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Controls on 226Ra during raffinate neutralization at the Key Lake uranium mill, Saskatchewan, Canada
Autor:
M.J. Hendry, D.J. Liu
Publikováno v:
Applied Geochemistry. 26:2113-2120
This study was conducted to define the geochemical controls on 226Ra during raffinate (pH = 1.2) neutralization to pH 10 at the Key Lake U mill in northern Saskatchewan, Canada. High activities (120–150 Bq/L) of aqueous phase 226Ra are present in r
Publikováno v:
Canadian Geotechnical Journal. 48:810-825
Water is a primary control on the generation of acidic (H2SO4) effluent from commercial-scale sulphur (S0) blocks. Although clean S0 is strongly hydrophobic, microbial colonization of fracture faces and friable S0 generates localized hydrophilic cond
Akademický článek
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Autor:
R. Donahue, M.J. Hendry
Publikováno v:
Applied Geochemistry. 18:1733-1750
The Rabbit Lake U mine in-pit tailings management facility (TMF) (425 m long×300 m wide×91 m deep) is located in northern Saskatchewan, Canada. The objectives of this study were to quantify the distribution of As phases in the tailings and evaluate
Publikováno v:
Applied Geochemistry. 16:1215-1230
Oxidation rates of low sulphide (< 0.5 wt.%) gneissic waste rock from the Cluff lake U mine, northern Saskatchewan, Canada were determined using 3 independent methods: O 2 consumption rates in kinetic cells, SO 4 measurements of kinetic cell effluent
Publikováno v:
Applied Geochemistry. 15:1097-1119
The Rabbit Lake U mine in-pit tailings management facility (TMF) is located in northern Saskatchewan, Canada. The tailings body is approximately 425 m long×300 m wide and 91 m thick at its centre. An investigation of the TMF was performed to collect
Autor:
M.J. Hendry, J.R. Lawrence
Publikováno v:
Water Quality Research Journal. 30:493-512
This article provides an overview of mesocosm research applied to investigations of subsurface processes. The nature of mesocosms and the mesocosm concept are defined and discussed as are the advantages and disadvantages of these systems. In general,
Publikováno v:
Journal of Contaminant Hydrology. 19:69-83
A 3.6-m-thick unsaturated zone was constructed in a mesoscale model (2.4-m diameter by 4.6 m high, 65 tonnes) consisting of A, B and C profiles. The model was designed to be a homogeneous isotropic system. Assuming piston flow the estimated transit t