PE20000486A1 - Composiciones colectoras de minerales y procesos - Google Patents
Composiciones colectoras de minerales y procesosInfo
- Publication number
- PE20000486A1 PE20000486A1 PE1999000390A PE00039099A PE20000486A1 PE 20000486 A1 PE20000486 A1 PE 20000486A1 PE 1999000390 A PE1999000390 A PE 1999000390A PE 00039099 A PE00039099 A PE 00039099A PE 20000486 A1 PE20000486 A1 PE 20000486A1
- Authority
- PE
- Peru
- Prior art keywords
- composition
- fatty
- salt
- minerals
- ester
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/16—Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B3/1608—Leaching with acyclic or carbocyclic agents
- C22B3/1616—Leaching with acyclic or carbocyclic agents of a single type
- C22B3/165—Leaching with acyclic or carbocyclic agents of a single type with organic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/006—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C259/00—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups
- C07C259/04—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids
- C07C259/06—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
COMPOSICION COLECTORA QUE COMPRENDE i) UNA MEZCLA DE UN ACIDO HIDROXAMICO GRASO C6-C22, PRESENTE EN UNA CANTIDAD APROXIMADA DE 5% A 70% EN PESO DE LA COMPOSICION; ii) UN ACEITE DE PARAFINA DE BAJO OLOR CON UN CONTENIDO AROMATICO INFERIOR AL 1%, DE PREFERENCIA ACEITES DE HIDROCARBUROS, ACEITES VEGETALES GRASOS, ACEITES DE ANIMALES GRASOS Y MEZCLA DE LOS MISMOS, EN UNA CANTIDAD APROXIMADA ENTRE 10% A 95% EN PESO DE LA COMPOSICION; iii) UNA CANTIDAD DE ESTER C6-C22 INICIAL, QUE ES INFERIOR QUE LA DEL ACIDO HIDROXAMICO GRASO C6-C22. ADEMAS COMPRENDE HASTA APROXIMADAMENTE 70% EN PESO DE UN ESPUMANTE, DE PREFERENCIA ESPUMANTE ALCOHOLICO C5-C8. EL METODO PARA PREPARAR DICHA COMPOSICION COMPRENDE : a) REACCIONAR EL ESTER CON UNA SAL DE HIDROXAMINA Y UNA BASE EN PRESENCIA DE UN ACEITE Y AGUA, PARA PRODUCIR UNA SAL DE HIDROXAMATO ALQUILICO; b) ACIDIFICAR DICHA SAL, FORMANDO UNA CAPA ORGANICA Y UNA CAPA ACUOSA; c) SEPARAR LA CAPA ORGANICA DE LA CAPA ACUOSA PARA DAR UNA COMPOSICION COLECTORA DE MINERALES
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/085,364 US6145667A (en) | 1998-05-27 | 1998-05-27 | Mineral collector compositions and processes for making and using same |
Publications (1)
Publication Number | Publication Date |
---|---|
PE20000486A1 true PE20000486A1 (es) | 2000-05-29 |
Family
ID=22191131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PE1999000390A PE20000486A1 (es) | 1998-05-27 | 1999-05-11 | Composiciones colectoras de minerales y procesos |
Country Status (18)
Country | Link |
---|---|
US (3) | US6145667A (es) |
EP (1) | EP1090150B1 (es) |
CN (1) | CN1229508C (es) |
AR (1) | AR018386A1 (es) |
AU (1) | AU756998B2 (es) |
BR (1) | BR9910736B1 (es) |
CA (1) | CA2333377C (es) |
DE (1) | DE69904820T2 (es) |
DK (1) | DK1090150T3 (es) |
ES (1) | ES2189412T3 (es) |
ID (1) | ID27167A (es) |
MY (1) | MY122450A (es) |
PE (1) | PE20000486A1 (es) |
PL (1) | PL193054B1 (es) |
RU (1) | RU2221059C2 (es) |
TR (1) | TR200003447T2 (es) |
WO (1) | WO1999061669A1 (es) |
