Screening machines, trough conveyors, chutes and other plant parts have always been the main sources of noise and dust in mining and mineral processing. According to an investigation carried out in...
At the end of 2008, after eight years in darkness, a huge monster was wriggling back to the surface bit by bit: the conveyor belt from the inclined shaft of the Prosper-Haniel mine. There the giant of...
1. Introduction
Cobalt is one of the metals of high economic and strategic importance, largely because of its wide range of applications and dwindling supplies. Several hydrometallurgical processes...
1. Introduction
Urea, due to its extremely pronounced capacity to absorb and fix water, is classified as highly hygroscopic. The product is an important nitrogen fertilizer, and is also used...
1. Introduction
Idlers play a key role in the cost-efficient operation of belt conveyors. The stresses on the idler in heavy-duty belt conveyors present a particular challenge with regard to idler...
1. Introduction
Kaolinite occurs in sub-µm size and white in colour and its chemical composition varies from 46.54 % SiO2 and 39.50 % Al2O3 with 13.96 % H2O. The kaolinite samples are known as...
1. Introduction
A wide range of liquid wastes are produced in nuclear industries and in all user industries of radioactive materials. The liquid radio-
active wastes generated at nuclear power plants...
1. Introduction
HeidelbergCement extracts worldwide approximately half a billion t of raw material annually for the production of building materials. Of this approximately 120 million t are used for...
1. Introduction
For the down stream processing of ore slurries the particle size distribution behind the milling and cyclone stage is of decisive importance. Slurries with excessively coarse particle...
ABB has held the second global Gearless Mill Drive (GMD) User Meeting (Fig. 1). The conference, a conjoint organizationbetween ABB Switzerland and ABB Peru, took place in Lima, Peru, from October 23rd...