RO80465B - Procedeu de preparare a unor solutii concentrate de formaldehida - Google Patents
Procedeu de preparare a unor solutii concentrate de formaldehidaInfo
- Publication number
- RO80465B RO80465B RO101896A RO10189680A RO80465B RO 80465 B RO80465 B RO 80465B RO 101896 A RO101896 A RO 101896A RO 10189680 A RO10189680 A RO 10189680A RO 80465 B RO80465 B RO 80465B
- Authority
- RO
- Romania
- Prior art keywords
- column
- pressure
- preparing
- formaldehyde solutions
- concentrated formaldehyde
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- AWBIJARKDOFDAN-UHFFFAOYSA-N 2,5-dimethyl-1,4-dioxane Chemical compound CC1COC(C)CO1 AWBIJARKDOFDAN-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO101896A RO80465B (ro) | 1980-08-05 | 1980-08-05 | Procedeu de preparare a unor solutii concentrate de formaldehida |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO101896A RO80465B (ro) | 1980-08-05 | 1980-08-05 | Procedeu de preparare a unor solutii concentrate de formaldehida |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO80465A RO80465A (fr) | 1983-02-15 |
| RO80465B true RO80465B (ro) | 1983-02-28 |
Family
ID=20108861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO101896A RO80465B (ro) | 1980-08-05 | 1980-08-05 | Procedeu de preparare a unor solutii concentrate de formaldehida |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO80465B (fr) |
-
1980
- 1980-08-05 RO RO101896A patent/RO80465B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO80465A (fr) | 1983-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1204302A (en) | Alcohol distillation process | |
| DE3775902D1 (de) | Verfahren zur herstellung von reinem dimethylether. | |
| DE2960646D1 (en) | Process for the obtention of water-free or substantially water-free formic acid | |
| GB1387573A (en) | Process for the separation of monoethanolamine diethanolamine and triethanolamine from crude ethanolamine mixtures | |
| JPS5293763A (en) | Preparation of tetrahydrofuran | |
| ES430284A1 (es) | Procedimiento para la fabricacion de isopreno. | |
| ES399037A1 (es) | Procedimiento para la separacion de acido acrilico y acido acetico desde acido acrilico acuoso bruto. | |
| GB1498017A (en) | Isophorone production using a potassium hydroxide catalys | |
| GB1151535A (en) | Process for the Production of Nitrogenous Copolymers of Formaldehyde | |
| ES434727A1 (es) | Procedimiento para la recuperacion de acido formico. | |
| RO80465B (ro) | Procedeu de preparare a unor solutii concentrate de formaldehida | |
| GB1458864A (en) | Recovery of anhydrous dioxane | |
| GB1221335A (en) | Method of and apparatus for concentrating dilute nitric acid | |
| JPS5217404A (en) | Process for separation of butanediol | |
| GB1158336A (en) | Process for the Direct Production of Highly Concentrated Aqueous Formaldehyde Solutions. | |
| GB970629A (en) | Improvements in or relating to the purification of acrylonitrile | |
| GB1498273A (en) | Process for the production of glycidol | |
| GB1102370A (en) | Method of preparing ethylenediamine | |
| JPS57179182A (en) | Recovering method of trioxane | |
| GB722390A (en) | Separating methyl acetate from other organic compounds by extractive distillation | |
| GB1377249A (en) | Production of glycidol | |
| JPS55143949A (en) | Recovery of purified acetonitrile | |
| GB590439A (en) | Improvements in and relating to the concentration and purification of hydrogen peroxide by distillation | |
| JPS56110632A (en) | Concentration of olefin chlorohydrin | |
| JPS52136183A (en) | Recovery of piperazine |