GB1453766A - Production of concentrated aqueous solutions of formaldehyde - Google Patents
Production of concentrated aqueous solutions of formaldehydeInfo
- Publication number
- GB1453766A GB1453766A GB765074A GB765074A GB1453766A GB 1453766 A GB1453766 A GB 1453766A GB 765074 A GB765074 A GB 765074A GB 765074 A GB765074 A GB 765074A GB 1453766 A GB1453766 A GB 1453766A
- Authority
- GB
- United Kingdom
- Prior art keywords
- absorption
- column
- mixture
- formaldehyde
- stage
- 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.)
- Expired
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 15
- 239000007864 aqueous solution Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 12
- 239000000203 mixture Substances 0.000 abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 239000007789 gas Substances 0.000 abstract 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 3
- 239000011541 reaction mixture Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 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
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732308409 DE2308409A1 (de) | 1973-02-21 | 1973-02-21 | Verfahren zur herstellung von konzentrierten, waessrigen loesungen von formaldehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1453766A true GB1453766A (en) | 1976-10-27 |
Family
ID=5872560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB765074A Expired GB1453766A (en) | 1973-02-21 | 1974-02-20 | Production of concentrated aqueous solutions of formaldehyde |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS49134615A (enrdf_load_stackoverflow) |
| BE (1) | BE811186A (enrdf_load_stackoverflow) |
| DE (1) | DE2308409A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2218313B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1453766A (enrdf_load_stackoverflow) |
| IT (1) | IT1007229B (enrdf_load_stackoverflow) |
| NL (1) | NL7401990A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2444586C3 (de) * | 1974-09-18 | 1986-07-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von konzentrierten, wäßrigen Lösungen von Formaldehyd |
| ES2103193B1 (es) * | 1995-05-16 | 1998-04-01 | Patentes Novedades Sa | Procedimiento para la preparacion en continuo de soluciones acuosas de formaldehido. |
| AT516530B1 (de) * | 2014-11-20 | 2018-02-15 | Johnson Matthey Plc | Verfahren und Vorrichtung zur Herstellung einer wässrigen Lösung von Formaldehyd |
-
1973
- 1973-02-21 DE DE19732308409 patent/DE2308409A1/de active Pending
-
1974
- 1974-02-04 IT IT2015474A patent/IT1007229B/it active
- 1974-02-08 FR FR7404244A patent/FR2218313B1/fr not_active Expired
- 1974-02-13 NL NL7401990A patent/NL7401990A/xx unknown
- 1974-02-18 BE BE141051A patent/BE811186A/xx unknown
- 1974-02-20 GB GB765074A patent/GB1453766A/en not_active Expired
- 1974-02-21 JP JP2000774A patent/JPS49134615A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1007229B (it) | 1976-10-30 |
| BE811186A (fr) | 1974-08-19 |
| DE2308409A1 (de) | 1974-08-29 |
| JPS49134615A (enrdf_load_stackoverflow) | 1974-12-25 |
| NL7401990A (enrdf_load_stackoverflow) | 1974-08-23 |
| FR2218313B1 (enrdf_load_stackoverflow) | 1977-09-09 |
| FR2218313A1 (enrdf_load_stackoverflow) | 1974-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |