Sepiolite-based adsorbents for carbon dioxide capture-Reference-Cited by-同舟云学术

Sepiolite-based adsorbents for carbon dioxide capture

Published:2021-02-24 Issue:0 Volume:0 Page:
ISSN:1899-4741
Container-title:Polish Journal of Chemical Technology
language:en
Short-container-title:

Author:

Szymańska Alicja¹,Kiełbasa Karolina¹

Affiliation:

1. West Pomeranian University of Technology , Szczecin, Faculty of Chemical Technology and Engineering, Department of Catalytic and Sorbent Materials Engineering , Piastów Ave. 42, 71-065 Szczecin , Poland

Abstract

Abstract Sepiolite and the sepiolite-based materials were studied in terms of carbon dioxide adsorption. The pore structure and the surface characterization of the obtained materials were specified based on adsorption-desorption isotherms of nitrogen measured at –196oC and carbon dioxide at 0oC. The specific surface area (SSA) was calculated according to the BET equation. The pore volume was estimated using the DFT method. Pristine sepiolite has shown the following value of SSA and CO2 uptake at 0oC – 105 m2/g and 0.27 mmol/g, respectively. The highest value of these parameters was found for material obtained by KOH activation of mixture sepiolite and molasses (MSEP2) – 676 m2/g and 1.49 mmol/g. Sample MSEP2 also indicated the highest value of total pore volume and micropores volume with a diameter up to 0.8 nm.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry,Biotechnology

Link

https://www.sciendo.com/pdf/10.2478/pjct-2021-0001

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