Coprecipitated removal of Cu2+ using dextran in cationic porphyrin aqueous solution

Kai Li, Minoru Satoh, Motohiro Tagaya, Takaomi Kobayashi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Removal of copper ion (Cu2+) using water-soluble porphyrin and dextran was investigated. Cu2+ can be removed using dextran very rapidly in the form of a [(TMPyP) Cu]4+ complex, and the extent of removal can reach almost 100% with the addition of acetone. Electron paramagnetic resonance (EPR) results conirm the existence of Cu2+ in precipitates. The order in which dextran and acetone are added strongly inluences the removal of Cu2+. This work suggests an eficient method to remove Cu2+ ions from waste water.

Original languageEnglish
Pages (from-to)899-906
Number of pages8
JournalSensors and Materials
Volume27
Issue number10
StatePublished - 2015
Externally publishedYes

Keywords

  • Copper removal
  • Coprecipitation
  • Dextran
  • Meso-tetrakis(N-methylpyridinium-4-yl)-porphine

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