Coal recovery from coal fines cleaning wastes by agglomeration with vegetable oils:: effects of oil type and concentration

被引：70

作者：

Alonso, MI ^{[1
]}

Valdés, AF ^{[1
]}

Martínez-Tarazona, RM ^{[1
]}

Garcia, AB ^{[1
]}

机构：

[1] CSIC, Inst Nacl Carbon, E-33080 Oviedo, Spain

来源：

FUEL | 1999年 / 78卷 / 07期

关键词：

coal fines wastes; oil agglomeration; cleaning; vegetable oils;

D O I：

10.1016/S0016-2361(98)00218-X

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 [动力工程及工程热物理]; 0820 [石油与天然气工程];

摘要：

The aim of this work was to obtain high calorific value products from coal fines cleaning wastes by agglomeration with vegetable oils. These residues are mainly being disposed of in dumps, causing important economic and environmental problems. Three Spanish coal fines wastes from different coal cleaning plants were agglomerated with crude and refined sunflower and soybean oils over a wide range of oil concentrations. The response of these fines wastes to agglomeration with the oils, was evaluated by the percentages of coal matter recovery, ash rejection and efficiency index. Speaking in terms of products quality, the best results were attained at the lowest oil concentrations, especially when the refined ones were used. In these cases, the agglomeration with vegetable oils allowed the recovery from coal fines wastes of a ready to burn fine coal fuel. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：753 / 759

页数：7

共 22 条

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A LOW-WASTE PROCESS FOR THE PRODUCTION OF BIODIESEL [J].