Recycling of Abrasives From Wasted Slurry by Superconducting Magnetic Separation

Material type: その他

Author: NISHIJIMA, Shigehiroほか

Publisher: Institute of Electrical and Electronics Engineers

Publication date: 2003-06

Material Format: Digital

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Note (General)：: 出版タイプ： AOAbrasives have been recovered from the slurry wasted of the factory where the silicon wafers for solar battery are processed. The slurry cons...

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Material Type: その他
Title: Recycling of Abrasives From Wasted Slurry by Superconducting Magnetic Separation
Author/Editor: NISHIJIMA, Shigehiro
IZUMI, Yoshinobu
TAKEDA, Shin-Ichi
SUEMOTO, Hiroki
NAKAHIRA, Atsushi
HORIE, Shin-Ichi
Author Heading: NISHIJIMA, Shigehiro
IZUMI, Yoshinobu
TAKEDA, Shin-Ichi
SUEMOTO, Hiroki
NAKAHIRA, Atsushi
HORIE, Shin-Ichi
Publication, Distribution, etc.: Institute of Electrical and Electronics Engineers
Publication Date: 2003-06
Publication Date (W3CDTF): 2003
Periodical title: IEEE Transactions on Applied Superconductivity
No. or year of volume/issue: 13 2
Volume: 13
Issue: 2
Pages: 1596-1599
ISSN (Periodical Title): ISSN : 1051-8223
Subject Heading: Abrasive
magnetic separation
slurry
silicon
wafers
solar battery
Target Audience: 一般
Note (General): 出版タイプ： AO
Abrasives have been recovered from the slurry wasted of the factory where the silicon wafers for solar battery are processed. The slurry consists of oil and abrasives and is used in the wire saw. The viscosity of the slurry is carefully controlled to maintain a high cutting performance though it tends to be high as the silicon powder is accumulated in the slurry. The cutting performance of the slurry decreases as the amount of the silicon powder increases. The abrasives, however, still have enough performance to cut the silicon wafers. Iron segments of the wire saw were found to attach to the SiC abrasives. The iron segments magnetize the abrasives in the mechanochemical process and thus reduce the cutting performance of the abrasives. Due to the iron segments presence the abrasives with poor cutting performance could be separated from the slurry by means of superconducting magnetic separator. After the magnetic separation a centrifugal separator was used to separate the silicon powder. It was confirmed that the superconducting magnetic separation is applicable to this practical application.
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