BE813000A - Procede de purification en un temps d'acide epuise - Google Patents

Procede de purification en un temps d'acide epuise

Info

Publication number
BE813000A
BE813000A BE1005838A BE1005838A BE813000A BE 813000 A BE813000 A BE 813000A BE 1005838 A BE1005838 A BE 1005838A BE 1005838 A BE1005838 A BE 1005838A BE 813000 A BE813000 A BE 813000A
Authority
BE
Belgium
Prior art keywords
purification
state
acid exhausted
exhausted
acid
Prior art date
Application number
BE1005838A
Other languages
English (en)
Inventor
W J Chiasson
R T Russell
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 filed Critical
Priority to BE1005838A priority Critical patent/BE813000A/fr
Priority to DE19742417989 priority patent/DE2417989C2/de
Publication of BE813000A publication Critical patent/BE813000A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/94—Recovery from nitration acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Treating Waste Gases (AREA)
BE1005838A 1974-03-29 1974-03-29 Procede de purification en un temps d'acide epuise BE813000A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE1005838A BE813000A (fr) 1974-03-29 1974-03-29 Procede de purification en un temps d'acide epuise
DE19742417989 DE2417989C2 (en) 1974-03-29 1974-04-11 Recovering spent sulphuric acid after nitration reaction - by heating with silicon cpd. and ammonium sulphate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE1005838A BE813000A (fr) 1974-03-29 1974-03-29 Procede de purification en un temps d'acide epuise
DE19742417989 DE2417989C2 (en) 1974-03-29 1974-04-11 Recovering spent sulphuric acid after nitration reaction - by heating with silicon cpd. and ammonium sulphate

Publications (1)

Publication Number Publication Date
BE813000A true BE813000A (fr) 1974-09-30

Family

ID=25661323

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005838A BE813000A (fr) 1974-03-29 1974-03-29 Procede de purification en un temps d'acide epuise

Country Status (2)

Country Link
BE (1) BE813000A (fr)
DE (1) DE2417989C2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831941A1 (de) * 1978-07-20 1980-02-07 Basf Ag Verfahren zur reinigung von abfallschwefelsaeuren aus nitrierprozessen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313910A (en) * 1940-03-16 1943-03-16 Standard Oil Dev Co Purification of recovered sulphuric acid
US3677701A (en) * 1970-06-01 1972-07-18 Clinton A Hollingsworth Sulfuric acid defluorination

Also Published As

Publication number Publication date
DE2417989A1 (de) 1975-10-23
DE2417989C2 (en) 1989-02-23

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: ELI LILLY AND CY

Effective date: 19940329