ZA (1) | ZA200005844B (es) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6145667A (en) * | 1998-05-27 | 2000-11-14 | Cytec Technology Corp. | Mineral collector compositions and processes for making and using same |
US6378703B1 (en) * | 2000-11-30 | 2002-04-30 | Engelhard Corporation | Flotation method for removing colored impurities from kaolin clay |
AU2002318997B2 (en) * | 2001-07-27 | 2008-05-29 | Ocean House Chemicals Limited | Hydroxamate composition and method for froth flotation |
DE10320191A1 (de) * | 2003-05-07 | 2004-12-02 | Ekof Flotation Gmbh | Verwendung von Fettsäurealkylestern als Flotationsmittel |
US7393462B2 (en) * | 2004-05-13 | 2008-07-01 | Cytec Technology Corp. | Process and reagent for separating finely divided titaniferrous impurities from Kaolin |
US6994786B2 (en) * | 2004-06-07 | 2006-02-07 | Arr-Maz Products, L.P. | Phosphate beneficiation process using methyl or ethyl esters as float oils |
US7510083B2 (en) * | 2004-06-28 | 2009-03-31 | The Mosaic Company | Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation |
US7837891B2 (en) * | 2006-02-16 | 2010-11-23 | Nalco Company | Fatty acid by-products and methods of using same |
US8071715B2 (en) | 2007-01-31 | 2011-12-06 | Georgia-Pacific Chemicals Llc | Maleated and oxidized fatty acids |
CA2605053A1 (fr) * | 2007-10-02 | 2009-04-02 | Institut National De La Recherche Scientifique (Inrs) | Traitement de milieux contamines par des composes organiques hydrophobes et des metaux |
US7708144B2 (en) * | 2007-11-07 | 2010-05-04 | Richard Windgassen | Process for separation of phosphatic materials from coastal beach sand |
US8133970B2 (en) * | 2008-01-31 | 2012-03-13 | Georgia-Pacific Chemicals Llc | Oxidized and maleated derivative compositions |
CN101259451B (zh) * | 2008-04-24 | 2012-01-11 | 中南大学 | 一种选矿捕收剂的制备方法 |
CN101385996B (zh) * | 2008-09-10 | 2012-12-19 | 中国矿业大学(北京) | 一种浮选促进剂的制备方法 |
US7998244B2 (en) * | 2008-12-16 | 2011-08-16 | Freedom Industries, Inc. | Process of treating metal bearing crushed rock to control respirable dust during transport in the process including a metal concentrating circuit |
CN101549327B (zh) * | 2009-05-05 | 2013-06-19 | 武汉工程大学 | 复合浮选剂的制备方法 |
CN101618369B (zh) * | 2009-07-24 | 2013-01-23 | 东北大学 | 一种赤铁矿低温浮选药剂及其制备方法 |
PE20130498A1 (es) * | 2010-01-14 | 2013-04-22 | Teebee Holdings Pty Ltd | Reactivos de flotacion |
CN101816980B (zh) * | 2010-04-30 | 2012-08-22 | 广州有色金属研究院 | 一种脂肪羟肟酸捕收剂的制备方法和用途 |
CN102205278B (zh) * | 2010-12-16 | 2012-11-28 | 云南磷化集团有限公司 | 橡胶籽油制备的胶磷矿浮选捕收剂及其方法 |
CN102626675B (zh) * | 2012-04-15 | 2015-09-02 | 烟台恒迪克能源科技有限公司 | 一种利用地沟油和工业轻质废醇制取浮选剂的方法 |
CN102921559B (zh) * | 2012-10-31 | 2014-11-05 | 中南大学 | 一种选择性浮选锂辉石的捕收剂及其应用 |
CN102962144A (zh) * | 2012-12-07 | 2013-03-13 | 中国地质科学院矿产综合利用研究所 | 一种铝土矿的高效选择性捕收剂及其制备方法 |
US9266120B2 (en) * | 2013-10-01 | 2016-02-23 | Ecolab Usa Inc | Collectors for mineral flotation |
CN103721852B (zh) * | 2013-12-31 | 2015-08-19 | 中国地质大学(武汉) | 一种碳酸锰矿浮选剂及浮选方法 |
PE20211336A1 (es) | 2014-01-31 | 2021-07-26 | Goldcorp Inc | Proceso para la separacion y recuperacion de sulfuros de metales de una mena o concentrado de sulfuros mixtos |
CN104028386A (zh) * | 2014-06-05 | 2014-09-10 | 鞍钢集团矿业公司 | 一种在软化水介质中选别细粒级贫赤铁矿的正浮选捕收剂 |
