BE465684A - - Google Patents
Info
- Publication number
- BE465684A BE465684A BE465684DA BE465684A BE 465684 A BE465684 A BE 465684A BE 465684D A BE465684D A BE 465684DA BE 465684 A BE465684 A BE 465684A
- Authority
- BE
- Belgium
- Prior art keywords
- sulfuric acid
- nitrous
- gases
- acid
- nitric acid
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 231
- 239000007789 gas Substances 0.000 claims description 105
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 90
- 238000004519 manufacturing process Methods 0.000 claims description 80
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 78
- 229910017604 nitric acid Inorganic materials 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 62
- 230000008569 process Effects 0.000 claims description 49
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 44
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Inorganic materials O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 36
- 238000010521 absorption reaction Methods 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 20
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 238000000354 decomposition reaction Methods 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 239000005569 Iron sulphate Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 10
- 229910052683 pyrite Inorganic materials 0.000 claims description 10
- 239000011028 pyrite Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 5
- 238000003795 desorption Methods 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000010405 reoxidation reaction Methods 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 51
- 235000010269 sulphur dioxide Nutrition 0.000 description 15
- 239000012071 phase Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000005755 formation reaction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical group CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000021121 meiosis Effects 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/086—Compounds containing nitrogen and non-metals and optionally metals containing one or more sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE465684A true BE465684A (enrdf_load_stackoverflow) |
Family
ID=117199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE465684D BE465684A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE465684A (enrdf_load_stackoverflow) |
-
0
- BE BE465684D patent/BE465684A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6917337B2 (ja) | アンモニア脱硫における吸収時のエアロゾル生成を制御する方法 | |
| RU2453357C1 (ru) | Система для выделения co2 и способ выделения co2 | |
| FR2508340A1 (fr) | Purification de gaz contenant des impuretes solides et gazeuses | |
| US5122352A (en) | Heat exchanger and pollutant removal system | |
| CA1053878A (en) | Process for removing contaminants from hot waste gas streams | |
| JP4202451B2 (ja) | 硫酸を濃縮する方法 | |
| RU2580919C2 (ru) | Комплексный способ получения нитрата аммония | |
| FR2731506A1 (fr) | Appareil et procede de chauffage de liquide par contact direct et indirect | |
| BE465684A (enrdf_load_stackoverflow) | ||
| EP0713479B1 (fr) | Procede d'obtention de trioxyde d'uranium par denitration thermique directe de nitrate d'uranyle | |
| CN102530882A (zh) | 一种除水型硫磺回收方法及装置 | |
| CN110272027B (zh) | 废硫酸湿法处理系统和工艺 | |
| CN210286754U (zh) | 废硫酸湿法处理系统 | |
| FR2488523A1 (fr) | Procede d'elimination par lavage, notamment en plusieurs etages, des composants acides, tels que le co2, le hcn et en particulier le h2s, qui entrent dans la formation des gaz, notamment des gaz de cokerie, a l'aide d'un lavage ammoniacal en circuit ferme | |
| US2128527A (en) | Process for the absorption, in highly concentrated nitric acid, of nitrous gases formed by the combustion of ammonia | |
| GB1589945A (en) | Process for concentrating dilute phosphoric acid | |
| FR2536421A1 (fr) | Procede de condensation de vapeur de zinc | |
| JPH02160020A (ja) | 高温ガスから二酸化硫黄および塩化水素を除去する方法 | |
| BE530082A (enrdf_load_stackoverflow) | ||
| FR2544992A1 (fr) | Installation de sechage d'un produit liquide | |
| JP2004224689A (ja) | 硫酸を製造するために硫酸蒸気を凝縮する方法 | |
| WO2025183614A1 (en) | System and method for producing water from air | |
| FR2632210A1 (fr) | Procede et installation pour la recuperation d'oxydes d'azote provenant d'usines | |
| CN205886575U (zh) | 一种高含水汽烟气氨法脱硫系统 | |
| BE391635A (enrdf_load_stackoverflow) |