Experimental Study on Removal of Iron, Manganese and Copper from Water by Microalgae
Meichen Wang 1,2,3
Chen Li 2,3
Chen Chen 2,3
Ye Li 4
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School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
National Engineering Research Center of Coal Mine Water Hazard Controlling (Suzhou University), Suzhou 234000, China
School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, Anhui, China
Huaibei Mining Co. Ltd, Huaibei 235000, Anhui, China
Submission date: 2021-03-05
Final revision date: 2021-09-14
Acceptance date: 2021-09-21
Online publication date: 2022-01-18
Publication date: 2022-03-22
Corresponding author
Herong Gui   

National Engineering Research Center of Coal Mine Water Hazard Controlling (Suzhou University), China
Pol. J. Environ. Stud. 2022;31(2):1847-1855
Microalgae have become popular absorption materials; therefore many studies have been conducted in order to deeply understand the metal absorption characteristics and growth rate of microalgae in water. Hence, the removal of metal elements, such as iron, manganese and copper, by four common cyanobacteria and green algae were investigated in this study. The results showed that all microalgae could grow normally, and Microcystis aeruginosa grew best. Furthermore, during the growth of microalgae, the pH values of the four groups gradually increased to 10 and then maintained. Different microalgae can remove iron, manganese and copper in water to some extent, while, Microcystis aeruginosa showed the best removal effect. The new observation is that with the increase of time, the treatment effect gradually becomes better, and it is the best on the 4th day. However, this study provides a scientific basis for the simultaneous treatment of microalgae culture and heavy metal polluted wastewater.
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