Environmental Science/Climate Change & Mitigation

Behavior of Emerging Pollutants in Constructed Wetlands
Alexandros I. Stefanakis, PhD

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Behavior of Emerging Pollutants in Constructed Wetlands

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This volume, Behavior of Emerging Pollutants in Constructed Wetlands, deals with the investigation of the technology of constructed wetlands for the treatment and removal of emerging pollutants from water and wastewater.

Constructed wetlands belong to the category of natural treatment systems and represent an alternative, ecological, and sustainable treatment method with multiple economic and environmental benefits compared to conventional treatment methods. These systems provide micro-environments that take advantage of various naturally occurring physical, chemical, and biological removal processes that take place within the system. They have been proved to be very effective in the removal of solids, nutrients, organic matter, and other pollutants from water and wastewater.

This volume will provide a unique opportunity to find concentrated in a single book all related information about emerging contaminants behavior in constructed wetlands. It will present state-of-the-art information and knowledge about the various transformation and removal processes of emerging contaminants that take place within these systems, their overall efficiency in the elimination of these contaminants, and design and operational guidelines for the optimum performance, as it is derived from the current status of research and applications. It will also highlight the benefits arising from the implementation of this technology, the potential gaps in fundamental knowledge that still exist and the respective future research targets.

Tentative contents
1. Introduction
2. Emerging contaminants

2.1 Occurrence
2.2 Groups
2.3 Sources
2.4 Environmental impact
2.5 Health effects
2.6 Conventional treatment technologies
3. Constructed wetlands
3.1 Classification
3.2 Substrate materials
3.3 Vegetation
4. Treatment processes
4.1 Biological
4.2 Physical
4.3 Chemical
5. Global performance
5.1 Design considerations
5.2 Removal efficiency
5.3 Effects of design parameters
5.3.1 CW type
5.3.2 Presence of plants
5.3.3 Plant species
5.3.4 Substrate media
5.4 Effects of operational parameters
5.4.1 Hydraulic and contaminant load
5.4.2 Operational mode
5.4.3 Hydraulic residence time
5.4.4 Seasonal variations
5.4.5 Redox and pH
6. Legislation and reuse
6.1 National and international legislation
6.2 Reuse possibility and options

About the Authors / Editors:
Alexandros I. Stefanakis, PhD
Environmental Engineer and Researcher, Ecological Engineering and Technology, Helmholtz Center for Environmental Research (UFZ), Leipzig, Germany
Alexandros I. Stefanakis, PhD, is an Environmental Engineer in Greece, dealing with the design of constructed wetlands facilities. He has published several papers in international well-known peer-reviewed scientific journals on water research, ecological engineering, and chemical engineering and has published several papers in conference proceedings, technical reports, and lecture notes. He has also written a book and chapters in books (e.g., Urban Water Reuse Handbook). His work includes numerous experiments with constructed wetlands systems of different types. He has participated in many national and EU research projects in Greece, Portugal, and Germany. He has taught at the undergraduate level on the topic of environmental protection, delivered seminars in postgraduate studies programs, and has been involved in international conference organizing. He has also supervised and trained various undergraduate students. He has received award during his career for his research work. Dr. Stefanakis holds diploma and doctoral degrees from the Department of Environmental Engineering, Democritus University of Thrace, Greece. He also holds a MSc degree in the field of hydraulic engineering from the Department of Civil Engineering of the same university. His MSc and PhD theses focused on the ecological treatment of wastewater and sludge using natural systems, mainly on constructed wetlands.

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