Alif Alfarisyi Syah, Anugrah Ricky Wijaya, Lukluatus Syavika
The high ammonium content in the aquatic environment originating from the disposal of shrimp ponds has a negative impact. This has the potential to cause disturbance and pollution in aquatic ecosystems. The Fe3O4/C/SiO2 nanocomposite can be used as an adsorbent to reduce the concentration of NH4+ in shrimp pond wastewater. Nanomagnetic synthesized by coprecipitation method. Nanomagnetic Fe3O4 is less stable in nature so oxidation can occur. Therefore, carbon as a precursor is used to coat Fe3O4 nanomagnets. Carbon activation was carried out by the activation method using NaOH. The addition of SiO2 to Fe3O4/C using PEG4000 forms Fe3O4/C/SiO2 nanocomposites with the aim of increasing the adsorption effectiveness of Fe3O4/C/SiO2 nanocomposite materials. Characterization of Fe3O4, carbon, and Fe3O4/C/SiO2 nanoparticles using XRD and FT-IR instruments. Analysis of ammonium ion content after adsorption using the phenate method. The use of SiO2 as an ammonia adsorbent can be carried out with an adsorption percentage of 11.697%. © 2024 Author(s).
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Univeritas Negeri Malang, Jl. Semarang 5, Malang, 65145, Indonesia
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