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Kinetic Testing 2. Scaling Up Laboratory Data to Predict Field Rates of Weathering
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Citation (Style = APA)
Frostad, Scott ; Klein, Bern ; Lawrence, Richard W. (2000). Kinetic Testing 2. Scaling Up Laboratory Data to Predict Field Rates of Weathering.
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Reference Manager (RIS)
SpreadSheed (CSV)
Frostad, Scott ; Klein, Bern ; Lawrence, Richard W. (2000). Kinetic Testing 2. Scaling Up Laboratory Data to Predict Field Rates of Weathering.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 10
Publication Date:
Jan 1, 2000
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Abstract
Abstract
| Laboratory and field scale kinetic testing was conducted to evaluate scaling up of laboratory data. Two 20- tonne (field) cells were monitored for internal temperature, pH, conductivity, volume and rate of flow, and water quality. On a surface are. basis, results showed sulfide oxidation rates obtained using 50-kg cells are more sensitive to changes in aeration than those from 1-kg cells. Correcting the laboratory oxidation rates for field temperatures with a pH 7 activation energy, which is in the field drainage pH range, returned oxidation rates an order of magnitude lower than the field cell rates. |
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