Phytoremediation are emerged technology among the environmentalist as the green technology and environmental friendly approach in the domestic, agricultural and industrial wastewater treatment. This method had shown their potential in reducing organics, solids, nutrients and trace metal concentration. Due to their potential in removing pollutant and improving the water quality, this technology had been used in industrial wastewater and effluent treatment such as aquacultures effluent, leachate and palm oil mill effluent (POME). Various species of aquatic plants such as water hyacinth and water lettuce had been utilized in the phytoremediation treatment and they demonstrate a pollutant removal with higher percentage in the wastewater like POME. Thus, this paper will review the phytoremediation potential of the constructed wetland (CW) treatment systems and their essential component in the POME treatment.
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Sa’at et al. (2017) studied this question.