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BR9401146A - Processo de limpeza - Google Patents

Processo de limpeza

Info

Publication number
BR9401146A
BR9401146A BR9401146A BR9401146A BR9401146A BR 9401146 A BR9401146 A BR 9401146A BR 9401146 A BR9401146 A BR 9401146A BR 9401146 A BR9401146 A BR 9401146A BR 9401146 A BR9401146 A BR 9401146A
Authority
BR
Brazil
Prior art keywords
cleaning process
cleaning
Prior art date
Application number
BR9401146A
Other languages
English (en)
Inventor
Detlef Kokemueller
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 BR9401146A publication Critical patent/BR9401146A/pt

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)
BR9401146A 1993-03-15 1994-03-14 Processo de limpeza BR9401146A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9401146A true BR9401146A (pt) 1994-10-25

Family

ID=6482853

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401146A BR9401146A (pt) 1993-03-15 1994-03-14 Processo de limpeza

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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202218581D0 (en) * 2022-12-09 2023-01-25 Bluesky Environmental Engineering Ltd Compositions for the removal of deposits and methods of use

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
DE3771859D1 (de) * 1986-12-01 1991-09-05 Siemens Ag Verfahren zum reinigen eines behaelters.
US5071582A (en) * 1990-08-06 1991-12-10 Basf Corporation Coolant system cleaning solutions having silicate or siliconate-based corrosion inhibitors
EP0470553B1 (en) * 1990-08-06 1994-04-06 Basf Corporation Cooling system cleaning solutions
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
ES2102082T3 (es) 1997-07-16
FI941216A0 (fi) 1994-03-15
DE59402793D1 (de) 1997-06-26
CA2118829A1 (en) 1994-09-16
EP0616051A1 (de) 1994-09-21
DE4308209C2 (de) 1996-12-05
FI941216A (fi) 1994-09-16
DE4308209A1 (de) 1994-09-22
EP0616051B1 (de) 1997-05-21

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
HKFN Application deemed withdrawn (deleted)
FA7 Application deemed withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health