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All About Soil Vapor Extraction

Environmental remediation is important because it directly affects our treatment of our natural environment. It is the branch of science that deals with the removal of pollutants or contamination from environmental media such as surface water, sediment, groundwater and soil. For what? For the general protection and benefit of human health.

Some of the most common and well-known environmental remediation technologies are dredging and excavation, SEAR or Surfactant Enhanced Aquifer Remediation, Pump and Treat, Stabilization and Solidification, In Situ Oxidation and others such as bioremediation.

One of the most complex and sophisticated types of environmental remediation is soil vapor extraction or SVE. For more details on soil vapor extraction you can browse the internet.

Solid Vapor Extraction

Soil vapor extraction is a type of remedial technology used to treat contaminated soils, as the name implies. Another similar but different type of remediation technology is MPE or multiphase extraction, which is used to treat soil and groundwater, but differs from SVE in that both methods use different types of technologies.

Soil vapor extraction is divided into three different types:

1. Granular Activated Carbon: Granular Activated Carbon (or GAC) is a technology used as a filter for water or air. GACs are commonly seen in home sinks used to filter tap water. However, it is not effective in filtering heavy metals from water.

2. Thermal oxidation: Thermal oxidation is another type of technology, but also effective. But this approach has since proved controversial as it releases dioxins into the atmosphere as exhaust gasses.

3. Steam Condensation: Steam condensation is considered to be the most effective type of treatment technology available (off-gasses) for high concentration steam streams. This technology is also sometimes called cryogenic cooling and compression.