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  2. Electrokinetic remediation - Wikipedia

    en.wikipedia.org/wiki/Electrokinetic_remediation

    Electrokinetic remediation, also termed electrokinetics, is a technique of using direct electric current to remove organic, inorganic and heavy metal particles from the soil by electric potential. [ 1 ] [ 2 ] [ 3 ] The use of this technique provides an approach with minimum disturbance to the surface while treating subsurface contaminants .

  3. Conservation and restoration of iron and steel objects

    en.wikipedia.org/wiki/Conservation_and...

    The treatment report will indicate what type of structural treatment should be used. If the item is missing hardware it can be replaced by adding matching or similar screws and rivets. Adhesives, soldering, and welding can be used to repair a damaged structure. Protective coatings. Protective coatings can be good options for iron and steel objects.

  4. Zerovalent iron - Wikipedia

    en.wikipedia.org/wiki/Zerovalent_iron

    Cadmium (Cd 2+) is converted to immobile Cd metal. [9] Chloramines are effectively reduced by ZVI. [10] Nitrate reduction by iron powder is observed at pH ≤ 4. [11] Ammonia is the end product. Using nanoscale iron, Nitrogen gas (N 2) is the product. [12] Nitrated aromatics are reduced by bulk iron. [7] [13] [14] Chlorinated pesticides such as ...

  5. Legacy pollution - Wikipedia

    en.wikipedia.org/wiki/Legacy_pollution

    Physical Techniques in Remediation. Soil washing is a common method of remediation that has been well studied. It is most effective when used as a pair with other techniques like advanced oxidation or phytoremediation. [28] The effectiveness of soil washing varies based on cleaning agents, pH levels, and the types of pollutants present. [28]

  6. 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 ...

  7. Microbiologically induced calcite precipitation - Wikipedia

    en.wikipedia.org/wiki/Microbiologically_induced...

    Remediation for heavy metal and radionuclide contamination. MICP is a promising technique that can be used for containment of various contaminants and heavy metals.