SE126378C1 - - Google Patents
Info
- Publication number
- SE126378C1 SE126378C1 SE126378DA SE126378C1 SE 126378 C1 SE126378 C1 SE 126378C1 SE 126378D A SE126378D A SE 126378DA SE 126378 C1 SE126378 C1 SE 126378C1
- Authority
- SE
- Sweden
- Prior art keywords
- anhydride
- sulfur dioxide
- attic
- acid anhydride
- acetic anhydride
- Prior art date
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 39
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 26
- 150000008065 acid anhydrides Chemical class 0.000 claims description 8
- 150000008064 anhydrides Chemical class 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 4
- 150000002894 organic compounds Chemical class 0.000 claims description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 229940040526 anhydrous sodium acetate Drugs 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012286 potassium permanganate Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- -1 sodium sulfite Chemical compound 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE126378T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE126378C1 true SE126378C1 (de) | 1949-01-01 |
Family
ID=41924853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE126378D SE126378C1 (de) |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE126378C1 (de) |
-
0
- SE SE126378D patent/SE126378C1/sv unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3531376A (en) | Purification of acetone by extractive distillation and rectification with simultaneous alkali-containing acetone solution contact and halogen impurity side stream removal | |
| US2964535A (en) | Purification of nu-methyl pyrrolidone | |
| RU2016129248A (ru) | Улучшенный способ и устройство для производства ароматических карболовых кислот | |
| US2357095A (en) | Process for the manufacture of anhydrous hydrogen halide | |
| JPS6360740B2 (de) | ||
| US2083856A (en) | Purification of organic oxy-compounds | |
| Braun | OXidation Of Unsaturated Compounds. I. Oxidation Of Crotonic And Isocrotonic acids, of the lactone of 3-hydroxy-isocrotonic acid and of maleic anhydride | |
| EP3140276B1 (de) | Verfahren zur rückgewinnung von carbonsäure und holzbehandlungsverfahren | |
| US2856433A (en) | Separation of organic compounds | |
| SE126378C1 (de) | ||
| TWI711601B (zh) | 二甲亞碸之純化方法 | |
| US1401937A (en) | Purification of maleic acid by reducing agents | |
| JP5734429B2 (ja) | ジシクロヘキシルジスルフィドの製造方法 | |
| JP4588045B2 (ja) | 廃液の処理方法 | |
| JPS6215056B2 (de) | ||
| US1870214A (en) | Purification of aluminum chloride solutions | |
| US2046411A (en) | Process of substitution chlorination | |
| US3017245A (en) | Removal of sodium sulfate from caustic salt | |
| JPH06263715A (ja) | 高純度メタンスルホニルフロライドの製造法 | |
| JPH0782247A (ja) | 第3級ブチルハイドロパーオキシド含有混合物の製造方法 | |
| SU375279A1 (ru) | Способ очистки хлористого метила от диметилового эфира | |
| JPH0225449A (ja) | 酢酸アリルの製造法 | |
| JPS61167632A (ja) | アリルアルコ−ルの精製法 | |
| SU680636A3 (ru) | Способ очистки фосфорной кислоты | |
| SU335923A1 (ru) | Способ очистки хлористого этила |