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ITEN

Liquefied Natural Gas (LNG)

gas naturale liquefatto

Thanks to its new uses, liquefied natural gas can contribute to the reduction of pollutant emissions

Once extracted, natural gas can be liquefied through a specific cooling process (that brings gas at -160 ° C). The operation engenders a remarkable reduction in volume. In liquid state, Liquefied natural gas (LNG) can be easily stored and transported by sea, thanks to special vessels. In this way the LNG can travel for thousands kilometers and reach the Italian regasification facilities. Once arrived, liquefied natural gas is discharged at a storage facility that takes it back to the gaseous form and makes it available for traditional consumption. The import of LNG through sea allows further diversification of sources of supply, with positive outcomes on national energy security.

GNL also has several alternative uses, thus it could replace traditional fossil fuels in several contexts and significantly reduce pollutant emissions for both maritime and heavy road transport.

Gas contributes to the growth and the sustainable achievement of the objectives of decarbonization at global level
   

LNG (LIQUEFIED NATURAL GAS) IN WORLD COMMERCE

LNG data

Legend

  • LNG
  • Pipeline

LNG will play an increasing role for the competitiveness of natural gas and will enable new markets to emerge, favoring the economic development of regions not yet equipped with modern energy systems.

Italy could attract more LNGs by developing new regasification capabilities.

LNG is an economical and efficient solution, that significantly reduces emissions of sea transport compared to other fossil fuels. In addition, LNG is subject to treatments that allow total elimination of particulate matter and SOx and almost total removal of NOx, thus making LNG a product with high standards of environmental compatibility .

The benefits are related to infrastructure upgrading, with particular attention to adaptation of the regasification terminals and construction of deposits on the coast.

LNG is part of a wider European Union energy and environmental policy that aims at the gradual transition to a low-carbon economy through the substantial reduction of pollutant emissions, the use of clean fuels and the use of renewable sources. In particular, in January 2013, the EU Commission has developed the Clean Power for Transport Package that has prepared a proposal for a Directive on the development of alternative fuel distribution infrastructure such as, for example, LNG. In addition, in 2016, the DAFI directive on alternative fuels was also transposed in Italy in order to establish a national strategic framework for the development of the CNG , of biofuel, of the LNG and the electricity in the transportation sector. Plan also included directives for the infrastructures and binding targets.

  • LNG development with the adaptation of existing terminals and realization of coastal deposits
  • Efficient and economical solution to reduce emissions in road and marine transport
CO2-25% NOX-90% SO2-100% Soot/
part
-100%

SSLNG demand in Italy in 2030 - forecast*: max 7 Mtoe (8.5 billion mc)

 
*Source: DAFI document(Ministry of economic development - June 2015)

POTENTIAL USE INSTEAD OF A TRADITIONAL FUEL

TRANSPORT (synergic with gas stations)
Land
icona Diesel for heavy road transport LNG
Sea
icona Fuel oil and maritime diesel for sea transport LNG
Heating (areas not connected with the network)
Industrial
icona GPL O.C. and diesel for heating LNG
Household
icona GPL O.C. and diesel for users not connected with the network LNG

*LNG delivered at liquid state, stored and eventually brought to aerial state

Snam sees in the new LNG uses a potential to safeguard the environment. For this purpose a feasibility study was carried out to implement Small scale LNG services in the Panigaglia terminal, in addition to the traditional regasification activities.

Liquified natural gas and the LNG "supply chain"

In order to be transported on LNG carriers, gas is liquefied. The liquefaction temperature of natural gas is approximately -160° C at atmospheric pressure.

LNG is essentially a colorless and odorless fluid with a density equal to approximately half that of water.

The LNG is transported by sea by high technology tankers featuring safety systems and environmental protection quality standards which are among the highest in the world.

Once arrived at its destination, the LNG is unloaded at the import terminal where it is heated and brought to a gaseous state and injected into the pipeline network, once at an appropriate pressure level.

La catena logistica dello small scale lng

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updated
11 August 2017 - 16:10 CEST