BR9104318A - Lixiviacao alcalina de refugo de aco galvanizado - Google Patents
Lixiviacao alcalina de refugo de aco galvanizadoInfo
- Publication number
- BR9104318A BR9104318A BR9104318A BR9104318A BR9104318A BR 9104318 A BR9104318 A BR 9104318A BR 9104318 A BR9104318 A BR 9104318A BR 9104318 A BR9104318 A BR 9104318A BR 9104318 A BR9104318 A BR 9104318A
- Authority
- BR
- Brazil
- Prior art keywords
- scrap
- leaching solution
- tanks
- caustic
- oxidant
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/24—Obtaining zinc otherwise than by distilling with leaching with alkaline solutions, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Coating With Molten Metal (AREA)
- Processing Of Solid Wastes (AREA)
- Chemical Treatment Of Metals (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/593,435 US5106467A (en) | 1990-10-05 | 1990-10-05 | Alkaline leaching of galvanized steel scrap |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9104318A true BR9104318A (pt) | 1992-05-26 |
Family
ID=24374698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9104318A BR9104318A (pt) | 1990-10-05 | 1991-10-07 | Lixiviacao alcalina de refugo de aco galvanizado |
Country Status (16)
Country | Link |
---|---|
US (1) | US5106467A (pt) |
EP (1) | EP0479326B1 (pt) |
JP (1) | JPH055133A (pt) |
KR (1) | KR100219989B1 (pt) |
AT (1) | ATE132541T1 (pt) |
AU (1) | AU638870B2 (pt) |
BR (1) | BR9104318A (pt) |
CA (1) | CA2052849C (pt) |
DE (1) | DE69116062T2 (pt) |
ES (1) | ES2082082T3 (pt) |
FI (1) | FI97242C (pt) |
MX (1) | MX174553B (pt) |
NZ (1) | NZ240131A (pt) |
TW (1) | TW222681B (pt) |
YU (1) | YU48061B (pt) |
ZA (1) | ZA918003B (pt) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2027656C (en) * | 1990-10-15 | 1998-09-29 | Rodney L. Leroy | Galvanic dezincing of galvanized steel |
CA2038537C (en) * | 1991-03-18 | 1998-08-18 | Rodney L. Leroy | Power assisted dezincing of galvanized steel |
DE69530984D1 (de) * | 1994-07-19 | 2003-07-10 | Corus Staal Bv | Verfahren zum elektrochemischen Lösen eines Metalles, wie z. B. Zink oder Zinn |
NL9500302A (nl) * | 1995-02-17 | 1996-10-01 | Hoogovens Staal Bv | Werkwijze voor verwijderen van althans een deklaag van met een deklaag beklede metalen schrootdelen. |
JP2857600B2 (ja) * | 1995-05-11 | 1999-02-17 | 松下電器産業株式会社 | プロセッサ及びプログラム翻訳装置 |
FR2737673B1 (fr) * | 1995-08-09 | 1997-10-31 | Europ De Dezingage Comp | Procede de valorisation des dechets, constitues de toles recouvertes sur au moins une face d'une couche de zinc |
US5855765A (en) * | 1996-07-17 | 1999-01-05 | Metal Recovery Industries, Inc. | Process for dezincing galvanized steel using an electrically isolated conveyor |
US5779878A (en) * | 1996-07-17 | 1998-07-14 | Metal Recovery Industries (Us) Inc. | Process for dezincing galvanized steel |
US6258248B1 (en) | 1996-07-17 | 2001-07-10 | Metals Investment Trust Limited | Process for dezincing galvanized steel using an electrically isolated conveyor |
