DE179994C - - Google Patents

Info

Publication number
DE179994C
DE179994C DENDAT179994D DE179994DA DE179994C DE 179994 C DE179994 C DE 179994C DE NDAT179994 D DENDAT179994 D DE NDAT179994D DE 179994D A DE179994D A DE 179994DA DE 179994 C DE179994 C DE 179994C
Authority
DE
Germany
Prior art keywords
acetylene gas
acid
excretion
phosphorus
purification
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
Application number
DENDAT179994D
Other languages
German (de)
Publication of DE179994C publication Critical patent/DE179994C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C07C7/171—Sulfuric acid or oleum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treating Waste Gases (AREA)

Description

BERLIN. GEDRUCKT IN DERBERLIN. PRINTED IN THE

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Reinigung von Acetylengas , insbesondere zur Ausscheidung des Phosphorwasserstoffs, dadurch gekennzeichnet, daß das Acetylengas durch eine starke Säure, wie konzentrierte Schwefeloder Salzsäure, welcher arsenige Säure zugesetzt ist, hindurchgeleitet wird.Process for the purification of acetylene gas, in particular for the excretion of the Phosphorus, characterized in that the acetylene gas is replaced by a strong acid such as concentrated sulfur or Hydrochloric acid, to which arsenic acid is added, is passed through.
DENDAT179994D Active DE179994C (en)

Publications (1)

Publication Number Publication Date
DE179994C true DE179994C (en)

Family

ID=444284

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT179994D Active DE179994C (en)

Country Status (1)

Country Link
DE (1) DE179994C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201944B (en) * 1961-03-14 1965-09-30 Air Liquide Device for the purification of carbide acetylene with concentrated sulfuric acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201944B (en) * 1961-03-14 1965-09-30 Air Liquide Device for the purification of carbide acetylene with concentrated sulfuric acid

Similar Documents

Publication Publication Date Title
DE179994C (en)
DE2050406C3 (en) Process for the purification of technical phosphoric acid
DE19743901C1 (en) Process for the preparation of methanesulfonic acid
DE2350962A1 (en) Nitrate sepn from waste waters - by extn with water-insoluble amines and organic diluents, stripping solvent and separating nitrate
DE1249275B (en) Process for the production of nitrilotri - tris - methylenephosphonic acid
EP0230254B1 (en) Process for the treatment of reaction mixtures containing cyclohexanol, cyclohexanone and cyclohexyl-hydroperoxide
EP0758636A1 (en) Process for the treatment of waste water from a bisphenol-A preparation process
DE595072C (en)
DE34947C (en) Process for the recovery of the waste acid resulting from the cleaning of the light coal tarry oils
CH564528A5 (en) Purification of caprolactam freed from water - by counter-current multi-stage cystallisation from the melt using a solvent
DE241056C (en)
DE957121C (en) Process for the production of anhydrous formic acid from calcium formate and nitric acid
AT124520B (en) Process for the preparation of urea.
DE809808C (en) Process for the production of unsaturated aldehydes
DE389296C (en) Process for the production of pure hydrochloric acid using metals
DE833489C (en) Process for the production of analytically pure ammonium sulfate from coking ammonium sulfate
DE302671C (en)
DE1261840B (en) Process for the production of highly concentrated phosphoric acids
DE201001C (en)
DE422074C (en) Process for the production of urea salts, in particular urea nitrate, from cyanamides
DE2812682A1 (en) Desalting aq. glycolic acid solns. - by adding water-miscible solvent, e.g. acetone or dioxan, and distilling after precipitating sodium chloride
DE910302C (en) Process for the production of neutral oil-free or low-neutral oil phenols
DE208355C (en)
DE1811813A1 (en) Continuous process for the extraction of phosphoric
DE1265726B (en) Process for the preparation of hydrated potassium magnesium phosphate