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2003
Olson, G. J., Clark, T. R., Mudder, T. I., Logsdon, M.
Oxidation of pyrite and other metal sulfides is accelerated by the activity of acidophilic iron- and sulfur-oxidising microorganisms. The ideal biocide for controlling biocatalysed acid rock drainage (ARD) would be inexpensive, inhibitory toward sulfide-oxidising bacteria at low concentrations,...
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2003
Verburg, R., Johnson, B., Fordham, M., Logsdon, M.
The underground Neves Corvo copper-tin mine in southern Portugal currently disposes of its tailings in a ‘traditional’ wet tailings impoundment. With the development of new technologies for preparation and transport of thickened tailings or paste, alternative tailings disposal options have become...
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2003-01-01
Western Europe is a dynamic region, with an emerging co-operation between the individual nations both politically, economically, technically and scientifically. The European Union, today with 15 member States and with a range of central European States applying for membership, is a catalyst for...
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2003
Williams, D. J., Jeffrey, J., Gilbert, L., Wilson, G. W., Panidis, C., Perry, B.
Prior to the commencement of mining, the acid rock drainage (ARD) potential of the waste rock to be produced by an open cut mining operation is assessed by a variety of techniques carried out on drill-hole samples. These include, among others, acid base accounting (ABA), net acid generation (NAG)...
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2003-01-01
Porterfield, D. C., Miller, S., Waters, P.
BHPBilliton operates the Mt Whaleback Mine located in the semi-arid Pilbara Region of Western Australia. Approximately 200 Mt of net acid generating (NAG) material still remains to be mined. Acid Rock Drainage (ARD) was first identified at the site in 1995 following cyclonic storms. This resulted...
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2015-10-01
Paper towels are tissue paper products. There is an increasing demand and consumption of paper towel in domestic and industrial use due to its good absorbency properties. As a result, the demand for higher quality paper towels is increasing. Although, good quality is related to product...
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2003
Öhlander, B., Lindvall, M., Widerlund, A., Holmström, H., Carlsson, E., Peinerud, E. K., Corrége, O.
At the Kristineberg mine in northern Sweden sulfide-rich, poorly buffered tailings have been deposited in five impoundments located along a valley. The tailings area has been remediated by applying a combination of till cover and flooding. A new method that has been applied to parts of the...
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2017-10-01
Zaretzky, Jessica, Bide, Martin
Most textile items are expected to maintain their properties over time, and thus, exhibit durability. Durability extends to mechanical integrity, color, and additional properties conferred by textile finishes. The durability of color is routinely measured in colorfastness tests, many of which are...