Iron sulphides, mainly in the form of mackinawite (FeS), pyrrhotite (Fe 1-x S, x= 0–0.125) and
pyrite (FeS 2), are the most abundant sulphide minerals and can be oxidized under anoxic …

The handling and disposal of voluminous sludge produced from water treatment plant poses
difficulty to environmental scientists and engineers. In fact, its environmental friendly …

The knowledge on the performance enhancement of nitrogen and organic matter in the
expanded constructed wetlands (CWs) with various new designs, configurations, and …

Constructed wetland (CW) for wastewater treatment has attracted increasing attention. In this
review, the system configuration optimization, purification effect and general mechanisms of …

Water treatment residuals (WTRs) are by-products of the coagulation and flocculation phase
of the drinking water treatment process that is employed in the vast majority of water …

A newly emerged alum sludge-based hybrid constructed wetland-microbial fuel cells (CW-
MFCs), ie vertical upflow CW coupled MFC as 1st stage and horizontal subsurface flow CW …

Nitrate is the most common water environmental pollutant in the world. Inorganic electron
donor-mediated denitrification is a typical process with significant advantages in treating low …

In this study, aerated constructed wetlands (CWs) modified with biochar were used to treat
anaerobically-digested swine wastewater. Nitrogen removal performance and mechanisms …

Stormwater runoff is a significant source of heavy metals, including cadmium (Cd), chromium
(Cr), and nickel (Ni), which pose ecological and human health problems. Various filter media …

It has been well recognised that the representative activated sludge process as the principal
wastewater treatment technology is not only expensive but requires supervision by technical …