FR2439825A1 - Procede de traitement continu de toles en acier, notamment pour le decapage chimique - Google Patents

Procede de traitement continu de toles en acier, notamment pour le decapage chimique

Info

Publication number
FR2439825A1
FR2439825A1 FR7926933A FR7926933A FR2439825A1 FR 2439825 A1 FR2439825 A1 FR 2439825A1 FR 7926933 A FR7926933 A FR 7926933A FR 7926933 A FR7926933 A FR 7926933A FR 2439825 A1 FR2439825 A1 FR 2439825A1
Authority
FR
France
Prior art keywords
sheet
steel sheets
scraping
chemical
continuous processing
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.)
Granted
Application number
FR7926933A
Other languages
English (en)
Other versions
FR2439825B1 (fr
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2439825A1 publication Critical patent/FR2439825A1/fr
Application granted granted Critical
Publication of FR2439825B1 publication Critical patent/FR2439825B1/fr
Granted 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
    • C23G1/36—Regeneration of waste pickling liquors
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/088—Iron or steel solutions containing organic acids

Abstract

L'INVENTION CONCERNE UN PROCEDE DE TRAITEMENT CONTINU DE TOLES EN ACIER, DANS LEQUEL ON SOUMET LA TOLE A UN CHAUFFAGE ET A UN REFROIDISSEMENT, ET AU COURS D'UNE AU MOINS DES PHASES DUQUEL ON PRODUIT SUR LA TOLE UNE COUCHE D'OXYDE. LE PROCEDE EST CARACTERISE EN CE QUE L'ON MET LADITE TOLE EN CONTACT AVEC UNE SOLUTION D'AU MOINS UN ACIDE ORGANIQUE DONT ON MAINTIENT LE PH ENTRE UNE VALEUR MINIMUM DE 1,5 ET UNE VALEUR MAXIMUM DE 4, ET DONT ON MAINTIENT LA TEMPERATURE AU-DESSUS D'UNE VALEUR MINIMUM T DONNEE PAR LA FORMULE:T20(PH-1,5)32OU PH EST LA VALEUR A LAQUELLE EST MAINTENU LE PH DE LA SOLUTION DE DECAPAGE, ET EN CE QUE LADITE SOLUTION CONTIENT DU FER EN QUANTITE SUPERIEURE A 50MILLIGRAMMES PAR LITRE. APPLICATION AU DECAPAGE DES TOLES, NOTAMMENT.
FR7926933A 1978-10-27 1979-10-23 Procede de traitement continu de toles en acier, notamment pour le decapage chimique Granted FR2439825A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6046651A BE871631A (fr) 1978-10-27 1978-10-27 Procede de decapage continu de toles en acier.

Publications (2)

Publication Number Publication Date
FR2439825A1 true FR2439825A1 (fr) 1980-05-23
FR2439825B1 FR2439825B1 (fr) 1984-03-09

Family

ID=3874802

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926933A Granted FR2439825A1 (fr) 1978-10-27 1979-10-23 Procede de traitement continu de toles en acier, notamment pour le decapage chimique

Country Status (19)

