Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition

Park, Noeon; Vanderford, Brett J.; Snyder, Shane A.; Sarp, Sarper; Kim, Sang Don; Cho, Jaeweon

doi:10.1016/j.ecoleng.2008.10.004

Cited by 116 publications

(42 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…If the capacity of CWs to depurate waters from bulk pollutants and nutrients is generally recognized, recent research has been directed to the removal of other contaminants such as metals and organic micropollutants from several types of wastewaters (Matamoros et al, 2008;Rai, 2008;Imfeld et al, 2009;Park et al, 2009;Avila et al, 2010;Marchand et al, 2010;Breitholtz et al, 2012). In particular, several studies showed successful applications of CWs to remove hardly biodegradable organic xenobiotic compounds such as pesticides and pharmaceuticals (Cheng et al, 2002;Matamoros et al, 2008Matamoros et al, , 2012aDordio et al, 2009bDordio et al, , 2010Avila et al, 2010;Hijosa-Valsero et al, 2011;Agudelo et al, 2012;Warsaw et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Constructed wetlands with light expanded clay aggregates for agricultural wastewater treatment

Dordio

Carvalho

2013

Science of The Total Environment

View full text Add to dashboard Cite

This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues.Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. H I G H L I G H T S• CW with LECA substrate and Phragmites plants tested with agricultural wastewaters.• High removals of TSS, COD, NH 4 -N, polyphenols, a pharmaceutical and a pesticide.• Contact time of wastewaters with beds ranged from 3 to 9days in batch conditions.• Promising results suggest more studies in full-scale and more realistic conditions. Constructed wetlands (CWs) are receiving a renewed attention as a viable phytotechnology for treating agricultural wastewaters and for the removal of more specific pollutants, in particular recalcitrant ones. In this work, the performance of CW mesocosms using light expanded clay aggregates (LECA) as the bed's substrate and planted with Phragmites australis was investigated for treatment of olive mill wastewater (OMW), swine wastewater (SW) contaminated with oxytetracycline and water contaminated with herbicide MCPA (2-methyl-4-chlorophenoxyacetic acid). Both wastewaters (OMW and SW) initially presented high organic matter content and total suspended solids which were removed by the system with efficiencies higher than 80%. Removal of polyphenols in OMW and nitrogen compounds in SW also showed similar or higher efficiencies in comparison with other treatment systems reported in the literature. The antibiotic oxytetracycline was completely removed from SW within the assay period in unplanted LECA beds, but planted beds allowed a significantly faster removal. In regard to water contaminated with MCPA, the results showed that LECA has a large sorption capacity for this herbicide (removal efficiencies of 56-97%). In general, considerably higher pollutant removal efficiencies were obtained when plants were used (up to 28% higher). The results obtained are indicative that CWs with LECA as substrate may be an adequate option for agricultural wastewater treatment. a b s t r a c t a r t i c l e i n f o

show abstract

Section: Introductionmentioning

confidence: 99%

Constructed wetlands with light expanded clay aggregates for agricultural wastewater treatment

Dordio

Carvalho

2013

Science of The Total Environment

View full text Add to dashboard Cite

show abstract

“…For instance, negligible level of removal of carbamazepine was reported by Clara et al (2005) and Abegglen et al (2009), although different configurations of MBR (sequential anoxicaerobic MBR and aerobic MBR, respectively) were utilized in those studies. However, a few recent studies have reported better removal of carbamazepine under anoxic conditions during treatment in constructed wetland (Park et al, 2009) and river bank filtration (Maeng et al, 2011). It is also interesting to note that carbazole, which is a precursor, and acridine, which is a degradation product of carbamazepine, have been reported to be well degraded under anaerobic conditions (Kaiser et al, 1996;Tan and Ji, 2010).…”

Section: Introductionmentioning

confidence: 99%

Removal of carbamazepine and sulfamethoxazole by MBR under anoxic and aerobic conditions

Hai

Price

et al. 2011

Bioresource Technology

119

View full text Add to dashboard Cite

This study reveals for the first time that near-anoxic conditions (dissolved oxygen, DO = 0.5 mg/L) can be a favourable operating regime for the removal of the persistent micropollutant carbamazepine by MBR treatment. The removal efficiencies of carbamazepine and sulfamethoxazole by an MBR were systematically examined and compared under near-anoxic (DO = 0.5 mg/L) and aerobic (DO > 2 mg/L) conditions. Preliminary batch tests confirmed that sulfamethoxazole is amenable to both aerobic and anoxic biotransformation. However, carbamazepine-a known persistent compound-showed degradation only under an anoxic environment. In good agreement with the batch tests, during near-anoxic operation, under a high loading of 750 µg/L.d, an exceptionally high removal (68±10%) of carbamazepine was achieved. In contrast, low removal efficiency (12±11%) of carbamazepine was observed during operation under aerobic conditions. On the other hand, an average removal efficiency of 65% of sulfamethoxazole was achieved irrespective of the DO concentrations.

show abstract

“…This result indicates that operation of wastewater stabilization ponds or wetlands would be helpful to prevent release of micropollutants into surface water. Our research group has previously been studied the Damyang constructed wetlands with respect to the control of organic micropollutants, and, reported the efficiency of wetland treatments depending on the wetland characteristics and properties of micropollutants (Park et al, 2009). Many other studies have also been supported the necessity of additional wetland treatments for micropollutants control (Matamoros and Bayona, 2006;Conkle et al, 2008).…”

Section: Removal Of Pharmaceuticals and Personal Care Products In Wwtmentioning

confidence: 99%

A Comprehensive Insight into Tetracycline Resistant Bacteria and Antibiotic Resistance Genes in Activated Sludge Using Next-Generation Sequencing

Monsalvo¹

2015

Wastewater and Public Health

View full text Add to dashboard Cite

Abstract. Since trace organic compounds such as pharmaceuticals in surface water have been a relevant threat to drinking water supplies, in this study removal of pharmaceuticals and transformation of pharmaceuticals into metabolites were investigated in the main source of micropollutants such as WWTPs and engineered constructed wetlands. Pharmaceuticals were effectively removed by different WWTP processes and wetlands. Pharmaceutical metabolites with relatively low log D value were resulted in the low removal efficiencies compared to parent compounds with relatively high log D value, indicating the stability of metabolites. And the constructed wetlands fed with wastewater effluent were encouraged to prevent direct release of micropollutants into surface waters. Among various pharmaceuticals, different transformation pattern of ibuprofen was observed with significant formation of 1-hydroxy-ibuprofen during biological treatment in WWTP, indicating preferential biotransformation of ibuprofen. Lastly, transformation of pharmaceuticals depending on their structural position was investigated in terms of electron density, and, the electron rich C 1 = C 2 bond of carbamazepine was revealed as an initial transformation position.

show abstract

Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition

Cited by 116 publications

References 16 publications

Constructed wetlands with light expanded clay aggregates for agricultural wastewater treatment

Constructed wetlands with light expanded clay aggregates for agricultural wastewater treatment

Removal of carbamazepine and sulfamethoxazole by MBR under anoxic and aerobic conditions

A Comprehensive Insight into Tetracycline Resistant Bacteria and Antibiotic Resistance Genes in Activated Sludge Using Next-Generation Sequencing

Contact Info

Product

Resources

About