Guidelines for sulfitic mineral processing practice

R.R. Moskalyk*

Nordic Metallurgical Consultants Inc., Sudbury, Ontario, P3E 5Y7 Canada

Received 28 January 2004; accepted 1 December 2004


By definition, comminution denotes the size reduction of any solid mass into smaller particles. The generic category includes a wide range of equipment consisting of crushing, grinding and pulverising unit operations in either a dry state or enhanced via an aqueous media. Although modern comminution techniques may be applied to a broad range of materials such as ores, coal, industrial minerals, and metallurgical slags, the paperís comments are mainly devoted to the treatment of sulfur-bearing materials. Milling operations are normally in tandem with crushing activities. Albeit that the global beneficiation sector goes unnoticed by the popularity of processes such as smelting and refining, the state-of-the-art in milling and supporting concentration operations plays an important role as the front end of a long list of activities from mine face through to finished product. The paper presents a practical guideline for plant managers and/or business people involved in the mineral processing of base metals such as Cu/Ni/Co and associated platinum group metals. Selected equipment manufacturers and appropriate references comprise a mini-handbook which outlines the areas of concern in business orientation. The principles outlined herein are applicable to any scale of plant operation worldwide. The text is suited to those without a predominantly mining or metallurgical background without endorsement of any particular existing supplier or producer.

Keywords: Comminution; Grinding; Liberation; Mineral processing; Sulfide ores

* Corresponding author
   E-mail : raymoskalyk@yahoo.ca