Clay minerals retain or adsorb metal ions in the Earth's critical zone. Rocks, sediments and
soils rich in clay minerals can concentrate rare earth elements (REEs) in ion adsorption-type …

Adsorption has been proved to be the best process of water treatment because of its
significant advantages. Clays and their minerals are abundant and cheap material …

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 …

The exposure to low or high concentrations of arsenic (As), either due to the direct
consumption of As contaminated drinking water, or indirectly through daily intake of As …

Arsenic contaminations of groundwater in several parts of the world are the results of natural
and/or anthropogenic sources, and have a large impact on human health. Millions of people …

The presence of heavy metals in the environment is an issue of great concern because of
their growing discharge, toxicity, and other adverse effects on the receiving water …

The mining industry is a major contributor of various toxic metals and metalloids to the
aquatic environment. Efficient and economical water treatment methods are therefore of …

Globally, groundwater with high fluoride and arsenic receives extensive concern because of
its wide distribution and great harm to human health caused by drinking water. In this paper …

Wastewater is always composed of different pollutants, most of which are toxic to the living
being. It is very tough to separate all those diverse groups of contaminants using a single …

Drinking water supply for the Main Ethiopian Rift (MER) area principally relies on
groundwater wells and springs and is characterized by natural source of elevated fluoride …