Objectives of the study
Small-scale artificial wetland systems are considered the best sanitation facilities for rural areas and are widely used for rural domestic sewage treatment. Wetland plants play a vital role in the removal of nitrogen and phosphorus in artificial wetland systems. In this study, 7 types of wetland plants were selected to determine their efficiency and mechanism to remove nitrogen and phosphorus from rural domestic sewage, including Myriophyllum verticillatum (MV), Arundo donax (AD), Typha orientalis (TO), Acorus calamus (AC), Iris tectorum (IT), Scirpus validus (SV), and Nymphaea tetragona Georgi (NTG). We provides a theoretical basis for selecting plant species that efficiently purify sewage in wetlands.