| Records |
| Author |
Lin, C.; Lu, W.; Wu, Y. |
| Title |
Agricultural soils irrigated with acidic mine water: Acidity, heavy metals, and crop contamination |
Type |
Journal Article |
| Year |
2005 |
Publication |
Australian Journal of Soil Research |
Abbreviated Journal |
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| Volume |
43 |
Issue |
7 |
Pages |
819-826 |
Keywords  |
Contamination and remediation Irrigated agriculture Soil studies geographical abstracts: physical geography soils (71 5 14) international development abstracts: agriculture and rural development (74 1 8) ecological abstracts: terrestrial ecology (73 4 2) bioaccumulation irrigation agricultural soil acid mine drainage pH crop plant heavy metal China Far East Asia Eurasia |
| Abstract |
Agricultural soils irrigated with acidic mine water from the Guangdong Dabaoshan Mine, China, were investigated. The pH of the soils could be as low as 3.9. However, most of the mineral acids introduced into the soils by irrigation were transformed to insoluble forms through acid buffering processes and thus temporarily stored in the soils. Different heavy metals exhibited different fraction distribution patterns, with Zn and Cu being mainly associated with organic matter and Pb being primarily bound to oxides (statistically significant at P = 0.05). Although the mean of exchangeable Cd was greatest among the Cd fractions, there was no statistically significant difference between the exchangeable Cd and the oxide-bound Cd (the 2nd greatest fraction) or between the exchangeable Cd and the carbonate-bound Cd (the 3rd greatest fraction). It was also found that there were generally good relationships between the concentrations of various Zn, Cu, Pb, and Cd fractions and pH, suggesting that a major proportion of each heavy metal in the soils was mainly derived from the acidic irrigation water. The results also show that the crops grown in these soils were highly contaminated by heavy metals, particularly Cd. The concentration of Cd in the edible portions of most crops was far in excess of the limits set in China National Standards for Vegetables and Fruits and this can be attributable to the extremely high transfer rate of Cd from the soils to the crops under the cropping system adopted in the study area. < copyright > CSIRO 2005. |
| Address |
C. Lin, College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China cxlin@scau.edu.cn |
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| ISSN |
0004-9573 |
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| Notes |
Agricultural soils irrigated with acidic mine water: Acidity, heavy metals, and crop contamination; 2828050; Australia 29; Geobase |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17496 |
Serial |
314 |
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| Author |
Oster, A. |
| Title |
Relocating the Inde river – Post-mining design of a river meadow landscape. Verlegung des Flusses Inde – Bergbauliche Gestaltung einer Flussauenlandschaft |
Type |
Journal Article |
| Year |
2005 |
Publication |
World of Mining Surface & Underground |
Abbreviated Journal |
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| Volume |
57 |
Issue |
5 |
Pages |
346-351 |
| Keywords |
Fluss=Gewässer Verlegen Braunkohlenbergbau Tagebau Ökologie Umweltschutz Landschaftsgestaltung Wasserbau Flutung Deutschland Flussverlegung Wiedernutzbarmachung |
| Abstract |
Vor dem Hintergrund einer planmäßigen Tagebauentwicklung muss der das Gewinnungsfeld in Nord-Süd-Richtung durchquerende Fluss Inde Ende 2005 bergbaulich in Anspruch genommen werden. Als Ersatz wurde auf Grundlage des Planfeststellungsbeschlusses vom 10.09.1998 eine neue Inde auf einer Länge von rd. 12 km erstellt. Rund 10 km der neuen Inde liegt innerhalb des Tagebaufeldes. Hierzu musste eine Flusslandschaft angelegt werden. Im Gegensatz bisher anthropogen geprägten Inde, ist eine naturnahe und weiträumige Flusslandschaft vorgesehen. Die Gestaltung soll, in Verbindung mit den zahlreichen eingebrachten Landschaftselementen wie Flutmulden, Altarmansätzen und Kolke, eine artenreiche und ökologisch hochwertige Auenlandschaft ermöglichen. Die Flutung der neuen Inde erfolgt auf Grundlage eines dreiphasigen Gewässerumschlusskonzeptes. Im Anschluss an die Flutung soll ein Monitoring- Programm zur Dokumentation der hydrodynamischen, morphologischen und landschaftsökologischen Entwicklung der Indeflur durchgeführt werden. Against the background of the scheduled eastward development of the Inden opencast mine, the Inde river which runs there must make way for mining operations at the end of 2005. Prior to this, as a replacement for the riverbed, which is some 4.5 km long, a riverscape has had to be created as a bypass in the west, mainly within the scope of rehabilitation measures. The model built for this purpose based on historical records provides for a close-to-nature and spacious riverscape with hand- and soft-wood meadows, unlike the anthropogenically marked Inde of today, with a meandering mean water bed. This design, in conjunction with the many installed landscape elements, like flood hollows, creeks and potholes, aims at creating a diverse and ecologically high-quality meadow landscape. The main factors impacting the river's route were the opencast mine's geometry and progress, as well as the planned and existing utilization of the land surfaces outside the