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Pore connectivity of shale is a critical factor in shale gas migration and production. In order to investigate the pore connectivity from three typical shale formations in south China (Longmaxi, Niutitang, and Longtan shales), we conducted complementary analyses with field emission-scanning electron microscopy (FE-SEM), mercury intrusion capillary pressure (MICP), gas (CO2 and N2) sorption isotherm,...
Longmaxi Formation is the leading target play of shale gas development in Sichuan Basin (China) with a large amount of natural gas produced from this organic-rich overmature shale since 2014. In order to investigate the nano-scale pore system, small-angle neutron scattering (SANS) technique was applied on four Longmaxi shale samples (JY-01 to -04) with a range of different lithology. The scattering...
Zanthoxylum bungeanum seed oil (ZSO) with high free fatty acids (FFA) can be used for biodiesel production by ferric sulfate-catalyzed esterification followed by transesterification using calcium oxide (CaO) as an alkaline catalyst. Acid value of ZSO with high FFA can be reduced to less than 2mg KOH/g by one-step esterification with methanol-to-FFA molar ratio 40.91:1, ferric sulfate 9.75% (based...
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