Soil Remediation Methods


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A civil engineering graduate of The California Polytechnic University, Mehrdad Javaherian also holds advanced degrees in Public Health and a PhD in environmental epidemiology. He leverages his training to serve as an environmental remediation consultant with Endpoint Consulting, Inc. Dr. Mehrdad Javaherian also holds several patents for a sustainable vapor energy generator for use in soil remediation .

Scientists have developed a number of methods for soil remediation, including:

Thermal soil remediation. This method entails heating contaminated materials at temperatures of 650-900 degrees Fahrenheit in the primary treatment unit (PTU), which evaporates water and hydrocarbon impurities. The materials are then sent to a cooling unit via a conveying system prior to testing and recycling.

Bioremediation. The bioremediation technique relies on bacteria to break down soil pollutants and hydrocarbons. One of the advantages of this method is that the microbes die off after the bacteria consume all the contaminants.

Air sparging. Also referred to as air stripping, the air sparging method involves injecting large volumes of air into polluted soil to push out organic vapors and then treat them through carbon filtering.