There are number of water purification techniques but the adsorption is one of the most
simplest, effective and economical method for wastewater purification. In this article a large …

Sustainable wastewater treatment is one of the foremost challenges of twenty first century.
With the ever increasing levels of industrial toxic sludge disposal to water bodies, finding …

As a low-cost adsorbent, biochar can be used as a low-cost adsorbent for wastewater
treatment, particularly with respect to treating heavy metals in wastewater. A number of …

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 …

This review paper presents an overview of the available technologies used nowadays for
the removal of arsenic species from water. Conventionally applied techniques to remove …

Arsenic and antimony are metalloids, naturally present in the environment but also
introduced by human activities. Both elements are toxic and carcinogenic, and their removal …

Heavy metal contamination is a global issue, where the prevalent contaminants are arsenic
(As), cadmium (Cd), chromium (Cr)(VI), mercury (Hg), and lead (Pb). More often, they are …

In recent years, with the global increase in industrialization, there has been a significant
increase in the amount of toxic pollutants such as heavy metals being released into water …

In last a few decades, significant improvements were made in both efficiency and economy
for removal of heavy metals and metalloid (arsenic) from water using adsorbents. But less …

Due to the rapid growth in the heavy metal-based industries, their effluent and local dumping
have created significant environmental issues. In the past, typically, removal of heavy metals …