CA1097477A - Process for separating so.sub.2 from a current of gas, with production of sulphuric acid by the nitric oxide process - Google Patents
Process for separating so.sub.2 from a current of gas, with production of sulphuric acid by the nitric oxide processInfo
- Publication number
- CA1097477A CA1097477A CA247,335A CA247335A CA1097477A CA 1097477 A CA1097477 A CA 1097477A CA 247335 A CA247335 A CA 247335A CA 1097477 A CA1097477 A CA 1097477A
- Authority
- CA
- Canada
- Prior art keywords
- zone
- acid
- gas
- denitration
- volume
- 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
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 121
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 72
- 230000008569 process Effects 0.000 title claims abstract description 70
- 235000011149 sulphuric acid Nutrition 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000001117 sulphuric acid Substances 0.000 title abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 145
- 239000002253 acid Substances 0.000 claims abstract description 136
- 238000010521 absorption reaction Methods 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 36
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229940036051 sojourn Drugs 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 235000019391 nitrogen oxide Nutrition 0.000 claims 11
- 229960005419 nitrogen Drugs 0.000 claims 6
- 208000036366 Sensation of pressure Diseases 0.000 claims 2
- 238000004090 dissolution Methods 0.000 claims 2
- 238000007865 diluting Methods 0.000 claims 1
- 230000009102 absorption Effects 0.000 description 24
- 238000009434 installation Methods 0.000 description 13
- 241000196324 Embryophyta Species 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- HAAITRDZHUANGT-UHFFFAOYSA-N 1-[2-[(7-chloro-1-benzothiophen-3-yl)methoxy]-2-(2,4-dichlorophenyl)ethyl]imidazole;nitric acid Chemical compound O[N+]([O-])=O.ClC1=CC(Cl)=CC=C1C(OCC=1C2=CC=CC(Cl)=C2SC=1)CN1C=NC=C1 HAAITRDZHUANGT-UHFFFAOYSA-N 0.000 description 1
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229940099990 ogen Drugs 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- SYOKIDBDQMKNDQ-XWTIBIIYSA-N vildagliptin Chemical compound C1C(O)(C2)CC(C3)CC1CC32NCC(=O)N1CCC[C@H]1C#N SYOKIDBDQMKNDQ-XWTIBIIYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000010626 work up procedure Methods 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/82—Preparation of sulfuric acid using a nitrogen oxide process
- C01B17/86—Tower process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3000/75 | 1975-03-10 | ||
| CH300075 | 1975-03-10 | ||
| DE19752510294 DE2510294A1 (de) | 1975-03-10 | 1975-03-10 | Verfahren zum abtrennen von so tief 2 aus gasstroemen unter gewinnung von schwefelsaeure nach dem stickoxid-verfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1097477A true CA1097477A (en) | 1981-03-17 |
Family
ID=25691914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA247,335A Expired CA1097477A (en) | 1975-03-10 | 1976-03-08 | Process for separating so.sub.2 from a current of gas, with production of sulphuric acid by the nitric oxide process |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS51112795A (cs) |
| AU (1) | AU505882B2 (cs) |
| BE (1) | BE839345A (cs) |
| BR (1) | BR7601423A (cs) |
| CA (1) | CA1097477A (cs) |
| DD (1) | DD126392A5 (cs) |
| DE (2) | DE2510294A1 (cs) |
| FI (1) | FI760585A7 (cs) |
| FR (1) | FR2303760A1 (cs) |
| GB (1) | GB1538113A (cs) |
| LU (1) | LU74502A1 (cs) |
| SE (1) | SE416798B (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830215A1 (de) * | 1977-07-21 | 1979-02-22 | Ciba Geigy Ag | Verfahren zum abtrennen von so tief 2 |
| DE2830214A1 (de) * | 1977-07-21 | 1979-02-08 | Ciba Geigy Ag | Verfahren zum abtrennen von so tief 2 aus einem gasstrom und anlage zur durchfuehrung des verfahrens |
| JPS5564825A (en) * | 1978-11-07 | 1980-05-15 | Sumitomo Metal Mining Co Ltd | Treating method for lean waste gas containing sulfurous acid gas |
| EP0191725A3 (de) * | 1985-01-16 | 1989-11-02 | Ciba-Geigy Ag | Verfahren zur Abscheidung von Schwefeldioxid aus Gasen und zur Gewinnung von konzentrierter Schwefelsäure |
| ES2006971A6 (es) * | 1988-06-07 | 1989-05-16 | Union Explosivos Rio Tinto | Procedimiento e instalacion para la recuperacion de oxidos de nitrogeno procedentes de plantas industriales. |
| DE4127075A1 (de) * | 1991-08-16 | 1993-02-18 | Nymic Anstalt | Verfahren zum reinigen von belasteten abgasen von verbrennungsanlagen |
| DE10050526A1 (de) * | 2000-10-11 | 2002-04-25 | Sachtleben Chemie Gmbh | Verfahren zur Entfernung von Nitrosylschwefelsäure aus dem Schwefelsäureprozess |
-
1975
- 1975-03-10 DE DE19752510294 patent/DE2510294A1/de active Pending
-
1976
- 1976-02-26 SE SE7602528A patent/SE416798B/xx unknown
- 1976-03-08 DE DE19762609505 patent/DE2609505A1/de not_active Withdrawn
- 1976-03-08 CA CA247,335A patent/CA1097477A/en not_active Expired
- 1976-03-08 LU LU74502A patent/LU74502A1/xx unknown
- 1976-03-08 FI FI760585A patent/FI760585A7/fi not_active Application Discontinuation
- 1976-03-09 BR BR7601423A patent/BR7601423A/pt unknown
- 1976-03-09 BE BE164975A patent/BE839345A/xx unknown
- 1976-03-09 GB GB9407/76A patent/GB1538113A/en not_active Expired
- 1976-03-09 FR FR7606695A patent/FR2303760A1/fr active Granted
- 1976-03-09 AU AU11801/76A patent/AU505882B2/en not_active Expired
- 1976-03-09 DD DD191762A patent/DD126392A5/xx unknown
- 1976-03-10 JP JP51026623A patent/JPS51112795A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE416798B (sv) | 1981-02-09 |
| FI760585A7 (cs) | 1976-09-11 |
| LU74502A1 (cs) | 1977-01-10 |
| FR2303760B1 (cs) | 1982-09-17 |
| DD126392A5 (cs) | 1977-07-13 |
| DE2609505A1 (de) | 1976-09-30 |
| BE839345A (fr) | 1976-09-09 |
| SE7602528L (sv) | 1976-09-13 |
| BR7601423A (pt) | 1976-09-14 |
| GB1538113A (en) | 1979-01-10 |
| AU1180176A (en) | 1977-09-15 |
| DE2510294A1 (de) | 1976-09-23 |
| JPS51112795A (en) | 1976-10-05 |
| FR2303760A1 (fr) | 1976-10-08 |
| AU505882B2 (en) | 1979-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |