| |
Records |
Links |
|
Author |
Ntengwe, F.W. |
|
| |
Title |
An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia |
Type |
Journal Article |
| |
Year |
2005 |
Publication |
Phys. Chem. Earth |
Abbreviated Journal |
|
|
| |
Volume |
30 |
Issue  |
11-16 Spec. Iss. |
Pages |
726-734 |
|
| |
Keywords |
mine water treatment Groundwater problems and environmental effects Pollution and waste management non radioactive geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) wastewater pollution control acid mine drainage Hyacinthus Zambia Southern Africa Sub Saharan Africa Africa Eastern Hemisphere World |
|
| |
Abstract |
The wastewaters coming from mining operations usually have low pH (acidic) values and high levels of metal pollutants depending on the type of metals being extracted. If unchecked, the acidity and metals will have an impact on the surface water. The organisms and plants can adversely be affected and this renders both surface and underground water unsuitable for use by the communities. The installation of a treatment plant that can handle the wastewaters so that pH and levels of pollutants are reduced to acceptable levels provides a solution to the prevention of polluting surface and underground waters and damage to ecosystems both in water and surrounding soils. The samples were collected at five points and analyzed for acidity, total suspended solids, and metals. It was found that the pH fluctuated between pH 2 when neutralization was forgotten and pH 11 when neutralization took place. The levels of metals that could cause impacts to the water ecosystem were found to be high when the pH was low. High levels of metals interfere with multiplication of microorganisms, which help in the natural purification of water in stream and river bodies. The fish and hyacinth placed in water at the two extremes of pH 2 and pH 11 could not survive indicating that wastewaters from mining areas should be adequately treated and neutralized to pH range 6-9 if life in natural waters is to be sustained. < copyright > 2005 Elsevier Ltd. All rights reserved. |
|
| |
Address |
F.W. Ntengwe, Copperbelt University, School of Technology, P.O. Box 21692, Kitwe, Zambia fntengwe@cbu.ac.zm |
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Summary Language |
|
Original Title |
|
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1474-7065 |
ISBN |
|
Medium |
|
|
| |
Area |
|
Expedition |
|
Conference |
|
|
| |
Notes |
Review; An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies – The case of Nkana Mine in Zambia; 2790318; United-Kingdom 23; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10301.pdf; Geobase |
Approved |
no |
|
| |
Call Number |
CBU @ c.wolke @ 17497 |
Serial |
24 |
|
| Permanent link to this record |
| |
|
| |
|
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 |
|
|
| |
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 |
|
| |
Abstract |
|
|
| |
Address |
G. Furrer, Institute of Terrestrial Ecology, Swiss Federal Institute of Technology, Zurich, Grabenstrasse 3, CH-8952 Schlieren, Switzerland gerhard.furrer@env.ethz.ch |
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Summary Language |
|
Original Title |
|
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0013-936x |
ISBN |
|
Medium |
|
|
| |
Area |
|
Expedition |
|
Conference |
|
|
| |
Notes |
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 |
|
| |
Call Number |
CBU @ c.wolke @ 5382 |
Serial |
71 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Fischer, R.; Luckner, L.; Peukert, D.; Reißig, H.; Roßbach, B. |
|
| |
Title |
Einsatz alkalischer Substanzen zur Verbesserung der Wasserqualität in Bergbaukippen. Use of alcine substances for the improvement of water quality in mining areas |
Type |
Journal Article |
| |
Year |
2002 |
Publication |
Das Gas und Wasserfach. Ausgabe Wasser, Abwasser |
Abbreviated Journal |
|
|
| |
Volume |
143 |
Issue |
12 |
Pages |
891-898 |
|
| |
Keywords |
Abraum Braunkohlenbergbau Pyrit Eisensulfid Sulfidmineral Verwitterung Gewässerschutz Schadstoffbelastung Schwermetalle Sulfat pH-Wert Abwasserbehandlung Enteisenung alkalischer-Abbau chemischer-Abbau Alkalisierung Zusatzstoff Kalk Dolomit Flugasche Umweltbelastung Grundwasser Gewässergüte Eisendisulfitverwitterung Pyritverwitterung Bergbauabwasser Bergbauwasser Sulfatbelastung Undergrundwasserbehandlung alkalischer Stoff alkalische Substanz |
|
| |
Abstract |
Eisendisulfidminerale im Abraum von Braunkohlentagebauen können nach ihrer Verwitterung im wiederaufsteigenden Grundwasser erhebliche Güteverschlechterungen hinsichtlich pH-Wert, Schwermetall- und Sulfatgehalt verursachen. Diesen kann durch Zusätze alkalischer Substanzen zum Abraum wie Kalkstein, Dolomit und Kraftwerksasche bzw. Gemischen dieser Stoffe entgegengewirkt werden. Die Ergebnisse entsprechender Untersuchungen sowie die naturwissenschaftlichen Grundlagen der Eisendisulfidverwitterung werden im Beitrag dargestellt und ein Anwendungsbeispiel beschrieben. Grundlagen zur Berechnung der einzusetzenden Kalk- oder Aschemengen (bzw. Gemische der beiden Substanzen) sind die Bestimmung der oxidierbaren Sulfidminerale in den einzelnen geologischen Schichten sowie die Bestimmung der Pufferkapazität der Asche bzw. des Kalksteins. Besonders Vorteilhaft ist der Einsatz alkalischer Substanzen dort, wo durch vorhandene hohe Pyrit- und Markasitkonzentrationen mit einer erheblichen Versauerung des Grundwassers gerechnet und dadurch eine potentielle Beeinträchtigung von Grundwassernutzern erwartet werden muss. Solche Bedingungen sind im Rheinischen Braunkohlerevier, insbesondere im Umfeld des Tagebaus Garzweiler II (RWE Rheinbraun AG) gegeben. Derzeit werden im Tagebau Garzweiler bereits 40000 t Kalkstein dem Abraum beigemischt. Auch für das Lausitzer Braunkohlenrevier könnte ein Einsatz alkalischer Substanzen in Betracht gezogen werden. |
