DE69630448D1 - Verfahren zur rückgewinnung von metallionen - Google Patents

Verfahren zur rückgewinnung von metallionen

Info

Publication number
DE69630448D1
DE69630448D1 DE69630448T DE69630448T DE69630448D1 DE 69630448 D1 DE69630448 D1 DE 69630448D1 DE 69630448 T DE69630448 T DE 69630448T DE 69630448 T DE69630448 T DE 69630448T DE 69630448 D1 DE69630448 D1 DE 69630448D1
Authority
DE
Germany
Prior art keywords
target metal
water
soluble polymer
aqueous solution
metalions
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.)
Expired - Fee Related
Application number
DE69630448T
Other languages
English (en)
Other versions
DE69630448T2 (de
Inventor
F Smith
W Robison
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.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Publication of DE69630448D1 publication Critical patent/DE69630448D1/de
Application granted granted Critical
Publication of DE69630448T2 publication Critical patent/DE69630448T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/41—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds using a solution of normally solid organic compounds, e.g. dissolved polymers, sugars, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE69630448T 1995-05-30 1996-05-30 Verfahren zur rückgewinnung von metallionen Expired - Fee Related DE69630448T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US453406 1995-05-30
US08/453,406 US5766478A (en) 1995-05-30 1995-05-30 Water-soluble polymers for recovery of metal ions from aqueous streams
PCT/US1996/008143 WO1996038220A1 (en) 1995-05-30 1996-05-30 Process for recovery of metal ions

Publications (2)

Publication Number Publication Date
DE69630448D1 true DE69630448D1 (de) 2003-11-27
DE69630448T2 DE69630448T2 (de) 2004-07-22

Family

ID=23800451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630448T Expired - Fee Related DE69630448T2 (de) 1995-05-30 1996-05-30 Verfahren zur rückgewinnung von metallionen

Country Status (8)

