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Phytohormones as a novel strategy for promoting phytoremediation in microalgae: Progress and prospects
Jian Qiu1, Ashiwin Vadiveloo2, Bin-Di Mao1
1School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China.
Journal of Environmental Management
|December 7, 2024
Summary
Phytohormones enhance microalgal phytoremediation by reducing pollutant stress, improving microalgae growth, and boosting the removal of nutrients, heavy metals, and contaminants. This offers a more efficient and viable wastewater treatment solution.
Area of Science:
- Environmental Science
- Biotechnology
- Environmental Chemistry
Background:
- Microalgal phytoremediation effectively removes pollutants and recovers resources from wastewater.
- Pollutant toxicity can induce stress in microalgae, hindering their pollutant removal efficiency.
- Phytohormones show potential in mitigating stress responses in microalgae.
Purpose of the Study:
- To systematically analyze microalgal phytoremediation pathways and challenges.
- To discuss the effects of phytohormones on microalgal pollutant removal and underlying mechanisms.
- To review phytohormone application strategies, ecological risks, and cost control for microalgal phytoremediation.
Main Methods:
- Systematic analysis of microalgal phytoremediation processes.
- Review of literature on phytohormone effects on microalgae.
- Discussion of mechanisms, strategies, risks, and costs associated with phytohormone application.
Main Results:
- Phytohormones significantly enhance microalgae growth and pollutant removal efficiency.
- Phytohormones promote the removal of nutrients, heavy metals, and emerging contaminants.
- Mechanisms involve mitigating stress responses induced by pollutants.
Conclusions:
- Phytohormones represent a novel approach to improve microalgal phytoremediation efficiency and viability.
- Optimal application strategies, risk assessment, and cost-effectiveness are crucial for practical implementation.
- Further research is needed to guide the application of phytohormones in microalgal wastewater treatment.
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