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Author |
Lawrence, R. |
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Title |
Technology reduces sulphur compounds – A new way of treating acid mine drainage |
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Journal Article |
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Year |
2002 |
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Canadian Mining Journal |
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123 |
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7 |
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27-27 |
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mine water treatment |
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Technology reduces sulphur compounds – A new way of treating acid mine drainage; Wos:000179123100016; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 8075 |
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120 |
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Author |
Chung, I.J. |
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Title |
Immobilization of arsenic in tailing by using iron and hydrogen peroxide |
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Journal Article |
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Year |
2001 |
Publication |
Environ. Technol. |
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22 |
Issue |
7 |
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831-835 |
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mine water treatment |
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Under environmental conditions, arsenic (As) reveals anionic behavior and is converted into various forms in accordance with the Eh/pH condition. This causes the difficulty of treating As with other heavy metals in tailing. This study was carried out to develop the immobilization method of arsenic in tailing as ferric arsenate (FeAsO4) using hydrogen peroxide. According to experimental results, the extracted concentrations of arsenic and iron (Fe) from tailing were reduced up to 84% and 93%, respectively. In the experiment using pure Pyrite (FeS2) and As solution, As concentration decreased with an increase of hydrogen peroxide dosage. The experimental results of re-extraction showed that only 10% of As and 20% of Fe were extracted in the case of using hydrogen peroxide. As a result, the long-term stability of this method was clarified. |
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Immobilization of arsenic in tailing by using iron and hydrogen peroxide; Wos:000170195000008; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17046 |
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123 |
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Author |
Bell, A.V. |
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Title |
Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages |
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Year |
1975 |
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CIM Bull. |
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68 |
Issue |
764 |
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39-46 |
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mine water treatment |
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Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages; Wos:A1975az60400006; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 9249 |
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99 |
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Author |
Larsen, H.P. |
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Title |
Chemical Treatment Of Metal-Bearing Mine Drainage |
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Journal Article |
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1973 |
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J. Water Poll. Control Fed. |
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45 |
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8 |
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1682-1695 |
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mine water treatment |
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Chemical Treatment Of Metal-Bearing Mine Drainage; Wos:A1973q499100009; Times Cited: 12; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 9257 |
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100 |
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Author |
Bamforth, S.M. |
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Title |
Manganese removal from mine waters – investigating the occurrence and importance of manganese carbonates |
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Journal Article |
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2006 |
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Appl. Geochem. |
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21 |
Issue |
8 |
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1274-1287 |
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mine water treatment |
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Manganese is a common contaminant of mine water and other waste waters. Due to its high solubility over a wide pH range, it is notoriously difficult to remove from contaminated waters. Previous systems that effectively remove Mn from mine waters have involved oxidising the soluble Mn(II) species at an elevated pH using substrates such as limestone and dolomites. However it is currently unclear what effect the substrate type has upon abiotic Mn removal compared to biotic removal by in situ micro-organisms (biofilms). In order to investigate the relationship between substrate type, Mn precipitation and the biofilm community, net-alkaline Mn-contaminated mine water was treated in reactors containing one of the pure materials: dolomite, limestone, magnesite and quartzite. Mine water chemistry and Mn removal rates were monitored over a 3-month period in continuous-flow reactors. For all substrates except quartzite, Mn was removed from the mine water during this period, and Mn minerals precipitated in all cases. In addition, the plastic from which the reactor was made played a role in Mn removal. Manganese oxyhydroxides were formed in all the reactors; however, Mn carbonates (specifically kutnahorite) were only identified in the reactors containing quartzite and on the reactor plastic. Magnesium-rich calcites were identified in the dolomite and magnesite reactors, suggesting that the Mg from the substrate minerals may have inhibited Mn carbonate formation. Biofilm community development and composition on all the substrates was also monitored over the 3-month period using denaturing gradient gel electrophoresis (DGGE). The DGGE profiles in all reactors showed no change with time and no difference between substrate types, suggesting that any microbiological effects are independent of mineral substrate. The identification of Mn carbonates in these systems has important implications for the design of Mn treatment systems in that the provision of a carbonate-rich substrate may not be necessary for successful Mn precipitation. (c) 2006 Elsevier Ltd. All rights reserved. |
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Manganese removal from mine waters – investigating the occurrence and importance of manganese carbonates; Wos:000240297600004; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 16916 |
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107 |
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