Special Issue "Constructed Wetlands for Water Treatment: New Developments"
A special issue of Water (ISSN 2073-4441).
Deadline for manuscript submissions: closed (31 August 2016)
Dr. Carlos A. Arias
Department of Bioscience - Aquatic Biology, Aarhus University, Aarhus, Denmark
Interests: constructed wetlands; ecotechnologies; wastewater treatment; nutrient removal; water reuse; emergent pollutants
Constructed wetlands (CWs) are one of the most interesting eco-technologies with proven efficiency and applications from rural to urban and even industrial settings. The achievements in terms of efficiency and implementation of traditional systems (free water surface (FWS), horizontal subsurface flow (HSSF), vertical flow (VF)) are known and thoroughly documented. However, in recent years, researchers and practitioners have been working on new developments and challenging applications. Various approaches for reducing the area requirements and increasing the capacity of traditional CWs systems have been tested. Varying the hydraulics by recirculation of treated waters, use of fill-and-drain cycles, use of reactive media, and forced aeration are examples of common approaches used to increase treatment capacity. CWs are also being tested for their capacity to tackle new challenges, such as the removal of special and sometimes recalcitrant pollutants, e.g., biocides, pharmaceuticals, and other micro-pollutants, as well as many types of industrial wastewaters. Additionally, our mechanistic understanding of the processes going on inside the CW “black-box”, i.e., degradation pathways and kinetics, the interactive roles of plants, microbes and media, etc., has advanced significantly in recent years. This Special Issue of Water is thought to compile the latest advances in the constructed wetlands treatment technology, both in terms of design optimisations, applications and removal processes. We foresee that the papers compiled in this Special Issue will contribute to further develop and disseminate the CW treatment technology as a reliable and robust water treatment solution.
Prof. Dr. Hans Brix
Dr. Carlos A. Arias
Dr. Pedro N. Carvalho
Manuscript Submission Information
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- treatment wetland
- aerated wetlands
- tidal flow wetlands
- microbial electrochemical wetlands
- recalcitrant compounds
- emerging contaminants
- microbial functions in wetlands
- new applications