Experimental characterization of the influence of tailings fineness and density on the quality of cemented paste backfill

被引：301

作者：

Fall, M ^{[1
]}

Benzaazoua, M ^{[1
]}

Ouellet, S ^{[1
]}

机构：

[1] UQAT, URSTM, Rouyn Noranda, PQ J9X 5E4, Canada

来源：

MINERALS ENGINEERING | 2005年 / 18卷 / 01期

关键词：

mining; tailings; hydrocyclones; particle size; wasteprocessing;

D O I：

10.1016/j.mineng.2004.05.012

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Mill tailing are one of the most important components of cemented paste backfill (CPB). However, there is still a lack of knowledge on the effect that tailings fineness and density has on the quality of paste backfill. Therefore, this paper presents the results of an experimental study done to evaluate the influence of the tailings particle size and density on the quality of CPB. The criteria examined of the paste backfill quality are: its mechanical strength (uniaxial compressible strength), economic performance (based on binder cost), water demand (pulp density and water to cement ratio) for a given consistence and its microstructure (porosity and pore size distribution). The end results have shown that the tailings fineness and density significantly influence the properties of the hardened (strength, cost, microstructure) and fresh (water demand) paste backfill. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：41 / 44

页数：4

共 7 条

[1]

BELEM T, 2001, P TAIL MIN WAST 01 B

[2]

BENZAAZOUA M, 2003, J MINER ENG UK, V172, P141

[3]

Fall M, 2003, TAILINGS AND MINE WASTE '03, P73

[4]

FALL M, 2004, INT S MINEFILL2004 B