Simultaneous removal of ammonium, phosphate, and phenol via self-assembled biochar composites CBCZrOFeO and its utilization as soil acidity amelioration.

High concentrations of ammonium, phosphate, and phenol are recognized as water pollutants that contribute to the degradation of soil acidity. In contrast, small quantities of these nutrients are essential for soil nutrient cycling and plant growth. Here, we reported composite materials comprising biochar, chitosan, ZrO, and FeO, which were employed to mitigate ammonium, phosphate, and phenol contamination in water and to lessen soil acidity.

Cr (VI) and Pb (II) Removal Using Crosslinking Magnetite-Carboxymethyl Cellulose-Chitosan Hydrogel Beads.

Heavy metals, such as chromium (VI) and lead (II), are the most common pollutants found in wastewater. To solve these problems, this research was intended to synthesize magnetite hydrogel beads (CMC-CS-FeO) by crosslinking carboxymethyl cellulose (CMC) and chitosan (CS) and impregnating them with iron oxide (FeO) as a potential adsorbent to remove Cr (VI) and Pb (II) from water. CMC-CS-FeO was characterized by pH, scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR).