- Activated Persulfate In-Situ Chemical Oxidation (ISCO)

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ISOTEC's persulfate technology uses sodium persulfate, activated by our patented modified Fenton's reagent, alkaline reagents (including sodium hydroxide and lime), hydrogen peroxide or our patented chelated iron complex to produce sulfate free radicals that attack contaminants. Persulfate, when used as an in-situ chemical oxidation reagent, is particularly effective at treating contaminants from aromatics like benzene, toluene, ethylbenzene, xylenes; and, chlorinated solvents such as perchloroethene (PCE) and trichloroethene (TCE). ISOTEC uses both injection and soil mixing methods to deliver reagent for environmental remediation.

S2O82- + Fe2+ → 2SO4●-

Where:

S2O82- = Persulfate (Sodium, Ammonium or Potassium)
SO4●-  =  Sulfate Radical

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