FR2271308A2 - Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia - Google Patents

Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia

Info

Publication number
FR2271308A2
FR2271308A2 FR7416538A FR7416538A FR2271308A2 FR 2271308 A2 FR2271308 A2 FR 2271308A2 FR 7416538 A FR7416538 A FR 7416538A FR 7416538 A FR7416538 A FR 7416538A FR 2271308 A2 FR2271308 A2 FR 2271308A2
Authority
FR
France
Prior art keywords
cyanate
molten salt
regenerating
pretreated
liberate ammonia
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.)
Granted
Application number
FR7416538A
Other languages
English (en)
French (fr)
Other versions
FR2271308B2 (en:Method
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.)
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Original Assignee
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
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
Priority to AR254266A priority Critical patent/AR204533A1/es
Application filed by Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA filed Critical Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Priority to FR7416538A priority patent/FR2271308A2/fr
Priority to SE7407982A priority patent/SE411461B/xx
Priority to IT68911/74A priority patent/IT1011999B/it
Priority to ES427426A priority patent/ES427426A1/es
Priority to NL7408198A priority patent/NL7408198A/xx
Priority to BR5013/74A priority patent/BR7405013A/pt
Priority to CH841774A priority patent/CH593344A5/xx
Priority to DD179327A priority patent/DD112667A5/xx
Priority to DE2429679A priority patent/DE2429679B2/de
Priority to CA203,001A priority patent/CA1037844A/en
Priority to JP49069738A priority patent/JPS5068932A/ja
Priority to GB2741974A priority patent/GB1433690A/en
Publication of FR2271308A2 publication Critical patent/FR2271308A2/fr
Application granted granted Critical
Publication of FR2271308B2 publication Critical patent/FR2271308B2/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
FR7416538A 1973-06-20 1974-05-14 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia Granted FR2271308A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
AR254266A AR204533A1 (es) 1973-06-20 1974-01-01 Procedimiento de regeneracion de un bano de sales fundidas que contiene cianatos y carbonatos
FR7416538A FR2271308A2 (en) 1974-05-14 1974-05-14 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia
SE7407982A SE411461B (sv) 1973-06-20 1974-06-17 Sett att regenerera ett bad av smelta salter medelst sonderdelningsprodukter av amider
IT68911/74A IT1011999B (it) 1973-06-20 1974-06-18 Procedimento per la rigenerazione di un ragno di sali mediante i pro dotti di decomposizione delle ammi di
NL7408198A NL7408198A (en:Method) 1973-06-20 1974-06-19
BR5013/74A BR7405013A (pt) 1973-06-20 1974-06-19 Processo de regernacao de banho de sais fundidos
ES427426A ES427426A1 (es) 1973-06-20 1974-06-19 Un procedimiento de regeneracion de un bano de sales fundi-das que contiene cianatos y carbonatos.
CH841774A CH593344A5 (en:Method) 1973-06-20 1974-06-19
DD179327A DD112667A5 (en:Method) 1973-06-20 1974-06-20
DE2429679A DE2429679B2 (de) 1973-06-20 1974-06-20 Verfahren zur Herstellung eines Regeneriermittels zur Regenerierung eines Nitrier-Salzbades
CA203,001A CA1037844A (en) 1973-06-20 1974-06-20 Regeneration process
JP49069738A JPS5068932A (en:Method) 1973-06-20 1974-06-20
GB2741974A GB1433690A (en) 1973-06-20 1974-06-20 Regeneration of salt baths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7416538A FR2271308A2 (en) 1974-05-14 1974-05-14 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia

Publications (2)

Publication Number Publication Date
FR2271308A2 true FR2271308A2 (en) 1975-12-12
FR2271308B2 FR2271308B2 (en:Method) 1978-05-12

Family

ID=9138772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416538A Granted FR2271308A2 (en) 1973-06-20 1974-05-14 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia

Country Status (1)

Country Link
FR (1) FR2271308A2 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030279C1 (en) * 1990-09-25 1992-06-04 Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030279C1 (en) * 1990-09-25 1992-06-04 Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor

Also Published As

Publication number Publication date
FR2271308B2 (en:Method) 1978-05-12

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