Activated nanocarbons produced by microwave-assisted hydrothermal carbonization of Amazonian fruit waste for methane storage

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Title: Activated nanocarbons produced by microwave-assisted hydrothermal carbonization of Amazonian fruit waste for methane storage
Authors: Cruz Jr., Orlando F. | Silvestre-Albero, Joaquín | Casco, Mirian Elizabeth | Hotza, Dachamir | Rambo, Carlos R.
Research Group/s: Materiales Avanzados
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Carbon nanoparticles | Biomass | Hydrothermal microwave carbonization | Methane storage
Knowledge Area: Química Inorgánica
Issue Date: 1-Sep-2018
Publisher: Elsevier
Citation: Materials Chemistry and Physics. 2018, 216: 42-46. doi:10.1016/j.matchemphys.2018.05.079
Abstract: This work reports the preparation and characterization of biomass-derived renewable microporous carbon nanoparticles obtained by microwave-assisted hydrothermal carbonization (MAHC), following by physical activation, of assai stone waste. Conventional routes (i.e. carbonization in furnace and chemical activation) was also investigated. The highest yield provided by MAHC combined with CO2 as activating agent resulted in nanocarbons with surface area of 1100 m2/g and a very narrow pore size distribution with a micropore volume of 0.45 cm3/g. Owing to the excellent combination of microporosity and high bulk density (0.89 g/cm3). The biomass-derived carbon shows great potential to be used as adsorbent for natural gas storage. Indeed, high pressure methane adsorption isotherm in volumetric basis revealed an uptake value of 140 V(STP)/V at 25 °C and 4 MPa.
Sponsor: The authors would like to thank the Fundação de Amparo à Pesquisa do Estado do Amazonas, the National Council for Scientific and Technological Development (CNPq/Brazil) for financial support and Coordination for the Improvement of Higher Level Personnel (CAPES/Brazil) for the scholarships.
ISSN: 0254-0584 (Print) | 1879-3312 (Online)
DOI: 10.1016/j.matchemphys.2018.05.079
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 Elsevier B.V.
Peer Review: si
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Appears in Collections:INV - LMA - Artículos de Revistas

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