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Journal of the Southern African Institute of Mining and Metallurgy

versão On-line ISSN 2411-9717
versão impressa ISSN 0038-223X

Resumo

VAN DER MEER, F.P.  e  MAPHOSA, W.. High pressure grinding moving ahead in copper, iron, and gold processing. J. S. Afr. Inst. Min. Metall. [online]. 2012, vol.112, n.7, pp.637-647. ISSN 2411-9717.

High pressure grinding roll (HPGR) technology is used in an increasingly diverse range of applications, predominantly iron ore , gold and diamonds. KHD Humboldt Wedag HPGRs are applied world-wide, and consistently prove to be well designed and reliable operating units, with their performance meeting the pre-set standards. This publication summarizes some of the features and experiences for recent applications in treatment of copper ore, coarse iron ore, and gold ore. Summary data of roll surface wear life and operating data are given, together with operational observations. In addition, effects of feed segregation and truncated feed are discussed, as well as the implications of a product recycle flow sheet.

Palavras-chave : HPGR; KHD; stud lining; HPGR grinding; partial product recycle; feed segregation; truncated feed.

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