Country Link
US (1) US5766478A (de)
EP (1) EP0828552B1 (de)
JP (1) JP3810438B2 (de)
AT (1) ATE252413T1 (de)
AU (1) AU5958496A (de)
DE (1) DE69630448T2 (de)
ES (1) ES2213177T3 (de)
WO (1) WO1996038220A1 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3307554B2 (ja) * 1997-02-25 2002-07-24 信越化学工業株式会社 希土類元素の連続溶媒抽出法
GB2341602A (en) * 1997-06-09 2000-03-22 Hw Process Technologies Inc Method for separating and isolating precious metals from non precious metals dissolved in solutions
US5961833A (en) * 1997-06-09 1999-10-05 Hw Process Technologies, Inc. Method for separating and isolating gold from copper in a gold processing system
US5948263A (en) * 1997-06-11 1999-09-07 The United States Of America As Represented By The United States Department Of Energy Method for separating water soluble organics from a process stream by aqueous biphasic extraction
US6017453A (en) * 1997-06-30 2000-01-25 Texas Instruments Incorporated Apparatus and method for inline removal of impurities from wet chemicals
US6146771A (en) 1997-07-01 2000-11-14 Terumo Cardiovascular Systems Corporation Process for modifying surfaces using the reaction product of a water-insoluble polymer and a polyalkylene imine
AU758572B2 (en) * 1997-10-30 2003-03-27 Hw Process Technologies, Inc. Method for removing contaminants from process streams in metal recovery processes
FR2772742B1 (fr) * 1997-12-23 2000-02-18 Cogema Procede de separation de metaux par ultrafiltration micellaire, utilisable pour le traitement d'effluents radioactifs
JP3606735B2 (ja) 1998-04-21 2005-01-05 株式会社クボタ 活性汚泥用膜カートリッジの再生方法及びその装置
US6200478B1 (en) * 1998-06-30 2001-03-13 Texas Instruments Incorporated Apparatus and method for inline removal of impurities from wet chemicals
DE69941160D1 (de) 1999-01-15 2009-09-03 Nalco Chemical Co Zusammensetzung und verfahren zur gleichzeitigen fällung von matallionen aus halbleiterabwässern und verbessertes funktionieren eines mikrofilters
US6824646B2 (en) * 1999-03-23 2004-11-30 Oji Paper Co., Ltd. Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery
US6942754B2 (en) 1999-03-23 2005-09-13 Oji Paper Co., Ltd. Process for producing xylooligosaccharide from lignocellulose pulp
FR2794032B1 (fr) * 1999-05-27 2002-06-14 Univ Claude Bernard Lyon Procede pour separer en milieu aqueux des lanthanides et/ou des actinides par complexation-nanofiltration, et nouveaux complexants mis en oeuvre dans ce procede
US6533938B1 (en) 1999-05-27 2003-03-18 Worcester Polytechnic Institue Polymer enhanced diafiltration: filtration using PGA
US6203705B1 (en) * 1999-10-22 2001-03-20 Koch Microelectronic Service Company, Inc. Process for treating waste water containing copper
AUPQ393499A0 (en) * 1999-11-09 1999-12-02 Holbray Pty Ltd Recovery of metal values from aqueous solutions and slurries
EP1118683B1 (de) * 2000-01-20 2004-10-20 MEMBRAFLOW GMBH & CO. KG Filtersysteme Verfahren und Vorrichtung für die Reinigung und/oder Behandlung von edelmetallhaltigen Suspensionen mittels Membranfiltration
FR2813877B1 (fr) * 2000-09-11 2002-12-06 Cezus Cie Europ Du Zirconium Procede de separation de metaux tels que le zirconium et l'hafnium
KR100411178B1 (ko) * 2000-10-09 2003-12-18 한국화학연구원 신규 항균제와 이러한 항균제를 함유하는 항균탈취성 용액
US6586600B2 (en) 2000-12-06 2003-07-01 University Of Kentucky Research Foundation Multidentate sulfur-containing ligands
EP1349639B1 (de) * 2001-01-05 2008-12-03 Areva NP Verfahren zur trennung von isotopen
AUPR393601A0 (en) * 2001-03-23 2001-04-26 Oretek Limited Metal ion extraction materials and processes using same
US6616846B2 (en) 2001-08-28 2003-09-09 Mds (Canada) Inc. Extraction of phosphonates
AUPR791601A0 (en) * 2001-09-26 2001-10-18 Oretek Limited Metal ion recovery
EP1432498A1 (de) * 2001-10-03 2004-06-30 Akzo Nobel N.V. Verfahren zur verhinderung von kesselsteinbildung von membranen in einem einstufigen membranprozess
