Gravity Separation Technology for Oil Sands

Gravity Separation Technology for Oil Sands

By Steve Fiscor, Editor-in-Chief

This year, the synthetic crude producers in Alberta predict that they will average 721,000 barrels per day, which amounts to mining 1.4 million tons per day of oil sands. This figure is expected to double in the next 10 to 15 years.

Moving that amount of material requires skill, technology and patience. Although the basic premise of the hot water process developed by Dr. Karl A. Clark to separate the bitumen from the sand in a slurry has not changed, the individual pieces of equipment have improved and the capacity of the processing facilities has grown considerably.

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Metso Completes Large Kiln Repair Project for LKAB

Metso Completes Large Kiln Repair Project for LKAB

Kiruna, a remote region in the northernmost part of Sweden, is home to the iron ore pelletizing plant at Svappavaara, owned and operated by LKAB, a major producer of upgraded iron ore products for the steel industry and a growing supplier of industrial minerals products.

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Dewatering Reduces Costs at Angas

Dewatering Reduces Costs at Angas

Start-up at Terramin Australia Pty. Ltd.’s Angas mine in Australia has exceeded expectations thanks to higher than expected grades of zinc and lead ore. As a result, full rate production at the new lead-zinc mine was brought forward by six months to January 2009.   Aided by a lean start-up and lower consumable costs for grinding, milling reagents, diesel, as well as lower costs for smelting and shipping, the mine's site operating cash costs for 2009 have now been revised downwards, despite a weaker Australian dollar. The concentrator is using the latest peristaltic pumps and Ceramec filters from Larox for concentrate dewatering to produce filter cake ready for transport.

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Xstrata: Selling Formulae for Efficiency

Xstrata: Selling Formulae for Efficiency

The IsaMill has been a significant success for Brisbane, Australia-based Xstrata Technology (XT), most recently at Red Dog (see E&MJ, January/February 2009) and at Pan Australian’s Phu Kam copper-gold operation in Laos where an M10,000 mill rated at 3MW is using MT1 ceramic media. The smallest version, the M1000 with 500 kW power is in use at the Macraes gold operation in New Zealand.

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