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

被引：26
|
作者：
Huang, Xianai
Kocaefe, Duygu [1 ]
Kocaefe, Yasar
Bhattacharyay, Dipankar
机构：
[1] Univ Quebec Chicoutimi, UQAC AAI Res Chair Carbon, Chicoutimi, PQ G7H 2B1, Canada
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2016年 / 490卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Bio-coke; Carbon/carbon composites; Contact angle; Coal tar pitch; Surface characterization; Interface; CHEMICAL ACTIVATION; ELECTRODE MATERIALS; CO2; GASIFICATION; PETROLEUM COKE; WOOD; SURFACE; SPECTROSCOPY; ADSORPTION; CHARCOAL; XPS;
D O I：
10.1016/j.colsurfa.2015.11.044
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 degrees 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 degrees C, and the other three by further calcining them to 1200 degrees 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. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：133 / 144
页数：12
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