KR100727272B1 - 고순도 육불화텅스텐의 제조방법 - Google Patents
고순도 육불화텅스텐의 제조방법 Download PDFInfo
- Publication number
- KR100727272B1 KR100727272B1 KR1020050108880A KR20050108880A KR100727272B1 KR 100727272 B1 KR100727272 B1 KR 100727272B1 KR 1020050108880 A KR1020050108880 A KR 1020050108880A KR 20050108880 A KR20050108880 A KR 20050108880A KR 100727272 B1 KR100727272 B1 KR 100727272B1
- Authority
- KR
- South Korea
- Prior art keywords
- tungsten hexafluoride
- tungsten
- metal
- ppm
- oxygen content
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (3)
- 금속 텅스텐(W)과 불소(F2), 삼불화질소(NF3) 또는 이의 혼합물을 반응시켜 육불화텅스텐(WF6)을 제조하는 방법에 있어서, 산소 함량이 500 내지 5000 ppm인 금속 텅스텐과, 산소 함량이 1000 ppm 이하인 불소, 삼불화질소 또는 이의 혼합물을 250 내지 950℃의 온도 및 10 atm 이하의 압력조건에서 접촉반응시켜 금속 불순물 함량이 100 ppb 미만인 육불화텅스텐을 제조하는 것을 특징으로 하는, 고순도 육불화텅스텐의 제조방법.
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050108880A KR100727272B1 (ko) | 2005-11-15 | 2005-11-15 | 고순도 육불화텅스텐의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050108880A KR100727272B1 (ko) | 2005-11-15 | 2005-11-15 | 고순도 육불화텅스텐의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070051400A KR20070051400A (ko) | 2007-05-18 |
KR100727272B1 true KR100727272B1 (ko) | 2007-06-13 |
Family
ID=38274540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050108880A KR100727272B1 (ko) | 2005-11-15 | 2005-11-15 | 고순도 육불화텅스텐의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100727272B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009013788A1 (de) | 2008-10-28 | 2010-04-29 | Foosung Co., Ltd. | Verfahren zum Herstellen von Wolframhexafluorid unter Verwendung eines Wirbelbettreaktors und Vorrichtung dafür |
KR101376827B1 (ko) | 2013-01-24 | 2014-03-20 | 최병구 | 육불화텅스텐의 제조방법 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102786092B (zh) * | 2012-08-08 | 2014-06-18 | 黎明化工研究设计院有限责任公司 | 一种用于生产六氟化钨的立式逆流氟化炉及其使用方法 |
CN111491893A (zh) * | 2017-12-19 | 2020-08-04 | 中央硝子株式会社 | 六氟化钨的制造方法 |
WO2020036026A1 (ja) * | 2018-08-17 | 2020-02-20 | セントラル硝子株式会社 | 六フッ化タングステンの製造方法 |
CN116425202B (zh) * | 2023-02-23 | 2023-11-21 | 福建德尔科技股份有限公司 | 一种六氟化钨气体的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02124723A (ja) * | 1988-11-04 | 1990-05-14 | Mitsui Toatsu Chem Inc | 六弗化タングステンの精製方法 |
JPH08120475A (ja) * | 1994-10-21 | 1996-05-14 | Mitsui Toatsu Chem Inc | 高純度三フッ化窒素ガスの製造方法 |
JP2000119024A (ja) | 1998-10-13 | 2000-04-25 | Mitsui Chemicals Inc | 六弗化タングステンの製造方法 |
US6896866B2 (en) | 1999-12-16 | 2005-05-24 | Stella Chemifa Kabushiki Kaisha | Method for purification of tungsten hexafluoride |
-
2005
- 2005-11-15 KR KR1020050108880A patent/KR100727272B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02124723A (ja) * | 1988-11-04 | 1990-05-14 | Mitsui Toatsu Chem Inc | 六弗化タングステンの精製方法 |
JPH08120475A (ja) * | 1994-10-21 | 1996-05-14 | Mitsui Toatsu Chem Inc | 高純度三フッ化窒素ガスの製造方法 |
JP2000119024A (ja) | 1998-10-13 | 2000-04-25 | Mitsui Chemicals Inc | 六弗化タングステンの製造方法 |
US6896866B2 (en) | 1999-12-16 | 2005-05-24 | Stella Chemifa Kabushiki Kaisha | Method for purification of tungsten hexafluoride |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009013788A1 (de) | 2008-10-28 | 2010-04-29 | Foosung Co., Ltd. | Verfahren zum Herstellen von Wolframhexafluorid unter Verwendung eines Wirbelbettreaktors und Vorrichtung dafür |
DE102009013788B4 (de) * | 2008-10-28 | 2012-01-19 | Foosung Co., Ltd. | Verfahren zum Herstellen von Wolframhexafluorid unter Verwendung eines Wirbelbettreaktors |
KR101376827B1 (ko) | 2013-01-24 | 2014-03-20 | 최병구 | 육불화텅스텐의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20070051400A (ko) | 2007-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100727272B1 (ko) | 고순도 육불화텅스텐의 제조방법 | |
US4091081A (en) | Preparation of nitrogen trifluoride | |
CN110606490B (zh) | 一种高纯四氟化硅的合成及纯化方法 | |
WO2002066408A3 (en) | Process for producing perfluorocarbons and use thereof | |
JPS5835924B2 (ja) | 塩素の製造法 | |
CN113816827B (zh) | 一种电子级三氟甲烷的纯化方法 | |
EP3336057B1 (en) | Method for producing hydrogen chloride | |
US4515762A (en) | Process for processing waste gases resulting during the production of silicon | |
US4864059A (en) | Process for producing urea | |
US20050283015A1 (en) | Purification method for organometallic compounds and organometallic compounds obtained therefrom | |
CN114728786A (zh) | 高纯度氯化氢气体的制造方法 | |
KR101203490B1 (ko) | 고순도 염화수소 제조방법 및 제조 시스템 | |
JP4765630B2 (ja) | フッ化カルボニルの製造方法および製造装置 | |
CN111960384B (zh) | 一种除去盐酸中游离氯的方法 | |
US4698441A (en) | Process for producing glyoxylic acid | |
JP4166025B2 (ja) | 二フッ化カルボニルの製造方法 | |
JPH08231473A (ja) | アミンヒドロフルオライド錯体の処理方法 | |
JPH06345410A (ja) | 高純度塩酸の製造方法 | |
EP1619170B1 (en) | Process for producing carbonyl fluoride | |
US4089886A (en) | Methanol purification | |
JP7412657B1 (ja) | 高純度塩酸の製造方法 | |
US3056660A (en) | Production of pure phosphorus | |
KR102609195B1 (ko) | 황화카보닐(cos)의 신규 합성방법 | |
JP3827358B2 (ja) | 塩酸水溶液の製造方法 | |
JP2003128412A (ja) | 四弗化ケイ素の精製方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
G170 | Publication of correction | ||
FPAY | Annual fee payment |
Payment date: 20130603 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140602 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150601 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20170602 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180604 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20190604 Year of fee payment: 13 |