Records |
Author |
Johnson, D.B.; Hallberg, K.B. |
Title |
Pitfalls of passive mine water treatment |
Type ![sorted by Type field, descending order (down)](img/sort_desc.gif) |
Journal Article |
Year |
2002 |
Publication |
Reviews in Environmental Science & Biotechnology |
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Volume |
1 |
Issue |
5 |
Pages |
335-343 |
Keywords |
acid mine drainage acidophilic microorganisms heavy metals iron oxidation iron reduction remediation sulfate reduction wetlands Wheal Jane |
Abstract |
Passive (wetland) treatment of waters draining abandoned and derelict mine sites has a number of detrac-tions. Detailed knowledge of many of the fundamental processes that dictate the performance and longevity of constructed systems is currently very limited and therefore more research effort is needed before passive treatment becomes an “off-the-shelf” technology. |
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1569-1705 |
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Dec.; Pitfalls of passive mine water treatment; 2; FG als Datei vorhanden 4 Abb., 1 Tab.; VORHANDEN | AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 10138 |
Serial |
336 |
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Author |
Jarvis, A.P.; Younger, P.L. |
Title |
Design, construction and performance of a full-scare compost wetland for mine-spoil drainage treatment at quaking houses |
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Journal Article |
Year |
1999 |
Publication |
Jciwem |
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Volume |
13 |
Issue |
5 |
Pages |
313-318 |
Keywords |
Wetlands and estuaries geographical abstracts: physical geography hydrology (71 6 8) composting constructed wetland design performance assessment United Kingdom EnglandCounty Durham |
Abstract |
Acidic spoil-heap drainage, containing elevated concentrations of iron, aluminium and manganese, has been polluting the Stanley Burn in County Durham for nearly two decades. Following the success of a pilot-scale wetland (the first application of its kind in Europe), a full-scale wetland was installed. Waste manures and composts have been used as the main substrate which is contained within embankments constructed from compacted pulverized fuel ash. The constructed wetland, which cost less than £20,000 to build, has consistently reduced iron and aluminium concentrations and has markedly lowered the acidity of the drainage. A third phase of activities at the site aims to identify and eliminate pollutant-release 'hot spots' within the spoil. |
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0951-7359 |
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Design, construction and performance of a full-scare compost wetland for mine-spoil drainage treatment at quaking houses; 2227678; United-Kingdom 9; Geobase |
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CBU @ c.wolke @ 17546 |
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339 |
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Author |
Demin, O.A.; Dudeney, A.W.L.; Tarasova, I.I. |
Title |
Remediation of Ammonia-rich Minewater in Constructed Wetlands |
Type ![sorted by Type field, descending order (down)](img/sort_desc.gif) |
Journal Article |
Year |
2002 |
Publication |
Environ. Technol. |
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Volume |
23 |
Issue |
5 |
Pages |
497-514 |
Keywords |
constructed wetlands reed beds ammonia removal nitrification woolley colliery horizontal subsurface flow nitrate removal waste-water denitrification nitrification |
Abstract |
A three-year study of ammonia removal from minewater was carried out employing constructed wetland systems (surface flow wetland and subsurface flow wetland cells) at the former Woolley Mine in West Yorkshire, UK The 1.4 Ha surface flow wetland (constructed in 1995) reduced the ammonia concentration from 3.5 – 4.5 mg l(-1) to < 2 3 mg V during the first half of the study and to essentially zero in the last year (2000 – 2001). About 25 % of contained ammonia was converted to nitrate, about 10 % was consumed by the plants and up to 30 % was converted to nitrogen gas. This maturation effect was attributed to increased depth of sludge from sedimentation of ochre, providing increased surface area for immobilisation of ammonia oxidising bacteria. The surface flow wetland finally removed 23 g m(-2) day(-1) ammonia in comparison with 3.8 g m(-2) day' for the subsurface flow (pea gravel) wetland cells, constructed for the present work and dosed with ammonium salts. Removal of ammonia by both systems was consistent with well-established mechanisms of nitrification and denitrification. It was also consistent with ammonia removal in wastewater wetland systems, although the greater aeration in the minewater systems obviated the need for special aeration cycles. The general role of wetland plants in such aerated conditions was attributed to maintaining hydraulic conditions (such as hydraulic efficiency and hydraulic resistance of substratum in subsurface flow systems) in the wetlands and providing a suspended solids filter for minewater. |
