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DE191912C - - Google Patents

Info

Publication number
DE191912C
DE191912C DE1906191912D DE191912DA DE191912C DE 191912 C DE191912 C DE 191912C DE 1906191912 D DE1906191912 D DE 1906191912D DE 191912D A DE191912D A DE 191912DA DE 191912 C DE191912 C DE 191912C
Authority
DE
Germany
Prior art keywords
nitrates
heated
nitric acid
drainage
templates
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 - Lifetime
Application number
DE1906191912D
Other languages
German (de)
Filing date
Publication of DE191912C publication Critical patent/DE191912C/de
Application filed filed Critical
Priority to AT34576D priority Critical patent/AT34576B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/44—Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch :Patent claim: 3535 Ausführungsform des durch Patent 189865 geschützten Verfahrens zur Konzentration von Salpetersäure mittels wasserbindender Nitrate, dadurch gekennzeichnet, daß die zu konzentrierende Salpetersäure für sich erhitzt wird, und die dabei entstehenden Dämpfe in erhitzte Vorlagen geleitet werden, welche die zur Entwässerung nötigen wasserfreien Nitrate enthalten und zwecks Wiederentwässerung der Nitrate mit einem luftverdünnten Raum in Verbindung gesetzt werden können.Embodiment of the concentration method protected by patent 189865 of nitric acid by means of water-binding nitrates, characterized in that the nitric acid to be concentrated is heated by itself, and the resulting vapors are passed into heated templates, which are used for Drainage contain necessary anhydrous nitrates and for the purpose of re-drainage the nitrates can be put in contact with an air-diluted room.
DE1906191912D 1906-11-24 1906-11-24 Expired - Lifetime DE191912C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT34576D AT34576B (en) 1906-11-24 1907-11-18 Process for the concentration of nitric acid using water-binding salts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191912T

Publications (1)

Publication Number Publication Date
DE191912C true DE191912C (en)

Family

ID=5731281

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1905189865D Expired - Lifetime DE189865C (en) 1905-12-18 1905-12-18
DE1906191912D Expired - Lifetime DE191912C (en) 1906-11-24 1906-11-24

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1905189865D Expired - Lifetime DE189865C (en) 1905-12-18 1905-12-18

Country Status (2)

Country Link
DE (2) DE189865C (en)
FR (1) FR371797A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716631A (en) * 1951-11-03 1955-08-30 Hercules Powder Co Ltd Nitric acid concentration

Also Published As

Publication number Publication date
DE189865C (en)
FR371797A (en) 1907-03-15

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