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)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacture And Refinement Of Metals (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
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
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

Also Published As

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

Similar Documents

Publication Publication Date Title
BR9407751A (en) Process for treating metal and aqueous liquid mixture
DE69402729D1 (en) Electrolytic processing using the STEM process
BR9509968A (en) Process to produce high strength and low alloy steel and high strength and low alloy steel
DE69421193D1 (en) Metal treatment agents and processes
IT1276954B1 (en) PICKLING AND PASSIVATION PROCESS OF STAINLESS STEEL WITHOUT THE USE OF NITRIC ACID
BR9101660A (en) METAL SURFACES PHOSPHATING PROCESS AND APPLICATION
EP0638663A3 (en) Intensified corrosion inhibitor and method of use.
ITMI910879A0 (en) STAINLESS STEEL PICKLING AND PASSIVATION PROCESS WITHOUT NITRIC ACID
BR9508973A (en) Leaching process of precious metal ore and surfactant polymer
IT1276955B1 (en) PICKLING AND PASSIVATION PROCESS OF STAINLESS STEEL WITHOUT THE USE OF NITRIC ACID
NO942437D0 (en) Metal leaching and recycling process
ZA947707B (en) Precipitation hardened metal alloy
DE69305583D1 (en) Method and device for descaling and cold rolling metal strip
BR9406950A (en) Process for removing metal ions from liquids
DE69328280D1 (en) Method and device for the surface treatment of metal cans, in particular made of aluminum or its alloys
BR9504559A (en) Continuous process for the capture and simultaneous precipitation of mercury in gases that contain it
DE69413214D1 (en) PLASMA ARC PROCESS AND DEVICE
DE59405492D1 (en) DEVICE FOR CRUSHING STEEL OR METAL CHIPS
BR9401955A (en) Process and apparatus for producing reactive metal granules
DE69404732D1 (en) Metal extrusion process and extrusion press
BR9403805A (en) Abrasive element and its formation process
DE69415463D1 (en) Agent for treating metal ions in aqueous solution, process for its preparation and method for treating metal ions in aqueous solution
BR9301120A (en) STEEL PIECE PHOSPHATING PROCESS
IT1276359B1 (en) ACCELERATED CORROSION PROCESS AND METAL SEPARATION IN METAL ATTACKING PLANTS USING AMMONIA TREATMENT
BR9502904A (en) Process and device for the subsequent treatment of welded sheet metal

Legal Events

Date Code Title Description
0001 Granted