|
| |
Address |
TU Dresden, DE; Sächsisches Oberbergamt, Dresden, DE; RWE Rheinbraun, Köln, DE; Ingenieurbüro für Wassergütefragen, Dresden, DE; Bundesanstalt für Wasserbau (BAW), Karlsruhe, DE |
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Summary Language |
|
Original Title |
|
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0016-3651 |
ISBN |
|
Medium |
|
|
| |
Area |
|
Expedition |
|
Conference |
|
|
| |
Notes |
Einsatz alkalischer Substanzen zur Verbesserung der Wasserqualität in Bergbaukippen. Use of alcine substances for the improvement of water quality in mining areas; 27888, BERG , 03.03.03; Words: 569; 200301 05520; 8 Seiten, 3 Bilder, 34 Quellen 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik* 3BX *chemische Grundlagen* 3PH *Trennen fest/flüssig/gasförm. Stoffe, dispers. Stoffsysteme*; BERG, Copyright FIZ Technik e.V.; DE Deutsch |
Approved |
no |
|
| |
Call Number |
CBU @ c.wolke @ 17587 |
Serial |
379 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Carlson, L.; Kumpulainen, S. |
|
| |
Title |
Retention of harmful elements by ochreous precipitates of iron |
Type |
Journal Article |
| |
Year |
2001 |
Publication |
Tutkimusraportti Geologian Tutkimuskeskus |
Abbreviated Journal |
|
|
| |
Volume |
- |
Issue |
154 |
Pages |
30-33 |
|
| |
Keywords |
Surface water quality Pollution and waste management non radioactive geographical abstracts: physical geography hydrology (71 6 9) geological abstracts: environmental geology (72 14 2) iron oxide precipitation chemistry sulfate arsenate heavy metal pH water pollution remediation |
|
| |
Abstract |
The capability of soil fines to fix harmful elements, e.g. heavy metals and arsenic, depends on specific surface area and other characteristics, such as surface charge. In the pH-range typical of natural waters (pH 5,5-7,5), the surfaces of fine-grained silicate particles and manganese oxides are negatively charged; consequently cations, such as heavy metals, fix effectively to them. The iron oxide surfaces are usually positively charged and typically fix anions, such as sulphate and arsenate. Retention of anions is especially extensive to precipitates formed from acid mine drainage (pH 2,5-5,0). For example, precipitates found at Paroistenjarvi mine, Finland, contain more than 70 g/kg of arsenic (dry matter). Adsorbed anions, e.g. sulphate, enhance the capacity of precipitate to fix heavy metal cations in low-pH environments. |
|
| |
Address |
L. Carlson, Tehtaankatu 25 A 4, Helsinki FIN-00150, Finland liisa.carlson@kolumbus.fi |
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Summary Language |
|
Original Title |
|
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0781-4240 |
ISBN |
|
Medium |
|
|
| |
Area |
|
Expedition |
|
Conference |
|
|
| |
Notes |
Retention of harmful elements by ochreous precipitates of iron; 2392974; Oksidiset rautasaostumat haitallisten aineiden pidattajina. Finland 7; Geobase |
Approved |
no |
|
| |
Call Number |
CBU @ c.wolke @ 17533 |
Serial |
421 |
|
| Permanent link to this record |
| |
|
| |
|
Author |
Goodman, G.T. |
|
| |
Title |
Ecology and the problems of rehabilitating wastes from mineral extraction |
Type |
Journal Article |
| |
Year |
1974 |
Publication |
Proceedings of the Royal Society of London, Series A Mathematical and Physical Sciences |
Abbreviated Journal |
|
|
| |
Volume |
339 |
Issue |
1618 |
Pages |
373-387 |
|
| |
Keywords |
minerals mining natural resources pollution waste disposal ecology mineral extraction visual ugliness health hazards safety hazards reclamation process development planning site purchase land clearance land forming stabilisation drainage revegetation rehabilitation of wastes Physics Manufacturing and Production |
|
| |
Abstract |
Environmental problems which may be associated with mineral extraction are: (a) the visual ugliness of open pits, waste tips, and working mess; (b) the nuisance of wind- and water-borne dusts; (c) the health hazards to wildlife, crops, livestock and man of locally increased environmental burdens of potentially toxic metals (e.g. Pb, Cd, As, Zn, Cu, Ni) derived from wind- and water-borne mine dusts and smelter smokes; (d) the safety hazards of surface subsidence and tip-slippage from deep-mining. All these disamenities can be cured or reduced by the reclamation process which involves a blend of socio-economic, legal, planning, civil engineering and biological expertise devoted to development planning, site purchase, land clearance, land forming, stabilization, drainage and revegetation of the affected site |
|
| |
Address |
|
|
| |
Corporate Author |
|
Thesis |
|
|
| |
Publisher |
|
Place of Publication |
|
Editor |
|
|
| |
Language |
|
Summary Language |
|
Original Title |
|
|
| |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0080-4630 |
ISBN |
|
Medium |
|
|
| |
Area |
|
Expedition |
|
Conference |
|
|
| |
Notes |
Ecology and the problems of rehabilitating wastes from mineral extraction; 669765; Conference Paper; Journal Paper; SilverPlatter; Ovid Technologies |
Approved |
no |
|
| |
Call Number |
CBU @ c.wolke @ 16789 |
Serial |
369 |
|
| Permanent link to this record |
