Natural Treatment Systems as Sustainable Ecotechnologies for the Developing Countries

Table 3

Various plants species involved in wastewater treatment.

Plant species	Nature of waste	References
Arundo donax (reeds); Eucalyptus botryoides (Southern mahogany)	Primary effluents*; Meat processing effluent	[173, 174]
Eucalyptus camaldulensis (red gum)Eucalyptus ovata (swamp gum); Eucalyptus grandis (rose gum)	Primary effluents*, storm; water pond; Meat processing effluent	[173–175]
Eucalyptus globulus  (Tasmanian bluegum); Eucalyptus cyanophylla (blue leaved mallee)	Secondary effluent**, storm water pond	[175–177]
Chloris gayana (Rhodes grass)	Secondary effluent**; enriched with nitrogen	[178]
Eucalyptus robusta (swamp mahogany)	Secondary effluent**; enriched with nitrogen	[178]

∗The liquid portion of wastewater leaving primary treatment like sedimentation but not biological oxidation.
∗∗The liquid portion of wastewater leaving secondary treatment facility involving biological processes.