JPH0140875B2 - - Google Patents
Info
- Publication number
- JPH0140875B2 JPH0140875B2 JP55008478A JP847880A JPH0140875B2 JP H0140875 B2 JPH0140875 B2 JP H0140875B2 JP 55008478 A JP55008478 A JP 55008478A JP 847880 A JP847880 A JP 847880A JP H0140875 B2 JPH0140875 B2 JP H0140875B2
- Authority
- JP
- Japan
- Prior art keywords
- tower
- absorption
- ammonia
- absorption liquid
- pressure
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 69
- 239000007789 gas Substances 0.000 claims description 56
- 238000010521 absorption reaction Methods 0.000 claims description 52
- 229910021529 ammonia Inorganic materials 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 29
- 230000002378 acidificating effect Effects 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- 239000000571 coke Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 12
- 239000010842 industrial wastewater Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 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
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Industrial Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847880A JPS56104994A (en) | 1980-01-28 | 1980-01-28 | Production of purified coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847880A JPS56104994A (en) | 1980-01-28 | 1980-01-28 | Production of purified coke oven gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56104994A JPS56104994A (en) | 1981-08-21 |
| JPH0140875B2 true JPH0140875B2 (US20100223739A1-20100909-C00025.png) | 1989-08-31 |
Family
ID=11694212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP847880A Granted JPS56104994A (en) | 1980-01-28 | 1980-01-28 | Production of purified coke oven gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56104994A (US20100223739A1-20100909-C00025.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198694A (ja) * | 1987-10-12 | 1989-04-17 | Mitsubishi Kakoki Kaisha Ltd | コークス炉ガスの脱硫における最適化制御方法 |
| JP2006232904A (ja) * | 2005-02-23 | 2006-09-07 | Hitachi Ltd | 石炭ガス化システムのガス精製方法 |
| EP2014347A1 (en) * | 2007-07-03 | 2009-01-14 | ALSTOM Technology Ltd | Removal of carbon dioxide from flue gas |
| JP5501730B2 (ja) | 2009-10-22 | 2014-05-28 | 三菱重工業株式会社 | アンモニア回収装置及び回収方法 |
| JP5751892B2 (ja) * | 2011-03-31 | 2015-07-22 | 日揮株式会社 | ガス処理方法、及びガス処理装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53145807A (en) * | 1977-05-25 | 1978-12-19 | Mitsubishi Chem Ind Ltd | Production of purified coke oven gas |
-
1980
- 1980-01-28 JP JP847880A patent/JPS56104994A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53145807A (en) * | 1977-05-25 | 1978-12-19 | Mitsubishi Chem Ind Ltd | Production of purified coke oven gas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56104994A (en) | 1981-08-21 |
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