JPH0417701B2 - - Google Patents
Info
- Publication number
- JPH0417701B2 JPH0417701B2 JP59066794A JP6679484A JPH0417701B2 JP H0417701 B2 JPH0417701 B2 JP H0417701B2 JP 59066794 A JP59066794 A JP 59066794A JP 6679484 A JP6679484 A JP 6679484A JP H0417701 B2 JPH0417701 B2 JP H0417701B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- performance
- tio
- present
- catalysts
- 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 47
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 238000010304 firing Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59066794A JPS60212238A (ja) | 1984-04-05 | 1984-04-05 | アンモニア接触還元脱硝触媒の再生法 |
| EP85730046A EP0159959B1 (en) | 1984-04-05 | 1985-03-28 | Method for recovering denitrating catalyst for ammonia catalytic reduction |
| DE8585730046T DE3585174D1 (de) | 1984-04-05 | 1985-03-28 | Verfahren zum regenerieren eines denitrierkatalysators fuer die katalytische reduktion mit ammoniak. |
| AT85730046T ATE71556T1 (de) | 1984-04-05 | 1985-03-28 | Verfahren zum regenerieren eines denitrierkatalysators fuer die katalytische reduktion mit ammoniak. |
| US06/719,304 US4656147A (en) | 1984-04-05 | 1985-04-03 | Method for recovering denitrating catalyst for ammonia catalytic reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59066794A JPS60212238A (ja) | 1984-04-05 | 1984-04-05 | アンモニア接触還元脱硝触媒の再生法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60212238A JPS60212238A (ja) | 1985-10-24 |
| JPH0417701B2 true JPH0417701B2 (ko) | 1992-03-26 |
Family
ID=13326124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59066794A Granted JPS60212238A (ja) | 1984-04-05 | 1984-04-05 | アンモニア接触還元脱硝触媒の再生法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60212238A (ko) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142070A (ko) * | 1974-10-09 | 1976-04-09 | Mitsubishi Chem Ind | |
| JPS5227091A (en) * | 1975-08-27 | 1977-03-01 | Kobe Steel Ltd | Reproduction process of catalyst for removing nitrogen oxides in waste gas |
| JPS58247A (ja) * | 1981-06-26 | 1983-01-05 | Ngk Insulators Ltd | 脱硝触媒の再生法 |
-
1984
- 1984-04-05 JP JP59066794A patent/JPS60212238A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142070A (ko) * | 1974-10-09 | 1976-04-09 | Mitsubishi Chem Ind | |
| JPS5227091A (en) * | 1975-08-27 | 1977-03-01 | Kobe Steel Ltd | Reproduction process of catalyst for removing nitrogen oxides in waste gas |
| JPS58247A (ja) * | 1981-06-26 | 1983-01-05 | Ngk Insulators Ltd | 脱硝触媒の再生法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60212238A (ja) | 1985-10-24 |
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