Phytoremediation of Nitrogen as Green Chemistry for Wastewater Treatment System

Table 2

Comparison on the energy consumption of the existing ammoniacal remediation and phytoremediation.

Technology	Energy usage	Reference
Ammonia stripping	450 MJ/m^3 per leachate treated	[12]
Breakpoint chlorination	17.4 million kwh/yr (electricity cost)	[13]
Biological nitrification	6.31 million kWh/yr (electricity cost)	[13]
Ion exchange	126–194 MJ per NH4-N treated	[8]
Phytoremediation	Harvest energy from sunlight	[14]