Journal
CHEMOSPHERE
Volume 286, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2021.131870
Keywords
Microalgae; Heavy metal ions; Removal mechanism; Influencing factors; Recent advances; Challenges and prospects
Categories
Funding
- National Natural Science Foundation of China [21671055]
- Natural Science Foundation of Henan [202300410043]
- Key Scientific Research Project of Henan Higher Education Institutions [20ZX006]
- Shanghai Tongji Gao Tingyao Environmental Science & Technology Development
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With economic development and population growth, global attention has shifted to water pollution remediation due to the scarcity of available water resources on Earth. Microalgae and their modified products offer a potential solution in controlling carbon dioxide emissions, sewage treatment, and biofuel production. Research on these organisms has deepened in recent years, showing promising prospects for industrial implementation.
With the rapid economy development and population surge, the water resources available for direct use on the earth have been in shortage. Therefore, water pollution remediation inevitably becomes the focus of global attention. Aside from their capacity to fix and effectively control the emission of carbon dioxide thus achieve negative carbon emission, microalgae and its products modified by genetic engineering and other technologies also have a broad prospect in sewage treatment such as efficiently removing all kinds of pollutants in water and producing high-quality biofuels after use. Therefore, research on these organisms has gradually deepened in recent years. This paper summarizes the bioremediation mechanism of heavy metal ions in water by using microalgae and their modified products. The relevant research progresses since 2015 are critically reviewed and discussed. Challenges and prospects are also put forward for their industrial implementation.
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