GB0126346D0 (en) * 2001-11-02 2002-01-02 Johnson Matthey Plc Improvements in materials handling and sampling
US6852369B1 (en) 2002-09-05 2005-02-08 University Of Kentucky Research Foundation Method for prevention of solid dissolution through covalent ligand bonding
WO2004071685A1 (ja) * 2003-02-14 2004-08-26 Japan Science And Technology Agency 廃ガラスの処理方法
US20060065599A1 (en) * 2003-03-27 2006-03-30 Bennett Andrea K Process for reducing the content of water-soluble salts of aqueous solutions of polymers containing vinylamine groups and use of the desalted polymers in the manufacture of multicomponent superabsorbent gels
US20050040109A1 (en) * 2003-08-22 2005-02-24 Smith Barbara F. Method of separation of small molecules from aqueous solutions
US7138462B2 (en) * 2003-08-22 2006-11-21 Los Alamos National Security, Llc Functionalized polymers for binding to solutes in aqueous solutions
US20050067341A1 (en) * 2003-09-25 2005-03-31 Green Dennis H. Continuous production membrane water treatment plant and method for operating same
CA2578338A1 (en) * 2004-07-16 2006-09-14 California Institute Of Technology Water treatment by dendrimer-enhanced filtration
US7531151B1 (en) * 2005-03-04 2009-05-12 Saint Marys Pressed Metal, Inc. Powdered metals extracted from acid mine drainage and their use in the manufacture of pressed metal articles
CA2606190A1 (en) * 2005-04-27 2006-11-02 Hw Process Technologies, Inc. Treating produced waters
US9352988B2 (en) * 2005-11-17 2016-05-31 Janos Borbely Pb2+-ion binding by polyacid-based nanoparticles
US8206592B2 (en) * 2005-12-15 2012-06-26 Siemens Industry, Inc. Treating acidic water
EP1842207B1 (de) * 2006-01-06 2008-09-03 Saha Institute of Nuclear Physics Trennung trägerfreier thallium-radionuklide von trägerfreien blei- und quecksilber-radionukliden mittels dialyse
FR2896705B1 (fr) * 2006-01-30 2008-12-05 Commissariat Energie Atomique Procede de separation en milieu aqueux d'au moins un element actinide d'elements lanthanides par complexation et filtration membranaire
US20070224115A1 (en) * 2006-03-22 2007-09-27 The Regents Of The University Of California Polymeric chelators for radionuclide delivery systems
US20070278151A1 (en) * 2006-05-31 2007-12-06 Musale Deepak A Method of improving performance of ultrafiltration or microfiltration membrane processes in backwash water treatment
US20070278152A1 (en) * 2006-05-31 2007-12-06 Musale Deepak A Method of improving performance of ultrafiltration or microfiltration membrane process in landfill leachate treatment
CN101506307B (zh) * 2006-08-09 2012-02-01 Dic株式会社 金属纳米颗粒分散体及其制造方法
US9328003B2 (en) 2006-09-07 2016-05-03 Nalco Company Method of heavy metal removal from water streams
US20080197075A1 (en) * 2006-09-07 2008-08-21 Musale Deepak A Removing mercury and other heavy metals from industrial wastewater
US20080060997A1 (en) * 2006-09-07 2008-03-13 Musale Deepak A Method of heavy metals removal from municipal wastewater
US20080060999A1 (en) * 2006-09-07 2008-03-13 Musale Deepak A Method of heavy metal removal from industrial wastewater using submerged ultrafiltration or microfiltration membranes
CL2007002699A1 (es) * 2006-09-20 2008-02-29 Hw Advanced Technologies Inc Metodo que comprende lixiviar metal valioso de material que lo contiene, obtener fase liquida con ion y oxido ferrico y uno de ion u oxido ferroso, pasar por membrana de nanofiltracion, obtener retentato mas concentrado en ion u oxido ferrico y menos
US20080128354A1 (en) * 2006-11-30 2008-06-05 Hw Advanced Technologies, Inc. Method for washing filtration membranes
RU2471010C2 (ru) * 2007-05-21 2012-12-27 Орбит Элюминэ Инк. Способ извлечения алюминия и железа из глиноземистых руд
