The occurrence of emerging contaminants (ECs), such as pharmaceuticals and personal
care products (PPCPs), perfluoroalkyl and polyfluoroalkyl substances (PFASs) and …

Wastewater effluent discharges have been considered as one of the main sources of
synthetic chemicals entering into the aquatic environment. Even though they occur at low …

Many efforts have been made to understand the biodegradation of emerging trace organic
contaminants (EOCs) in the natural and engineered systems. This review summarizes the …

Lindane, the γ-isomer of hexachlorocyclohexane (HCH), is a potent insecticide. Purified
lindane or unpurified mixtures of this and α-, β-, and δ-isomers of HCH were widely used as …

Ammonia oxidizing bacteria extract energy for growth from the oxidation of ammonia to
nitrite. Ammonia monooxygenase, which initiates ammonia oxidation, remains enigmatic …

Municipal wastewaters contain a multitude of organic trace pollutants. Often, their
biodegradability by activated sludge microorganisms is decisive for their elimination during …

Nitrification is a core process in the global nitrogen cycle that is essential for the functioning
of many ecosystems. The discovery of autotrophic ammonia-oxidizing archaea (AOA) within …

While there has been a significant recent improvement in the removal of pollutants in natural
and engineered systems, trace organic chemicals (TrOCs) are posing a major threat to …

Trichloroethylene (TCE) is a ubiquitous chlorinated aliphatic hydrocarbon (CAH) in the
environment, which is a Group 1 carcinogen with negative impacts on human health and …

Contamination by chloroethenes has a severe negative effect on both the environment and
human health. This has prompted intensive remediation activity in recent years, along with …