IDA SRL Contaminated area- case of study Contaminants levels in the - PowerPoint PPT Presentation

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