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Capping
Installation of an impermeable cover over landfill sites and/or polluted areas.
Characterisation
Detailed chemical/physical analysis of potentially polluted areas.
CTC
Contamination Threshold Concentrations, levels of environmental matrix pollution above which site characterisation and site-specific risk analysis are required.
Decommissioning
The act of closing, reclaiming and demolishing industrial plants.
Draining trench
Excavations which enable the capture or disposal of water from/into surrounding soil, filled with natural and highly permeable inert materials (gravel or quarry debris).
Draining trench
Excavations which enable the capture or disposal of water from/into surrounding soil, filled with natural and highly permeable inert materials (gravel or quarry debris).
Emergency Safety Containment Barrier
A hydraulic barrier (system of wells for the pumping of groundwater), or a physical barrier (sheet piling, impermeable area, etc.), installed for the emergency safety containment of the polluted Site or Area
ORP
Operative Reclamation Project.
On site technology
Reclamation systems consisting of equipment dislocated throughout the site and which treats soil/water, without requiring removal from natural location.
Off site technology
A reclamation method involving the removal/extraction of the environmental matrix and its treatment in plants beyond the site
On site technology
A reclamation method involving the removal/extraction of the environmental matrix and its treatment directly at the site
Pumping
Aspiration and extraction of groundwater.
Photovoltaic
A plant which generates electric power from solar energy.
Permanent safety containment
Containment works at a site designed and implemented as a definitive reclamation operation.
Percolated substances
Liquid normally caused by the infiltration of water into a mass of waste or by the decomposition of waste.
Phytoremediation
Reclamation technique involving the use of plants for the treatment of contaminated environmental matrices.
Piezometer
An instrument which is placed vertically into the ground using a probe to measure water pressure in an aquifer.
Pump & treat
Combined system for groundwater extraction and treatment.
Risk Analysis
Health risk analysis enables the quantitative assessment of risks to human health connected to the presence of pollutants in environmental matrices, and the definition of reclamation objectives.
RTC
Risk Threshold Concentrations, levels of environmental matrix pollution above which site characterisation and site-specific risk analysis are required, as specified in Annex 5 to the fourth part of this decree.If the potentially contaminated site is located in an area affected by anthropic or natural phenomena which exceed one or more contamination threshold concentrations, said concentrations are taken to be equal to existing background values for all exceeded values.
- Risk Threshold Concentrations (RTC): the contamination levels of environmental matrices, established on a case-by-case basis, with the application of a site-specific risk analysis procedure in accordance with principles illustrated in Annex 1 to the fourth part of this decree and on the basis of characterisation plan results; if exceeded, safety containment and reclamation are required.Concentration levels defined in this manner constitute acceptability levels for the site.
Revamping
Operation involving the review and restructuring of industrial plants with the purpose of increasing the useful life of facilities in the production process.
Sheet piling
Sheets, normally made from metal, which are driven into the ground at various depths to create separation or support barriers in the event of selective excavation operations.
SIN
Site of National Interest.
Topsoil removal
Removal of topsoil.
TAF
Groundwater treatment
Waste management
In 2019 the company managed 2 million tons of waste, of which 90% on behalf of Eni, excluding groundwater treated on site which is no longer considered waste in light of recent amendments to legislation.
On-site reclamation and KM0: best practices for waste management
In order to ensure the environmental sustainability of its reclamation operations,
Eni Rewind develops and proposes operations which favour on site techniques which
guarantee the achievement of expected results while minimising waste generation insofar
as no excavation is required, along with the off site disposal of polluted soil.
In line with the best waste management practices, Eni Rewind has an operations
plan to increase the proportion of waste recovered rather than disposed of at landfill
sites. In 2019, thanks to technologies such as biopiles and soil washing, about 169
thousand tonnes of waste were recovered compared to 285 thousand potentially recoverable
tonnes (59%).
By 2019 Eni Rewind will further improve the waste disposal
management process, with the optimisation of logistics, above all by identifying waste
treatment plants closest to the site of production (KM0) or the most effective sites
based on the type of waste.
OUR NUMBERS
2
Mton
59%
(~ 169 Ktons)
90%
2
Mton
59%
(~ 169 Ktons)
90%
WASTE TO FUEL
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