DE2645019A1 - Verfahren zur herstellung von natriumnitrit aus nitrosehaltigen gasstroemen - Google Patents
Verfahren zur herstellung von natriumnitrit aus nitrosehaltigen gasstroemenInfo
- Publication number
- DE2645019A1 DE2645019A1 DE19762645019 DE2645019A DE2645019A1 DE 2645019 A1 DE2645019 A1 DE 2645019A1 DE 19762645019 DE19762645019 DE 19762645019 DE 2645019 A DE2645019 A DE 2645019A DE 2645019 A1 DE2645019 A1 DE 2645019A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- sodium nitrite
- aqueous
- oxygen
- alkali hydroxide
- 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.)
- Ceased
Links
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 35
- 235000010288 sodium nitrite Nutrition 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000007789 gas Substances 0.000 claims description 68
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 33
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 13
- 238000005201 scrubbing Methods 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 3
- 239000000243 solution Substances 0.000 description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 23
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-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
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- -1 alkali carbonates Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002351 wastewater Substances 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
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/50—Nitrous acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762645019 DE2645019A1 (de) | 1976-10-06 | 1976-10-06 | Verfahren zur herstellung von natriumnitrit aus nitrosehaltigen gasstroemen |
| GB4119677A GB1537954A (en) | 1976-10-06 | 1977-10-04 | Process for the preparation of alkali metal nitrite from a gas containing oxides of nitrogen |
| JP11953377A JPS5345696A (en) | 1976-10-06 | 1977-10-06 | Manufacturing process for sodium nitrite from gas containing nox |
| FR7730132A FR2367020A1 (fr) | 1976-10-06 | 1977-10-06 | Procede de preparation de nitrite de sodium a partir de courants gazeux contenant des gaz nitreux |
| BE2056319A BE859426A (fr) | 1976-10-06 | 1977-10-06 | Procede de preparation de nitrite de sodium a partir de courants gazeux contenant des gaz nitreux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762645019 DE2645019A1 (de) | 1976-10-06 | 1976-10-06 | Verfahren zur herstellung von natriumnitrit aus nitrosehaltigen gasstroemen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2645019A1 true DE2645019A1 (de) | 1978-04-13 |
Family
ID=5989774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762645019 Ceased DE2645019A1 (de) | 1976-10-06 | 1976-10-06 | Verfahren zur herstellung von natriumnitrit aus nitrosehaltigen gasstroemen |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5345696A (OSRAM) |
| BE (1) | BE859426A (OSRAM) |
| DE (1) | DE2645019A1 (OSRAM) |
| FR (1) | FR2367020A1 (OSRAM) |
| GB (1) | GB1537954A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3125616A1 (de) * | 1980-07-05 | 1982-02-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von festen alkalinitriten |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03125347U (OSRAM) * | 1990-03-29 | 1991-12-18 | ||
| CN101337662B (zh) * | 2008-08-08 | 2010-06-02 | 贾令春 | 一种直接结晶法生产亚硝酸钠的工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH100477A (de) * | 1922-11-17 | 1923-12-17 | Nitrum Ag | Verfahren zur Herstellung von Natriumnitrit. |
| US2467274A (en) * | 1945-05-23 | 1949-04-12 | Blaw Knox Co | Process and apparatus for recovering in the form of alkali metal salts the oxides of nitrogen from gases containing the same |
| FR1011048A (fr) * | 1948-11-27 | 1952-06-18 | Ruhrchemie Ag | Procédé pour l'absorption en milieu alcalin des gaz restants contenant des produits nitreux |
| DE886297C (de) * | 1951-05-12 | 1953-08-13 | Hoechst Ag | Verfahren und Vorrichtung zur Herstellung von nitratfreiem Alkalinitrit |
| CA967723A (en) * | 1970-04-01 | 1975-05-20 | Martin M. Wendel | Manufacture of nitrites |
-
1976
- 1976-10-06 DE DE19762645019 patent/DE2645019A1/de not_active Ceased
-
1977
- 1977-10-04 GB GB4119677A patent/GB1537954A/en not_active Expired
- 1977-10-06 BE BE2056319A patent/BE859426A/xx unknown
- 1977-10-06 FR FR7730132A patent/FR2367020A1/fr active Granted
- 1977-10-06 JP JP11953377A patent/JPS5345696A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3125616A1 (de) * | 1980-07-05 | 1982-02-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von festen alkalinitriten |
Also Published As
| Publication number | Publication date |
|---|---|
| BE859426A (fr) | 1978-04-06 |
| GB1537954A (en) | 1979-01-10 |
| FR2367020B1 (OSRAM) | 1983-01-07 |
| JPS5345696A (en) | 1978-04-24 |
| FR2367020A1 (fr) | 1978-05-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8131 | Rejection |