Waste water purification by magnetic separation technique using HTS bulk magnet system

T. Oka, H. Kanayama, K. Tanaka, S. Fukui, J. Ogawa, T. Sato, M. Ooizumi, T. Terasawa, Y. Itoh, R. Yabuno

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We have investigated the feasibility of strong magnetic field generators composed of the high temperature superconducting (HTS) bulk magnet systems to the magnetic separation techniques for the waste water including thin emulsion bearing the cutting oil. Two types of the strong field generators were prepared by the face-to-face HTS bulk magnet systems, which emit the magnetic field density of 1 and 2 T in the open spaces between the magnetic poles activated by the pulsed field magnetization and the field cooling methods, respectively. A couple of water channels containing iron balls were settled in the strong field to trap the magnetized flocks in the waste water. The separation ratios of flocks containing 200 ppm magnetite powder were evaluated with respect to the flow rates of the waste water. The performances of bulk magnet system have kept showing values of around 100% until the flowing rate reached up to 18 l/min. This suggests that the magnetic separation by using bulk magnets is effective for the practical water purification systems.

本文言語English
ページ(範囲)1849-1852
ページ数4
ジャーナルPhysica C: Superconductivity and its applications
469
15-20
DOI
出版ステータスPublished - 2009 10月 15
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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