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RENEWABLES

the utilization of electrolytic cells for re-
newable hydrogen generation, and the
final conditioning step based on either References
biological or chemical desulphurization,
followed by VESTA clean syngas metha- Chandel M., Williams E., 2009. Synthetic Natural Gas (SNG): Technology, Envi-
nation, the power to gas utilization with ronmental Implications, and Economics. Climate Change Policy Partnership, Duke
the VESTA process proves to be as fe- University, Durham, NC, available at: http://www.canadiancleanpowercoalition.
asible and efficient as biogas upgrading com/pdf/SNG3.
(Table 2). Domenichini R., Collodi G., Mancuso L., Hotta A., Palonen J., 2012. Biomass
gasification for the production of substitute natural gas (SNG): a practical route
through available and new technologies. IChemE Advancing Chemical Engineering
Conclusions Worldwide.
Mancuso L., 2015. Biomass gasification for the production of SNG: a practical
The valorisation of biogas, as well as route through available and new technologies. ANIMP Conference: Renewables,
the biomass gasification and the Power Grid, Energy Storage, 2 July.
nd
to Gas applications, can produce SNG, Ruggeri F., 2012. The Novel process VESTA for substitute natural gas production.
which is an ultra-clean and excellent Gasification Technology Conference, Washington.
energy carrier to be directly introduced Ruggeri F., Romano L., 2014. Methane from syngas – Status of Amec Foster Whe-
into existing natural gas systems and eler VESTA technology development. Conference of the Italian Thermal Engineering
used in the ever-demanding transition Association, ATI.
phase to a low carbon economy. In par- Stein R., Ray R., Waste Utilisation to Produce Green Natural Gas, 2016. Gasifica-
ticular, biomass and biogas offer very tion and Syngas Technologies Conference, Vancouver, 18 October.
th
significant potential, since they are rene- Ulmann’s Encyclopedia of Industrial Chemistry, fifth completely revised edition,
wable and carbon-neutral fuel. 1989. VHC Verlagsgesell schaft mbH, D-6940 Weinheim, Federal Republic of Ger-
The conversion of biomass to SNG via many.
gasification and subsequent methana-
tion of the produced syngas provides
an alternative in energy options, helps low carbon process scheme to produce SNG plant. The technical assessment
to reduce the dependency on fossil fuels Bio-SNG starting from different carbon- provided in this paper for the biogas
and reduces greenhouse gas emissions. free feedstocks. upgrading system makes the VESTA
Typically small-scale biomass gasifica- Now that the necessary technical process another very attractive option
tion systems have an attractively low research and validation on VESTA for the market since it is able to capture
installed cost. This paper involved the and integrated technologies has been the most recent market trend towards
verification of the technical sustainabili- completed, the demonstration on the Green-SNG production by exploiting
ty of the integration between the VESTA commercial scale will be finalized in renewable resources and Wood is ready
methane production technology and the the next few months for a Biomass-to- for its commercialization.

30 Impiantistica Italiana - Novembre-Dicembre 2018