High gradient magnetic separation for weakly magnetized fine particles

Hidehiko Okada, Tomohiro Tada, Akihiko Chiba, Kazunari Mitsuhashi, Takeshi Ohara, Hitoshi Wada

Research output: Contribution to journalConference articlepeer-review

14 Citations (Scopus)


We measured the removal efficiency of hematite (Fe2O3) and iron (III) hydroxide (Fe(OH)3) fine particles suspended in water in a high gradient magnetic separation (HGMS) system. Fe2O3 and Fe(OH)3 have relatively small magnetic relative susceptibilities (MKS) near 10-3 and average particle diameters near 1 μm. We demonstrated that HGMS is able to effectively separate weakly magnetized particles.

Original languageEnglish
Pages (from-to)967-970
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number1
Publication statusPublished - 2002 Mar
Externally publishedYes
Event17th Annual Conference on Magnet Technology - Geneva, Switzerland
Duration: 2001 Sept 242001 Sept 28


  • Hematite
  • High gradient magnetic separation
  • Iron hydroxide
  • Superconducting magnet

ASJC Scopus subject areas

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


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