New technology for in situ decontamination polluted soils by hydrocarbons IDA SRL
Contaminated area- case of study
Contaminants levels in the soil
Microtunneling system
Injection system proposed
Injection system scheme
Influence area for a sigle pipe
Washing soil Phase 1 Chemical decontamination , i.e Fenton reaction, Ozone, Sodium Peroxide, Hydrogen peroxide, others. Pipe chemicals inputs Control bars in depression Control bars in depression VADOSE ZONE
Efficacy of oxidizing reagents on certain types of contaminants Oxidant Easily degradable Hardly degradable Very difficult to degradable Idrogen Peroxides / Fenton Reagent TCA, PCE, TCE, DCE, DCA, CH 2 CI 2 CHCI3 (cloroformio), pesticides VC, BTEX, CB, (diclorometano), Phenols, MTBE, IPA, PCB, TBA, explosives tetracloruro di (es. TNT), 1,4- carbon diossano Ozon PCE, TCE, DCE, VC, DCA, CH 2 CI 2 , IPA CHCI3, pesticides, TCA, tetracloruro BTEX, CB, di carbon, PCB Phenols, MTBE, TBA, explosives Ozon/ Idrogen Peroxides TCA, PCE, TCE, DCE, DCA, CH 2 CI 2 , IPA, CHCI3, pesticides VC, BTEX, CB, tetracloruro di phenols, MTBE, carbon, PCB TBA, explosives, 1,4 diossano Permanganate (Potassium/Sodium) PCE, TCE, DCE, VC, Benzene, pesticides CHCI3, TCA, tetracloruro di carbon, BTEX, IPA, PCB phenols, explosii Persolfato attivato PCE, TCE, DCE, VC, IPA, explosives, BTEX, CB, pesticides, PCB phenols, MTBE, TBA, 1,4-diossano
Microbiological treatment Phase 2 Microbiological decontamination Microorganis and nutrients input Control pipe Control pipe Presurrized air Presurrized air inflow inflow
Modelling of capping Waterproof screen Floor Contaminant Contaminant Vadose zone
Tank for your attention IDA srl Via General Cantore 4 33097 Spilimbergo (PN) Relator : Ing.De Paoli Italo Luigi Ph.D Patend n. ° 202015000067993
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