DE23791C - Process for the preparation of caustic potash, caustic soda, carbonate of potash and carbonate of soda from the corresponding chlorine alkalis - Google Patents
Process for the preparation of caustic potash, caustic soda, carbonate of potash and carbonate of soda from the corresponding chlorine alkalisInfo
- Publication number
- DE23791C DE23791C DENDAT23791D DE23791DA DE23791C DE 23791 C DE23791 C DE 23791C DE NDAT23791 D DENDAT23791 D DE NDAT23791D DE 23791D A DE23791D A DE 23791DA DE 23791 C DE23791 C DE 23791C
- Authority
- DE
- Germany
- Prior art keywords
- caustic
- potash
- carbonate
- soda
- alkalis
- 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 title claims description 10
- 230000000875 corresponding Effects 0.000 title claims description 4
- 235000011121 sodium hydroxide Nutrition 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 3
- 235000011118 potassium hydroxide Nutrition 0.000 title claims description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 title description 5
- 235000015320 potassium carbonate Nutrition 0.000 title description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 title description 2
- 239000000460 chlorine Substances 0.000 title description 2
- 229910052801 chlorine Inorganic materials 0.000 title description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000464 lead oxide Inorganic materials 0.000 claims description 7
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 7
- -1 chlorine lead Chemical compound 0.000 claims description 6
- 239000003518 caustics Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000001476 alcoholic Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000001187 sodium carbonate Substances 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N Hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229960003563 Calcium Carbonate Drugs 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 210000003414 Extremities Anatomy 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 235000015450 Tilia cordata Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 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
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 229910000499 pig iron Inorganic materials 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 239000001184 potassium carbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Description
KAISERLICHESIMPERIAL
ΡΑΤΕΝΤΑΜΤΡΑΤΕΝΤΑΜΤ
Den Gegenstand dieser Erfindung bilden Neuerungen bei der Fabrikation von Aetzkali oder Aetznatron direct aus den entsprechenden Chloralkalien mittelst Bleioxyds (Bleiglätte), und beziehen sich dieselben auf die Scheidung des aus der doppelten Zersetzung beider Körper resultirenden Aetzalkalis vom entstandenen Chlorblei, sowie auf die Wiederbelebung des letzteren zu Bleioxyd behufs Benutzung zu einer neuen Operation.The subject of this invention are innovations in the manufacture of caustic potash or caustic soda directly from the corresponding chlor-alkalis by means of lead oxide (black lead), and they refer to the separation of the two bodies from the double decomposition resulting caustic alkali from the resulting chlorine lead, as well as the resuscitation of the latter lead oxide for use in a new operation.
Die Hauptschwierigkeit der technischen Verwerthung der bekannten Reaction von Bleioxyd auf Chloralkalien bildete bis zu diesen Neuerungen die Trennung der Reactionsmasse in ihre beiden Glieder; Hand in Hand damit geht die Frage der Wiederbelebung des Chlorbleies, welche nach den bisherigen Versuchen nur durch complicirte chemische Processe und auch da nur unvollkommen zu erreichen war, deren glückliche Lösung indefs der Erzeugung von Aetzalkalien durch das Bleioxydverfahren erst technischen Werth und finanzielle Bedeutung giebt.The main difficulty in the technical exploitation of the well-known reaction of lead oxide up to these innovations, the separation of the reaction mass into her two limbs; Hand in hand with this goes the question of the revitalization of the chlorine lead, which, according to the experiments so far, only through complicated chemical processes and also there could only be achieved imperfectly, the happy solution of which was the creation of Caustic alkalis through the lead oxide process are only of technical value and financial significance gives.
Als geeignetstes Scheidemittel für Aetzalkali und Chlorblei bietet sich Alkohol infolge seiner Eigenschaft, nur den ersteren gegenüber als Lösemittel aufzutreten, sich letzterem gegenüber jedoch, selbst bei 50 procentiger Verdünnung, indifferent zu verhalten.As a result of its presence, alcohol is the most suitable separating agent for caustic alkali and chlorine lead Property of only appearing as a solvent in relation to the former, in relation to the latter however, even with 50 per cent dilution, behave indifferently.
