Upgrading waste tires by chemical activation for the capture of SO₂

Nieto-Márquez Ballesteros, Antonio and Atanes Sánchez, Evangelina and Morena, Juan and Fernández Martínez, Francisco and Valverde Palomino, José Luis (2016). Upgrading waste tires by chemical activation for the capture of SO₂. "Fuel Processing Technology", v. 144 ; pp. 274-281. ISSN 0378-3820. https://doi.org/10.1016/j.fuproc.2016.01.009.

Description

Title: Upgrading waste tires by chemical activation for the capture of SO₂
Author/s:
  • Nieto-Márquez Ballesteros, Antonio
  • Atanes Sánchez, Evangelina
  • Morena, Juan
  • Fernández Martínez, Francisco
  • Valverde Palomino, José Luis
Item Type: Article
Título de Revista/Publicación: Fuel Processing Technology
Date: 11 January 2016
ISSN: 0378-3820
Volume: 144
Subjects:
Freetext Keywords: Waste tire; SO₂ adsorption; Activated carbon; Surface basicity
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Mecánica, Química y Diseño Industrial
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Waste tires have been upgraded as activated carbon by chemical activation with KOH at different KOH:tire ratios, 0:1, 0.5:1, 1:1 and 4:1, namely AC-0, AC-0.5, AC-1 and AC-4 and characterized in terms of elemental and proximate analyses, nitrogen adsorption/desorption, acid/base and Boehm titrations. An increase in activating agent:tire ratio resulted in an increase in the fixed carbon content, surface area and pore volume, and a decrease in surface basicity and sulfur content. The so-prepared materials were tested in the adsorption of SO₂, as an important pollutant from fuel combustion, using a thermogravimetric analyzer. The final adsorption capacity followed the trend AC-0 < AC-0.5 <AC-1 < AC-4, matching that of increasing surface area and pore volume, while adsorption affinity was impacted by both textural and acid/base properties. A kinetic model with statistical validation based on Ritchie's equation successfully matched the transient uptake data, where larger rate constant values were obtained for those carbons presenting higher surface basicity.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainCI145618001MICINN - FEDERJuan Mario García de MaríaEquipamiento para el Laboratorio de Investigación en Materiales de Interés Tecnológico

More information

Item ID: 66016
DC Identifier: https://oa.upm.es/66016/
OAI Identifier: oai:oa.upm.es:66016
DOI: 10.1016/j.fuproc.2016.01.009
Official URL: https://www.sciencedirect.com/science/article/pii/S0378382016300108?via%3Dihub
Deposited by: Memoria Investigacion
Deposited on: 04 Feb 2021 08:04
Last Modified: 23 Feb 2021 10:32
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