| 简介 |
PURPOSE : A method and an apparatus for injecting nutrients and electron acceptor used in bioremediation of contaminated soil using an electric field are provided to reduce remediation cost of the contaminated soil by promptly remediating the contaminated soil in situ without excavation of the soil at various soil conditions. CONSTITUTION : An apparatus(10) for injecting nutrients and electron acceptor used in bioremediation of contaminated soil using an electric field comprises : a power supply unit(11); an interlocking pump(21); an electrical conductivity measuring instrument(12) which a measuring needle(121) is formed on a lower part thereof; a cylindrical cell(13) into which earth is injected; an anode water tank(14) and a cathode water tank(15) in which about one liter of an electrolyte is injected into both poles to adjust pH; a water collection cylinder(16) for checking an electroosmotic flow; a bubble tube(17) for maintaining a predetermined water level to prevent a flow due to hydraulic gradient; and a mixer(18) for mixing ammonium hydroxide with sulfuric acid. © KIPO 2006 |
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