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IT1276359B1 - ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT - Google Patents

ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT

Info

Publication number
IT1276359B1
IT1276359B1 IT94BO000512A ITBO940512A IT1276359B1 IT 1276359 B1 IT1276359 B1 IT 1276359B1 IT 94BO000512 A IT94BO000512 A IT 94BO000512A IT BO940512 A ITBO940512 A IT BO940512A IT 1276359 B1 IT1276359 B1 IT 1276359B1
Authority
IT
Italy
Prior art keywords
metal
corrosion process
ammonia treatment
accelerated corrosion
separation
Prior art date
Application number
IT94BO000512A
Other languages
Italian (it)
Inventor
Linhard Andreas
Original Assignee
Elo Ghem Atztechink Gmbh
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 by Elo Ghem Atztechink Gmbh filed Critical Elo Ghem Atztechink Gmbh
Publication of ITBO940512A0 publication Critical patent/ITBO940512A0/en
Publication of ITBO940512A1 publication Critical patent/ITBO940512A1/en
Application granted granted Critical
Publication of IT1276359B1 publication Critical patent/IT1276359B1/en

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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
IT94BO000512A 1993-11-18 1994-11-17 ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT IT1276359B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4339320A DE4339320A1 (en) 1993-11-18 1993-11-18 Process for accelerated etching and deposition of metals in ammoniacal etching systems

Publications (3)

Publication Number Publication Date
ITBO940512A0 ITBO940512A0 (en) 1994-11-17
ITBO940512A1 ITBO940512A1 (en) 1996-05-17
IT1276359B1 true IT1276359B1 (en) 1997-10-30

Family

ID=6502857

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94BO000512A IT1276359B1 (en) 1993-11-18 1994-11-17 ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT

Country Status (7)

Country Link
JP (1) JPH07197300A (en)
CN (1) CN1107902A (en)
DE (1) DE4339320A1 (en)
FR (1) FR2712607B1 (en)
GB (1) GB2283983B (en)
HK (1) HK1001095A1 (en)
IT (1) IT1276359B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042425A (en) * 2019-04-23 2019-07-23 博罗县华盈科技有限公司 A kind of heavy process for copper of alkaline etching waste liquid for producing direct electrowinning

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294804A (en) * 1970-07-24 1972-11-01 Shipley Co Etchant for cupreous metals
BE789944A (en) * 1971-10-12 1973-02-01 Shipley Co REGENERATION OF A USED COPPER ATTACK SOLUTION
DE2216269A1 (en) * 1972-04-05 1973-10-18 Hoellmueller Maschbau H METHOD OF ETCHING COPPER AND COPPER ALLOYS
DE3305319A1 (en) * 1983-02-16 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Electrolytic full regeneration process for an ammoniacal etching solution
CA2029444A1 (en) * 1990-03-21 1991-09-22 Raymond A. Letize System and process for etching with and regenerating, alkaline ammoniacal etchant solution
AT395177B (en) * 1990-07-05 1992-10-12 Provera Gmbh RESOLUTION
WO1993009267A1 (en) * 1991-11-09 1993-05-13 Hans Höllmüller Maschinenbau GmbH & Co. Process for regenerating an ammoniacal etching agent and device for implementing it
DE4218843C2 (en) * 1991-11-09 1994-04-28 Hoellmueller Maschbau H Process for the regeneration of an ammoniacal etchant and device for carrying out this process

Also Published As

Publication number Publication date
GB9422669D0 (en) 1995-01-04
ITBO940512A0 (en) 1994-11-17
CN1107902A (en) 1995-09-06
FR2712607B1 (en) 1997-06-20
HK1001095A1 (en) 1998-05-22
ITBO940512A1 (en) 1996-05-17
JPH07197300A (en) 1995-08-01
GB2283983B (en) 1997-07-02
GB2283983A (en) 1995-05-24
DE4339320A1 (en) 1995-05-24
FR2712607A1 (en) 1995-05-24

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IT1276359B1 (en) ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT

Legal Events

Date Code Title Description
0001 Granted