Water scarcity is a major threat to agriculture and humans due to over abstraction of
groundwater, rapid urbanization and improper use in industrial processes. Industrial …

This paper is a review of research and experiences related to the application of constructed
wetland systems (CWs) in southeastern Poland in 1992–2016. On the basis of literature …

Temperature is a key element affecting the activity of microorganisms in activated sludge.
Low water temperature generally leads to decreasing wastewater treatment efficiency and …

The nitrogen cycle has been expanded with the recent discovery of Nitrospira strains that
can conduct complete ammonium oxidation (commamox). Their importance in the nitrogen …

This paper reports a comparative study on kinetics of organic matter expressed as BOD 5
and nitrogen removal in constructed wetlands operated in Poland. Analyzed data were …

Water quality standards across the world are being re-written to promote healthier
ecosystems, ensure safe potable water sources, increased biodiversity, and enhanced …

Landfill leachate treatment is challenging because of complex chemical composition. This
study identifies the factors associated with organics and nutrients removal performance …

This paper investigates the removal efficiency of organic matter, nitrogen, phosphorus,
coliforms and pathogens from rural domestic wastewater in a two-stage vertical flow multi …

Constructed wetlands are low-cost, natural technologies that are often employed for the
treatment of different types of wastewater. In this study, landfill leachate and municipal …

In recent years, constructed wetland systems are used widely for the purification of small
amounts of wastewater because they provide very high effects of removing impurities. The …