DE119880C - - Google Patents
Info
- Publication number
- DE119880C DE119880C DENDAT119880D DE119880DA DE119880C DE 119880 C DE119880 C DE 119880C DE NDAT119880 D DENDAT119880 D DE NDAT119880D DE 119880D A DE119880D A DE 119880DA DE 119880 C DE119880 C DE 119880C
- Authority
- DE
- Germany
- Prior art keywords
- acetone
- hydrochloric acid
- oil
- oils
- distillation
- 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
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000015450 Tilia cordata Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 1
- 235000011118 potassium hydroxide Nutrition 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Bei der Fabrikation des Acetons werden als Nebenproducte die sogen. Acetonöle gewonnen, welche die höheren Homologen des Acetons enthalten und infolge ihres aufserordentlich widerlichen, brenzlichen Geruchs nicht für ähnliche Zwecke wie das Aceton benutzt werden können, obgleich sie sich ihrer sonstigen Eigenschaften wegen hierzu eignen würden. Durch fractionirte Destillation können die brenzlich riechenden Producte nicht entfernt werden. Das vorliegende Verfahren bezweckt, die Acetonöle von ihrem widerlichen Geruch zu befreien und sie für diejenigen Zwecke, bei denen der Geruch hinderlich gewesen ist, verwendungsfähig zu machen.In the manufacture of acetone, the so-called by-products are used. Acetone oils obtained which contain the higher homologues of acetone and as a result of them extraordinary disgusting, burning smell cannot be used for purposes similar to acetone although their other properties would make them suitable for this purpose. The burning-smelling products cannot be removed by fractional distillation will. The purpose of the present procedure is to remove the objectionable odor from the acetone oils free and usable for those purposes for which the odor has been a nuisance close.
Das Verfahren. besteht in der Einwirkung von' Salzsäure unter gewöhnlichem Luftdruck auf die Acetonöle. Salzsäure unter gewöhnlichem Luftdruck ruft, indem sie mit den Bestandtheilen, welche die Träger des Geruches sind, in Reaction tritt, in den Acetonölen eine charakteristische Rothfärbung hervor und bewirkt die Entfernung des Geruches. Die Erscheinung wird namentlich von Salzsäure hervorgerufen, die wenig Wasser enthält. Die Ausführung des Verfahrens kann derartig geschehen, dafs das Acetonöl mit 1 bis 10 pCt. seines Gewichtes an cone. Salzsäure gemischt wird, was z. B. durch Durchschütteln geschehen kann. Man trennt, nachdem die Mischung einigeZeit der Ruhe überlassen war, dasspecifisch leichtere OeI von der schwereren Salzsäure und reinigt das OeI durch Destillation. Es empfiehlt sich noch eine zweite Destillation über gebranntem Kalk, Aetzalkalien oder dergl. vorzunehmen, um die überschüssige, mitdestillirte Säure, sowie etwa übergehende färbende Substanzen zu entfernen. Man kann auch gasförmige Salzsäure in Acetonöl einleiten und, nachdem dieselbe einige Zeit mit dem OeI in Berührung geblieben ist, destilliren, worauf die zweite Destillation über Kalk. etc. folgt. Das mit Salzsäuregas behandelte OeI kann auch mit Wasser gewaschen werden und nach Trennung von der wässerigen Schicht destillirt werden.The procedure. consists in the action of hydrochloric acid under normal atmospheric pressure on the acetone oils. Hydrochloric acid is called under normal atmospheric pressure by being mixed with the constituents which are the carriers of the odor, reacts, and produces a characteristic red color in the acetone oils the removal of the odor. The phenomenon is mainly caused by hydrochloric acid, which contains little water. The procedure can be carried out in such a way that that the acetone oil with 1 to 10 pCt. its weight in cone. Mixed hydrochloric acid becomes what z. B. can be done by shaking. One separates after the mixture It was left to rest for some time that the specifically lighter oils were derived from the heavier hydrochloric acid and cleans the oil by distillation. A second distillation is recommended to be carried out over burnt lime, caustic alkalis or the like, in order to remove the excess To remove acid and any coloring substances that may have passed over. One can also use gaseous ones Introduce hydrochloric acid into acetone oil and, after it has been in the oil for some time If it has remained in contact, distill, followed by a second distillation over lime. etc. follows. That OeI treated with hydrochloric acid gas can also be washed with water and after Separation from the aqueous layer to be distilled.
Die Menge der zu verwendenden Säure hängt von der Menge der vorhandenen Verunreinigungen ab. Die oben angegebenen Mengenverhältnisse haben sich als die für die praktische Ausführung des Verfahrens geeigneten gezeigt. .The amount of acid to use depends on the amount of impurities present away. The proportions given above have proven to be those for practical execution of the method shown suitable. .
Das vorliegende Verfahren unterscheidet sich von dem aus der Patentschrift 8343g bekannten durch die Anwendung der Salzsäure unter dem gewöhnlichen Atmosphärendrucke. Infolge dessen wird bei dem vorliegenden Verfahren die Ueberführung der Homologen des Acetons in gechlorte Verbindungen, die zu den Zwecken, für welche Aceton benutzt wird, nicht angewendet werden können, vermieden. Bei dem aus der Patentschrift 8343g bekanntenThe present method differs from that known from patent specification 8343g by using hydrochloric acid under normal atmospheric pressure. As a result In the present process, this is the conversion of the homologues of acetone in chlorinated compounds, which cannot be used for the purposes for which acetone is used, avoided. In the one known from patent specification 8343g
Verfahren gehen die höheren Homologen des Acetons verloren, während sie bei dem vorliegenden Verfahren mitgewonnen werden. Es gelingt also bei dem vorliegenden Verfahren, die Homologen des Acetons verwendungsfähig zu machen. Das Rohproduct der Acetondarstellung kann also nach dem vorliegenden Verfahren vollständig ausgenutzt werden.Process the higher homologues of acetone are lost, while they are lost in the present Procedure can be won. In the present process it is therefore possible to use the homologues of acetone close. The raw product of the acetone preparation can thus be obtained according to the present process be fully exploited.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE119880C true DE119880C (en) |
Family
ID=388982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT119880D Active DE119880C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE119880C (en) |
-
0
- DE DENDAT119880D patent/DE119880C/de active Active
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