The first experiments using wetland macrophytes for wastewater treatment were carried by
out by Käthe Seidel in Germany in early 1950s. The horizontal sub-surface flow constructed …

The hybrid systems were developed in the 1960s but their use increased only during the late
1990s and in the 2000s mostly because of more stringent discharge limits for nitrogen and …

Hybrid constructed wetland systems have recently been used to treat wastewaters where
high demand for removal of ammonia is required. However, these systems have not been …

5.7 Conclusion Constructed wetlands have been used for wastewater treatment for nearly
40 years and have become a widely accepted technology available to deal with both point …

Single-family constructed wetland systems in Ohio, USA, are studied to evaluate their
effectiveness in improving water quality. Twenty-one, three-cell systems (septic tank with two …

Nitrogen transformations in wetland ecosystems are very complex. The processes that affect
the removal and retention of nitrogen during wastewater treatment in constructed wetlands …

The constructed wetland (CW) in Gradišče (Slovenia) has been in operation since 1991 for
the purification of waste waters from a food processing plant. It functions according to the …

Based on data lhat none of the 53 registrated and 60 000 illegal landfill sites in Slovenia is
properly structured, the landfill leachate is deemed to be one of lhe most serious pollution …

Apesar do Brasil ter diversos projetos e estudos na área de saneamento, as ações
concretas e necessárias para este setor ainda estão por vir para a maioria da população …

Two designs of experimental combined constructed wetland systems were constructed:
vegetated (Scirpus grossus Linn) subsurface horizontal flow bed followed by a vegetated …