BE391881A - - Google Patents
Info
- Publication number
- BE391881A BE391881A BE391881DA BE391881A BE 391881 A BE391881 A BE 391881A BE 391881D A BE391881D A BE 391881DA BE 391881 A BE391881 A BE 391881A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- sulfuric
- denitration
- concentration
- water
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 28
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910017604 nitric acid Inorganic materials 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 claims description 14
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 150000004682 monohydrates Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 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
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE391881A true BE391881A (enrdf_load_stackoverflow) |
Family
ID=59582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE391881D BE391881A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE391881A (enrdf_load_stackoverflow) |
-
0
- BE BE391881D patent/BE391881A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE391881A (enrdf_load_stackoverflow) | ||
| IE47094B1 (en) | Gas liquid contact process | |
| US4663135A (en) | Conversion of oxides of nitrogen to nitrogen for pollution abatement | |
| US1991452A (en) | Process for the preparation of concentrated nitric acid starting from the oxidation of ammonia | |
| US1740342A (en) | Recovery of sulphurous acid from waste gases | |
| US3362786A (en) | Sulfur trioxide production | |
| EP0021954B1 (fr) | Procédé et installation d'élimination continue d'oxydes d'azote des gaz nitreux | |
| US2011307A (en) | Process for the manufacture of sulphates of ammonia | |
| US1378271A (en) | Process for the oxidation of ammonia | |
| BE360978A (enrdf_load_stackoverflow) | ||
| US2208112A (en) | Process for producing a metal nitrate and chlorine from nitric acid and a metal chloride | |
| BE513044A (enrdf_load_stackoverflow) | ||
| NO321958B1 (no) | Fremgangsmate for fremstilling av svovelsyre fra gasser som inneholder SO<N>3</N> og gassformig nitrosylsvovelsyre | |
| SU259063A1 (ru) | Способ получения нитрозилсерной кислоты | |
| GEOFFREY MARTIN | THE NITRIC ACID INDUSTRY | |
| CH149686A (fr) | Procédé pour la fabrication d'acide nitrique concentré en partant de l'oxydation de l'ammoniaque. | |
| BE365431A (enrdf_load_stackoverflow) | ||
| BE358894A (enrdf_load_stackoverflow) | ||
| GB402229A (en) | Process for the simultaneous production of sulphuric and nitric acids | |
| CH134611A (fr) | Procédé pour la production d'acide nitrique concentré en partant de l'oxydation de l'ammoniaque sous pression. | |
| SU262870A1 (enrdf_load_stackoverflow) | ||
| BE385328A (enrdf_load_stackoverflow) | ||
| PL24391B1 (pl) | Sposób otrzymywania kwasu azotowego o duzym stezeniu z rozcienczonego kwasu azotowego. | |
| BE349802A (enrdf_load_stackoverflow) | ||
| PL19516B1 (pl) | Sposób jednoczesnego wytwarzania kwasu siarkowego i azotowego. |