Population balance based modelling of nickel laterite agglomeration behaviour

被引：9

作者：

Liu, L. X. ^{[1
]}

Robinson, D. J. ^{[2
]}

Addai-Mensah, J. ^{[3
]}

机构：

[1] Univ Queensland, Sch Chem Engn, Brisbane, Qld 4072, Australia

[2] CSIRO Proc Sci & Engn & Minerals Natl Res Flagshi, Karawara, WA 6152, Australia

[3] Univ S Australia, ARC Special Res Ctr, Ian Wark Res Inst, Adelaide, SA 5095, Australia

来源：

POWDER TECHNOLOGY | 2012年 / 223卷

关键词：

Agglomeration; Nickel laterite; Coalescence kernel; Agglomerate size distribution; HIGH-SHEAR GRANULATION; PARAMETER-ESTIMATION; NUCLEATION; AGGREGATION; COALESCENCE; BREAKAGE; GRANULES; SYSTEMS; GROWTH; BINDER;

D O I：

10.1016/j.powtec.2011.06.020

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Agglomeration of fine mineral particles as a precursor to heap leaching is an important means of enhancing leaching rates and metal recoveries, particularly in processing low grade ores. In this paper, the modelling of a batch drum agglomeration process applied to nickel laterite using population balance model is explored. The coalescence kernels which are linked to feed material and agglomerator operating conditions are reviewed. The use of a physically based coalescence kernel which relates agglomerate layer thickness to binder content and agglomerate consolidation shows great promise for the modelling of the agglomerate size distribution of nickel laterite ore. The model parameters were then used to predict the effect of operating parameters such as binder content on agglomerate size distribution. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：92 / 97

页数：6

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