JP5383688B2 - ケイ素を製造する方法及び装置 - Google Patents
ケイ素を製造する方法及び装置 Download PDFInfo
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- JP5383688B2 JP5383688B2 JP2010529396A JP2010529396A JP5383688B2 JP 5383688 B2 JP5383688 B2 JP 5383688B2 JP 2010529396 A JP2010529396 A JP 2010529396A JP 2010529396 A JP2010529396 A JP 2010529396A JP 5383688 B2 JP5383688 B2 JP 5383688B2
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- Japan
- Prior art keywords
- silicon
- reducing agent
- starting material
- container
- microwave
- 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.)
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/126—Microwaves
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Silicon Compounds (AREA)
Description
Claims (14)
- マイクロ波オーブン内で炭素をベースとする還元剤により二酸化ケイ素をベースとする出発材料を熱還元することによりケイ素を製造する方法であって、前記二酸化ケイ素をベースとする出発材料を石英、石英ガラス及びドープされた石英ガラスから選択し、得られたケイ素をマイクロ波オーブン内で付加的にゾーンメルティング法にかけることを特徴とする、ケイ素を製造する方法。
- 還元剤として炭素粉末、黒鉛粉末又は両者の混合物を使用する、請求項1記載の方法。
- 前記出発材料及び前記還元剤の反応混合物を熱還元前に予熱する、請求項1又は2記載の方法。
- 前記出発材料及び前記還元剤の反応混合物を同時に付加的に加熱しながら、熱還元を実施する、請求項1から3までのいずれか1項記載の方法。
- 得られた反応生成物を熱還元後に加熱するか、あるいは熱間に維持する、請求項1から4までのいずれか1項記載の方法。
- 加熱を誘導式に行う、請求項4又は5記載の方法。
- 炭素をベースとする還元剤により石英、石英ガラス及びドープされた石英ガラスから選択される二酸化ケイ素をベースとする出発材料を熱還元することによりケイ素を製造するための装置において、
当該装置が、マイクロ波オーブン(1)であり、少なくとも1つの容器(2)を収容するために設けられており、
ゾーンメルティング法を実施するための放射フロント(4)を形成するためのマイクロ波源が設けられている
ことを特徴とする、ケイ素を製造するための装置。 - 少なくとも1つの容器(2)が、使用されるマイクロ波源の作業周波数を透過しない、マイクロ波によって加熱される材料からなる、請求項7記載の装置。
- 前記放射フロント(4)を鉛直又は水平に案内するための手段が設けられている、請求項7又は8記載の装置。
- 前記手段が、可動の放射フロント(4)を形成するための、可動に配置される少なくとも1つのマイクロ波源、可動に配置される少なくとも1つの容器(2)、及び両者の組み合わせから選択されている、請求項9記載の装置。
- 少なくとも1つの容器(2)が鉛直方向及び水平方向で可動である、請求項10記載の装置。
- 前記マイクロ波源とは異なる付加的な加熱装置が設けられている、請求項7から11までのいずれか1項記載の装置。
- 前記付加的な加熱装置が誘導式加熱装置である、請求項12記載の装置。
- 炭素をベースとする還元剤により石英、石英ガラス及びドープされた石英ガラスから選択される二酸化ケイ素をベースとする出発材料をケイ素に熱還元し、得られたケイ素を付加的にゾーンメルティング法にかけるためのマイクロ波オーブンの使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007050010A DE102007050010A1 (de) | 2007-10-17 | 2007-10-17 | Verfahren und Vorrichtung zur Herstellung von Silizium |
DE102007050010.8 | 2007-10-17 | ||
PCT/EP2008/064034 WO2009050264A1 (de) | 2007-10-17 | 2008-10-17 | Verfahren und vorrichtung zur herstellung von silizium |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011500495A JP2011500495A (ja) | 2011-01-06 |
JP5383688B2 true JP5383688B2 (ja) | 2014-01-08 |
Family
ID=40158588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010529396A Expired - Fee Related JP5383688B2 (ja) | 2007-10-17 | 2008-10-17 | ケイ素を製造する方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100284887A1 (ja) |
EP (1) | EP2203248A1 (ja) |
JP (1) | JP5383688B2 (ja) |
CA (1) | CA2703040A1 (ja) |
DE (1) | DE102007050010A1 (ja) |
WO (1) | WO2009050264A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101220876B1 (ko) | 2010-11-08 | 2013-01-11 | 임종문 | 규사를 이용한 메탈 실리콘의 연속제조장치 및 방법 |
DE102012003920A1 (de) | 2012-02-28 | 2013-08-29 | Centrotherm Thermal Solutions Gmbh & Co. Kg | Verfahren und vorrichtung zur gewinnung von silicium |
