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Lead biosorption by waste biomass of Corynebacterium glutamicum generated from lysine fermentation process

  • S. B. Choi
  • , Y. S. Yun*
  • *Corresponding author for this work
  • Jeonbuk National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Biomass waste, mainly Corynebacterium glutamicum, is generated from large-scale lysine fermentation process. In this study, protonated C. glutamicum biomass was evaluated as a biosorbent for the removal of lead from synthetic wastewater. As Pb2+ were bound to the biomass, the solution pH deceased, indicating that protons in the biomass were exchanged with lead ions. The Corynebacterium biomass bound Pb2+ at up to 2.74 mmol g-1 at pH 5, where lead does not precipitate. Compared with other biosorbents and conventional sorbents, such as natural zeolite, activated carbon and synthetic ion exchange resin, the protonated C. glutamicum biomass was considered to be a useful biomaterial for lead biosorption.

Original languageEnglish
Pages (from-to)331-336
Number of pages6
JournalBiotechnology Letters
Volume26
Issue number4
DOIs
StatePublished - 2004.02

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation

Keywords

  • Biosorption
  • Corynebacterium glutamicum
  • Fermentation wastes
  • Lead
  • Lysine

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Chemical
  • Biological Sciences

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