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ENGINEERING

How to generate power

from natural gas

without CO emissions

2

Figure 1. Netpower demonstration plant- La Porte, Texas

Potential synergy between Carlo Coltri cost of this fluid compared to water; now
Allam cycle and extraction e Tsuyoshi Ishida the game has probably changed, thanks
to Netpower technology, and there could
of shale gas with ased on the new techno- be the opportunity to produce power from
natural gas without any CO emissions. A
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supercritical CO logy of Netpower (Allam full description of the technology of extrac-
2 cycle – which will be shortly ting shale gas with supercritical CO will be
2
described) and with referen- described by Professor Ishida, who firstly
ce to previous articles Coltri has started experimentally studies for this
B(2015), Giacomazzi and Mes- potential application; the article will descri-
sina (2015) and Gandossi an Coltri (2016), be a potential loop between Allam cycle
the present article will propose a way to and SC-CO shale gas extraction.
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use SC-CO (supercritical carbon dioxide)
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out of Allam cycle for extracting shale gas.
In 2015 one of the biggest cons of the ex- Allam Cycle
tracting of shale gas with SC-CO was the The Allam cycle technology is shortly
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52 Impiantistica Italiana - Settembre-Ottobre 2020