W ith the new SENNEBOGEN 640 HD of the current
E-series, Hans Wolf GmbH & Co KG of Straubing/Germany has been successfully using a new 40 t duty cycle crawler crane equipped with a dragline...
Resource efficiency targets were in the centre of attention
at the EQAR Congress “Construction Material Recycling in Europe” held on May 8, 2015 in the Dutch Rotterdam (Fig. 1). Josefina...
The annual Berlin Recycling and Commodity Conference (BR&RK) has for eight years now occupied one of the leading places in the ranks of the many symposia and conferences which have, for a number of...
CDE announced the launch of the new Infinity screening range to the global market earlier this year after securing a global patent for the new construction of the screen side walls. Lead designer on...
In the Norwegian port of Narvik, Swedish mining company LKAB employs a huge loading station to load bulk carriers with iron ore. Any shutdown of the station is enormously costly. Because, in this instance, time really is money, experts from the SKF Soluti
W eighing a total of 2500 tonnes, the gigantic loader in the
port of Narvik ensures that iron ore from the LKAB mines in Kiruna, Svappavaara and Malmberget finds its way into the entrails of the...
To meet the upcoming challenges posed by the Industrie 4.0 vision, Siemens is placing its trust in the Digital Enterprise. “For us, the Digital Enterprise has long since ceased to be just a...
Production facilities and components of Industry 4.0 are linked to the Internet, networked with each other, and thus open to attack. At this year’s Hannover Messe, the researchers from...
The Canadian Institute of Mining, Metallurgy and Petroleum (CIM) is honoured to be hosting the XXVIII International Mineral Processing Congress (IMPC) in Québec City, Québec/Canada. From 11 to...
5 Flotation of metal ores
Metal-bearing ores can be classified as follows for the purposes of flotation [29]:
“Class b” metal sulphides and “borderline” metals, in particular lead, zinc,...
1 Motivation
In times of generally rising energy costs, besides the costs for basic fuels, such as coal, oil and gas, the costs for secondary fuels, for example electric power, are also increasing....
