Figure 1
From: Soil column-experimental research on the migration pattern of petroleum pollutant in the soil

Crude oil contaminated soil. (a) Contaminated soil in wellhead; (b) Crude oil that falls to the ground.
From: Soil column-experimental research on the migration pattern of petroleum pollutant in the soil

Crude oil contaminated soil. (a) Contaminated soil in wellhead; (b) Crude oil that falls to the ground.