DE2146257A1 - - Google Patents

Info

Publication number
DE2146257A1
DE2146257A1 DE19712146257 DE2146257A DE2146257A1 DE 2146257 A1 DE2146257 A1 DE 2146257A1 DE 19712146257 DE19712146257 DE 19712146257 DE 2146257 A DE2146257 A DE 2146257A DE 2146257 A1 DE2146257 A1 DE 2146257A1
Authority
DE
Germany
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
DE19712146257
Other languages
German (de)
Other versions
DE2146257C2 (de
DE2146257B1 (de
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 DE19712146257 priority Critical patent/DE2146257C2/de
Publication of DE2146257A1 publication Critical patent/DE2146257A1/de
Publication of DE2146257B1 publication Critical patent/DE2146257B1/de
Application granted granted Critical
Publication of DE2146257C2 publication Critical patent/DE2146257C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607—Molten salts
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
DE19712146257 1971-09-16 1971-09-16 Verfahren zur Unschädlichmachung von Abfallstoffen der Salzbadhärterei Expired DE2146257C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712146257 DE2146257C2 (de) 1971-09-16 1971-09-16 Verfahren zur Unschädlichmachung von Abfallstoffen der Salzbadhärterei

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712146257 DE2146257C2 (de) 1971-09-16 1971-09-16 Verfahren zur Unschädlichmachung von Abfallstoffen der Salzbadhärterei

Publications (3)

Publication Number Publication Date
DE2146257A1 true DE2146257A1 (enExample) 1973-03-08
DE2146257B1 DE2146257B1 (de) 1973-03-08
DE2146257C2 DE2146257C2 (de) 1974-10-31

Family

ID=5819713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712146257 Expired DE2146257C2 (de) 1971-09-16 1971-09-16 Verfahren zur Unschädlichmachung von Abfallstoffen der Salzbadhärterei

Country Status (1)

Country Link
DE (1) DE2146257C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793933A (en) * 1987-11-16 1988-12-27 Rostoker, Inc. Waste treatment method for metal hydroxide electroplating sludges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793933A (en) * 1987-11-16 1988-12-27 Rostoker, Inc. Waste treatment method for metal hydroxide electroplating sludges

Also Published As

Publication number Publication date
DE2146257C2 (de) 1974-10-31
DE2146257B1 (de) 1973-03-08

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee