JPH0331488B2 - - Google Patents
Info
- Publication number
- JPH0331488B2 JPH0331488B2 JP58205018A JP20501883A JPH0331488B2 JP H0331488 B2 JPH0331488 B2 JP H0331488B2 JP 58205018 A JP58205018 A JP 58205018A JP 20501883 A JP20501883 A JP 20501883A JP H0331488 B2 JPH0331488 B2 JP H0331488B2
- Authority
- JP
- Japan
- Prior art keywords
- sulfur dioxide
- absorbent
- gas
- sulfur
- steam
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 120
- 238000000034 method Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 26
- 230000002745 absorbent Effects 0.000 claims description 23
- 239000002250 absorbent Substances 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 13
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 12
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 230000003009 desulfurizing effect Effects 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- -1 bisulfite ions Chemical class 0.000 description 2
- 239000008366 buffered solution Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate 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
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/439,257 US4442083A (en) | 1982-11-04 | 1982-11-04 | Method of desulfurizing waste gases containing sulfur dioxide |
| US439257 | 1989-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5995921A JPS5995921A (ja) | 1984-06-02 |
| JPH0331488B2 true JPH0331488B2 ( ) | 1991-05-07 |
Family
ID=23743969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58205018A Granted JPS5995921A (ja) | 1982-11-04 | 1983-11-02 | 二酸化硫黄含有廃ガスの脱硫方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4442083A ( ) |
| EP (1) | EP0110457A1 ( ) |
| JP (1) | JPS5995921A ( ) |
| CA (1) | CA1213124A ( ) |
| MX (1) | MX168125B ( ) |
| NO (1) | NO834012L ( ) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1328561C (en) * | 1987-07-17 | 1994-04-19 | Toho Titanium Co., Ltd. | Method for producing metallic titanium and apparatus therefor |
| US5057298A (en) * | 1988-08-16 | 1991-10-15 | Pipco, Inc. | Process for recovery of sulfur values from a gas stream |
| US5366698A (en) * | 1989-12-05 | 1994-11-22 | The University Of Toronto, Innovations Foundation | Apparatus for effecting gas liquid contact |
| US5174973A (en) * | 1989-12-05 | 1992-12-29 | University Of Toronto Innovations Foundation | Method and apparatus for effecting gas-liquid contact |
| US5352421A (en) * | 1989-12-05 | 1994-10-04 | University Of Toronto Innovations Foundation | Method and apparatus for effecting gas-liquid contact |
| US5520818A (en) * | 1989-12-06 | 1996-05-28 | The University Of Toronto Innovations Foundation | Method for effecting gas-liquid contact |
| US5246471A (en) * | 1992-02-07 | 1993-09-21 | The Babcock & Wilcox Company | Method and apparatus for gas liquid contact |
| US5304361A (en) * | 1992-06-26 | 1994-04-19 | Union Carbide Chemicals & Plastics Technology Corporation | Removal of hydrogen sulfide |
| US5389351A (en) * | 1992-11-04 | 1995-02-14 | Hasebe; Nobuyasu | Method for desulfurizing a gas |
| US5500130A (en) * | 1994-11-29 | 1996-03-19 | The University Of Toronto Innovations Foundation And Apollo Environmental Systems Corp. | Method for effecting gas-liquid contact |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653812A (en) * | 1969-07-18 | 1972-04-04 | Wellman Lord Inc | Process for removal of sulfur dioxide from gas streams |
| FR2128955A5 ( ) * | 1971-03-09 | 1972-10-27 | Inst Francais Du Petrole | |
| US3911093A (en) * | 1971-10-18 | 1975-10-07 | Stauffer Chemical Co | Recovery of SO{HD 2 {B from waste gas emissions |
| US3969492A (en) * | 1973-10-29 | 1976-07-13 | U.S. Filter Corporation | Recovery of elemental sulfur from sulfur dioxide bearing waste gases |
| FR2306728A1 (fr) * | 1975-04-11 | 1976-11-05 | Inst Francais Du Petrole | Procede d'epuration de gaz contenant du dioxyde de soufre |
| SE405109B (sv) * | 1977-04-12 | 1978-11-20 | Svenska Flaektfabriken Ab | Forfarande for utvinning av koncentrerad svaveldioxid ur avgaser innehallande svaveldioxid |
| DE2824471C3 (de) * | 1978-06-03 | 1982-01-28 | Davy McKee AG, 6000 Frankfurt | Verfahren zur Gewinnung von Schwefel aus schwefelwasserstoffhaltigen Gasen |
-
1982
- 1982-11-04 US US06/439,257 patent/US4442083A/en not_active Expired - Lifetime
-
1983
- 1983-11-02 JP JP58205018A patent/JPS5995921A/ja active Granted
- 1983-11-03 MX MX199293A patent/MX168125B/es unknown
- 1983-11-03 CA CA000440329A patent/CA1213124A/en not_active Expired
- 1983-11-03 NO NO834012A patent/NO834012L/no unknown
- 1983-11-04 EP EP83201587A patent/EP0110457A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5995921A (ja) | 1984-06-02 |
| EP0110457A1 (en) | 1984-06-13 |
| US4442083A (en) | 1984-04-10 |
| NO834012L (no) | 1984-05-07 |
| MX168125B (es) | 1993-05-04 |
| CA1213124A (en) | 1986-10-28 |
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