opencast field. Besides these constraints, there were stipulated vertical points due to hydraulic requirements. The Inde plains, taking account of the planned route, were created on the basis of a design template, which provides for a stable level, a sealing layer and a cultivatable meadow substrate layer. In addition, the meadow substrate layer protects the sealing layer from erosion thanks to its medium- and coarse-grained gravel content. The Inde was constructed in the opencast field within the scope of rehabilitation in spreader operations, meaning that it was possible to dump the material to be installed in line with the design template and given elevations. The flooding of the 'new' Inde was based on a three-phase waterway rerouting concept and provided for increasing discharge quantities. This enabled a bottom covering layer to be formed successively, and ailowed the aquatic fauna to gently adapt to the changed living conditions and further seed material to be flushed in. |
| Address |
Inden Opencast Mine, RWE Power, Eschweiler, DE |
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1613-2408 |
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Relocating the Inde river – Post-mining design of a river meadow landscape. Verlegung des Flusses Inde – Bergbauliche Gestaltung einer Flussauenlandschaft; 36448, BERG , 19.12.05; Words: 652; 200511 07020; 6 Seiten, 13 Bilder, 5 Quellen 3UX *Umweltbelastung, technik* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik*; BERG, Copyright FIZ Technik e.V.; EN Englisch |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17581 |
Serial |
275 |
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| Author |
Ayala, J.; Fernández, B. |
| Title |
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Type |
Book Whole |
| Year |
2005 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
649-654 |
| Keywords |
flying ash copper cyanide gold mine tailing ponds detoxification |
| Abstract |
The objective of this study was to examine the use of flying ash to remove the copper cyanide species from gold mine effluents. In order to discharge them safely with minimum impact to the environment the effluents must be treated in such a way that the legal conditions were attained with the lowest possible cost. This paper presents the treatment of cyanide solution originating from tailing ponds at the end of detoxification by direct contact with flying ash. |
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University of Oviedo |
Place of Publication |
Oviedo |
Editor |
Loredo, J.; Pendás, F. |
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Mine Water 2005 – Mine Closure |
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84-689-3415-1 |
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Adsorption of copper cyanide species from tailings pond on flying ash; 1; AMD ISI | Wolkersdorfer; FG 'aha' 4 Abb., 6 Tab. |
Approved |
no |
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CBU @ c.wolke @ 17296 |
Serial |
472 |
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| Author |
Holtzhausen, L. |
| Title |
Minewater treatment technology revved up |
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Journal Article |
| Year |
2005 |
Publication |
Water Sewage and Effluent |
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| Volume |
25 |
Issue |
2 |
Pages |
24-26 |
| Keywords |
Geobase: Related Topics geobase: related topics (901) water treatment |
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0257-8700 |
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| Notes |
Trade- Note; Minewater treatment technology revved up; 2710582; South-Africa; Geobase |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 10344 |
Serial |
348 |
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| Author |
Wingenfelder, U.; Hansen, C.; Furrer, G.; Schulin, R. |
| Title |
Removal of heavy metals from mine waters by natural zeolites |
Type |
Journal Article |
| Year |
2005 |
Publication |
Environ Sci Technol, ES & T |
Abbreviated Journal |
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| Volume |
39 |
Issue |
12 |
Pages |
4606-4613 |
| Keywords |
Groundwater problems and environmental effects Pollution and waste management non radioactive remediation heavy metal mine drainage acid mine drainage; acidification; Central Europe; chemical composition; chemical fractionation; dissolved materials; Europe; framework silicates; geochemistry; grain size; heavy metals; hydrochemistry; ion exchange; lead; metals; mines; mining; mobilization; models; pH; pollutants; pollution; precipitation; remediation; samples; silicates; spectra; Switzerland; toxic materials; X-ray diffraction data; X-ray fluorescence spectra; zeolite group |
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| Address |
G. Furrer, Institute of Terrestrial Ecology, Swiss Federal Institute of Technology, Zurich, Grabenstrasse 3, CH-8952 Schlieren, Switzerland gerhard.furrer@env.ethz.ch |
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0013-936x |
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Removal of heavy metals from mine waters by natural zeolites; 2006-086777; References: 42; illus. incl. 3 tables United States (USA); GeoRef; English |
Approved |
no |
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CBU @ c.wolke @ 5382 |
Serial |
71 |
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