SE426475B - Sett att kontinuerligt behandla restsalpetersyror samt anordning for genomforande av settet - Google Patents
Sett att kontinuerligt behandla restsalpetersyror samt anordning for genomforande av settetInfo
- Publication number
- SE426475B SE426475B SE7714900A SE7714900A SE426475B SE 426475 B SE426475 B SE 426475B SE 7714900 A SE7714900 A SE 7714900A SE 7714900 A SE7714900 A SE 7714900A SE 426475 B SE426475 B SE 426475B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- stripping
- acids
- residual
- vaf
- Prior art date
Links
- 239000002253 acid Substances 0.000 title claims description 28
- 150000007513 acids Chemical class 0.000 title claims description 27
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 60
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 claims description 22
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 20
- 235000006408 oxalic acid Nutrition 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229910017604 nitric acid Inorganic materials 0.000 claims description 18
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 150000001735 carboxylic acids Chemical class 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000002828 nitro derivatives Chemical class 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 150000002989 phenols Chemical class 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IIPZYDQGBIWLBU-UHFFFAOYSA-N Dinoterb Chemical compound CC(C)(C)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O IIPZYDQGBIWLBU-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFBJCMHMOXMLKC-UHFFFAOYSA-N 2,4-dinitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O UFBJCMHMOXMLKC-UHFFFAOYSA-N 0.000 description 1
- -1 4,6-dinitropicric acid Chemical compound 0.000 description 1
- 101000775709 Homo sapiens V-type proton ATPase subunit C 1 Proteins 0.000 description 1
- 102100032189 V-type proton ATPase subunit C 1 Human genes 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7639523A FR2376069A1 (fr) | 1976-12-30 | 1976-12-30 | Procede de traitement en continu des acides nitriques issus de la fabrication des derives nitres des alkylphenols |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7714900L SE7714900L (sv) | 1978-07-01 |
| SE426475B true SE426475B (sv) | 1983-01-24 |
Family
ID=9181707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7714900A SE426475B (sv) | 1976-12-30 | 1977-12-29 | Sett att kontinuerligt behandla restsalpetersyror samt anordning for genomforande av settet |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH625489A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2757073A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2376069A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1544317A (enrdf_load_stackoverflow) |
| SE (1) | SE426475B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT389823B (de) * | 1988-05-13 | 1990-02-12 | Chemie Holding Ag | Verfahren zur selektiven entfernung und vernichtung von cyanwasserstoff aus einem gemisch mit nitrosegasen |
| CN103449388B (zh) * | 2013-09-10 | 2016-03-30 | 安徽淮化股份有限公司 | 一种稀硝酸回收方法及其专用设备 |
| CN103879977B (zh) * | 2014-04-03 | 2015-12-09 | 苏州晶瑞化学股份有限公司 | 一种高纯硝酸的连续生产方法及生产装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5217154B2 (enrdf_load_stackoverflow) * | 1974-12-24 | 1977-05-13 |
-
1976
- 1976-12-30 FR FR7639523A patent/FR2376069A1/fr active Granted
-
1977
- 1977-11-30 CH CH1464477A patent/CH625489A5/fr not_active IP Right Cessation
- 1977-12-20 GB GB5303277A patent/GB1544317A/en not_active Expired
- 1977-12-21 DE DE19772757073 patent/DE2757073A1/de active Granted
- 1977-12-29 SE SE7714900A patent/SE426475B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2757073A1 (de) | 1978-07-13 |
| CH625489A5 (en) | 1981-09-30 |
| FR2376069A1 (fr) | 1978-07-28 |
| GB1544317A (en) | 1979-04-19 |
| DE2757073C2 (enrdf_load_stackoverflow) | 1988-01-07 |
| FR2376069B1 (enrdf_load_stackoverflow) | 1979-04-20 |
| SE7714900L (sv) | 1978-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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