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Title
Wastewater Treatment by Phytoremediation in constructed wetlands as a green technology
Type of Research Presentation
Keywords
Phytoremediation, Industrial and textile wastewater, Heavy metals, Pigments, Environment.
Abstract
Water is an exceptionally essential source for the presence of life on the earth. The water quality has seriously affected because of the overgrowth of the population, human activities, and unskilled utilization of natural water resources [1]. Constructed wetland (CW) systems are used worldwide for removing pollutants from several types of wastewater. Their construction is relatively simple and their operational and maintenance costs are lower than conventional wastewater treatment technologies [2]. Plant metabolism can help to remediate or clean up contaminated sites. The pollutants enter the plant primarily via the roots, which contains many detoxifying mechanisms, provides surface area for adsorption and accumulation of water and nutrients that promote growth. These pollutants when absorbed by the plant, may be stored in the roots, stems, or leaves; changed into less harmful chemicals within the plant; or changed into gases that are released into the air as the plant transpires [3]. In this study, plants were selected and exposed to contaminated water. After a specified time, the output water was tested and the percentage of contaminated material was calculated. Then different parts of the plant were tested.
Researchers Abdolreza Abri (First Researcher)، Sara Taheri (Second Researcher)