Conceptual framework
- Location affected by 3.600 L insulating oil spill from electric cable between Mallorca and Menorca.
- Selected techniques:
-In situ sand cleaning with hydrocarbons.
-In situ groundwater pumping and treatment.
- Emergency project: 4 weeks of execution, March 2017.
Actions
Complementary research
- initial state evaluation of the affectation.
In situ sand excavation and cleaning
- 300 m3 recirculation pond. 30 m3 activated carbon.
Groundwater pump & treat
- Free phase product and dissolved hydrocarbon elimination.
Results
- 6000 m3 water treatment of processes with 300 m3 recirculation pond, constant renovation and purification with 30 m3 of activated carbon, sea water catchment, absorption and oils decantation.
- Groundwater pump & treat, more than 1.750 m3 treated, free phase product and dissolved hydrocarbon elimination.
- Reduction of TPH concentration more than 97%.
- High effectiveness technique, efficient and costs reduction, without spill management neither transport nor sand replacement.
- Technical supervision, analytic control, work monitoring, customer and administration endorsement and validation.
- Approval an validation by the client and administrations.
