Thermo-physical properties of selected hard rocks and their relation to microwave-assisted comminution

被引：241
|
作者：
Hartlieb, P. [1 ]
Toifl, M. [2 ]
Kuchar, F. [3 ]
Meisels, R. [3 ]
Antretter, T. [2 ]
机构：
[1] Univ Leoben, Chair Min Engn & Mineral Econ, Leoben, Austria
[2] Univ Leoben, Inst Mech, Leoben, Austria
[3] Univ Leoben, Inst Phys, Leoben, Austria
来源：
MINERALS ENGINEERING | 2016年 / 91卷
基金：
奥地利科学基金会;
关键词：
Microwave irradiation; Thermo-physical measurements; Rock heating and damage; Dielectric properties of rocks; REDUCTION; DAMAGE;
D O I：
10.1016/j.mineng.2015.11.008
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This paper deals with experimental studies regarding the thermo-physical properties of granite, sandstone and basalt in the temperature range of 25-1000 degrees C. It is shown how phase transitions (e.g. alpha-beta quartz phase transition) influence the texture and stability of these rock types. The results of these measurements and analyses are linked to microwave irradiation tests at 17.5 kW power. The measurements demonstrate the strong variation of effects depending on the, parameter rock/mineralogy showing possible applications in a mineral processing environment. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：34 / 41
页数：8
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