KR102376746B9 - A method for manufacuring tantalum powder using metallothermic reduction - Google Patents

A method for manufacuring tantalum powder using metallothermic reduction

Info

Publication number
KR102376746B9
KR102376746B9 KR1020190140101A KR20190140101A KR102376746B9 KR 102376746 B9 KR102376746 B9 KR 102376746B9 KR 1020190140101 A KR1020190140101 A KR 1020190140101A KR 20190140101 A KR20190140101 A KR 20190140101A KR 102376746 B9 KR102376746 B9 KR 102376746B9
Authority
KR
South Korea
Prior art keywords
manufacuring
tantalum powder
metallothermic reduction
metallothermic
reduction
Prior art date
Application number
KR1020190140101A
Other languages
Korean (ko)
Other versions
KR102376746B1 (en
KR20210054230A (en
Inventor
박경태
서석준
심재진
최상훈
서경덕
이용관
Original Assignee
한국생산기술연구원
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 한국생산기술연구원 filed Critical 한국생산기술연구원
Priority to KR1020190140101A priority Critical patent/KR102376746B1/en
Priority to PCT/KR2020/009932 priority patent/WO2021091049A1/en
Publication of KR20210054230A publication Critical patent/KR20210054230A/en
Application granted granted Critical
Publication of KR102376746B1 publication Critical patent/KR102376746B1/en
Publication of KR102376746B9 publication Critical patent/KR102376746B9/en

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
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
KR1020190140101A 2019-11-05 2019-11-05 A method for manufacuring tantalum powder using metallothermic reduction KR102376746B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020190140101A KR102376746B1 (en) 2019-11-05 2019-11-05 A method for manufacuring tantalum powder using metallothermic reduction
PCT/KR2020/009932 WO2021091049A1 (en) 2019-11-05 2020-07-28 Method for refining tantalum by using metallothermic reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020190140101A KR102376746B1 (en) 2019-11-05 2019-11-05 A method for manufacuring tantalum powder using metallothermic reduction

Publications (3)

Publication Number Publication Date
KR20210054230A KR20210054230A (en) 2021-05-13
KR102376746B1 KR102376746B1 (en) 2022-03-21
KR102376746B9 true KR102376746B9 (en) 2022-12-27

Family

ID=75848871

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190140101A KR102376746B1 (en) 2019-11-05 2019-11-05 A method for manufacuring tantalum powder using metallothermic reduction

Country Status (2)

Country Link
KR (1) KR102376746B1 (en)
WO (1) WO2021091049A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230078559A (en) 2021-11-26 2023-06-02 충남대학교산학협력단 Method for manufacturing high-purity magnesium reducing agent and method for manufacturing high-purity tantalum powder using the same
KR20230084072A (en) 2021-12-03 2023-06-12 충남대학교산학협력단 Method for producing high-purity magnesium and method for reducing tantalum using the same
KR20240084204A (en) 2022-12-06 2024-06-13 한국생산기술연구원 Method for manufacturing tantalum powder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
JP2688452B2 (en) * 1990-05-17 1997-12-10 キャボット コーポレイション Method for producing tantalum powder with high surface area and low metal impurities
US6323055B1 (en) 1998-05-27 2001-11-27 The Alta Group, Inc. Tantalum sputtering target and method of manufacture
KR100384654B1 (en) * 1999-08-18 2003-05-22 박형호 Apparatus and method of tantalum production by continuous process
JP2002363662A (en) * 2001-06-01 2002-12-18 Nikko Materials Co Ltd Method for recovery of high-purity tantalum, high-purity tantalum sputtering target, and thin film deposited by using this sputtering target
KR20010099259A (en) * 2001-09-17 2001-11-09 박형호 Manufacturing Apparatus and method of tantalum by continuous exchange type
KR20010099260A (en) 2001-09-17 2001-11-09 박형호 Cooling apparatus and method on tantalum manufacture
EP1957684B1 (en) * 2005-09-16 2010-12-08 H.C. Starck GmbH Reduction method
KR20080076598A (en) * 2007-02-16 2008-08-20 충남대학교산학협력단 Nano tantallum powder
KR102030007B1 (en) * 2018-05-15 2019-10-08 한국기계연구원 Method and apparatus for preparing tantalum carbide powder

Also Published As

Publication number Publication date
WO2021091049A1 (en) 2021-05-14
KR102376746B1 (en) 2022-03-21
KR20210054230A (en) 2021-05-13

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Legal Events

Date Code Title Description
AMND Amendment
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
AMND Amendment
X701 Decision to grant (after re-examination)
GRNT Written decision to grant
G170 Re-publication after modification of scope of protection [patent]