Fig. 5
From: Large-scale remediation of oil-contaminated water using floating treatment wetlands
a–f Application of floating treatment wetlands in the oil-contaminated water stabilization pit of an oil and gas company. Oil-contaminated water stabilization pit a, vegetation of mats with plants and their inoculation with bacteria b, c, fixing of mats to each other d, adding the bacteria to the pit e, and the growth of the plants at the initial stage f
