BRPI0518166B1 - Processo para a desoxidação de pós de metal de válvula por meio de metais redutores - Google Patents

Processo para a desoxidação de pós de metal de válvula por meio de metais redutores

Info

Publication number
BRPI0518166B1
BRPI0518166B1 BRPI0518166-6B1A BRPI0518166A BRPI0518166B1 BR PI0518166 B1 BRPI0518166 B1 BR PI0518166B1 BR PI0518166 A BRPI0518166 A BR PI0518166A BR PI0518166 B1 BRPI0518166 B1 BR PI0518166B1
Authority
BR
Brazil
Prior art keywords
deoxidizing
metal powders
valve metal
reducing metals
metals
Prior art date
Application number
BRPI0518166-6B1A
Other languages
English (en)
Inventor
Helmut Haas
Ulrich Bartmann
Christoph Schnitter
Elisabeth Droste
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 filed Critical
Priority to BR122013020400-8A priority Critical patent/BR122013020400B1/pt
Publication of BRPI0518166A publication Critical patent/BRPI0518166A/pt
Publication of BRPI0518166B1 publication Critical patent/BRPI0518166B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H01G9/0525—Powder therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1204—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent
    • C22B34/1209—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent by dry processes, e.g. with selective chlorination of iron or with formation of a titanium bearing slag
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/08—Apparatus
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/18—Reducing step-by-step
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
BRPI0518166-6B1A 2004-10-08 2005-09-24 Processo para a desoxidação de pós de metal de válvula por meio de metais redutores BRPI0518166B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122013020400-8A BR122013020400B1 (pt) 2004-10-08 2005-09-24 Pó de tântalo

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004049039A DE102004049039B4 (de) 2004-10-08 2004-10-08 Verfahren zur Herstellung feinteiliger Ventilmetallpulver
PCT/EP2005/010362 WO2006039999A1 (de) 2004-10-08 2005-09-24 Verfahren zur herstellung von ventilmetallpulvern

Publications (2)

Publication Number Publication Date
BRPI0518166A BRPI0518166A (pt) 2008-11-04
BRPI0518166B1 true BRPI0518166B1 (pt) 2013-11-26

Family

ID=35431357

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122013020400-8A BR122013020400B1 (pt) 2004-10-08 2005-09-24 Pó de tântalo
BRPI0518166-6B1A BRPI0518166B1 (pt) 2004-10-08 2005-09-24 Processo para a desoxidação de pós de metal de válvula por meio de metais redutores

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR122013020400-8A BR122013020400B1 (pt) 2004-10-08 2005-09-24 Pó de tântalo

Country Status (16)

Country Link
US (2) US10032564B2 (pt)
EP (2) EP1802412B1 (pt)
JP (3) JP5888830B2 (pt)
KR (1) KR101311146B1 (pt)
CN (2) CN102294472B (pt)
AP (1) AP2027A (pt)
AU (2) AU2005293876B2 (pt)
BR (2) BR122013020400B1 (pt)
DE (1) DE102004049039B4 (pt)
IL (1) IL182221A0 (pt)
MX (1) MX2007003961A (pt)
PT (1) PT1802412E (pt)
RU (1) RU2405659C2 (pt)
TW (2) TWI408018B (pt)
WO (1) WO2006039999A1 (pt)
ZA (1) ZA200702886B (pt)

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CN101792857B (zh) * 2010-04-13 2012-11-21 李柏荣 一种从矿物中提炼金属的工艺
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CN105014089B (zh) * 2014-04-28 2017-06-06 湖南华威景程材料科技有限公司 一种真空碳还原制备金属铪粉的方法
KR101617351B1 (ko) 2014-12-19 2016-05-03 한국생산기술연구원 액체금속을 이용한 환원장치
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Also Published As

Publication number Publication date
US20180308641A1 (en) 2018-10-25
EP2292355A1 (de) 2011-03-09
BR122013020400B1 (pt) 2018-04-03
KR20070051957A (ko) 2007-05-18
EP1802412B1 (de) 2013-11-13
JP2014111840A (ja) 2014-06-19
ZA200702886B (en) 2008-09-25
DE102004049039B4 (de) 2009-05-07
AU2010219327B2 (en) 2013-03-28
DE102004049039A1 (de) 2006-04-20
MX2007003961A (es) 2008-03-13
US10032564B2 (en) 2018-07-24
JP2017150081A (ja) 2017-08-31
TWI523712B (zh) 2016-03-01
AU2010219327C1 (en) 2013-09-19
PT1802412E (pt) 2014-02-11
US20090214378A1 (en) 2009-08-27
TWI408018B (zh) 2013-09-11
TW200626261A (en) 2006-08-01
WO2006039999A1 (de) 2006-04-20
AU2005293876A1 (en) 2006-04-20
CN101039769B (zh) 2013-04-17
AU2010219327A1 (en) 2010-09-30
EP2292355B1 (de) 2018-08-22
CN102294472A (zh) 2011-12-28
CN102294472B (zh) 2015-09-30
RU2405659C2 (ru) 2010-12-10
EP1802412A1 (de) 2007-07-04
CN101039769A (zh) 2007-09-19
JP6147200B2 (ja) 2017-06-14
KR101311146B1 (ko) 2013-09-24
AP2007003964A0 (en) 2007-04-30
TW201306972A (zh) 2013-02-16
AP2027A (en) 2009-08-13
BRPI0518166A (pt) 2008-11-04
JP2008516082A (ja) 2008-05-15
JP5888830B2 (ja) 2016-03-22
RU2007116852A (ru) 2008-11-20
IL182221A0 (en) 2007-09-20
AU2005293876B2 (en) 2010-09-30

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