Man behandelt demnach die durch Zusammenmischen oder vortheilhafter durch Zusammenreiben von Chlornatrium bezw. Chlorkalium und Bleioxyd bei Gegenwart des zur Hydratbildimg nöthigen Wassers erhaltene reinweifse und consistent breiige Reactionsmasse mit Alkohol und filtrirt. Das Filtrat wird zur Wiedergewinnung des Alkohols abdestillirt, der Destillationsrückstand zum Abtreiben der letzten Spuren von Alkohol mit wenig Wasser versetzt und vollständig zur Trockene eingedampft.Accordingly, they are treated by mixing them together or, more advantageously, by rubbing them together of sodium chloride respectively. Potassium chlorine and lead oxide obtained in the presence of the water necessary for hydrate formation and consistent pulpy reaction mass with alcohol and filtered. The filtrate becomes Recovery of the alcohol distilled off, the distillation residue to drive off the last Traces of alcohol mixed with a little water and completely evaporated to dryness.
Oder man behandelt den erhaltenen alkoholischen Auszug mit einem Kohlensaurestrom, wodurch das Kali als neutrales Kaliumcarbonat gefüllt wird. Man filtrirt und schickt den Alkohol, wie er abläuft, ohne Rectification oder sonstige Reinigung, wieder in den Betrieb zurück.' Or you can treat the obtained alcoholic extract with a stream of carbonic acid, whereby the potash is filled as neutral potassium carbonate. One filters and sends the Alcohol as it expires, without rectification or other cleaning, back into the company. '
Etwas umständlicher gestaltet sich die Darstellung des Natriumcarbonats, insofern sich dieses etwas in Alkohol löst. Man hat darum am zweckmäfsigsten den aus den Filtern kommenden Alkohol noch mit etwas Kalk zu behandeln, wobei infolge der eintretenden Umsetzung Calciumcarbonat ausfällt und der Alkohol nunmehr Aetznatron in Lösung zurückhält.The representation of sodium carbonate is a bit more complicated, insofar as this is dissolves something in alcohol. It is therefore most expedient to have the one that comes out of the filters Alcohol to be treated with a little lime, whereby as a result of the implementation Calcium carbonate precipitates and the alcohol now retains caustic soda in solution.
Die Wiederbelebung des als Filterrückstand verbliebenen Chlorbleies basirt auf dessen Löslichkeit in warmem Wasser-. Aus dieser Lösung wird durch Eisen am besten weifses Roheisen, das Blei als Metall ausgefällt, welches nun nach bekannten Methoden wieder in Oxyd umgewandelt wird. Als Nebenprodnct ergiebt sichThe resuscitation of the lead chlorine remaining as filter residue is based on its solubility in warm water. From this solution, iron is best turned into white pig iron, the lead precipitated as metal, which is now converted back into oxide using known methods will. As a secondary product it results
dabei auf ebenso einfache wie, billige Weise das Chloreisen.chlorine iron in a simple and cheap way.
Claims (1)
2. Die Darstellung von Kalium- bezw. Natriumcarbonat aus der nach i. erhaltenen alkoholischen Lösung des entsprechenden Aetzalkalis, durch Behandlung derselben mit einem Kolilensäurestrom.In the manufacture of caustic potash and caustic soda directly from the corresponding chloralcohols by means of lead oxide, the separation of the caustic alkali from the reaction mass by alcohol, while the remaining chlorine lead, dissolved in water, decomposed with the help of iron and converted into lead oxide, enters a new process again .
2. The representation of potassium or. Sodium carbonate from the after i. obtained alcoholic solution of the corresponding caustic alkali, by treating the same with a colilenic acid stream.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE23791C true DE23791C (en) |
Family
ID=300324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT23791D Active DE23791C (en) | Process for the preparation of caustic potash, caustic soda, carbonate of potash and carbonate of soda from the corresponding chlorine alkalis |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE23791C (en) |
-
0
- DE DENDAT23791D patent/DE23791C/en active Active
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