US7964688B2 (en) * 2007-11-30 2011-06-21 Laurino Joseph P Chelating compound, and method of use of, poly(1-octadecyl-butanedioate) and the corresponding acid, poly(1-octadecyl-butanedioic acid)
US20100111818A1 (en) * 2008-10-29 2010-05-06 Haydock Frederick J Removal of contaminants from by-product hydrochloric acid
US8950583B2 (en) * 2008-12-06 2015-02-10 Ermes Medical Company Limited Method to remove heavy metals from a mammal
GB0901699D0 (en) * 2009-02-02 2009-03-11 Ntnu Technology Transfer As gas seperation membrane
CN102413908B (zh) * 2009-04-29 2015-09-23 巴斯夫欧洲公司 借助膜过滤调节催化剂的方法
US8575218B2 (en) * 2009-09-28 2013-11-05 The University Of Kentucky Research Foundation Thiol-containing compounds for the removal of elements from tissues and formulations therefor
IN2012DN02586A (de) * 2009-09-28 2015-08-28 Univ Kentucky Res Found
JP5478240B2 (ja) * 2009-12-25 2014-04-23 株式会社日立製作所 金属回収方法および金属分離回収装置
KR101786140B1 (ko) * 2010-03-03 2017-10-17 쓰리엠 이노베이티브 프로퍼티즈 컴파니 리간드 구아니디닐 기능화된 중합체
US8426368B2 (en) * 2010-03-25 2013-04-23 The University Of Kentucky Research Foundation Method of ameliorating oxidative stress and supplementing the diet
JP5213925B2 (ja) * 2010-07-28 2013-06-19 株式会社日立製作所 希土類金属凝集剤
US8815184B2 (en) 2010-08-16 2014-08-26 Chevron U.S.A. Inc. Process for separating and recovering metals
RU2489353C2 (ru) * 2011-01-25 2013-08-10 Закрытое акционерное общество "Инновации ленинградских институтов и предприятий" (ЗАО ИЛИП) Способ очистки солей алюминия от железа
US8834725B2 (en) 2011-01-31 2014-09-16 Chevron U.S.A. Inc. Method for treating acid mine drainage
EP2686458A4 (de) 2011-03-18 2015-04-15 Orbite Aluminae Inc Verfahren zur wiedergewinnung von seltenerdelementen aus aluminiumhaltigen materialien
KR101276660B1 (ko) 2011-05-04 2013-06-19 알엠텍 주식회사 미생물 연료전지를 이용한 중금속 제거 또는 귀금속 회수 방법
CN103857810A (zh) 2011-05-04 2014-06-11 奥贝特铝业有限公司 用于从各种矿石中回收稀土元素的方法
US9150428B2 (en) 2011-06-03 2015-10-06 Orbite Aluminae Inc. Methods for separating iron ions from aluminum ions
RU2014114938A (ru) 2011-09-16 2015-10-27 Орбит Элюминэ Инк. Способы получения оксида алюминия и разнообразных других продуктов
RU2579843C2 (ru) 2012-01-10 2016-04-10 Орбит Текнолоджис Инк. Способы обработки красного шлама
JP5677345B2 (ja) * 2012-03-19 2015-02-25 株式会社日立製作所 希土類分離回収方法およびこれを用いた装置
CA2903512C (en) 2012-03-29 2017-12-05 Orbite Technologies Inc. Processes for treating fly ashes
US10087197B2 (en) 2012-05-21 2018-10-02 Western Michigan University Research Foundation Selective extraction of anions from solution
EP2852558B1 (de) * 2012-05-21 2020-09-09 The Board of Trustees of Western Michigan University Selektive extraktion von anionen aus einer lösung
MY175471A (en) 2012-07-12 2020-06-29 Orbite Tech Inc Processes for preparing titanium oxide and various other products
US20140037626A1 (en) * 2012-07-18 2014-02-06 Echogen, Inc. Metal Abstraction Peptide With Release of Metal
JP6017231B2 (ja) * 2012-08-31 2016-10-26 第一工業製薬株式会社 ポリイオンコンプレックスによる有用金属・有害金属の捕集方法
JP2015535886A (ja) 2012-09-26 2015-12-17 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
AU2013344721A1 (en) 2012-11-14 2015-07-02 Orbite Aluminae Inc. Methods for purifying aluminium ions
WO2014105944A1 (en) * 2012-12-28 2014-07-03 Flsmidth A/S Use of enzymes for recovering a metal from a metal-containing ore
US20140360945A1 (en) * 2013-06-06 2014-12-11 Baker Hughes Incorporated Composition and process for removing ions
KR20150003971A (ko) * 2013-07-01 2015-01-12 삼성전자주식회사 포스포네이트기 함유 이온성 올리고머를 포함한 유도 용질 및 이를 이용한 정삼투 수처리 장치와 정삼투 수처리 방법
JP6526441B2 (ja) * 2014-02-28 2019-06-05 アークレイ株式会社 金属の回収方法および金属の回収試薬
US10107793B2 (en) 2014-02-28 2018-10-23 Arkray, Inc. Method for recovering metal
JP6182096B2 (ja) * 2014-03-26 2017-08-16 富士フイルム株式会社 有機溶媒溶液中の金属除去方法
US9388478B1 (en) 2014-12-19 2016-07-12 Savannah River Nuclear Solutions, Llc Technetium recovery from high alkaline solution