US10618058B2 (en) * | 2015-07-31 | 2020-04-14 | Colorado School Of Mines | Beneficiation of rare earth elements bearing ancylite |
PL426856A1 (pl) * | 2015-11-25 | 2019-01-02 | Cytec Industries Inc. | Kompozycje zbieracza i sposoby stosowania w procesach flotacji minerałów |
CN106179765B (zh) * | 2016-07-27 | 2018-12-28 | 湖北富邦科技股份有限公司 | 一种提磷降镁率高的磷矿反浮选捕收剂及制备方法 |
CN106391322B (zh) * | 2016-11-03 | 2019-07-23 | 武汉工程大学 | 一种低品位胶磷矿正浮选捕收剂及其制备方法 |
US11596952B2 (en) | 2018-01-16 | 2023-03-07 | Clariant International Ltd | Esterquats for the flotation of non-sulfidic minerals and ores, and method |
CN108503563B (zh) * | 2018-05-24 | 2019-12-20 | 中南大学 | 一种羟肟酸盐捕收剂的制备方法 |
CN109590115B (zh) * | 2018-12-24 | 2020-01-17 | 中南大学 | 一种矿物浮选捕收剂及其制备方法和应用 |
CN110947520A (zh) * | 2019-10-28 | 2020-04-03 | 中国地质科学院矿产综合利用研究所 | 一种用于中低品位胶磷矿反浮选的捕收剂、制备方法和应用 |
CN112007762A (zh) * | 2019-12-16 | 2020-12-01 | 中蓝连海设计研究院有限公司 | 用于含高倍半氧化物胶磷矿的正浮选调整剂及方法与用途 |
KR102244371B1 (ko) * | 2020-05-26 | 2021-04-27 | 대달산업주식회사 | 고순도의 n-하이드록시알칸아마이드 제조 방법 |
US11638923B1 (en) | 2020-09-10 | 2023-05-02 | King Saud University | Flotation reagents from acidic olive oil |
CN114632628A (zh) * | 2020-12-16 | 2022-06-17 | 中国科学院过程工程研究所 | 一种气化渣脱碳浮选增效剂及其制备方法 |
CN112844858A (zh) * | 2021-01-06 | 2021-05-28 | 河南资环检测科技有限公司 | 一种铝土矿正浮选脱硅捕收剂及其制备工艺 |
CN113119350B (zh) * | 2021-04-28 | 2023-03-24 | 郑州大学 | 一种矿化富集分离环境微纳塑料污染物的方法 |
CN114057614B (zh) * | 2021-11-05 | 2023-05-23 | 广东省科学院资源利用与稀土开发研究所 | 一种羟肟酸磺酸化合物及其制备方法和应用 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2397508A (en) * | 1943-05-29 | 1946-04-02 | Standard Oil Co | Hydroxamic acids |
US3438494A (en) * | 1966-07-25 | 1969-04-15 | Colorado School Of Mines | Flotation method for the recovery of minerals |
US3464784A (en) * | 1967-06-01 | 1969-09-02 | Gen Mills Inc | Extraction of tetravalent vanadium values from their aqueous solutions using hydroxamic acids |
US3933872A (en) * | 1970-02-11 | 1976-01-20 | Ashland Oil, Inc. | Method for preparing fatty hydroxamates |
SU513970A1 (ru) * | 1974-04-29 | 1976-05-15 | Ленинградский Ордена Ленина И Ордена Трудового Красного Знамени Горный Институт Им.Г.В.Плеханова | Способ получени флотореагента |
US3936494A (en) * | 1974-09-25 | 1976-02-03 | Diamond Shamrock Corporation | Naphthenohydroxamic acid preparation |
SU956022A1 (ru) * | 1980-01-10 | 1982-09-07 | Кузбасский Политехнический Институт | Способ обогащени карбонатно-кремнистых фосфоритовых руд |
SU982810A1 (ru) * | 1981-07-16 | 1982-12-23 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Механической Обработки Полезных Ископаемых "Механобр" | Способ обогащени сульфидных руд |
US4629556A (en) * | 1984-11-29 | 1986-12-16 | Thiele Kaolin Company | Purification of kaolin clay by froth flotation using hydroxamate collectors |
DE3725611A1 (de) * | 1987-08-01 | 1989-02-09 | Henkel Kgaa | Verfahren zur gemeinsamen abtrennung von stoerelementen aus wertmetall-elektrolytloesungen |
US5237079A (en) * | 1987-10-15 | 1993-08-17 | American Cyanamid Company | Collectors and processes for making and using same |
US4871466A (en) * | 1987-10-15 | 1989-10-03 | American Cyanamid Company | Novel collectors and processes for making and using same |
