Boosting Recoveries at African Mines

Engineered to improve classification and separation in arduous applications, Weir Minerals’ Cavex classification hydrocyclones have added value to two more African mines; one is a gold mining operation and the other mines fluorspar. Following the retrofitting of two Cavex 700CVX13 hydrocyclones, one of Ghana’s lowest-cost surface gold miners reported an almost 70% improvement in classification […]

A Game of Percentages

It is not uncommon to find multimillion Rand processing plants with enormous production potential being severely restricted by poorly specified or old-fashioned screening media. Mineral’s processing equipment supplier, ELB Equipment, in partnership with screen media manufacturer, Major Wire, has spent several years fixing screening problems at an almost endless array of processing plants. The company’s […]

Specific Liner Design

Emphasising that no two mill liner applications are identical, Sam Hearn of Multotec says that their DEM software results in very specific refinements in the liner design for each customer. A detailed understanding of the operating conditions of larger semi-autogenous grinding (SAG) mills is vital to ensure that the final solution delivers optimal results. “Our […]

Boosting Coal Plant Performance

Yoctolux Collieries in Mpumalanga has achieved improved yields and production throughput with the installation of a Cavex 500CVXT20 DM hydrocyclone from Weir Minerals Africa. Part of the Tala Group, the opencast coal mine was looking to improve the performance of its dense media separation (DMS) circuit in its Wash Plant 1. The existing 610mm cyclone, […]

Dump Reclamation

Rand-Air, a local provider of portable air, is involved in the reclamation of four historical mine dumps at the site of the former Zincor zinc refinery just to the south of Springs. The refinery was constructed from a former uranium plant belonging to the defunct Vogelstruisbult gold mine. These dumps include a high-hazard certified waste […]