Phytoremediation of phenol by Hydrilla verticillata (L.f.) Royle and associated effects on physiological parameters.

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ID: 83069
2019
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Abstract
Phenol contamination is a common occurrence in aquatic environments in different parts of the world and strategies that utilize cheap and eco-friendly phytoremediation technologies are required to overcome associated environmental problems. In the present study, the submersed macrophyte Hydrilla verticillata (L.F.) Royle was exposed to different concentrations of phenol (0-200 mg L) to assess its potential in phenol treatment. H. verticillata efficiently degraded phenol in solutions with initial concentrations lower than 200 mg L. The adverse effects of phenol on physiological parameters of H. verticillata were also investigated after 7 d of phenol stress. In order to explore the effect of phenol on the metabolism of H. verticillata during phytoremediation, gas chromatography-mass spectrometry (GC-MS) was used to analyze endogenous soluble organic compounds. The results revealed the presence of greater than 60 soluble organic compounds in H. verticillata. In the process of phenol degradation, fatty acid composition and carbon number distribution were affected in the plants while unsaturated fatty acid content was significantly lower, and several compounds including aliphatic dicarboxylic acids and aromatic ketones were degraded while new compounds were synthesized by the plant. In summary, H. verticillata is a promising candidate for the phytoremediation of the phenol-contaminated aquatic system.
Reference Key
chang2019phytoremediationjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chang, Guohua;Yue, Bin;Gao, Tianpeng;Yan, Wende;Pan, Gang;
Journal Journal of hazardous materials
Year 2019
DOI
S0304-3894(19)31523-7
URL
Keywords
phytoremediation phenol hydrilla verticillata organic components

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