Country Link
US (1) US4389254A (fr)
JP (1) JPS5562185A (fr)
AR (1) AR217567A1 (fr)
AT (1) AT369043B (fr)
AU (1) AU528038B2 (fr)
BE (1) BE871631A (fr)
BR (1) BR7906963A (fr)
CA (1) CA1142071A (fr)
DD (1) DD147116A5 (fr)
DE (1) DE2942934A1 (fr)
ES (1) ES485437A1 (fr)
FR (1) FR2439825A1 (fr)
GB (1) GB2035379B (fr)
LU (1) LU81822A1 (fr)
MX (1) MX153201A (fr)
NL (1) NL188910C (fr)
SE (1) SE446016B (fr)
SU (1) SU1153837A3 (fr)
ZA (1) ZA795622B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH653466A5 (de) * 1981-09-01 1985-12-31 Industrieorientierte Forsch Verfahren zur dekontamination von stahloberflaechen und entsorgung der radioaktiven stoffe.
IT1225255B (it) * 1982-09-21 1990-11-05 Italimpianti Metodo di ricottura continua di nastri di lamierino d acciaio e linea di ricottura continua per l attuazione di tale metodo
LU85432A1 (fr) * 1984-06-26 1986-01-24 Centre Rech Metallurgique Procede pour le traitement superficiel d'une tole en acier
US4713119A (en) * 1986-03-20 1987-12-15 Stauffer Chemical Company Process for removing alkali metal aluminum silicate scale deposits from surfaces of chemical process equipment
FR2657888B1 (fr) * 1990-02-08 1994-04-15 Ugine Aciers Procedes de decapage de materiaux en acier inoxydable.
DE4039479A1 (de) * 1990-12-11 1992-06-17 Fraunhofer Ges Forschung Verfahren zum abtragen von oberflaechenschichten
US6288300B1 (en) 1996-09-12 2001-09-11 Consolidated Edison Company Of New York, Inc. Thermal treatment and immobilization processes for organic materials
US6084146A (en) * 1996-09-12 2000-07-04 Consolidated Edison Company Of New York, Inc. Immobilization of radioactive and hazardous contaminants and protection of surfaces against corrosion with ferric oxides
DE19723682A1 (de) * 1997-06-05 1998-12-10 Iss Gradewald Ind Schiffs Serv Verfahren zur Reinigung und Beize von Oberflächen mit Regeneration des Reinigungs- und Beizmittels
GB9807286D0 (en) * 1998-04-06 1998-06-03 Solvay Interox Ltd Pickling process
AT407755B (de) * 1998-07-15 2001-06-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
JP3397313B2 (ja) * 1999-12-20 2003-04-14 富士通株式会社 半導体装置の製造方法及び電子部品の実装方法
WO2001091929A1 (fr) * 2000-06-01 2001-12-06 Danieli Technology, Inc. Dispositif et procede d'elimination sequentielle d'oxydes d'acier
TW570856B (en) * 2001-01-18 2004-01-11 Fujitsu Ltd Solder jointing system, solder jointing method, semiconductor device manufacturing method, and semiconductor device manufacturing system
DE10154922B4 (de) * 2001-11-08 2004-04-01 Benteler Automobiltechnik Gmbh Verfahren zur Reinigung von metallischen Bauteilen
US8790532B2 (en) * 2012-01-18 2014-07-29 Ati Properties, Inc. Chemical removal of surface defects from grain oriented electrical steel
US9089887B2 (en) 2012-12-10 2015-07-28 Samuel Steel Pickling Company Line threading device and method
FR3064279B1 (fr) 2017-03-22 2020-06-26 Fives Stein Procede et dispositif de refroidissement d'une bande d'acier en defilement dans une section de refroidissement d'une ligne continue

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1302711B (fr) * 1970-12-23
US1269443A (en) * 1917-11-10 1918-06-11 Addison F Hoffman Pickling process and bath.
DE710733C (de) * 1937-10-16 1941-09-19 Schering Ag Verfahren zum Beizen von Eisen und Eisenlegierungen
US2631950A (en) * 1949-09-27 1953-03-17 Rosenfeld Myer Method of and composition for removing rust and scale
US3025189A (en) * 1958-12-10 1962-03-13 Purex Corp Ltd Composition and process for removing heat scale from metal parts
US3011907A (en) * 1960-08-24 1961-12-05 Pfizer & Co C Process for treating ferrous metals
US3310435A (en) * 1963-11-18 1967-03-21 Dravo Corp Process for continuous pickling of steel strip and regeneration of the contact acid
US3330769A (en) * 1964-01-23 1967-07-11 Minnesota Mining & Mfg Metal cleaning
US3630933A (en) * 1968-01-19 1971-12-28 Amchem Prod Amine inhibitors for acidic cleaning solutions
JPS4945469A (fr) * 1972-09-08 1974-04-30
US3796628A (en) * 1972-09-12 1974-03-12 Cariboo Pulp And Paper Co Method for reducing sulfide odors from kraft mill lime kiln stacks
JPS4982537A (fr) * 1972-11-24 1974-08-08
JPS526853B2 (fr) * 1972-12-22 1977-02-25
US3819516A (en) * 1973-04-09 1974-06-25 Dow Chemical Co Treatment of aqueous solutions contaminated with soluble organic materials
JPS5275624A (en) * 1975-12-22 1977-06-24 Sanai Sekiyu Kk Method of simultaneously carrying out rust removal and rusttproofing of steel
JPS5292832A (en) * 1976-02-02 1977-08-04 Mitsubishi Heavy Ind Ltd Method of washing scales of iron oxide

Also Published As

Publication number Publication date
LU81822A1 (fr) 1980-01-25
ES485437A1 (es) 1980-07-01
ATA696179A (de) 1982-04-15
US4389254A (en) 1983-06-21
GB2035379B (en) 1982-10-20
BR7906963A (pt) 1980-06-24
BE871631A (fr) 1979-04-27
DE2942934A1 (de) 1980-05-08
FR2439825B1 (fr) 1984-03-09
DD147116A5 (de) 1981-03-18
AT369043B (de) 1982-11-25
SE7908816L (sv) 1980-04-28
NL188910C (nl) 1992-11-02
ZA795622B (en) 1980-09-24
MX153201A (es) 1986-08-22
AR217567A1 (es) 1980-03-31
AU5211479A (en) 1980-05-08
SE446016B (sv) 1986-08-04
GB2035379A (en) 1980-06-18
SU1153837A3 (ru) 1985-04-30
CA1142071A (fr) 1983-03-01
AU528038B2 (en) 1983-04-14
NL188910B (nl) 1992-06-01
NL7907834A (nl) 1980-04-29
JPS5562185A (en) 1980-05-10

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Legal Events

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ST Notification of lapse