Experiment of Domestic Wastewater Treatment Ability of Canna Roma and Phragmites Comunis (L.)Trin by Subsurface Flow Constructed Wetland at Tay Nguyen University

Nowadays, phytoremediation is a good measure for waste water treatment because it processes pollution parameters well and reuses waste. In addition, it is environmentally friendly and less resource consuming. This study determines the effectiveness and application potential of using phytoremediation for domestic waste water treatment at Tay Nguyen University. The results of study shows that Phragmites communis(L.) Trin and Canna Roma give high performance in subsurface flow constructed wetland system. Particularly, the plants adapt well to tropical climate and grow Fast with the height of Phragmites communis(L.) Trin and Canna Roma of 5.2 cm/week and 11.4 cm/week respectively. The effective treatment of this model is over 73% for NH4+, PO43-, COD, BOD5, TSS but it still reaches 47.8% - 56.1% for NO3-