FR2778925B1 (fr) * | 1998-05-25 | 2001-03-02 | Ecole Nale Sup Artes Metiers | Procede permettant d'accelerer la dissolution du zinc dans des suspensions basiques et dispositif de detection de la fin de dissolution |
GB2368349A (en) * | 2000-10-27 | 2002-05-01 | Imperial College | Electrolytic extraction of metals; recycling |
US7097747B1 (en) * | 2003-08-05 | 2006-08-29 | Herceg Joseph E | Continuous process electrorefiner |
DE102004038650B4 (de) * | 2004-08-09 | 2006-10-26 | Coutelle, Rainer, Dr. | Verfahren zur Auflösung von Zink in Laugen |
KR100719833B1 (ko) * | 2004-09-15 | 2007-05-18 | 조치영 | 건물용 산소공급시스템 |
DE102008009352B4 (de) | 2008-02-14 | 2011-07-07 | DRT Deutsche Rohstofftechnik GmbH, 45478 | Zinkrecycling |
DE102008009348B4 (de) | 2008-02-14 | 2011-09-22 | Drt Deutsche Rohstofftechnik Gmbh | Recycling- und Verzinkungsverfahren |
DE102008056812B4 (de) | 2008-11-11 | 2013-03-14 | Drt Deutsche Rohstofftechnik Gmbh | Verfahren zur Aufarbeitung von sortiertem, metallbeschichtetem Stahlschrott |
WO2011141036A1 (de) * | 2010-05-10 | 2011-11-17 | Progenf Ug (Haftungsbeschränkt) | Chemische vorbehandlung und vorwärmung von stahlschrott |
DE102011011532B3 (de) * | 2011-02-17 | 2012-08-09 | ProASSORT GmbH | Verfahren zum Ablösen von Beschichtungen von Stahlschrotten |
DE102015116933A1 (de) * | 2015-06-25 | 2016-12-29 | Sms Group Gmbh | Verfahren und Vorrichtung zur Behandlung von Metallstücken |
FR3048703B1 (fr) * | 2016-03-09 | 2020-07-24 | Sarl Ind Et Techniques | Procede et systeme de traitement anticorrosion et programme d'ordinateur correspondant |
CN111733333B (zh) * | 2020-01-15 | 2022-05-03 | 欧冶链金再生资源有限公司 | 一种镀锌废钢脱锌方法 |
CN114107679B (zh) * | 2021-12-06 | 2024-03-19 | 昆明同越科技开发有限公司 | 防止镀锌钢板回收钢板生锈的方法 |
KR102623075B1 (ko) * | 2022-11-18 | 2024-01-11 | (주)에코프로머티리얼즈 | 양극 소성용 사용 후 도가니의 유가금속 회수 시스템 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US700563A (en) * | 1900-07-10 | 1902-05-20 | Samuel S Sadtler | Process of extracting metals from ores and scrap containing same. |
US983931A (en) * | 1909-07-03 | 1911-02-14 | Maugham & Lee | Detinning and degalvanizing scrap. |
US1929927A (en) * | 1930-01-08 | 1933-10-10 | Western Electric Co | Method of and system for leaching material |
DE684580C (de) * | 1937-06-30 | 1939-12-01 | Huettenwerke Kayser Akt Ges | Verfahren zum Trennen von Kupfer und anderen Buntmetallen und ihren Legierungen von Eisen oder Stahl aus plattierten Abfaellen |
US2241585A (en) * | 1938-12-07 | 1941-05-13 | Mack Mfg Corp | Process for removing metallic coatings from metallic parts |
LU41242A1 (pt) * | 1962-02-12 | 1963-08-12 | ||
US4164542A (en) * | 1973-05-08 | 1979-08-14 | Pincus Deren | Detinning process |
US3905882A (en) * | 1974-09-25 | 1975-09-16 | Harold G Hudson | Electrolytic zinc salvaging method |
US4056450A (en) * | 1975-06-30 | 1977-11-01 | M & T Chemicals Inc. | Continuous detinning system |
ZA771005B (en) * | 1976-03-04 | 1977-12-28 | British Steel Corp | Removal of coatings from ferrous objects |
