DE2126798B2 - Verfahren zur herstellung eines methanol-luft-gemisches fuer die synthese von formaldehyd - Google Patents
Verfahren zur herstellung eines methanol-luft-gemisches fuer die synthese von formaldehydInfo
- Publication number
- DE2126798B2 DE2126798B2 DE19712126798 DE2126798A DE2126798B2 DE 2126798 B2 DE2126798 B2 DE 2126798B2 DE 19712126798 DE19712126798 DE 19712126798 DE 2126798 A DE2126798 A DE 2126798A DE 2126798 B2 DE2126798 B2 DE 2126798B2
- Authority
- DE
- Germany
- Prior art keywords
- methanol
- impurities
- formaldehyde
- air mixture
- concentrate
- 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.)
- Pending
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims description 18
- 239000000203 mixture Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 230000015572 biosynthetic process Effects 0.000 title claims description 5
- 238000003786 synthesis reaction Methods 0.000 title claims description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 72
- 239000012535 impurity Substances 0.000 claims description 21
- 239000012141 concentrate Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 8
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000029142 excretion Effects 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000006735 deficit Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712126798 DE2126798B2 (de) | 1971-05-26 | 1971-05-26 | Verfahren zur herstellung eines methanol-luft-gemisches fuer die synthese von formaldehyd |
| NL7206015A NL7206015A (OSRAM) | 1971-05-26 | 1972-05-04 | |
| ES402467A ES402467A1 (es) | 1971-05-26 | 1972-05-06 | Procedimiento para la preparacion de una mezcla de metanol y aire a partir de metanol residual, que contiene impurezas,para la sintesis de formaldehido. |
| CH695172A CH566275A5 (OSRAM) | 1971-05-26 | 1972-05-10 | |
| TR16952A TR16952A (tr) | 1971-05-26 | 1972-05-11 | Formaldehidin sentei icin bir metanol-hava karisiminin hazirlanmasina mahsus usul |
| IL39439A IL39439A (en) | 1971-05-26 | 1972-05-15 | A process for the preparation of a methanol-air mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712126798 DE2126798B2 (de) | 1971-05-26 | 1971-05-26 | Verfahren zur herstellung eines methanol-luft-gemisches fuer die synthese von formaldehyd |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2126798A1 DE2126798A1 (en) | 1972-12-14 |
| DE2126798B2 true DE2126798B2 (de) | 1976-04-29 |
Family
ID=5809305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712126798 Pending DE2126798B2 (de) | 1971-05-26 | 1971-05-26 | Verfahren zur herstellung eines methanol-luft-gemisches fuer die synthese von formaldehyd |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH566275A5 (OSRAM) |
| DE (1) | DE2126798B2 (OSRAM) |
| ES (1) | ES402467A1 (OSRAM) |
| IL (1) | IL39439A (OSRAM) |
| NL (1) | NL7206015A (OSRAM) |
| TR (1) | TR16952A (OSRAM) |
-
1971
- 1971-05-26 DE DE19712126798 patent/DE2126798B2/de active Pending
-
1972
- 1972-05-04 NL NL7206015A patent/NL7206015A/xx unknown
- 1972-05-06 ES ES402467A patent/ES402467A1/es not_active Expired
- 1972-05-10 CH CH695172A patent/CH566275A5/xx not_active IP Right Cessation
- 1972-05-11 TR TR16952A patent/TR16952A/xx unknown
- 1972-05-15 IL IL39439A patent/IL39439A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2126798A1 (en) | 1972-12-14 |
| ES402467A1 (es) | 1975-04-01 |
| CH566275A5 (OSRAM) | 1975-09-15 |
| IL39439A (en) | 1974-12-31 |
| IL39439A0 (en) | 1972-07-26 |
| NL7206015A (OSRAM) | 1972-11-28 |
| TR16952A (tr) | 1974-01-09 |
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