Biomass-Derived Carbon Molecular Sieves Applied to an Enhanced Carbon Capture and Storage Process (e-CCS) for Flue Gas Streams in Shallow Reservoirs
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Materia
Adsorption Carbon dioxide (CO2) Carbon nanospheres Enhanced carbon capture and storage (e-CCS) Flue gas Molecular nano-sieves
Date
2020-05Referencia bibliográfica
Rodriguez Acevedo, E., Franco, C. A., Carrasco-Marín, F., Pérez-Cadenas, A. F., & Cortés, F. B. (2020). Biomass-Derived Carbon Molecular Sieves Applied to an Enhanced Carbon Capture and Storage Process (e-CCS) for Flue Gas Streams in Shallow Reservoirs. Nanomaterials, 10(5), 980. [doi:10.3390/nano10050980]
Sponsorship
Departamento Administrativo de Ciencia, Tecnologia e Innovacion Colciencias 647-2014; Fondo Nacional de Financiamiento para la Ciencia, la Tecnologia y la Innovacion "FRANCISCO JOSE DE CALDAS"; Agencia Nacional de Hidrocarburos (ANH); Departamento Administrativo de Ciencia, Tecnologia e Innovacion Colciencias; Universidad Nacional de Colombia; ERDF/Ministry of Science, Innovation and Universities-State Research Agency RTI2018-099224-B-I00Abstract
It is possible to take advantage of shallow reservoirs (<300 m) for CO2 capture and storage
in the post-combustion process. This process is called enhanced carbon capture and storage (e-CCS).
In this process, it is necessary to use a nano-modifying agent to improve the chemical-physical
properties of geological media, which allows the performance of CO2 selective adsorption to be
enhanced. Therefore, this study presents the development and evaluation of carbon sphere molecular
nano-sieves (CSMNS) from cane molasses for e-CSS. This is the first report in the scientific literature
on CSMNS, due to their size and structure. In this study, sandstone was used as geological media,
and was functionalized using a nanofluid, which was composed of CNMNS dispersed in deionized
water. Finally, CO2 or N2 streams were used for evaluating the adsorption process at different
conditions of pressure and temperature. As the main result, the nanomaterial allowed a natural
selectivity towards CO2, and the sandstone enhanced the adsorption capacity by an incremental
factor of 730 at reservoir conditions (50 ◦C and 2.5 MPa) using a nanoparticle mass fraction of 20%.
These nanofluids applied to a new concept of carbon capture and storage for shallow reservoirs
present a novel landscape for the control of industrial CO2 emissions.
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