Different interaction performance between microplastics and microalgae: The bio-elimination potential of Chlorella sp. L38 and Phaeodactylum tricornutum MASCC-0025
Microplastics have recently been identified as an important emerging global problem which affects marine organisms and even humans. As a green and cost-effective environmental purification alternative, microalgae have attracted more and more attention. In this work, the interaction between microplas...
Gespeichert in:
Veröffentlicht in: | The Science of the total environment 2020-06, Vol.723, p.138146, Article 138146 |
---|---|
Hauptverfasser: | , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Microplastics have recently been identified as an important emerging global problem which affects marine organisms and even humans. As a green and cost-effective environmental purification alternative, microalgae have attracted more and more attention. In this work, the interaction between microplastics (PP, PE, PET and PVC) and microalgae (Chlorella sp. L38 and Phaeodactylum tricornutum MASCC-0025) has been investigated. In addition, SEM and TEM characterization were also carried out to observe interactions between microplastics and microalgae. Experimental results indicated that there was an obvious inhibition effect of microplastics on Phaeodactylum tricornutum MASCC-0025 growth with inhibition ratio up to 21.1%. By contrast, Chlorella sp. L38 presented strong adaptive capacity to microplastics. The key active enzymes concentration variation and characterization (SEM and TEM) images also verified the toxic effect of tested microplastics on Chlorella sp. L38 and Phaeodactylum tricornutum MASCC-0025. The toxic effect might be explained by the possible leaching of additives of four tested microplastics. It could also be observed that microalgae have a potential to be used as an alternative bio-solution for microplastics treatment.
[Display omitted]
•The interaction between typical microplastics and marine and freshwater microalgae is investigated.•The inhibition rate of microplastics on Phaeodactylum tricornutum MASCC-0025 achieved up to 21.1%.•EPS secretion could facilitate adsorption and aggregation between microplastics particles and microalgae cells.•Microalgae presented potential to be a promising bio-solution for microplastics treatment. |
---|---|
ISSN: | 0048-9697 1879-1026 |
DOI: | 10.1016/j.scitotenv.2020.138146 |