CA2118829A1 - Cleaning process - Google Patents

Cleaning process

Info

Publication number
CA2118829A1
CA2118829A1 CA002118829A CA2118829A CA2118829A1 CA 2118829 A1 CA2118829 A1 CA 2118829A1 CA 002118829 A CA002118829 A CA 002118829A CA 2118829 A CA2118829 A CA 2118829A CA 2118829 A1 CA2118829 A1 CA 2118829A1
Authority
CA
Canada
Prior art keywords
lead
cleaning process
process according
copper
metallic
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.)
Abandoned
Application number
CA002118829A
Other languages
English (en)
French (fr)
Inventor
Detlef Kokemuller
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of CA2118829A1 publication Critical patent/CA2118829A1/en
Abandoned 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
    • G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
CA002118829A 1993-03-15 1994-03-11 Cleaning process Abandoned CA2118829A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4308209A DE4308209C2 (de) 1993-03-15 1993-03-15 Verfahren zum Entfernen von metallischem Blei
DEP4308209.2 1993-03-15

Publications (1)

Publication Number Publication Date
CA2118829A1 true CA2118829A1 (en) 1994-09-16

Family

ID=6482853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118829A Abandoned CA2118829A1 (en) 1993-03-15 1994-03-11 Cleaning process

Country Status (7)

Country Link
EP (1) EP0616051B1 (pt)
JP (1) JPH06322567A (pt)
BR (1) BR9401146A (pt)
CA (1) CA2118829A1 (pt)
DE (2) DE4308209C2 (pt)
ES (1) ES2102082T3 (pt)
FI (1) FI941216A (pt)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB988129A (en) * 1962-11-01 1965-04-07 Bendix Corp Composition for removing finishing compounds from metal surfaces
FR1373143A (fr) * 1963-08-10 1964-09-25 Soceti Soc Civ Ile D Etudes Te Procédé et produit de décapage d'ouvrages en aciers ordinaires
NL149551B (nl) * 1964-08-04 1976-05-17 Dow Chemical Co Werkwijze voor het reinigen en passiveren van ijzerhoudende metaaloppervlakken, waarop metallisch koper is afgezet.
US3664870A (en) * 1969-10-29 1972-05-23 Nalco Chemical Co Removal and separation of metallic oxide scale
US4287002A (en) * 1979-04-09 1981-09-01 Atomic Energy Of Canada Ltd. Nuclear reactor decontamination
US4443268A (en) * 1981-11-12 1984-04-17 The Dow Chemical Company Process for removing copper and copper oxide encrustations from ferrous surfaces
US4578162A (en) * 1984-05-29 1986-03-25 The Dow Chemical Company Method for dissolving copper in the presence of iron
US4540443A (en) * 1984-06-15 1985-09-10 Union Carbide Corporation Cooling system cleaning composition
DE3533886A1 (de) * 1985-04-16 1987-03-26 Kraftwerk Union Ag Reinigungsverfahren
EP0273182B1 (de) * 1986-12-01 1991-07-31 Siemens Aktiengesellschaft Verfahren zum Reinigen eines Behälters
EP0470553B1 (en) * 1990-08-06 1994-04-06 Basf Corporation Cooling system cleaning solutions
US5071582A (en) * 1990-08-06 1991-12-10 Basf Corporation Coolant system cleaning solutions having silicate or siliconate-based corrosion inhibitors
JPH04263874A (ja) * 1991-02-18 1992-09-18 Jgc Corp 重金属汚染土壌の淨化方法

Also Published As

Publication number Publication date
JPH06322567A (ja) 1994-11-22
EP0616051B1 (de) 1997-05-21
FI941216A (fi) 1994-09-16
DE4308209A1 (de) 1994-09-22
DE4308209C2 (de) 1996-12-05
BR9401146A (pt) 1994-10-25
EP0616051A1 (de) 1994-09-21
FI941216A0 (fi) 1994-03-15
DE59402793D1 (de) 1997-06-26
ES2102082T3 (es) 1997-07-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead