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2. Underground storage tank - Wikipedia

   en.wikipedia.org/wiki/Underground_storage_tank

   A horizontal cylindrical steel tank with a factory-applied coating and galvanic anodes prior to installation underground. Underground storage tank removal in Washington, D.C. An underground storage tank ( UST ) is, according to United States federal regulations, a storage tank , including any underground piping connected to the tank, that has ...

3. Galvanic anode - Wikipedia

   en.wikipedia.org/wiki/Galvanic_anode

   In brief, corrosion is a chemical reaction occurring by an electrochemical mechanism (a redox reaction). [1] During corrosion of iron or steel there are two reactions, oxidation (equation 1), where electrons leave the metal (and the metal dissolves, i.e. actual loss of metal results) and reduction, where the electrons are used to convert oxygen and water to hydroxide ions (equation 2): [2]

4. Cathodic protection - Wikipedia

   en.wikipedia.org/wiki/Cathodic_protection

   Aluminum sacrificial anodes (light colored rectangular bars) mounted on a steel jacket structure. Zinc sacrificial anode (rounded object) screwed to the underside of the hull of a small boat. Cathodic protection (CP; / k æ ˈ θ ɒ d ɪ k / ⓘ) is a technique used to control the corrosion of a metal surface by making it the cathode of an ...

5. What are leaking underground storage tanks and how are ... - AOL

   www.aol.com/news/leaking-underground-storage...

   More than 516,000 leaks have been cleaned up since Congress directed EPA to begin regulating underground tanks in 1984, but more than 57,000 known sites still await a full cleanup, the EPA said.

6. Anodic protection - Wikipedia

   en.wikipedia.org/wiki/Anodic_protection

   Anodic protection is used for carbon steel storage tanks containing extreme pH environments including concentrated sulfuric acid and 50 percent caustic soda where cathodic protection is not suitable due to very high current requirements. In anodic protection potentiostat is used to maintain a metal at constant potential with respect to ...

7. Work to finally start under disputed $45B contract for ...

   www.aol.com/news/finally-start-under-disputed-45...

   The underground radioactive waste storage tanks and the vitrification plant are in the center of the site. BWXT was awarded the environmental management contract for DOE’s Savannah River, S.C ...