DE3915586A1 (de) * | 1989-05-12 | 1990-11-15 | Henkel Kgaa | Verfahren zur zweiphasen-extraktion von metallionen aus feste metalloxide enthaltenden phasen, mittel und verwendung |
US5126038A (en) * | 1991-08-02 | 1992-06-30 | American Cyanamid Company | Process for improved precious metals recovery from ores with the use of alkylhydroxamate collectors |
DE4204994A1 (de) * | 1992-02-19 | 1993-08-26 | Henkel Kgaa | Verfahren zur abtrennung von stoerelementen aus wertmetall-loesungen |
US5522986A (en) * | 1995-03-03 | 1996-06-04 | Thiele Kaolin Company | Process for removing impurities from kaolin clays |
US6145667A (en) * | 1998-05-27 | 2000-11-14 | Cytec Technology Corp. | Mineral collector compositions and processes for making and using same |
-
1998
- 1998-05-27 US US09/085,364 patent/US6145667A/en not_active Expired - Lifetime
-
1999
- 1999-04-13 DE DE69904820T patent/DE69904820T2/de not_active Expired - Lifetime
- 1999-04-13 ID IDW20002651A patent/ID27167A/id unknown
- 1999-04-13 DK DK99917462T patent/DK1090150T3/da active
- 1999-04-13 WO PCT/US1999/008075 patent/WO1999061669A1/en active IP Right Grant
- 1999-04-13 ES ES99917462T patent/ES2189412T3/es not_active Expired - Lifetime
- 1999-04-13 EP EP99917462A patent/EP1090150B1/en not_active Expired - Lifetime
- 1999-04-13 AU AU35579/99A patent/AU756998B2/en not_active Expired
- 1999-04-13 CA CA002333377A patent/CA2333377C/en not_active Expired - Lifetime
- 1999-04-13 BR BRPI9910736-8A patent/BR9910736B1/pt not_active IP Right Cessation
- 1999-04-13 PL PL344444A patent/PL193054B1/pl unknown
- 1999-04-13 RU RU2000132722/02A patent/RU2221059C2/ru active
- 1999-04-13 CN CNB998066370A patent/CN1229508C/zh not_active Expired - Lifetime
- 1999-04-13 TR TR2000/03447T patent/TR200003447T2/xx unknown
- 1999-04-22 MY MYPI99001589A patent/MY122450A/en unknown
- 1999-05-11 PE PE1999000390A patent/PE20000486A1/es not_active Application Discontinuation
- 1999-05-26 AR ARP990102479A patent/AR018386A1/es active IP Right Grant
-
2000
- 2000-09-15 US US09/663,721 patent/US6409022B1/en not_active Expired - Lifetime
- 2000-10-19 ZA ZA200005844A patent/ZA200005844B/en unknown
-
2002
- 2002-04-05 US US10/116,815 patent/US6739454B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1303444A (zh) | 2001-07-11 |
US6409022B1 (en) | 2002-06-25 |
DK1090150T3 (da) | 2003-04-22 |
CA2333377A1 (en) | 1999-12-02 |
CN1229508C (zh) | 2005-11-30 |
ID27167A (id) | 2001-03-08 |
CA2333377C (en) | 2008-08-19 |
PL344444A1 (en) | 2001-11-05 |
BR9910736A (pt) | 2001-02-13 |
TR200003447T2 (tr) | 2001-03-21 |
AU756998B2 (en) | 2003-01-30 |
PL193054B1 (pl) | 2007-01-31 |
US6145667A (en) | 2000-11-14 |
ES2189412T3 (es) | 2003-07-01 |
US20020148759A1 (en) | 2002-10-17 |
US6739454B2 (en) | 2004-05-25 |
ZA200005844B (en) | 2002-01-21 |
WO1999061669A1 (en) | 1999-12-02 |
DE69904820D1 (de) | 2003-02-13 |
DE69904820T2 (de) | 2003-11-06 |
EP1090150A1 (en) | 2001-04-11 |
RU2221059C2 (ru) | 2004-01-10 |
AU3557999A (en) | 1999-12-13 |
MY122450A (en) | 2006-04-29 |
BR9910736B1 (pt) | 2009-08-11 |
EP1090150B1 (en) | 2003-01-08 |
AR018386A1 (es) | 2001-11-14 |
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