JP5178939B1 (ja) | 2012-07-11 | 2013-04-10 | 和宏 永田 | マイクロ波によるシリコンの製造方法及びマイクロ波還元炉 |
EP3359489A2 (en) | 2015-10-09 | 2018-08-15 | Milwaukee Silicon, LLC | Devices and systems for purifying silicon |
US9938153B2 (en) * | 2016-04-06 | 2018-04-10 | Indian Institute Of Technology Bombay | Method of preparing silicon from sand |
JP6502400B2 (ja) * | 2017-02-08 | 2019-04-17 | オリコン株式会社 | マイクロ波を利用したフッ化スカンジウムの還元方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190757A (en) * | 1976-10-08 | 1980-02-26 | The Pillsbury Company | Microwave heating package and method |
DE3241366A1 (de) | 1982-11-09 | 1984-05-10 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer halbleiterbauelemente, insbesondere solarzellen, verwendbarem silicium |
JPS6379717A (ja) * | 1986-09-24 | 1988-04-09 | Kawasaki Steel Corp | 金属珪素の製造方法およびその装置 |
JPS63285121A (ja) * | 1987-05-18 | 1988-11-22 | Power Reactor & Nuclear Fuel Dev Corp | マイクロ波加熱焙焼・還元装置 |
US5019680A (en) | 1988-06-14 | 1991-05-28 | Sharp Kabushiki Kaisha | Heat generating container for microwave oven |
GB2227397B (en) * | 1989-01-18 | 1993-10-20 | Cem Corp | Microwave ashing and analytical apparatuses, components and processes |
IS3679A7 (is) * | 1990-03-05 | 1991-09-06 | Comalco Aluminium Limited | Háhitabræðsluofn |
JP3295673B2 (ja) * | 1993-03-26 | 2002-06-24 | 同和鉄粉工業株式会社 | マイクロ波利用の鉄粉製造法 |
KR0139278Y1 (ko) | 1994-05-12 | 1999-03-20 | 김광호 | 전자렌지의 히터위치조절장치 |
CA2232777C (en) * | 1997-03-24 | 2001-05-15 | Hiroyuki Baba | Method for producing silicon for use in solar cells |
US6432830B1 (en) * | 1998-05-15 | 2002-08-13 | Applied Materials, Inc. | Semiconductor fabrication process |
DE19859288A1 (de) * | 1998-12-22 | 2000-06-29 | Bayer Ag | Agglomeration von Siliciumpulvern |
KR20040067380A (ko) | 2003-01-23 | 2004-07-30 | 엘지전자 주식회사 | 전기오븐 |
WO2004101434A1 (en) * | 2003-05-15 | 2004-11-25 | Helmut Engel | The metallurgical method of receiving the high purity silicon powder by chemical processing |
JP4399582B2 (ja) | 2005-03-28 | 2010-01-20 | 独立行政法人産業技術総合研究所 | ガス加熱装置 |
NO20061105L (no) * | 2006-03-07 | 2007-09-10 | Kopperaa Miljoinvest As | Fremstilling av rent silisium metall og amorf silika ved reduksjon av kvarts (Sio2) |
CN1935648B (zh) * | 2006-09-14 | 2010-05-12 | 华南理工大学 | 一种用稻壳制备太阳能电池用多晶硅的方法 |
-
2007
- 2007-10-17 DE DE102007050010A patent/DE102007050010A1/de not_active Ceased
-
2008
- 2008-10-17 US US12/682,917 patent/US20100284887A1/en not_active Abandoned
- 2008-10-17 CA CA2703040A patent/CA2703040A1/en not_active Abandoned
- 2008-10-17 WO PCT/EP2008/064034 patent/WO2009050264A1/de active Application Filing
- 2008-10-17 EP EP08840408A patent/EP2203248A1/de not_active Withdrawn
- 2008-10-17 JP JP2010529396A patent/JP5383688B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2011500495A (ja) | 2011-01-06 |
DE102007050010A1 (de) | 2009-06-25 |
WO2009050264A1 (de) | 2009-04-23 |
EP2203248A1 (de) | 2010-07-07 |
CA2703040A1 (en) | 2009-04-23 |
US20100284887A1 (en) | 2010-11-11 |
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