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Wettability of bio-coke by coal tar pitch for its use in carbon anodes

Huang Xianai, Kocaefe Duygu, Kocaefe Yasar S. et Bhattacharyay Dipankar. (2016). Wettability of bio-coke by coal tar pitch for its use in carbon anodes. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 490, p. 133-144.

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URL officielle: https://doi.org/10.1016/j.colsurfa.2015.11.044

Résumé

Information on the wettability of a bio-coke substrate is of great value in assessing its possible use as a potential raw material for carbon anode production. In this study, the interaction mechanisms of a coal tar pitch with six bio-coke substrates were studied at a temperature of 170 °C, a typical industrial value for coke-pitch mixing, using a sessile-drop test. Three bio-cokes were produced from different bio-materials by pyrolyzing them to 426 °C, and the other three by further calcining them to 1200 °C. Different techniques were used to analyze the structural and chemical characteristics of the six bio-cokes. The results show that the heat treatment temperature has a significant influence on the chemical properties of bio-cokes and the wettability of pitch/bio-coke systems. The possibility of partial replacement of petroleum coke by bio-coke is discussed from the point view of the suitability of its structure and its wettability.

Type de document:Article publié dans une revue avec comité d'évaluation
Volume:490
Pages:p. 133-144
Version évaluée par les pairs:Oui
Date:Février 2016
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:Bio-coke, carbon/carbon composites, contact angle, coal tar pitch, surface characterization, interface
Déposé le:28 févr. 2019 22:00
Dernière modification:28 févr. 2019 22:00
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