CHARACTERIZATION AND ADSORPTION CAPACITY OF AMINE-SIO2 MATERIAL FOR NITRATE AND PHOSPHATE REMOVAL

Phan Phuoc Toan, Nguyen Trung Thanh, Nguyen Nhat Huy

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.


Keywords


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

References


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DOI: https://doi.org/10.15625/2525-2518/57/4/13655 Display counter: Abstract : 26 views.

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