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首页> 外文期刊>Ecological engineering: The Journal of Ecotechnology >Carbamazepine removal in three pilot-scale hybrid wetlands planted with ornamental species
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Carbamazepine removal in three pilot-scale hybrid wetlands planted with ornamental species

机译：三个试验规模的杂交湿地拆除植物的装饰物种

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摘要

The aims of this one-year study, were to evaluate the removal of carbamazepine (CBZ) in three pilot scale two-stage hybrid constructed wetlands as well as to evaluate the performance of three emergent species (Thypha latifolia, Iris sibirica and Zantedeschia aethiopica) planted as a polyculture. The systems included horizontal subsurface flow wetlands (HSSF-CW), vertical subsurface flow wetlands (VSSF-CW) and stabilization ponds (SP). The three different configurations were: HSSF-CWs followed by SPs, HSSF-CWs followed by VSSF-CWs and VSSF-CWs followed by HSSF-CWs, which were identified as system I (SI), system II (SII) and system III (SIII) respectively. In addition, measurements of DO, Eh and pH, were taken in situ in order to know the internal system conditions. Out of the three hybrid systems, two were equally effective (SI and SII) and superior to SIB (p > 0.05). In these two systems (HSSF-CWs- SPs and HSSF-CWs-VSSF-CWs) the average mass removals were 62.5 +/- 4.5% and 59.0 +/- 4.5%, respectively. CBZ removal was more effective under reductive environment (similar to-60 to +50 mV) and near-anoxic conditions (<1.5 mg/L of DO). In addition, the two ornamental plants exhibited a better capacity to tolerate and take up CBZ in comparison to T. latifolia. These results demonstrate that it is possible to obtain higher CBZ removal efficiencies in CWs than those reported so far, under subtropical climate by using hybrid systems planted with a polyculture that include ornamental species and using a ground local filter material. (C) 2016 Elsevier B.V. All rights reserved.
机译：这项一年的研究的目的是评估三个试点规模的三阶段杂交构建湿地的胭脂动物（CBZ）的去除，以及评估三种新兴物种的性能（胸果拉脱紫草，虹膜Sibirica和Zantedeschia Aethiopica）种植作为一种多培养物。该系统包括水平地下流动湿地（HSSF-CW），垂直地下流湿地（VSSF-CW）和稳定池（SP）。三种不同的配置是：HSSF-CWS，后跟SPS，HSSF-CWS，后跟VSSF-CWS和VSSF-CWS，后跟HSSF-CWS，其被标识为System I（SI），System II（SII）和系统III（ SIII）分别。另外，待办事项，eh和pH的测量，以便知道内部系统条件。在三种混合系统中，两个同样有效（Si和SiI），优于SIB（P> 0.05）。在这两个系统中（HSSF-CWS-SPS和HSSF-CWS-VSSF-CW）分别为62.5 +/- 4.5％和59.0 +/- 4.5％。 CBZ去除在还原环境中更有效（类似于-60至+ 50 mV）和接近缺氧条件（<1.5mg / L的DO）。此外，与T. Latifolia相比，这两个观赏植物表现出更好的容忍和占用CBZ。这些结果表明，通过使用包括装饰物种和使用接地局部过滤材料的杂种系统，可以在亚热带气候下获得CWS中的高于亚热带气候的CWS的更高的CBZ去除效率。 （c）2016年Elsevier B.v.保留所有权利。

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