DE69700928T2 - Verfahren zur Rückgewinnung von wiederverwendbaren Wertstoffen aus Schrott von Legierungen der seltenen Erden mit Eisen und Kobalt - Google Patents

Verfahren zur Rückgewinnung von wiederverwendbaren Wertstoffen aus Schrott von Legierungen der seltenen Erden mit Eisen und Kobalt

Info

Publication number
DE69700928T2
DE69700928T2 DE1997600928 DE69700928T DE69700928T2 DE 69700928 T2 DE69700928 T2 DE 69700928T2 DE 1997600928 DE1997600928 DE 1997600928 DE 69700928 T DE69700928 T DE 69700928T DE 69700928 T2 DE69700928 T2 DE 69700928T2
Authority
DE
Germany
Prior art keywords
rare earth
cobalt
iron
scrap
recovery
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
DE1997600928
Other languages
English (en)
Other versions
DE69700928D1 (de
Inventor
Kazuhiro Yamamoto
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.)
Santoku Corp
Original Assignee
Santoku Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12169155&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69700928(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Santoku Corp filed Critical Santoku Corp
Application granted granted Critical
Publication of DE69700928D1 publication Critical patent/DE69700928D1/de
Publication of DE69700928T2 publication Critical patent/DE69700928T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C22B59/00—Obtaining rare earth 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
DE1997600928 1996-02-13 1997-02-12 Verfahren zur Rückgewinnung von wiederverwendbaren Wertstoffen aus Schrott von Legierungen der seltenen Erden mit Eisen und Kobalt Expired - Fee Related DE69700928T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2555396A JPH09217132A (ja) 1996-02-13 1996-02-13 希土類−鉄系合金からの有用元素の回収方法

Publications (2)

Publication Number Publication Date
DE69700928D1 DE69700928D1 (de) 2000-01-20
DE69700928T2 true DE69700928T2 (de) 2000-07-20

Family

ID=12169155

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997600928 Expired - Fee Related DE69700928T2 (de) 1996-02-13 1997-02-12 Verfahren zur Rückgewinnung von wiederverwendbaren Wertstoffen aus Schrott von Legierungen der seltenen Erden mit Eisen und Kobalt

Country Status (7)

