Strategies to control the growth of cyanobacteria and recovery using adsorption and desorption

Jeong Sik Choi, Yun Hwan Park, Sok Kim, Jino Son, Jaewon Park, Yoon E. Choi

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

In this study, adsorption strategy using diethylenetriamine-modified cotton fiber (DETA-cotton) was investigated to control the target cells in aqueous phase. Adsorptive removal of M. aeruginosa using the DETA-cotton showed decrease in cell concentration from (100 ± 4.0) × 104 cells/mL to (32.1 ± 0.7) × 104 cells/mL in 24 h, and the concentration of microcystin did not increase during the removal process. Also, an increase in the amine groups on the surface was confirmed through the surface characterization by FT-IR and XPS. Desorption process was performed to analyze total lipid and fatty acid contents for potential use as bio-energy resources. About 90 % of the adsorbed cells were recovered through desorption, and the lipid content and composition were more suitable for use as biodiesel raw materials. Our adsorption-based approach might provide feasible solution not only to counteract environmental issue HABs but also to recover energy-resources from the harmful cyanobacterial species.

Original languageEnglish
Article number128133
JournalBioresource technology
Volume365
DOIs
Publication statusPublished - 2022 Dec

Bibliographical note

Funding Information:
This work was supported by the Korea Environment Industry & Technology Institute (KEITI) through a project to develop eco-friendly new materials and processing technology derived from wildlife and Aquatic Ecosystem Conservation Research Program, funded by the Korea Ministry of Environment (MOE) (2021003280004 and 2022003040001). This work was also supported by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR202211102).

Publisher Copyright:
© 2022

Keywords

  • Adsorption and desorption
  • Bioenergy
  • Cell recovery
  • Harmful algal bloom
  • Microcystis aeruginosa

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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