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  2. In situ chemical reduction - Wikipedia

    en.wikipedia.org/wiki/In_situ_chemical_reduction

    Like ISCO, it is able to decontaminate many compounds, and, in theory, ISCR could be more effective in ground water remediation than ISCO. Chemical reduction is one half of a redox reaction, which results in the gain of electrons. One of the reactants in the reaction becomes oxidized, or loses electrons, while the other reactant becomes reduced ...

  3. Groundwater remediation - Wikipedia

    en.wikipedia.org/wiki/Groundwater_remediation

    Groundwater remediation is the process that is used to treat polluted groundwater by removing the pollutants or converting them into harmless products. Groundwater is water present below the ground surface that saturates the pore space in the subsurface.

  4. In situ chemical oxidation - Wikipedia

    en.wikipedia.org/wiki/In_situ_chemical_oxidation

    2 is not very soluble in water. This poses a problem in ground water remediation, because the chemical must be able to mix with water to remove the contaminant. Fortunately, ozone (O 3) is about 12 times more soluble than O 2 [5] and, although it is still comparably insoluble, it is a strong oxidant. [3]

  5. Environmental remediation - Wikipedia

    en.wikipedia.org/wiki/Environmental_remediation

    Environmental remediation is the cleanup of hazardous substances dealing with the removal, treatment and containment of pollution or contaminants from environmental media such as soil, groundwater, sediment. [1] Remediation may be required by regulations before development of land revitalization projects.

  6. Air sparging - Wikipedia

    en.wikipedia.org/wiki/Air_sparging

    Air sparging, also known as in situ air stripping [1] and in situ volatilization is an in situ remediation technique, used for the treatment of saturated soils and groundwater contaminated by volatile organic compounds (VOCs) like petroleum hydrocarbons, [2] a widespread problem for the ground water and soil health.

  7. Permeable reactive barrier - Wikipedia

    en.wikipedia.org/wiki/Permeable_reactive_barrier

    At the time, the best available remediation technology was pump and treat technology. PRBs presented a more cost-effective solution to the problem at hand, being able to passively remediate the groundwater. Granular metal was chosen as the reactive media after laboratory testing using contaminated water from the site.