Uranium in the Aquatic Environment: Proceedings of the International Conference Uranium Mining and Hydrogeology III and the International Mine Water Association Symposium Freiberg, Germany, 15-21 September 2002

Front Matter....Pages I-XXI
Dose Limits and Maximum Concentration Limits (MCL’s) for Radionuclides - Implication on Remediation of Uranium Mining and Milling Facilities in Saxony, Germany....Pages 1-7
Remediation oriented use of conceptual site models at WISMUT GmbH: Rehabilitation of the Trünzig tailings management area....Pages 9-24
Deep mine hydrogeology after closure: insights from the UK....Pages 25-40
Strategy Concept Elbe....Pages 41-47
Environmental hydrogeology of in situ leach uranium mining in Australia....Pages 49-58
Reliance on existing wetlands for pollution control around the Witwatersrand gold/uranium mines of South Africa - Are they sufficient?....Pages 59-64
Radon, water and abandoned metalliferous mines in the UK: Environmental and Human Health implications....Pages 65-76
Physico-chemical surface water conditions of catchments with metallogenic origin: A contribution to the establishment of the EC Water Framework Directive 2000/60/EG in Germany....Pages 77-84
Radionuclides in underground water in an area contaminated with uranium mill waste....Pages 85-92
Impact of Uranium Mining and Processing on the Environment of Mountainous areas of Kyrgyzstan....Pages 93-98
Uranium content in ground water in Stara Planina Triassic sediments....Pages 99-106
Contaminant transport from proposed Jabiluka mine uranium tailings paste repositories - 10 000 year dispersion and dilution analysis....Pages 107-114
Natural Uranium Fluxes and their Use in Repository Safety Assessment....Pages 115-126
Long Term Safety of the Asse Salt Mine....Pages 127-132
Risk Assessment for Underground Disposal of Radioactive Wastes in Clay Strata....Pages 133-138
Uranium Migration in Argillaceous Sediments as Analogue for Transport Processes in the Far Field of Repositories (Heselbach Site, Germany)....Pages 139-146
Translating natural concentrations and fluxes into safety indicators for radioactive waste repositories....Pages 147-154
Evaluation of the long-term durability of engineered dry covers for mining wastes, and consideration of associated design constraints....Pages 155-164
Hydrology of Engineered Covers of Waste Rock Dumps towards Heavy Rainfall Phenomena: A Case Study in Uranium Mill Tailings Mitigation....Pages 165-172
Hard pan formation on mining residuals....Pages 173-182
Supercritical Carbon Dioxide Fluid Leaching (SFL) of Uranium from Solid Wastes Using HNO3-tributylphosphate (TBP) Complex as a Reactant....Pages 183-187
Release behaviour of radionuclides from contaminated concrete materials....Pages 189-196
Solubility of an uranium(IV) amorphous phase under geochemical conditions representative for the direct disposal of spent nuclear fuel in Boom Clay....Pages 197-206
Uranium migration in argillaceous sediments as analogue for transport processes in the far field of repositories (Ruprechtov site, Czech Republic)....Pages 207-216
Groundwater flow systems and the export of uranium from nuclear waste repositories to the biosphere....Pages 217-226
Natural U occurrences as a palaeo-hydrogeological indicator — observations from the Palmottu natural analogue site, Finland....Pages 227-236
Calculation of radioactive field in nuclear accident contaminated area from data acquired in aerial survey....Pages 237-246
Experimental large diameter well in the clays for radioactive waste Repository....Pages 247-254
Redox processes in uranium deposits — Lessons from Natural Analogue Studies....Pages 255-262
Flooding of the Königstein uranium mine — Aquifer reactivity versus dilution....Pages 263-272
Numerical simulation of uranium transport in flooded underground mines....Pages 273-282
Stream pollution by adjacent tailing deposits and fluvial transport of dissolved uranium - dynamics and mechanisms investigated in mining areas of Germany, Southern Africa and Australia....Pages 283-292
Mobilities of uranium species in sedimentary interbed from the Snake River Plain....Pages 293-302
A 3-D numerical modeling of reactive transport of U(VI) in shallow groundwaters: a case study at a uranium mill tailing site in southern China....Pages 303-310
Flooding of the deep uranium mine Hamr I by free water from tailings pond....Pages 311-318
Application of numerical simulation system on Turonian aquifer remediation control....Pages 319-326
Factors controlling migration and concentration of natural and technogenic radionuclides in bottom sediments of the Eastern Gulf of Finland, Baltic Sea....Pages 327-332
Geochemical processes related to uranium mobilisation on groundwaters in a restored uranium mine....Pages 333-342
Uncertainties in Chemical Calculations....Pages 343-350
The Role of Metrology and Statistics in Making Geochemical Modeling Defensible....Pages 351-358
The Influence of Geostatistical Data on the Reliability of the Meshless Method in Transport Modeling....Pages 359-368
Complex Formation of Uranium(IV) with Phosphate and Arsenate....Pages 369-376
