The paper summarizes the history and the use of the rhizosphere for wastewater treat-ment. This technology assures high level of pollutant removal and presents an ecological cha-racter. Most systems around the world are still primarily used to treat municipal and domestic wastewaters but treatment of many types of industrial and agricultural wastewaters, storm wa-ter runoff and landfill leachate has recently become common. There are several types of con-structed wetlands (rhizosphere systems), and they can be classified according different crite-ria: the water level, the direction of the flow, the type of vegetation.
«constructed wetlands», wastewater, purification efficiency, removal mechanisms, role of plants.
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