Seasonal Variability in Benzene Removal by Vertical-Flow Constructed Wetland Filters

Tang, Xianqiang; Eke, Paul Emeka; Scholz, Miklas; Huang, Suiliang

doi:10.1007/s11270-008-9974-7

Cited by 11 publications

(3 citation statements)

References 44 publications

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“…4b). This can be explained by the seasonal variations in water quality treatment performance of the wetland systems (Tang et al 2009; Sani et al 2013b; Scholz 2015). The overall mean concentrations from low to high were obtained in this order: filter 8 < filter 4 < filter 7 < filter 2 < filter 6.…”

Section: Resultsmentioning

confidence: 99%

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Assessment of diesel-contaminated domestic wastewater treated by constructed wetlands for irrigation of chillies grown in a greenhouse

Al-Isawi

Scholz

Al-Faraj

2016

Environ Sci Pollut Res

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In order to avoid environmental pollution and eliminate the need for using fertiliser, this study assessed for the first time the optimum performance of mature (in operation since 2011) vertical flow constructed wetlands in treating domestic wastewater (with and without hydrocarbon) and the subsequent recycling of the outflow to irrigate chillies (De Cayenne; Capsicum annuum (Linnaeus) Longum Group ‘De Cayenne’) grown in a greenhouse. Various variables were investigated to assess the treatment performance. Concerning chilli fruit numbers, findings showed that the highest fruit yields for all wetland filters were associated with those that received inflow wastewater with a high loading rate, reflecting the high nutrient availability in treated wastewater, which is of obvious importance for yield production. Findings also indicated that wetlands without hydrocarbon, small aggregate size, low contact time and low inflow loading rate provided high marketable yields (expressed in economic return). In comparison, chillies irrigated by filters with hydrocarbon contamination, small aggregate size, high contact time and high loading rate also resulted in high marketable yields of chillies, which pointed out the role of high contact time and high inflow load for better diesel degradation rates.Electronic supplementary materialThe online version of this article (doi:10.1007/s11356-016-7706-x) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

“…The relatively small size is justified considering that microbial treatment processes take place on a millimetre scale. Moreover, the use of small columns has been commonly reported in the peer-reviewed literature (Tang et al 2009; Sani et al 2013a, b; Al-Isawi et al 2015a, b; Almuktar et al 2015; Scholz 2010, 2015). …”

Section: Materials and Methodologiesmentioning

confidence: 99%

Assessment of diesel-contaminated domestic wastewater treated by constructed wetlands for irrigation of chillies grown in a greenhouse

Al-Isawi

Scholz

Al-Faraj

2016

Environ Sci Pollut Res

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“…Another group can comprise polycyclic aromatic hydrocarbons and olefins. This paper comprises the study on content of the above-mentioned first group of petroleum-derived pollutants in mixed rainwater and meltwater as a result of their elimination following pretreatment in coalescence separators [5][6][7]. In effect, such waters can be discharged, without any hesitation, to surface water without causing its eutrophication.…”

Section: Introductionmentioning

confidence: 99%

Examples for elimination of selected groups of petroleum-derived compounds from rainwater and meltwater

Janowska

Szymański

2014

Desalination and Water Treatment

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A B S T R A C TThis study shows examination results pertaining to the assessment of operation of coalescence separations installed on the way of flow of rainwater and meltwater to Słupia river. The study was performed within Słupia river water protection programme. Content of total suspension as well as concentrations of organic compounds from the BTEX and paraffin group were determined in samples taken from the inlet to and outlet from the separators. It appears from the study performed that in no case admissible content (> 15 mg/dm 3 ) of determined petroleum-derived substances had occurred in the samples of rainwater and meltwater and a high degree of elimination of those compounds, due to separators operation, was achieved. In 13 samples taken from the separator outlet, the admissible total suspension content was exceeded (above 100 mg/dm 3 ). Efficiency of all separators operation reflected in the elimination of total suspension amounted, on average, to 67.5%. The lowest total suspension elimination efficiency has been noted for separator No. 14 (40%).

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Clogging in horizontal subsurface flow constructed wetlands: influencing factors, research methods and remediation techniques

Matos

Sperling

Matos

2018

Rev Environ Sci Biotechnol

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Seasonal Variability in Benzene Removal by Vertical-Flow Constructed Wetland Filters

Abstract: A long-term study (

Cited by 11 publications

References 44 publications

Assessment of diesel-contaminated domestic wastewater treated by constructed wetlands for irrigation of chillies grown in a greenhouse

Assessment of diesel-contaminated domestic wastewater treated by constructed wetlands for irrigation of chillies grown in a greenhouse

Examples for elimination of selected groups of petroleum-derived compounds from rainwater and meltwater

Clogging in horizontal subsurface flow constructed wetlands: influencing factors, research methods and remediation techniques

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