Hyphenated techniques for speciation of Uranium and other actinides....Pages 377-384
Raman microspectrometric investigations of U02 alteration products: Natural analogues to alpha radiolysis effects....Pages 385-394
Sorption of Uranium(VI) onto Schwertmannite - EXAFS investigations....Pages 395-398
Colloid-borne Uranium in Mine Waters....Pages 399-406
Contaminant Release and Carbonate Availability of Sulphide-Bearing Waste Rock derived from Long-term Column Tests....Pages 407-416
Separation of Uranium from Aqueous Solution by Textile Bound Calixarenes....Pages 417-424
The Effect of Chlorite Dissolution on the Sorption Behavior of U(VI)....Pages 425-430
Major Factors of Processes Forming Uranium Ore in Exogenetic Epigenetic Deposits of the Chu-Sarysu Province (Southern Kazakhstan)....Pages 431-435
Microbially mediated reduction and immobilization of uranium in groundwater....Pages 437-446
Microbial Transformations of Uranium Complexed with Organic and Inorganic Ligands....Pages 447-454
Bacterial communities in uranium mining waste piles and their interaction with heavy metals....Pages 455-464
Phytoextraction for clean-up of low-level uranium contaminated soil evaluated....Pages 465-470
Long-term differences in transfer and accumulation of potentially toxic trace elements and radionuclides in trees on uranium mining dumps (Erzgebirge, Germany)....Pages 471-478
Uranium and thorium uptake on hydrophilic plants....Pages 479-488
Soil formation and quality on uranium mining dumps depending on different tree species under special consideration of selected radionuclide contamination....Pages 489-494
Ecosystem restoration incorporating minerotrophic ecology and Stoneworts that accumulate 226 Ra....Pages 495-504
Characterization of uranium (VI) complexes formed by different bacteria relevant to uranium mining waste piles....Pages 505-512
Uranium speciation in plants....Pages 513-520
Mobilization of hazardous metals by plants growing in soils from uranium mining....Pages 521-528
Mobility and plant availability of heavy metals in soils of uranium mining dumps....Pages 529-536
Complex Formation of Uranium(VI) with Glucose 1-Phosphate....Pages 537-540
Performance report on the operations of a pilot plant for the treatment of vanadium in ground water—New Rifle UMTRA Site, Rifle, Colorado, USA....Pages 541-552
Inter-disciplinary studies of the impact of gold and uranium mining in the Witwatersrand Goldfield....Pages 553-560
Removal of uranium and arsenic from groundwater using six different reactive materials: assessment of removal efficiency....Pages 561-568
Processes in passive mine water remediation with zero-valent iron and lignite as reactive materials....Pages 569-576
Mechanism of Uranium Fixation by Zero Valent Iron: The Importance of Co-precipitation....Pages 577-586
Ecological water treatment processes for underground uranium mine water: Progress after three years of operating a constructed wetland....Pages 587-596
Long-term Stability and Resilience of Passive Mine Water Treatment Facilities: A Joint Experimental and Simulation Approach....Pages 597-604
Retention of Radionuclides and Arsenic by Algae Downstream of U mining Tailings....Pages 605-614
Bacterial-based bioremediation of uranium mining waste waters by using sol-gel ceramics....Pages 615-622
Uranium attenuation from tailing waters by floating macrophyte Lemna gibba L.....Pages 623-630
Exploring the potential for natural attenuation to ground water cleanup goals at select former uranium mill tailings sites in the western United States....Pages 631-644
Changing standards and continuous improvement: A history of uranium mine rehabilitation in northern Australia....Pages 645-652
A New Approach to Water Management and Pollution Control at Rössing Uranium Mine....Pages 653-658
Application of a Dry Cover to Remediate the Acid Rock Drainage Generation in the Uranium Mining and Milling Site of Poços de Caldas - Brazil....Pages 659-666
Groundwater rebound compatible with the aquatic environment — technical solutions at WISMUT’s Ronneburg mine....Pages 667-676
Water protection by long-term efficient surface contouring and covering of uranium mining dumps and tailings ponds -results of ten years of research and develop....Pages 677-684
Delineation of contamination flows produced by acid mine drainage in a former uranium mining site (Ronneburg, Eastern Thuringia, Germany) by the use of rare earth elements as tracers....Pages 685-692
Using acid rock drainage (ARD) of an uranium mining dump as tracer in surface and groundwater: Case study at the Ronneburg uranium mining site....Pages 693-698
Environmental Impact of Uranium ISL in Northern Bohemia....Pages 699-708
Environmental Issues and Remedial Actions of the Abandoned Linchang Uranium Mine in China....Pages 709-718
Water balance and hydrogeological modeling in the case of the TPF Rozna/ Czech Republic....Pages 719-726
Rehabilitation of the Nabarlek uranium mine - Will close out ever be achieved?....Pages 727-736
Restoration status of the first abandoned uranium mine in Brazil....Pages 737-744
