Magnetic separation technique for groundwater by five HTS melt-processed bulk magnets arranged in a line

T. Oka, H. Seki, T. Kimura, D. Mimura, S. Fukui, J. Ogawa, T. Sato, M. Ooizumi, H. Fujishiro, H. Hayashi, K. Yokoyama, C. Stiehler

研究成果: Article

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抜粋

A magnetic separation study for groundwater purification has been practically conducted by using the multi-pole magnet system. The magnetic pole was composed of 10 open magnetic spaces by arranging five HTS melt-processed bulk magnets in a line in a vacuum sheath. The individual bulk magnets were activated by feeding intense pulsed magnetic fields up to 6 T. The magnetic field distribution was estimated with respect to various pole arrangements. The actual groundwater samples of Sanjo City were processed so as to form large precipitates by adding the coagulant and pH controlling. The maximum separation ratio of the iron-bearing precipitates has exceeded over 70% when slurry water was exposed to 10 magnetic poles of up to 2.5 T at a flowing rate of less than 4.8 l/min. An obvious attraction of flocks to the magnetic poles was observed even when the water contains no magnetite powder at the flow rate of 1.01 l/min. This implies the validity of the multi-pole magnet system with respect to the actual application to water purification.

元の言語English
ページ(範囲)1506-1510
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
471
発行部数21-22
DOI
出版物ステータスPublished - 2011 11 1
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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    Oka, T., Seki, H., Kimura, T., Mimura, D., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Fujishiro, H., Hayashi, H., Yokoyama, K., & Stiehler, C. (2011). Magnetic separation technique for groundwater by five HTS melt-processed bulk magnets arranged in a line. Physica C: Superconductivity and its applications, 471(21-22), 1506-1510. https://doi.org/10.1016/j.physc.2011.05.226