6 Conclusion
Constructed wetlands play an important role in the removal of heavy metals,
hydrocarbons, and pharmaceuticals from agricultural wastewater, domestic wastewater, municipal wastewater, and industrial wastewater treatment and distillation.
The constructed wetland can be considered for environmental education, water
distillation, and restoring the natural environment. This book chapter also
highlighted that the constructed wetland system is a practical, environmentally
friendly, and economical substitute technology to replace traditional secondary
natural ecosystem for treating industrial wastewater. Thus, the constructed wetland
technology has the prospective to be developed into an environmentally and economically acceptable wastewater treatment technology for developing countries.
Results from our studies will be useful to assist environmental professionals in
designing a scale-up system for practical application
Acknowledgment The authors of this chapter are tremendously grateful to the Higher Education
Commission, Islamabad, University of Peshawar and National Center of Excellence in Geology,
University of Peshawar for financial support.
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