Flooding of the WISMUT mines - learning by doing or applying a comprehensive systematic approach ?....Pages 745-754
Flooding of the Königstein mine up to 80 m above sea level — Prediction and Reality....Pages 755-762
Uranium Removal from Flood Water at Königstein Mine....Pages 763-768
Characterisation of final mine flooding at the Schlema-Alberoda site of WISMUT GmbH with particular emphasis on flooding water quality evolution....Pages 769-774
Four years of flooding WISMUT’s Ronneburg uranium mine — a status report....Pages 775-784
Flood Water Treatment by Improved HDS Technology....Pages 785-792
Optimizing the remediation of the subsurface environment in the Stráž deposit....Pages 793-802
Uranium contamination of streams by tailings deposits — case studies in the Witwatersrand gold mining area (South Africa)....Pages 803-812
An IAEA Co-Ordinated Research Project (CRP) on Technologies and Methods for Long-Term Stabilization and Isolation of Uranium Mill Tailings....Pages 813-819
Mailuu-Suu Tailings problems and options for remediation....Pages 821-830
Uranium mill tailings in the Pine Creek Geosyncline, northern Australia : past, present and future hydrogeological impacts....Pages 831-840
Radioactive Contaminant Transport of Aue Mine Dump 371: A Hydrogeochemical and Isotopic Case Study....Pages 841-846
Distribution of heavy elements and radionuclides on small uranium mining dumps after decades of soil development....Pages 847-852
Natural attenuation in a wetland under unfavorable conditions - Uranium tailing Schneckenstein / Germany....Pages 853-860
Remediation of uranium milling site Lengenfeld/ Vogtland, needs and objectives....Pages 861-870
Hydrogeochemical characterisation of surface water, sorption of metal(loid)s on sediments and exchange processes within the wetland Lengenfeld / Germany....Pages 871-880
Environmental Risk Management at Uranium Tailings Ponds in Mailuu-Suu, Kyrgyzstan....Pages 881-888
The nature and extent of uranium contamination from tailings dams in the Witwatersrand gold mining area (South Africa)....Pages 889-898
Experience on application of continuous drain trench during the remediation of tailings ponds in Hungary....Pages 899-906
Methodology to assess the radiological impact of a repository for uranium mill tailings after remediation (short-term impact)....Pages 907-914
A radiation dose estimate for visitors of the South Alligator River valley, Australia, from remnants of uranium mining and milling activities....Pages 915-924
Infiltration to Groundwater at High Altitude....Pages 925-932
Reliability of rainfall intensity prediction method for mine dewatering design in tropical region....Pages 933-940
Chances and risks of the geothermal use of mine water in Schlema / Saxony....Pages 941-944
Regional Heat Flow: An Aid to Geothermal Exploration in Chattisgarh, India....Pages 945-950
Rare Earth Elements (REEs) as Natural Tracers in Mine Waters....Pages 951-958
Infiltration water dating from tritium measurements in mining dumps: methodic specifics and case study....Pages 959-966
Gamma-natural radiation field in Mesozoic rocks and in Uranium-bearing Phosphate Mineralization of the Ionian zone, Albania.....Pages 967-972
Gases released by water: impact on underground mines and on the surface....Pages 973-984
Some Experiences with Modelling Water Quality of Post-Mining-Lakes in East Germany....Pages 985-992
Natural processes caused by soil resaturation in the Patnow open-pit cone of depression....Pages 993-1001
Operational and treatment performance of an unique Reducing and Alkalinity Producing System (RAPS) for acidic leachate remediation in Lancashire, UK.....Pages 1003-1010
Mine Water Recovery in the Coal Mining District of Aachen - Impacts and Measures to Control Potential Risks....Pages 1011-1020
Flooding and Post-flooding Scenarios -Dynamics and Geochemistry....Pages 1021-1028
Groundwater contamination in the area of Zn-Pb ore mines situated in the southern part of the Olkusz-Zawiercie Triassic aquifer (Poland)....Pages 1029-1036
Arsenic contamination of natural origin in stream sediments of Lake Mulargia Reservoir, Southern Sardinia....Pages 1037-1045
Arsenic Rich Waste Rock Disposal under Subaqueous and Anoxic Conditions....Pages 1047-1056
Mobilisation of trace elements from an epithermal high sulphidation mineralization in the sediments of Sa Forada artificial lake. South-Sardinia, Italy....Pages 1057-1064
Impact of ore deposits and anthropogenic activities on local hydrochemistry at “Silberberg”, S-Germany....Pages 1065-1074
Quantitative analysis of supply from anthropogenic sources to mine workings of closed zinc-lead ore mines in the Bytom Trough (southern Poland)....Pages 1075-1082
Influence of chemical reactions on the flow system and contaminant transport in a former salt mine....Pages 1083-1092
Environmental control made in fifty three opencast mines of the Basque country: attention to acoustic and water contamination.....Pages 1093-1100
Investigations into seepage water acidification of a tailing dam of the tin ore processing....Pages 1101-1108
Back Matter....Pages 1109-1112