Recycling tyre wastes as additives in industrial coal blends for cokemaking

被引：9
|
作者：
Fernandez, A. M. [1 ]
Barriocanal, C. [1 ]
Diaz-Faes, E. [1 ]
机构：
[1] INCAR CSIC, Inst Nacl Carbon, Oviedo 33080, Spain
来源：
FUEL PROCESSING TECHNOLOGY | 2015年 / 132卷
关键词：
Scrap tyres; Coal blends; Fluidity; Ash composition; Coke quality; METALLURGICAL COKE; PYROLYSIS; BEHAVIOR; QUALITY; TIRES; PLASTICITY; PRODUCTS; IRON;
D O I：
10.1016/j.fuproc.2014.12.033
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Two industrial coal blends (B1 and B2) used in cokemaking were selected for this study. Two wastes from scrap tyres (TC, F) were added to these coal blends at different ratios (98:2 and 95:5). The investigation was focused on assessing the influence of the additives on thermoplastic properties of coal by means of the Gieseler fluidity test and thermogravimetric analysis. In addition, the blends were carbonized in a 17 kg electrically heated movable wall oven in order to examine the quality of the resultant cokes. Quality of the cokes produced was evaluated by measuring their cold mechanical strength, reactivity and post-reaction strength. It was found that ash composition of the additives contribute to a deterioration in coke quality. Moreover, F causes a greater decrease in coke strength after reaction with CO2 due to the diminution of bulk density in the coking process and to the higher basicity index. Trace elements were also studied in relation to waste addition. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：173 / 179
页数：7
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