIHEWBABNJ-UHFFFAOYSA-N 0.000 description 1
- ADUFBHYKXMWOSH-UHFFFAOYSA-N [O--].[O--].[Ti+4].[V+5] Chemical compound [O--].[O--].[Ti+4].[V+5] ADUFBHYKXMWOSH-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- -1 potassium (K) Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000003716 rejuvenation Effects 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
- 238000004065 wastewater treatment Methods 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 |
|---|---|---|---|
| JP59278851A JPS61153139A (ja) | 1984-12-27 | 1984-12-27 | 脱硝触媒の再生法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59278851A JPS61153139A (ja) | 1984-12-27 | 1984-12-27 | 脱硝触媒の再生法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61153139A JPS61153139A (ja) | 1986-07-11 |
| JPH0468975B2 true JPH0468975B2 (ko) | 1992-11-04 |
Family
ID=17603023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59278851A Granted JPS61153139A (ja) | 1984-12-27 | 1984-12-27 | 脱硝触媒の再生法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61153139A (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3389005B2 (ja) * | 1996-06-25 | 2003-03-24 | 三菱重工業株式会社 | 窒素酸化物除去触媒 |
| JP2006192344A (ja) * | 2005-01-12 | 2006-07-27 | Babcock Hitachi Kk | 脱硝触媒の再生方法および再生脱硝触媒 |
| JP5526369B2 (ja) * | 2009-04-20 | 2014-06-18 | バブコック日立株式会社 | 脱硝触媒の再生方法 |
| CN101921916B (zh) * | 2010-08-16 | 2014-05-28 | 华电电力科学研究院 | 从废烟气脱硝催化剂中回收金属氧化物的方法 |
| JP2014213293A (ja) * | 2013-04-26 | 2014-11-17 | バブコック日立株式会社 | 使用済み脱硝触媒の再生方法 |
| JP6441140B2 (ja) * | 2014-03-28 | 2018-12-19 | 日揮触媒化成株式会社 | 使用済み触媒を用いた酸化チタン系微粉末の製造方法および該粉末を用いた排ガス処理触媒の製造方法 |
| JP7451195B2 (ja) * | 2020-01-31 | 2024-03-18 | 三菱重工業株式会社 | 再生脱硝触媒の製造方法 |
-
1984
- 1984-12-27 JP JP59278851A patent/JPS61153139A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61153139A (ja) | 1986-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |