Natural occurrence and anthropogenic practices contribute to the release of pollutants,
specifically heavy metals, in water over the years. Therefore, this leads to a demand of …

Recycling gold from electronic waste offers significant benefits for both environmental
protection and resource sustainability. However, this process presents considerable …

Natural iron sand is a magnetic material that has considerable potential as a source of iron
ore (Fe). The presence of iron sand in nature is mixed with other non-magnetic material so …

Puntaru beach is famous for its three-colored sand that is mixed into one of the reddish-
brown, black and white sand. Research on the mineral composition of the tricolor sand has …

Magnetic adsorbents are composed of magnetic materials for magnetic separation and
functional molecules for adsorption of substances. Depending on the properties of the …

In this research, a study of the adsorption kinetics of heavy metal Pb (II) with white sand
adsorbent has been carried out. The use of white sand as an adsorbent is based on the …

This study analyzes the adsorption kinetics of the highly toxic heavy metal Pb (II) using white
sand adsorbent. The white sand adsorbent was activated with NaOH at concentrations of 2 …