Covalent organic frameworks (COFs) have demonstrated a great potential in the removal of
heavy metals due to its high adsorption capacity, large surface area, tunable porosity …

Adsorption techniques offer unique advantages owing to the use of synthetic (eg, nanosized
metal oxides and polymer-functionalized nanocomposites) and natural (eg, clay and …

Heavy metals and azo dyes caused huge harm to the aqueous system and human health. A
magnetic chitosan/polyethyleneimine embedded hydrophobic sodium alginate composite …

The field of wastewater management has seen a transition from “contaminant removal” in
wastewater treatment plants (WWTPs) to “nutrient recovery” in so-called water resource …

This review discusses the recent trends in the research over the last 30 years to use clay
minerals in natural and modified forms for removing different toxic organic/inorganic …

Amino-modified attapulgite (M-ATP) was prepared to remove Pb 2+ and Cu 2+ from the
aqueous solution. Fourier transform infrared spectroscopy (FT-IR) spectrums and X-ray …

Efficient nano-scale chromium (Cr) remediating agents used in the water industry may find
their application in soil difficult because of the strong aggregation effect. In this study, a …

Schiff-base functionalized superparamagnetic Fe 3 O 4 composites (Fe 3 O 4@ SiO 2-HO-S
and Fe 3 O 4@ SiO 2-HE-S) were synthesized by homogeneous and heterogeneous …

Oiltea camellia shells are a substantial agricultural waste in southern China, but their
resource utilization has not been given due attention. In this study, we prepared oiltea …

Although clay minerals play fundamental roles in many environmental processes, especially
in controlling the movement of various ions and molecules in soils, they are also useful …