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ITEN

Water

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In 2016, approximately 4.18 million cubic metres of water was consumed: 4 million cubic metres of sea water and 0.18 million cubic metres of freshwater

 

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Sea water is used to cool auxiliary systems in the liquefied natural gas regasification plant

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Fresh water is used primarily for office use, firefighting equipment and the irrigation of green areas.

Water procurement and discharge in the activities of Snam represents a relatively insignificant environmental factor, in terms of both the quantities used and the type of discharges. In 2016, approximately 4 million cubic metres of sea water (the same amount as in previous years) and 0.18 million cubic metres of fresh water  were consumed.

Sea water is used to cool auxiliary systems in the liquefied natural gas regasification plant, fresh water drawn from wells is used to irrigate green areas, and water taken from aqueducts is reserved for office use and fire-extinguishing systems.

Fresh water procurement declined by 2.8% compared with 2015.  

Fresh water consumption 103 m3

 

Fresh water discharge 103 m3

 

With regard to water discharges, the sea water is released into the sea as is, without any treatment, while the waste water is channelled into the sewage networks (64% of the total) or discharged, after treatment, into the soil and into surface water bodies (36% of the total).

To control the discharge of domestic waste water in the gas compressor stations, 18 closed-cycle  phytodepuration  plants were installed over the years at corporate sites away from the sewage networks. These phyto-purification plants eliminate discharge since waste water is treated and fully absorbed by planted vegetation following the separation of sedimentable solids.

In the storage business, in the upstream phase, approximately 5,185 cubic metres of process water were produced. Of this water, about 1,934 cubic metres were reinjected as is, while the rest (about 3,251 cubic metres) was sent to a purification plant for treatment.


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updated
28 April 2017 - 16:15 CEST