Characterization and adsorption capacity of Amine-SiO2 material for nitrate and phosphate removal

Phan Phuoc Toan; Nguyen Trung Thanh; Nguyen Nhat Huy; Le Ngoc Hang; Le Tri Thich

doi:10.15625/2525-2518/57/4/13655

Author affiliations

Authors

Phan Phuoc Toan Faculty of Engineering - Technology - Environment, An Giang University, 18 Ung van Khiem, Dong Xuyen Dist., Long Xuyen City, An Giang Provine, Viet Nam
Nguyen Trung Thanh Nanomaterial laboratory, An Giang University, 18 Ung van Khiem St., Dong Xuyen Dist., Long Xuyen City, An Giang Provine, Viet Nam
Nguyen Nhat Huy Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology, VNU-HCM, 268 Ly Thuong Kiet St., Dist.10, Ho Chi Minh City, Viet Nam
Le Ngoc Hang Nanomaterial laboratory, An Giang University, 18 Ung van Khiem St., Dong Xuyen Dist., Long Xuyen City, An Giang Provine, Viet Nam
Le Tri Thich Nanomaterial laboratory, An Giang University, 18 Ung van Khiem St., Dong Xuyen Dist., Long Xuyen City, An Giang Provine, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/57/4/13655

Keywords:

Amine-SiO2, phosphate adsorption, nitrate adsorption, water treatment

Abstract

Amine-SiO₂ material was synthesized and applied as a novel adsorbent for nitrate and phosphate removal from aqueous solution. The characterization of Amine-SiO₂ were done by using TGA, FTIR, BET, and SEM analyses. Results showed that Amine-SiO₂ had higher nitrate and phosphate adsorption capacity of 1.14 and 4.16 times, respectively, than commercial anion exchange resin (Akualite A420). In addition, Amine-SiO₂ also had good durability with stable performance after at least 10 regeneration times, indicating that this material is very promising for commercialization in the future as an adsorbent for water treatment.

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