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 language | English |
|---|---|
| Pages (from-to) | 331-336 |
| Number of pages | 6 |
| Journal | Biotechnology Letters |
| Volume | 26 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2004.02 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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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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