Study on the application of biochar made from agricultural by-products to treat arsenic pollution in water

Chu Thi Thu Hien; Tran Thi Minh Nguyet; Dang Van Dam; Nguyen Minh Viet; Nguyen Cong Hieu; Truong Thi Thao; Lai Thi Binh

doi:10.51316/jca.2023.026

Authors

Chu Thi Thu Hien Hanoi University of Civil Engineering Author
Tran Thi Minh Nguyet Hanoi University of Civil Engineering Author
Dang Van Dam Hanoi University of Civil Engineering Author
Nguyen Minh Viet VNU University of Science Author
Nguyen Cong Hieu Hanoi University of Science and Technology Author
Truong Thi Thao Thai Nguyen University of Sciences Author
Lai Thi Binh Thai Nguyen University of Sciences Author

DOI:

https://doi.org/10.51316/jca.2023.026

Abstract

Now, water pollution is one of the leading concerns in the world especially heavy metal polltion. In recent years, researches on the use of agricultural waste as biochar and modified biochar to treat heavy metals in water are receiving the attention of scientists because of the economy as well as the high processing efficiency that it brings. In this study, biochar from rice husk was synthesized and modified by iron, then the obtained materials were characterized by SEM, FTIR methods. The results show that the Fe-biochar shows a high potential to remove arsenic at pH = 4 and the adsorption capacity was 18,96 – 28,49 mg/g.

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