ATE93899T1 - Verfahren zum rueckgewinnen von refraktaeren komponenten aus formmasken beim giessen mit verlorener giessform. - Google Patents

Verfahren zum rueckgewinnen von refraktaeren komponenten aus formmasken beim giessen mit verlorener giessform.

Info

Publication number
ATE93899T1
ATE93899T1 AT89103766T AT89103766T ATE93899T1 AT E93899 T1 ATE93899 T1 AT E93899T1 AT 89103766 T AT89103766 T AT 89103766T AT 89103766 T AT89103766 T AT 89103766T AT E93899 T1 ATE93899 T1 AT E93899T1
Authority
AT
Austria
Prior art keywords
recovering
reactor
refractic
losed
components
Prior art date
Application number
AT89103766T
Other languages
English (en)
Inventor
David H Sturgis
William W Kemp
Original Assignee
Precision Castparts Corp An Or
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 Precision Castparts Corp An Or filed Critical Precision Castparts Corp An Or
Application granted granted Critical
Publication of ATE93899T1 publication Critical patent/ATE93899T1/de

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
    • 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
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/165—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents in the manufacture of multilayered shell moulds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/218—Yttrium oxides or hydroxides
    • 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
    • C22B3/32—Carboxylic acids
    • C22B3/322—Oxalic acids
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Mold Materials And Core Materials (AREA)
AT89103766T 1988-03-04 1989-03-03 Verfahren zum rueckgewinnen von refraktaeren komponenten aus formmasken beim giessen mit verlorener giessform. ATE93899T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/164,249 US4815516A (en) 1988-03-04 1988-03-04 Method for recovering casting refractory compositions from investment casting shell molds
EP89103766A EP0334077B1 (de) 1988-03-04 1989-03-03 Verfahren zum Rückgewinnen von refraktären Komponenten aus Formmasken beim Giessen mit verlorener Giessform

Publications (1)

Publication Number Publication Date
ATE93899T1 true ATE93899T1 (de) 1993-09-15

Family

ID=22593637

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89103766T ATE93899T1 (de) 1988-03-04 1989-03-03 Verfahren zum rueckgewinnen von refraktaeren komponenten aus formmasken beim giessen mit verlorener giessform.

Country Status (5)

Country Link
US (1) US4815516A (de)
EP (1) EP0334077B1 (de)
JP (1) JPH01298019A (de)
AT (1) ATE93899T1 (de)
DE (1) DE68908743T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952246A (en) * 1989-08-23 1990-08-28 Dependable Foundry Equipment Company, Inc. Plant and method for reconditioning green foundry sand
US5435959A (en) * 1993-12-17 1995-07-25 Nike, Inc. Method of making a mold and parts from the mold
US8980778B2 (en) 2006-11-10 2015-03-17 Buntrock Industries, Inc. Mold system for casting of reactive alloys
US20130189170A1 (en) * 2012-01-19 2013-07-25 General Electric Company Method for recovering yttria from casting waste and slurry
CN102583491A (zh) * 2012-02-15 2012-07-18 淄博市周村磊宝耐火材料有限公司 从宝石废料和/或陶瓷废料中制取高纯氧化钇的方法
CN103170575B (zh) * 2013-03-27 2015-04-08 山东建筑大学 一种粘土旧砂完全再生用成套设备
US10035182B2 (en) 2013-12-09 2018-07-31 United Technologies Corporation Method of fabricating an investment casting mold and slurry therefor
US9827608B2 (en) 2013-12-09 2017-11-28 United Technologies Corporation Method of fabricating an investment casting mold and slurry therefor
US9334549B2 (en) * 2013-12-20 2016-05-10 General Electric Company Systems and methods for recovery of rare-earth constituents from environmental barrier coatings
CN115321577A (zh) * 2022-08-29 2022-11-11 焦天棋 一种氧化钇的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635658A (en) * 1969-04-02 1972-01-18 Sylvania Electric Prod Rare earth oxide process
SU530731A1 (ru) * 1975-05-22 1976-10-05 Предприятие П/Я М-5539 Суспензи дл изготовлени керамических литейных форм
US4087573A (en) * 1975-09-26 1978-05-02 The United States Of America As Represented By The United States Department Of Energy Adhesive plasters
NO140925C (no) * 1978-04-14 1979-12-12 Sjeldne Jordarter Forskning Fremgangsmaate til fremstilling av yttriumoksyd med saerlig store partikler
US4386056A (en) * 1982-07-30 1983-05-31 Westinghouse Electric Corp. Recovery of yttrium and europium from contaminated solutions
US4432948A (en) * 1982-07-30 1984-02-21 U.S. Philips Corporation Recovery of yttrium and europium from contaminated solutions
JPS60161330A (ja) * 1984-01-31 1985-08-23 Kasei Optonix Co Ltd 廃希土類蛍光体からの高純度希土類酸化物の回収方法
EP0204674B1 (de) * 1985-06-06 1991-12-27 Remet Corporation Giessen von reaktionsfähigen Metallen in keramische Formen
SU1276424A1 (ru) * 1985-07-01 1986-12-15 Ордена Трудового Красного Знамени Научно-Исследовательский И Проектный Институт Обогащения И Механической Обработки Полезных Ископаемых "Уралмеханобр" Способ регенерации песков из отработанных формовочных и стержневых смесей
US4703806A (en) * 1986-07-11 1987-11-03 Howmet Turbine Components Corporation Ceramic shell mold facecoat and core coating systems for investment casting of reactive metals
US4799530A (en) * 1988-02-08 1989-01-24 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting slurries

Also Published As

Publication number Publication date
DE68908743T2 (de) 1994-04-21
EP0334077B1 (de) 1993-09-01
US4815516A (en) 1989-03-28
JPH01298019A (ja) 1989-12-01
EP0334077A1 (de) 1989-09-27
DE68908743D1 (de) 1993-10-07

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