نتایج جستجو برای: constructed wetlands cw

تعداد نتایج: 151309  

Journal: :Water 2021

Treated wastewater is constantly produced and relatively unaffected by climatic conditions, while Constructed Wetlands (CWs) are recognized as green technology a cost-effective alternative to improve treated quality standards. This paper analyses how farmers consider (1) face water scarcity risk (2) CW mechanisms agricultural pollution in climate change adaptation context. A survey about percep...

Journal: :Environmental monitoring and assessment 2013
Ying Ouyang

Constructed wetland (CW) and constructed pond (CP) are commonly utilized for removal of excess nutrients and certain pollutants from stormwater. This study characterized shallow groundwater quality for pre- and post-CW and CP system conditions using data from monitoring wells. Results showed that the average concentrations of groundwater phosphorus (P) decreased from pre-CW to post-CW but incre...

2006
P. G. Hunt M. E. Poach T. A. Matheny G. B. Reddy

Denitrification in constructed wetlands can be very important in the treatment of swine lagoon effluent when land application areas are limited. The objectives of this investigation were to determine (i) the denitrification enzymeactivity (DEA) in themarsh sediments ofmarshpond-marsh (MPM) constructed wetlands, (ii) changes in DEA with additions of carbon and nitrate, and (iii) the response of ...

2016
Clara Corbella Jaume Puigagut

A microbial fuel cell (MFC) is a device that generates electricity from the microbial degradation of organic and inorganic substrates. Constructed wetlands (CWs) are natural wastewater treatment systems that constitute a suitable technology for the sanitation of small communities. The synergy between MFCs and CWs is possible because of the presence of organic matter in CWs due to wastewater cha...

1998

BACKGROUND: Water quality improvement is potentially an important function of wetlands. Mechanisms that occur in wetlands, such as sedimentation, filtration, adsorption, precipitation, decomposition, and uptake and metabolism, can act to reduce concentrations of problematic water quality constituents flowing into wetlands. Similarly, streams, ponds, and lakes can act as natural treatment system...

Journal: :Journal of Water Reuse and Desalination 2021

Abstract This study aimed to investigate the behavioral shifts of constructed wetland (CW) when treated water was changed from domestic wastewater mariculture wastewater. The results showed that average removal efficiencies ammonium nitrogen (), total and chemical oxygen demand (COD) were 29.54, 46.07 57.15% in wastewater, respectively, which significantly lower than those (71.35, 66.34 74.98%,...

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