DE294724C - - Google Patents
Info
- Publication number
- DE294724C DE294724C DENDAT294724D DE294724DA DE294724C DE 294724 C DE294724 C DE 294724C DE NDAT294724 D DENDAT294724 D DE NDAT294724D DE 294724D A DE294724D A DE 294724DA DE 294724 C DE294724 C DE 294724C
- Authority
- DE
- Germany
- Prior art keywords
- acetic acid
- oxygen
- acetaldehyde
- oxidation
- acid
- 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.)
- Active
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- IKHGUXGNUITLKF-UHFFFAOYSA-N acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 3
- 150000002506 iron compounds Chemical class 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M sodium acetate Chemical class [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N Chloroacetic acid Chemical class OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 alkaline earths Chemical compound 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Patentiert im Deutschen Reiche vom 11. Februar 1914 ab.Patented in the German Empire on February 11, 1914.
Die Oxydation von Acetaldehyd zu Essigsäure mittels Sauerstoffs oder Luft erfolgt bekanntlich nur langsam. Man kann zwar die Sauerstoff auf η ahme durch Überträger, z. B. Eisenverbindungen, beschleunigen, doch bilden sich hierbei reichliche Mengen Acetpersäure, welche große Neigung zu plötzlichen, mit großer Wärmeentwicklung und daher mit Explosionsgefahren verbundenen · ZersetzungenIt is known that acetaldehyde is oxidized to acetic acid by means of oxygen or air only slowly. It is true that the oxygen on η can be taken by means of carriers, e.g. B. Iron compounds, accelerate, but in the process copious amounts of acetpersic acid are formed, what a great tendency to sudden, with great heat development and therefore with the risk of explosion associated · decomposition
ίο zeigt, so daß an eine Ausführung des Verfahrens in größerem Maßstabe nicht gedacht werden kann. Die Ausführung dieses Verfahrens in der Wärme und unter starker Verdünnung des Aldehyds mit Essigsäure, wodurch eine Anhäufung größerer Mengen von Acetpersäure hintangehalten werden soll, ist gleichfalls mit technischen Nachteilen verbunden, da das Erwärmen großer Flüssigkeitsmengen Kosten verursacht und ein Entweichen von Aldehyd bedingt, der durch besondere Kondensationseinrichtungen wiedergewonnen werden muß.ίο shows so that an execution of the procedure cannot be thought of on a larger scale. Executing this procedure in the heat and with strong dilution of the aldehyde with acetic acid, whereby a Accumulation of larger amounts of acetperacid should be prevented, is also with associated technical disadvantages, since the heating of large amounts of liquid causes costs and an escape of aldehyde caused by special condensation devices must be recovered.
Es wurde nun gefunden, daß sich die Oxydation des Acetaldehyde zu Essigsäure mittels Sauerstoffs oder Luft stark beschleunigen läßt, ohne daß eine Anhäufung von Acetpersäure eintritt, wenn man die Oxydation in gleichzeitiger Gegenwart von Eisenverbindungen und organischen Salzen von Alkalien und Erdalkalien einschließlich des Magnesiums und Aluminiums ausführt. Es gelingt so, schon in der Kälte und ohne Anwendung einer Verdünnung durch Essigsäure eine rasche und völlig gefahrlose Oxydation zu Essigsäure zu erreichen.It has now been found that the acetaldehyde is oxidized to acetic acid by means of Oxygen or air can be accelerated strongly without an accumulation of acetic acid occurs when the oxidation is carried out in the simultaneous presence of iron compounds and organic salts of alkalis and alkaline earths including magnesium and Aluminum. It works like this, even in the cold and without using a thinner to achieve a rapid and completely safe oxidation to acetic acid by means of acetic acid.
τ, ■ · ,τ, ■ ·,
Zu 100Teilen Acetaldehyd gibt man 0,3 Teile Ferroacetat und 7 Teile entwässertes Natriumacetat und leitet in einen Rühr- oder Schüttelapparat Sauerstoff ein, wobei man die Tem- 4°. peratur auf etwa 15° hält. Der Sauerstoff wird schnell absorbiert. Nach beendigter Oxydation kann die gebildete Essigsäure durch Destillation gewonnen werden.0.3 parts are added to 100 parts of acetaldehyde Ferroacetate and 7 parts of dehydrated sodium acetate and passes into a stirrer or shaker Oxygen, where the tem- 4 °. keeps the temperature at around 15 °. The oxygen is quickly absorbed. After the oxidation is complete, the acetic acid formed can pass through Distillation can be obtained.
Statt des Natriumacetats kann man die Acetate von Kalium, Erdalkalien, Magnesium oder Aluminium oder Salze anderer organischer Säuren, z. B. von Ameisensäure, Chloressigsäuren, Benzoesäure, Phtalsäure, sowie natürlich auch Verbindungen, die in derartige Salze überzugehen vermögen, wie z. B. Hydroxyde oder Carbonate u. dgl., verwenden.Instead of the sodium acetate one can use the acetates of potassium, alkaline earths, magnesium or aluminum or salts of other organic acids, e.g. B. formic acid, chloroacetic acids, Benzoic acid, phthalic acid, and of course compounds that are capable of converting into such salts, such as. B. Hydroxides or carbonates and the like.
Patent-Ans ρ ruch:Patent claim:
Verfahren zur Darstellung von Essigsäure aus Acetaldehyd durch Oxydation mit Sauerstoff oder Luft, dadurch gekennzeichnet, daß man die Oxydation in gleichzeitiger Gegenwart von Eisenverbindungen und organischen Salzen von Alkalien oder Erdalkalien einschließlich des Magnesiums oder Aluminiums ausführt.Process for the preparation of acetic acid from acetaldehyde by oxidation with oxygen or air, characterized in that the oxidation in simultaneous Presence of iron compounds and organic salts of alkalis or alkaline earths including magnesium or aluminum.
5555
6060
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE294724C true DE294724C (en) |
Family
ID=549266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT294724D Active DE294724C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE294724C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE766155C (en) * | 1941-10-09 | 1954-08-16 | Ruhrchemie Ag | Process for the production of fatty acid metal compounds |
-
0
- DE DENDAT294724D patent/DE294724C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE766155C (en) * | 1941-10-09 | 1954-08-16 | Ruhrchemie Ag | Process for the production of fatty acid metal compounds |
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