Abstract: In this paper,13 kinds of economic plants were aqua-cultured in a wastewater system to test their capability in phosphorous removal from sewage.The results showed that among the plants tested,Lolium multiflorum,Oenanthe stolonifera,Lactuca sativa var.angustana,Polygonum iapathifolium,Lactuca sativa,Allium ascalonicum and Brassica chinensis could remove the phosphorus from wastewater effectually.During the 4.5 months of aquaculture,the removal amount of total phosphorus by the 7 plant species was 10.27,10.35,6.5～6.89,6.91,5.72,5.46 and 6.19 g·m^-2,and the removal rate was 94.5%,95.2%,93.6%～99.3%,99.6%,99.5%,95% and 89.2%,respectively.Phosphorus absorption by plants was the most important way to remove the phosphorus from sewage,and the efficiency of phosphorus removal was correlated with the growth period of plants.It was indicated that 7 kinds of economic plants including L.multiflorum and O.stolonifera were suitable for aquaculture in south Jiangsu Province in winter.

Key words: Semi-aerobic, Municipal solid waste, Landfill gas, Methane