Country Link
US (1) US5961938A (de)
EP (1) EP0790321B1 (de)
JP (1) JPH09217132A (de)
CN (1) CN1064086C (de)
AT (1) ATE187778T1 (de)
DE (1) DE69700928T2 (de)
MY (1) MY115656A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000024676A1 (en) * 1998-10-26 2000-05-04 University Of Utah A molecular decomposition process for the synthesis of nanosize ceramic and metallic powders
US7311754B2 (en) * 1998-10-26 2007-12-25 University Of Utah Research Foundation Molecular decomposition processes for the synthesis of nanosize metallic powders
KR100853089B1 (ko) 2001-07-10 2008-08-19 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 자석 스크랩 및/또는 슬러지의 재용해 방법 및자석용 합금 및 희토류 소결 자석
AU2003221047A1 (en) * 2002-03-19 2003-09-29 Santoku Corporation Method for recovering useful element from rare earth - transition metal alloy scrap
JP4730903B2 (ja) * 2006-03-01 2011-07-20 三井金属鉱業株式会社 セリウム系研摩材用原料の回収方法
BRPI0604853B1 (pt) * 2006-10-27 2016-03-08 Vale Do Rio Doce Co método para produção de cobalto metálico a partir de refinado de extração por solventes de níquel
JP5262736B2 (ja) * 2009-01-15 2013-08-14 中央電気工業株式会社 希土類元素の回収方法
CN101831543B (zh) * 2010-05-20 2012-09-26 宜兴市长江稀土冶炼厂 稀土连续式沉淀工艺
CN102154553B (zh) * 2011-02-26 2012-05-30 赣州力赛科新技术有限公司 一种含有高价值元素铁基废料自然氧化除铁铝的方法
CN102206755B (zh) * 2011-03-06 2013-08-21 林剑 一种从钕铁硼废料中分离回收有价元素的方法
RU2469116C1 (ru) * 2011-03-14 2012-12-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский ядерный университет "МИФИ" Способ переработки шлифотходов от производства постоянных магнитов
JP5713287B2 (ja) * 2011-04-11 2015-05-07 独立行政法人物質・材料研究機構 希土類元素の抽出方法
JP5740227B2 (ja) * 2011-06-30 2015-06-24 株式会社東芝 レアメタルの製造方法
US8940256B2 (en) 2011-12-07 2015-01-27 Xylon Technical Ceramics, Inc. Method for recycling of rare earth and zirconium oxide materials
JP6052586B2 (ja) * 2012-09-03 2016-12-27 国立大学法人島根大学 ネオジム回収方法
FR2997095B1 (fr) * 2012-10-24 2014-11-28 Commissariat Energie Atomique Procede pour isoler les terres rares et/ou element(s) metallique(s) annexe(s) contenus dans la phase magnetique d'aimants permanents.
CN103773953B (zh) * 2014-02-21 2016-03-02 广东中合稀有金属再生科技有限责任公司 一种采用离子交换法富集低稀土浓度洗出液的方法
CN103849774B (zh) * 2014-03-10 2015-11-25 北京国电龙源环保工程有限公司 一种废弃scr催化剂回收利用的方法
CN104451151B (zh) * 2014-06-16 2017-12-01 赣州力赛科新技术有限公司 一种含有高价值元素氢氧化铁基原料的制备方法
CN104480316B (zh) * 2014-12-24 2016-12-07 连云港市兆昱新材料实业有限公司 一种从钕铁硼磁材废料中回收Co元素的简便化工业方法
WO2019204554A1 (en) * 2018-04-19 2019-10-24 Warner Babcock Institute For Green Chemistry, Llc Methods of rare earth metal recovery from electronic waste
JP7151916B2 (ja) * 2019-02-05 2022-10-12 信越化学工業株式会社 酸性スラリーの製造方法及び希土類元素の回収方法
JP7044082B2 (ja) * 2019-02-05 2022-03-30 信越化学工業株式会社 酸性スラリーの製造方法及び希土類元素の回収方法
EP3795704B1 (de) * 2019-09-17 2024-02-21 Institut "Jozef Stefan" Verfahren zur selektiven rückgewinnung von seltenerdelementen aus nd-fe-b-magnet-abfällen auf basis von elektrolyse
CN111855644A (zh) * 2020-07-07 2020-10-30 中国科学院金属研究所 一种溶度积驱动电解液中稀土元素富集及定量的方法
CN113667823A (zh) * 2021-07-15 2021-11-19 江西理工大学 一种钕铁硼废料综合回收稀土和铁的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62187112A (ja) * 1986-02-13 1987-08-15 Santoku Kinzoku Kogyo Kk 希土類元素・鉄系磁石材料から希土類元素を回収する方法
JPS634028A (ja) 1986-06-23 1988-01-09 Sumitomo Metal Mining Co Ltd 希土類と鉄を含有するスクラツプの処理方法
JPS63182216A (ja) * 1987-01-20 1988-07-27 Daido Steel Co Ltd 希土類元素の分離回収方法
JPH01183415A (ja) * 1988-01-13 1989-07-21 Daido Steel Co Ltd 希土類元素の分離回収方法
FR2627477B1 (fr) * 1988-02-19 1990-07-06 Rhone Poulenc Chimie Procede de traitement de residus contenant des terres rares et du cobalt
FR2643911B1 (fr) * 1989-03-03 1992-06-12 Rhone Poulenc Chimie Procede de traitement de minerais de terres rares
EP0467180A3 (en) * 1990-07-17 1992-03-18 Iowa State University Research Foundation, Inc. Rare earth/transition metal alloy scrap treatment method
ZA922589B (en) * 1991-04-15 1992-12-30 De Beers Ind Diamond A process using an acidic medium containing nitric acid
JPH0772312B2 (ja) * 1991-05-17 1995-08-02 住友金属鉱山株式会社 希土類元素の回収方法
JPH0772312A (ja) 1993-09-06 1995-03-17 Fuji Photo Film Co Ltd フレネルレンズの製造装置と製造方法

Also Published As

Publication number Publication date
EP0790321A1 (de) 1997-08-20
CN1168926A (zh) 1997-12-31
JPH09217132A (ja) 1997-08-19
DE69700928D1 (de) 2000-01-20
ATE187778T1 (de) 2000-01-15
US5961938A (en) 1999-10-05
MY115656A (en) 2003-08-30
CN1064086C (zh) 2001-04-04
EP0790321B1 (de) 1999-12-15

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