The ecosystem and human health are both significantly affected by the occurrence of
potentially harmful heavy metals in the aquatic environment. In general, wastewater …

The adsorption of β‐carotene from crude palm oil onto acid‐activated clay and clay modified
by zero valent iron (ZVI) was investigated in this work. Spectroscopic studies including FTIR …

Cowpea husk (CPH) was used as a low cost, effective and environmental friendly adsorbent
for the removal of crystal violet dye from wastewater. Batch adsorption studies were …

abstract In order to prepare an efficient activated carbon, facile chemical activation of carob
seeds using nitric acid was investigated. Box–Behnken design coupled with response …

In this study, urban pruning waste biosorbent after thermal activation process was used to
remove zinc ion from aqueous solution. The zinc adsorption was fast, with values above …

A natural clay was used as low-cost adsorbent for simultaneous removal of Ni (II) ions and
methylene blue (MB) dye from an aqueous solution. FTIR, XRD and SEM analysis were …