IT1011999B - Procedimento per la rigenerazione di un ragno di sali mediante i pro dotti di decomposizione delle ammi di - Google Patents

Procedimento per la rigenerazione di un ragno di sali mediante i pro dotti di decomposizione delle ammi di

Info

Publication number
IT1011999B
IT1011999B IT68911/74A IT6891174A IT1011999B IT 1011999 B IT1011999 B IT 1011999B IT 68911/74 A IT68911/74 A IT 68911/74A IT 6891174 A IT6891174 A IT 6891174A IT 1011999 B IT1011999 B IT 1011999B
Authority
IT
Italy
Prior art keywords
ammi
spider
regeneration
salts
procedure
Prior art date
Application number
IT68911/74A
Other languages
English (en)
Italian (it)
Original Assignee
Stephanois Rech Mec
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 claimed from FR7322400A external-priority patent/FR2234380A1/fr
Priority claimed from FR7416538A external-priority patent/FR2271308A2/fr
Application filed by Stephanois Rech Mec filed Critical Stephanois Rech Mec
Application granted granted Critical
Publication of IT1011999B publication Critical patent/IT1011999B/it

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Water Treatment By Sorption (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
IT68911/74A 1973-06-20 1974-06-18 Procedimento per la rigenerazione di un ragno di sali mediante i pro dotti di decomposizione delle ammi di IT1011999B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7322400A FR2234380A1 (en) 1973-06-20 1973-06-20 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia
FR7416538A FR2271308A2 (en) 1974-05-14 1974-05-14 Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia

Publications (1)

Publication Number Publication Date
IT1011999B true IT1011999B (it) 1977-02-10

Family

ID=26217778

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (12)

Country Link
JP (1) JPS5068932A (en:Method)
AR (1) AR204533A1 (en:Method)
BR (1) BR7405013A (en:Method)
CA (1) CA1037844A (en:Method)
CH (1) CH593344A5 (en:Method)
DD (1) DD112667A5 (en:Method)
DE (1) DE2429679B2 (en:Method)
ES (1) ES427426A1 (en:Method)
GB (1) GB1433690A (en:Method)
IT (1) IT1011999B (en:Method)
NL (1) NL7408198A (en:Method)
SE (1) SE411461B (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237524A (en) * 1975-09-19 1977-03-23 Seitarou Iwasaki Method of stabilizing composition of carbonitriding salt bath
FR2556367B1 (fr) * 1983-12-09 1986-09-19 Stephanois Rech Mec Charge d'apport destinee a assurer la maintenance de bains de sels fondus pour le traitement de pieces metalliques
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
DE4119820C1 (en) * 1991-06-15 1992-09-03 Goetz Dr. 5400 Koblenz De Baum Treatment of iron@ (alloys) on same support - comprises nitriding in molten alkali metal cyanate and quenching in hot aq. salt bath

Also Published As

Publication number Publication date
AR204533A1 (es) 1976-02-12
NL7408198A (en:Method) 1974-12-24
SE411461B (sv) 1979-12-27
CA1037844A (en) 1978-09-05
JPS5068932A (en:Method) 1975-06-09
BR7405013A (pt) 1976-02-17
SE7407982L (en:Method) 1974-12-23
DD112667A5 (en:Method) 1975-04-20
DE2429679A1 (de) 1975-01-09
CH593344A5 (en:Method) 1977-11-30
GB1433690A (en) 1976-04-28
DE2429679B2 (de) 1978-03-09
ES427426A1 (es) 1976-09-16
BR7405013D0 (pt) 1975-01-07

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