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Wiessner, A.; Kuschk, P.; Buddhawong, S.; Stottmeister, U.; Mattusch, J.; Kästner, M. |
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Title |
Effectiveness of various small-scale constructed wetland designs for the removal of iron and zinc from acid mine drainage under field conditions |
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Journal Article |
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2006 |
Publication |
Engineering in Life Sciences |
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6 |
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6 |
Pages |
584-592 |
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Keywords |
Grubenentwässerung biologische-Abwasserreinigung Pflanze Zink Eisen Schwermetallentfernung Nassverfahren Grundwasserströmung Langzeitversuch Regen Prozesswirkungsgrad Reaktionsgeschwindigkeit Binsen Hydrokultur |
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Abstract |
A system of planted and implanted small-scale SSF (subsurface flow) and SF (surface flow) constructed wetlands together with HP (hydroponic systems) were installed to compare the removal efficiencies of Fe and Zn from AMD (acid mine drainage) under long-term field conditions. Maximum removal of 94 % – 97 % (116 mg/m(exp 2)/d – 142 mg/m(exp 2)/d) for Fe and 69 % – 77 % (6.2 mg/m(exp 2)/d – 7.9 mg/m(exp 2)/d) for Zn was calculated for the planted soil systems. The planted SSF was most sensitive to heavy rain fall. Short-term increases of the metal concentration in the outflows, short-term breakdowns of the Fe removal and continual long-term breakdowns of the Zn removal were observed. In contrast to Zn removal, all wetland types are applicable for Fe removal with maximum removal in the range of 60 % – 98 %. Most of the removed Fe and Zn was transformed and deposited inside the soil bed. The amount absorbed by the plants (0.03 % to 0.3 %) and gravel-associated soil beds (0.03 % to 1.7 %) of the total input were low for both metals. The response of the planted SSF to rainfall suggests a remobilisation of metals accumulated inside the rhizosphere and the importance of buffering effects of the surface water layers of SF systems. The importance of plants for metal removal was shown. |
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UFZ – Umweltforschungszentrum Leipzig-Halle, DE; King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, TH |
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1618-0240 |
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Effectiveness of various small-scale constructed wetland designs for the removal of iron and zinc from acid mine drainage under field conditions; 39931, BERG , 08.01.07; Words: 506; 200612 02721; 9 Seiten, 7 Bilder, 3 Tabellen, 36 Quellen 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3PZI *biologischer Abbau und Bioremediation*; BERG, Copyright FIZ Technik e.V.; EN Englisch |
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CBU @ c.wolke @ 17578 |
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211 |
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Author |
Wiessner, A. |
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Title |
The treatment of a deposited lignite pyrolysis wastewater by adsorption using activated carbon and activated coke |
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Journal Article |
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Year |
1998 |
Publication |
Colloids and Surfaces a-Physicochemical and Engineering Aspects |
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139 |
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1 |
Pages |
91-97 |
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Keywords |
mine water treatment |
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Abstract |
To study the functions of activated carbon and activated coke adsorption for the treatment of highly contaminated discolored industrial wastewater with a wide molecular size distribution of organic compounds, the deposited lignite pyrolysis wastewater from a filled open-cast coal mine was used for continuous and discontinuous experiments. |
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The treatment of a deposited lignite pyrolysis wastewater by adsorption using activated carbon and activated coke; Wos:000074411100012; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 17147 |
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133 |
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