The advantages of phytoremedation

phytoremediation ppt

Park, D. Fundamentally, it is a natural process that enhances the soil structure in addition to reducing the harmful contaminant to far less toxic levels.

Phytoremediation plants

This is a preview of subscription content, log in to check access. Nordmeyer-Massner, K. Stewart, R. Lukina, L. Kirkman, P. Petit, R. Cesium was released as far away as Sweden, but the majority of the fallout occurred immediately north of the reactor site. Petersburg, [in Russian]. This way, it decreases the risk of the heavy metal contaminating the ground water.

Phytomining Once the plants have taken up the contaminants and they have bioaccumulated, companies specialize in phytomining. Advantages of Phytoremediation Plant roots stabilize soil and prevent movement of pollutants via runoff and windblown dust.

advantages and disadvantages of phytoremediation pdf

Thus, it takes time and plant mass to remove the contaminants. Other Considerations Regulatory Concerns As with other remediation techniques, cleanup time and the extent of the cleanup is often under regulatory considerations. The changing contaminant concentration ensures that the current process is effective, and can resultingly be utilized to modified the current treatment plan.

The advantages of phytoremedation

Soil Sci. Soil is sometimes flooded to encourage the dissolution of pollutants and increased evapotranspiration. Figure 1. Agafonov, and N. Ebel, and A. Phytoremediation cannot treat deep contamination; grasses can cleanse up to three feet, shrubs up to ten feet, and deep-rooting trees up to 20 feet. The contaminants may still have the opportunity to leach into the groundwater if they are highly mobile, nitrates for example.

Anderson, and B. Phytoremediation requires several years or even decades to halve the levels of most contamination; this is especially seen when dealing with heavy metals McGrath. The biggest emphasis has been on control of the potentially toxic plant material, as it may have significant amounts of organic compounds and need additional treatment.

phytoremediation process

Park, B. Hence, the plants reduce toxicity with exceptions and sequester the xenobiotics in phytotransformation.

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Phytoremediation