AT17451B - Process for the preparation of acetone. - Google Patents
Process for the preparation of acetone.Info
- Publication number
- AT17451B AT17451B AT17451DA AT17451B AT 17451 B AT17451 B AT 17451B AT 17451D A AT17451D A AT 17451DA AT 17451 B AT17451 B AT 17451B
- Authority
- AT
- Austria
- Prior art keywords
- acetone
- preparation
- products
- acetic acid
- distillation
- Prior art date
Links
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title claims description 4
- 238000004821 distillation Methods 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
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Österreichische PATENTSCHRIFT Nr. 17451.
EMI1.1
BEIDE IN PARIS. Verfahren zur Darstellung von Azeton.
Die gewöhnlichen Verfahren der Destillation von Holz liefern folgende Produkte : 1. Holzkohle. 2. Wässerige Produkte, die Methylen, Essigsäure, verschiedene andere Fettsäuren (Homologe der Essigsäure) und eine kleine Menge Azeton etc. enthalten. 3. Teer. 4. Gasförmige Produkte (Kohlenwasserstoffe, Kohlensäure, Kohlenoxyd und Wasserstoff). Das vorliegende Verfahren zur Darstellung von Azeton durch trockene Destillation von Holz bezweckt nun, die Bildung von Essigsäure hiebei womöglich zu vermeiden und viel- mehr Azeton zu gewinnen. Und zwar wird dies bei dem vorliegenden Verfahren dadurch erreicht, dass man die gewöhnliche Art und Weise der Destination wosenttich verändert.
Man fängt nämlich die erhaltenen Destillationsprodukte nicht als solche auf, sondern leitet die flüchtigen Destillationsprodukte in eine Nebenretorte, In weicher dieselben auf eine Temperatur, die zwischen dunkler und heller Rotglut liegt, d. i. auf HOO-700o C erhitzt werden. Diese Retorte enthält Kohle. Unter diesen Bedingungen finden bei dem Destillationsvorgang folgende Reaktionen statt, l. Das Wasser wird in Gegenwart der Kohle zersetzt. 2. Die Essigsäure wird unter Bildung von Azeton nach der Formel : 2 Eissgsäure = Azeton + Kohlensäure + Wasser, wobei diese beiden letzteren Verbindungen sich sofort wieder unter Bildung von Kohlenoxyd und Wasserstoff durch Einwirkung der Kohle zersetzen, gespalten. 3. Der Teer wird zersetzt und liefert Benzol. 4.
Die Kohlensäure der gewöhnlichen Destillationsgase wird nach folgender Gleichung zersetzt : Kohlensäure und Kohlenstoff = 2 Kohlen oxyd. Die fichtigen Produkte, welche sich am Ende der obigen Reaktionen ergeben, sind also folgende : Azeton oder höhere Homologe desselben,
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ihre Homologen. Die so erhaltenen flüchtigen Produkte werden hierauf in einen Reinigungsapparat, welcher mit besonderen Salzen, wie z. B.
Aluminiumsulfat, phosphorsaurem Kalk etc. beschickt ist, geleitet und verlieren dort ihren Ammoniakgehalt. Die kondousier- baren Produkte, wie Methylalkohol, Azeton, Benzol werden in einem Kühlapparat unter starker Abkühlung kondensiert, diese Flüssigkeiten können in dieser Mischung das Petroleum bei allen seinen Verwendungsarten ersetzen. Die gebildeten Gase, besonders Kohlenoxyd und Wasserstoff können als Reduktionsgaso Verwendung finden
Zur Ausführung dos Verfahrens können die gewöhnlichen Destillationsapparate verwendet werden und ist auch für die oben angeführte Nebenreterte keine besondere Konstruktion erforderlich. Als Ausgangssubstanzen für das Verfahren können obonfalls Hölzer der verschiedensten Art benützt werden.
In der englischen Patentschrift Nr. 2816/98 wird ein Verfahren zur Herstellung von Azeton aus Essigsäure geschildert. das in der Weise durchgeführt wird, dass Essigsäuredämpfe über mit Karbonaten getränkte poröse Substanzen greifet werden, u. zw vollzieht sich dieser Vorgang, ebenso wie das schon früher in Gmelins Handbook of Chemistry (Cavendisch Society) beschriebene Verfahren nach der
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Das neue Verfahren beruht eben, wie oben ausgeführt, auf der reduzierenden Wirkung der Kohle und des Wasserstoffes auf die Essigsaure. Während die Ausbeute an Azeton nach den früheren Verfahren nur geringfügig ist, stellt sie sich nach dem hier beschriebenen Verfahren auf 80-900/0 der theoretisch zu erwartenden Produktion.
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Austrian PATENT LETTER No. 17451.
EMI1.1
BOTH IN PARIS. Process for the preparation of acetone.
The common methods of distilling wood produce the following products: 1. Charcoal. 2. Aqueous products that contain methylene, acetic acid, various other fatty acids (homologues of acetic acid) and a small amount of acetone etc. 3. Tar. 4. Gaseous products (hydrocarbons, carbonic acid, carbon dioxide and hydrogen). The present process for the preparation of acetone by dry distillation of wood now aims to avoid the formation of acetic acid and to obtain much more acetone. This is achieved in the present method by changing the usual way of the destination wosenttich.
The distillation products obtained are not collected as such, but rather the volatile distillation products are fed into a secondary retort, in which they are brought to a temperature between dark and light red heat, i.e. i. heated to HOO-700o C. This retort contains coal. Under these conditions, the following reactions take place during the distillation process: l. The water is decomposed in the presence of the coal. 2. The acetic acid is split with the formation of acetone according to the formula: 2 Ice acid = acetone + carbonic acid + water, whereby these last two compounds decompose again immediately under the formation of carbon oxide and hydrogen by the action of the carbon. 3. The tar is broken down and produces benzene. 4th
The carbonic acid of common distillation gases is decomposed according to the following equation: Carbonic acid and carbon = 2 carbon dioxide. The spruce products that result at the end of the above reactions are therefore the following: acetone or higher homologues of the same,
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their homologues. The volatile products obtained in this way are then in a purification apparatus which is treated with special salts, such as. B.
Aluminum sulfate, phosphoric acid lime etc. is charged, passed and lose their ammonia content there. The condensable products, such as methyl alcohol, acetone, benzene, are condensed in a cooling device with strong cooling. In this mixture, these liquids can replace petroleum in all its uses. The gases formed, especially carbon oxide and hydrogen, can be used as reducing gases
Ordinary stills can be used to carry out the process and no special construction is required for the auxiliary equipment mentioned above. Various types of wood can be used as starting substances for the process.
In the English patent specification No. 2816/98 a process for the production of acetone from acetic acid is described. which is carried out in such a way that acetic acid vapors are seized over porous substances soaked with carbonates, u. zw this process takes place, as does the procedure described earlier in Gmelins Handbook of Chemistry (Cavendisch Society) according to the
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As explained above, the new process is based on the reducing effect of coal and hydrogen on acetic acid. While the yield of acetone according to the earlier process is only slight, according to the process described here it is 80-900 / 0 of the theoretically expected production.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT17451T | 1901-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT17451B true AT17451B (en) | 1904-09-10 |
Family
ID=3520084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT17451D AT17451B (en) | 1901-11-26 | 1901-11-26 | Process for the preparation of acetone. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT17451B (en) |
-
1901
- 1901-11-26 AT AT17451D patent/AT17451B/en active
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