… of Canna indica-planted and unplanted vertical subsurface flow CWs for the treatment of
Algiers petroleum refinery’s effluent. The selected species was … in north-central Nigeria. Int. J. …

… in a single unit applied for oil refinery wastewater treatment. Four pilot units were tested with
… of Constructed Wetlands was applied for refinery effluent containing heavy metals, phenols …

… Finally, future research perspectives associated with the use of … out in constructed wetlands
with either horizontal or vertical … are surface flow and subsurface flow constructed wetland. …

… the potentials of constructed wetland as a promising, effective … discharged point of the Kaduna
refinery and petrochemical … solids, sorption of heavy metals and organic matter as well as …

… Future studies should focus the effects of influent water … of pollution sources and treatment
of wastewater are significant … remove various heavy metals from mining wastewater by …

… of microbes and plants, and constructed wetlands etc., based … Heavy metals present in
wastewater effluents such as … Secondary refinery effluent of Kaduna refining plant was …

… for future years would, therefore, require adequate treatment … treated wastewater from
Abo-Rawash and secondary treated … ammonia using vertical and horizontal constructed wetlands. …

… Fate of heavy metals in vertical subsurface flow constructed wetlands treating secondary
treated petroleum refinery wastewater in Kaduna, Nigeria. Int J Phytoremediation., 20:44–53. …

… subsurface flow CW systems in terms of nitrification capacity of … plant species which are useful
for removing specific toxic metal … Future research should be focused on understanding the …

… On average, the BHFCW-FU with horizontal sub-surface flow regime could efficiently remove
around 93.93%, 87.20%, and 66.25% of turbidity, phenol, and COD, respectively, from real …