EP3246353B1 (de) * 2016-05-19 2021-03-17 Centre National De La Recherche Scientifique Verwendung von tensiden zur extraktion von platingruppenmetall oder gold aus organischen zusammensetzungen
US11117072B2 (en) 2018-06-29 2021-09-14 Halliburton Energy Services, Inc. Ultrasonic breaking of polymer-containing fluids for use in subterranean formations
US11385183B2 (en) * 2019-10-09 2022-07-12 King Fahd University Of Petroleum And Minerals Method for detecting copper(II) ions using a hydrazone-based colorimetric sensor
CN110818140A (zh) * 2019-12-02 2020-02-21 天津城建大学 一种电镀废水的处理方法
US11370676B2 (en) 2019-12-04 2022-06-28 Halliburton Energy Services, Inc. Methods of removing polymers from treatment fluids for use in subterranean formations
US11279870B2 (en) 2019-12-04 2022-03-22 Halliburton Energy Services, Inc. Cavitation of polymer-containing fluids for use in subterranean formations
US11485899B2 (en) 2019-12-04 2022-11-01 Halliburton Energy Services, Inc. Methods of reducing zinc concentration in fluids
WO2024094892A1 (en) 2022-11-04 2024-05-10 Cytec Industries Inc. Titanate scale inhibition in a single stream bayer process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294494A (en) * 1966-02-28 1966-12-27 Fletcher L Moore Method for removing lanthanides and trivalent actinides from aqueous nitrate solutions
JPS5745633B2 (de) * 1973-12-08 1982-09-29
US4461747A (en) * 1982-01-13 1984-07-24 Commissariat A L'energie Atomique Method for separating actinides from lanthanides in an acidic aqueous solution
US4574072A (en) * 1983-07-26 1986-03-04 The United States Of America As Represented By The United States Department Of Energy Method for extracting lanthanides and actinides from acid solutions by modification of purex solvent
US4770784A (en) * 1985-11-29 1988-09-13 The Standard Oil Company Scrubbing process for high feed concentrations
US5338532A (en) * 1986-08-18 1994-08-16 The Dow Chemical Company Starburst conjugates
US4741831A (en) * 1986-12-04 1988-05-03 The Dow Chemical Company Process and composition for removal of metal ions from aqueous solutions
US5387365A (en) * 1989-12-20 1995-02-07 Miyoshi Yushi Kabushiki Kaisha Metal scavengers for treating waste water
US5347071A (en) * 1989-12-20 1994-09-13 Miyoshi Yushi Kabushiki Kaisha Process for the removal of heavy metals from contaminants
EP0437851A3 (en) * 1990-01-10 1992-01-15 Idemitsu Kosan Company Limited Process for preparation of resin composition for powder molding and process for production of powder molded product
US5409678A (en) * 1990-10-22 1995-04-25 The United States Of America As Represented By The Department Of Energy Separations of actinides, lanthanides and other metals
FR2680363B1 (fr) * 1991-08-14 1994-03-04 Commissariat A Energie Atomique Procede pour separer les actinides des lanthanides par extraction selective des actinides dans un solvant organique comprenant un propanediamide.
FR2684670B1 (fr) * 1991-12-05 1995-04-07 Commissariat Energie Atomique Amides a substituant heterocyclique azote, leur procede de preparation et leur utilisation pour extraire selectivement les actinides (iii) et les separer en particulier des lanthanides (iii).
US5346627A (en) * 1992-03-03 1994-09-13 Nalco Chemical Company Method for removing metals from a fluid stream
JP3412842B2 (ja) * 1992-07-28 2003-06-03 ミヨシ油脂株式会社 金属捕集剤及びその製造方法

Also Published As

Publication number Publication date
JPH11506501A (ja) 1999-06-08
JP3810438B2 (ja) 2006-08-16
WO1996038220A1 (en) 1996-12-05
EP0828552B1 (de) 2003-10-22
AU5958496A (en) 1996-12-18
ES2213177T3 (es) 2004-08-16
DE69630448T2 (de) 2004-07-22
US5766478A (en) 1998-06-16
EP0828552A4 (de) 1998-07-29
EP0828552A1 (de) 1998-03-18
ATE252413T1 (de) 2003-11-15

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