Magnetic Powdered Activated Carbon: A Promising Adsorbent for Water Treatment?

Kim Maren Lompe, David Menard, Benoit Barbeau

Research output: Contribution to journalArticleScientificpeer-review

Abstract

While researchers have been proposing magnetic powdered activated carbon (MPAC) for more than a decade, these materials are not yet commercially available in North America (though they are in Japan). MPAC combines two important characteristics: efficient separation from water using a magnetic field and good adsorption properties for organic micropollutants. The slightly higher costs of MPAC can be offset by its separability and reusability. Easy recirculation of PAC would allow working at high enough PAC age to colonize it with heterotrophic and nitrifying bacteria. Magnetic separation of MPAC requires the use of high-gradient magnetic separators, which might limit the adsorbent's application to low-flow systems.

Original languageEnglish
Pages (from-to)72-79
Number of pages8
JournalJournal - American Water Works Association
Volume112
Issue number11
DOIs
Publication statusPublished - 2020

Keywords

  • Adsorption
  • Costs
  • Granular Activated Carbon
  • Odor
  • Powdered Activated Carbon
  • Taste
  • Water Contamination
  • Water Treatment

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