FR2397472A2 (fr) * | 1977-07-13 | 1979-02-09 | Seprez | Perfectionnements aux procedes de traitement des residus des bains de galvanisation pour la recuperation du zinc |
AT371150B (de) * | 1981-08-20 | 1983-06-10 | Voest Alpine Ag | Verfahren zum abbeizen des zinkes von verzinkten gegenstaenden und zum rueckgewinnen des abgebeizten zinkes und vorrichtung zur durchfuehrung des verfahrens |
CA1193996A (fr) * | 1982-04-19 | 1985-09-24 | Joseph A. Hissel | Procede et appareil pour la recuperation du zinc de dechets zinciferes industriels |
BE892897A (fr) * | 1982-04-19 | 1982-10-19 | Ct D Etude Et De Documentation | Procede et appareil de recuperation des composants d'objets en acier galvanise. |
NL191184C (nl) * | 1982-09-30 | 1995-03-01 | Nl Onttinningsfab | Werkwijze voor het onttinnen van afval van gelakt en vertind blik. |
-
1990
- 1990-10-05 US US07/593,435 patent/US5106467A/en not_active Expired - Fee Related
-
1991
- 1991-10-04 JP JP25806291A patent/JPH055133A/ja active Pending
- 1991-10-04 MX MX9101452A patent/MX174553B/es not_active IP Right Cessation
- 1991-10-04 YU YU162691A patent/YU48061B/sh unknown
- 1991-10-04 FI FI914670A patent/FI97242C/fi active IP Right Grant
- 1991-10-04 CA CA 2052849 patent/CA2052849C/en not_active Expired - Fee Related
- 1991-10-05 TW TW80107854A patent/TW222681B/zh active
- 1991-10-05 KR KR1019910017481A patent/KR100219989B1/ko not_active IP Right Cessation
- 1991-10-07 ES ES91117047T patent/ES2082082T3/es not_active Expired - Lifetime
- 1991-10-07 DE DE69116062T patent/DE69116062T2/de not_active Expired - Fee Related
- 1991-10-07 ZA ZA918003A patent/ZA918003B/xx unknown
- 1991-10-07 AT AT91117047T patent/ATE132541T1/de not_active IP Right Cessation
- 1991-10-07 EP EP91117047A patent/EP0479326B1/en not_active Expired - Lifetime
- 1991-10-07 NZ NZ24013191A patent/NZ240131A/xx unknown
- 1991-10-07 BR BR9104318A patent/BR9104318A/pt not_active IP Right Cessation
- 1991-10-08 AU AU85673/91A patent/AU638870B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0479326B1 (en) | 1996-01-03 |
MX174553B (es) | 1994-05-25 |
FI914670A0 (fi) | 1991-10-04 |
EP0479326A1 (en) | 1992-04-08 |
JPH055133A (ja) | 1993-01-14 |
TW222681B (pt) | 1994-04-21 |
NZ240131A (en) | 1993-05-26 |
ATE132541T1 (de) | 1996-01-15 |
FI97242B (fi) | 1996-07-31 |
ES2082082T3 (es) | 1996-03-16 |
FI914670A (fi) | 1992-04-06 |
YU162691A (sh) | 1994-04-05 |
YU48061B (sh) | 1996-10-18 |
CA2052849A1 (en) | 1992-04-06 |
CA2052849C (en) | 1999-04-20 |
KR100219989B1 (ko) | 1999-09-01 |
KR920008220A (ko) | 1992-05-27 |
ZA918003B (en) | 1992-06-24 |
US5106467A (en) | 1992-04-21 |
DE69116062D1 (de) | 1996-02-15 |
FI97242C (fi) | 1996-11-11 |
AU638870B2 (en) | 1993-07-08 |
DE69116062T2 (de) | 1996-05-15 |
AU8567391A (en) | 1992-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
PC | Transfer |
Free format text: AK STEEL CORPORATION (US) |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 07/10/2011 |