DE368532C - Process for obtaining ammonia from gases - Google Patents

Process for obtaining ammonia from gases

Info

Publication number
DE368532C
DE368532C DEE27558D DEE0027558D DE368532C DE 368532 C DE368532 C DE 368532C DE E27558 D DEE27558 D DE E27558D DE E0027558 D DEE0027558 D DE E0027558D DE 368532 C DE368532 C DE 368532C
Authority
DE
Germany
Prior art keywords
ammonia
gases
organic acids
lignite
coal
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.)
Expired
Application number
DEE27558D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CARL EHRENBERG DIPL ING
Wiederhold Hermann GmbH Corp
Original Assignee
CARL EHRENBERG DIPL ING
Wiederhold Hermann GmbH Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CARL EHRENBERG DIPL ING, Wiederhold Hermann GmbH Corp filed Critical CARL EHRENBERG DIPL ING
Priority to DEE27558D priority Critical patent/DE368532C/en
Application granted granted Critical
Publication of DE368532C publication Critical patent/DE368532C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and vapours

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

Verfahren zur Gewinnung von Ammoniak aus Gasen. Bekanntlich lassen sich gewisse Gase, wie Ammoniak, aus ihren Gemischen mit anderen Gasen durch natürliche Braunkohle zurückhalten und daraus wieder austreiben. Es ist auch bekannt, daB weiche, erdige Braunkohle, auch Schmierkohle genannt, sich in Alkali löst, dieses also -zu Salzen bindet. Gegenstand der vorliegenden Erfindung ist nun die Ausnutzung dieser Eigenschaft zu dem Zwecke der Gewinnung von Ammoniak aus Gasen, besonders aus ammoniakarmen Gasen. Wenn man ein ammoniakführendes Gas über die Schmierkohle leitet, so wird das Ammoniak von der Kohle aufgenommen. Die in der Kohle enthaltenen freien organischen Säuren, Huminsäure, Humussäure usw., geben die betreffende Ammoniakverbindung. ' Ist die Kohle mit Ammoniak gesättigt bzw. sind die organischen Säuren als Ammonsalze gebunden, so wird die gebrauchte Kohle mit gebranntem oder gelöschtem Kalk gekocht, wobei das Ammoniak als freies Gas entweicht. Der Rückstand nach dem Abtreiben des Ammoniaks kann wieder aufgearbeitet werden, z. B. indem man Salzsäure hinzutut und, die freien erhaltenen organischen Säuren abscheidet und so von neuem zur Ammoniakgewinnung verwendbar macht.Process for obtaining ammonia from gases. Let it be known Certain gases, such as ammonia, are naturally derived from their mixtures with other gases Hold back lignite and drive it out again. It is also known that soft, Earthy lignite, also known as lignite, dissolves in alkali, which means -to Salts binds. The subject of the present invention is the utilization of this Property for the purpose of obtaining ammonia from gases, especially from ammonia-poor Gases. If a gas containing ammonia is passed over the lubricating carbon, it becomes the ammonia absorbed by the coal. The free organic contained in coal Acids, humic acid, humic acid, etc., give the ammonia compound in question. ' Is the carbon saturated with ammonia or the organic acids are ammonium salts bound, the used coal is boiled with burnt or slaked lime, whereby the ammonia escapes as a free gas. The residue after driving the Ammonia can be reprocessed, e.g. B. by adding hydrochloric acid and, separates the free organic acids obtained and so again for the ammonia production makes usable.

Die Kondensation von etwa in den Gasen enthaltenen Wasserdämpfen beeinträchtigt das vorgenannte Verfahren nicht.The condensation of any water vapors contained in the gases is impaired the aforementioned procedure does not.

Claims (1)

PATENT-ANsPRUcH: Verfahren zur Gewinnung von Ammoniak aus ammoniakhaltigen Gasen durch Überleitung der Gase über natürliche Braunkohle, dadurch gekennzeichnet, daB man unter Verwendung von solcher Braunkohle, die wie die sogenannte Schmierkohle freie organische Säuren enthält, das an die organischen Säuren gebundene Ammoniak mittels Kalkes o. dgl. freimacht und hierauf die organischen Säuren aus ihren Salzen durch DZineralsäuren wieder frei und so die Braunkohle für weitere Verwendung benutzbar macht.PATENT CLAIM: Process for the extraction of ammonia from ammonia-containing Gases by transferring the gases over natural lignite, characterized in that that one is using such lignite as the so-called lubricating coal Contains free organic acids, the ammonia bound to the organic acids by means of lime or the like, and then the organic acids from their salts released again by DZineral acids and so the brown coal can be used for further use power.
DEE27558D 1922-01-12 1922-01-12 Process for obtaining ammonia from gases Expired DE368532C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEE27558D DE368532C (en) 1922-01-12 1922-01-12 Process for obtaining ammonia from gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE27558D DE368532C (en) 1922-01-12 1922-01-12 Process for obtaining ammonia from gases

Publications (1)

Publication Number Publication Date
DE368532C true DE368532C (en) 1923-07-27

Family

ID=7072794

Family Applications (1)

Application Number Title Priority Date Filing Date
DEE27558D Expired DE368532C (en) 1922-01-12 1922-01-12 Process for obtaining ammonia from gases

Country Status (1)

Country Link
DE (1) DE368532C (en)

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