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0959-3330 |
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Remediation of Ammonia-rich Minewater in Constructed Wetlands; Isi:000176238900002; AMD ISI | Wolkersdorfer |
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no |
Call Number |
CBU @ c.wolke @ 17328 |
Serial |
405 |
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Author |
Brooks, R.P.; Unz, R.F.; Davis, L.K.; Tarutis, W.J.; Yanchunas, J. |
Title |
Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands |
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Journal Article |
Year |
1990 |
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Pages |
147 |
Keywords |
Acid mine drainage Wetlands Biological treatment Iron removal Manganese removal |
Abstract |
A promising low-technology solution for treating acidic mine drainage (AMD) emanating from coal mined lands involves the use of constructed wetlands.^The research was directed at addressing questions about retention mechanisms for the long-term storage of iron and manganese in constructed wetlands dominated by broad-leaved cattails (Typha latifolia).^Three sites in central Pennsylvania spanning the range of water chemistry parameters found in AMD were investigated.^When the AMD was circumneutral, and metal loadings were low, 79% of the iron, and 48% of the manganese were retained on average.^In the highly acidic site (pH approx.^= 3), < 10% of the metal loadings were retained.^The primary retention mechanism appears to be the formation of metal oxides in the aerobic zones of the sediments.^Although most microbial isolates extracted from sediment cores originated in the aerobic portions of the sediments, there was no evidence that they were transforming metals.^When AMD is circumneutral and metal loadings are low, constructed wetlands can be an effective approach to treating mine drainage.^At sites with highly acidic waters and high metal loadings, the use of constructed wetlands to treat AMD may be ineffectual, and should be implemented with caution. |
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Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands; Springfield, Va. : NTIS; Opac |
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CBU @ c.wolke @ 7082 |
Serial |
435 |
Permanent link to this record |
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Author |
Banks, S.B. |
Title |
The Coal Authority Minewater Treatment Programme: An update on the performance of operational schemes |
Type ![sorted by Type field, descending order (down)](img/sort_desc.gif) |
Journal Article |
Year |
2003 |
Publication |
Land Contam. Reclam. |
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Volume |
11 |
Issue |
2 |
Pages |
161-164 |
Keywords |
Wetlands and estuaries Groundwater problems and environmental effects Pollution and waste management non radioactive geographical abstracts: physical geography hydrology (71 6 8) geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) constructed wetland mine drainage water treatment pollutant removal United Kingdom |
Abstract |
The performance of mine water treatment schemes, operated under the Coal Authority's national Minewater Treatment Programme, is summarised. Most schemes for which data are available perform successfully and remove over 90% iron. Mean area-adjusted iron removal rates for reedbed components of treatment schemes, range from 1.5 to 5.5 g Fe/m2, with percentage iron removal rates ranging from 68% to 99%. In the majority of cases, calculated area-adjusted removal rates are limited by influent iron loadings, and the empirical sizing criterion for aerobic wetlands, based on American removal rates of 10 g Fe/m2day, remains a valuable tool in the initial stages of treatment system design and estimation of land area requirements. Where a number of schemes have required modification after becoming operational, due consideration must always be given to the potential for dramatic increases in influent iron loadings, and to how the balance between performance efficiency and aesthetic appearance can best be achieved. Continual review and feedback on the performance of treatment systems, and the problems encountered during design implementation, will enhance the efficiency and effectiveness of the Minewater Treatment Programme within the UK. |
Address |
S.B. Banks, Scott Wilson Kirkpatrick/Co. Ltd., Rose Hill West, Chesterfield S40 1JF, United Kingdom |
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0967-0513 |
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The Coal Authority Minewater Treatment Programme: An update on the performance of operational schemes; 2530421; United-Kingdom 4; Geobase |
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CBU @ c.wolke @ 17519 |
Serial |
467 |
Permanent link to this record |