GB1438989A - Process for the purification of formaldehyde - Google Patents
Process for the purification of formaldehydeInfo
- Publication number
- GB1438989A GB1438989A GB5492273A GB5492273A GB1438989A GB 1438989 A GB1438989 A GB 1438989A GB 5492273 A GB5492273 A GB 5492273A GB 5492273 A GB5492273 A GB 5492273A GB 1438989 A GB1438989 A GB 1438989A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- integer
- molecule
- preferred
- scrubbing
- 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 12
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 238000005201 scrubbing Methods 0.000 abstract 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 2
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 abstract 1
- SZSSMFVYZRQGIM-UHFFFAOYSA-N 2-(hydroxymethyl)-2-propylpropane-1,3-diol Chemical compound CCCC(CO)(CO)CO SZSSMFVYZRQGIM-UHFFFAOYSA-N 0.000 abstract 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 1
- 229920006310 Asahi-Kasei Polymers 0.000 abstract 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 abstract 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- 235000011187 glycerol Nutrition 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 125000006353 oxyethylene group Chemical group 0.000 abstract 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- -1 polyol ester Chemical class 0.000 abstract 1
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract 1
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract 1
- 239000000600 sorbitol Substances 0.000 abstract 1
- 150000005846 sugar alcohols Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C07C45/78—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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47058191A JPS5239007B2 (enrdf_load_html_response) | 1972-06-13 | 1972-06-13 | |
| GB5492273A GB1438989A (en) | 1972-06-13 | 1973-11-27 | Process for the purification of formaldehyde |
| FR7342835A FR2253004B1 (enrdf_load_html_response) | 1972-06-13 | 1973-11-30 | |
| DE19732359823 DE2359823C3 (de) | 1973-11-30 | Verfahren zur Herstellung von reinem Formaldehyd |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47058191A JPS5239007B2 (enrdf_load_html_response) | 1972-06-13 | 1972-06-13 | |
| GB5492273A GB1438989A (en) | 1972-06-13 | 1973-11-27 | Process for the purification of formaldehyde |
| FR7342835A FR2253004B1 (enrdf_load_html_response) | 1972-06-13 | 1973-11-30 | |
| DE19732359823 DE2359823C3 (de) | 1973-11-30 | Verfahren zur Herstellung von reinem Formaldehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1438989A true GB1438989A (en) | 1976-06-09 |
Family
ID=27431770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5492273A Expired GB1438989A (en) | 1972-06-13 | 1973-11-27 | Process for the purification of formaldehyde |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5239007B2 (enrdf_load_html_response) |
| FR (1) | FR2253004B1 (enrdf_load_html_response) |
| GB (1) | GB1438989A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531289U (ja) * | 1991-09-30 | 1993-04-23 | オムロン株式会社 | 数字表示器の取付け構造 |
-
1972
- 1972-06-13 JP JP47058191A patent/JPS5239007B2/ja not_active Expired
-
1973
- 1973-11-27 GB GB5492273A patent/GB1438989A/en not_active Expired
- 1973-11-30 FR FR7342835A patent/FR2253004B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2359823B2 (de) | 1975-11-06 |
| DE2359823A1 (de) | 1975-06-12 |
| JPS5239007B2 (enrdf_load_html_response) | 1977-10-03 |
| FR2253004B1 (enrdf_load_html_response) | 1977-06-10 |
| JPS4918817A (enrdf_load_html_response) | 1974-02-19 |
| FR2253004A1 (enrdf_load_html_response) | 1975-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |