CH404631A - Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédé - Google Patents
Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédéInfo
- Publication number
- CH404631A CH404631A CH725062A CH725062A CH404631A CH 404631 A CH404631 A CH 404631A CH 725062 A CH725062 A CH 725062A CH 725062 A CH725062 A CH 725062A CH 404631 A CH404631 A CH 404631A
- Authority
- CH
- Switzerland
- Prior art keywords
- methanol
- sep
- column
- formaldehyde
- gases
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 15
- 239000007864 aqueous solution Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 180
- 239000007789 gas Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 13
- 238000004821 distillation Methods 0.000 claims description 9
- 239000008098 formaldehyde solution Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE630504D BE630504A (en, 2012) | 1962-06-15 | ||
| CH725062A CH404631A (fr) | 1962-06-15 | 1962-06-15 | Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédé |
| FR930242A FR1358683A (fr) | 1962-06-15 | 1963-04-03 | Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédé |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH725062A CH404631A (fr) | 1962-06-15 | 1962-06-15 | Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH404631A true CH404631A (fr) | 1965-12-31 |
Family
ID=4322185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH725062A CH404631A (fr) | 1962-06-15 | 1962-06-15 | Procédé de fabrication de solutions aqueuses concentrées de formaldéhyde et appareillage pour la mise en oeuvre de ce procédé |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE630504A (en, 2012) |
| CH (1) | CH404631A (en, 2012) |
-
0
- BE BE630504D patent/BE630504A/xx unknown
-
1962
- 1962-06-15 CH CH725062A patent/CH404631A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE630504A (en, 2012) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |