horizontal subsurface scale

Removal of Heavy Metals from Landfill Leachate Using ...

In this study, four laboratory scale constructed wetland systems have been constructed, which consist of two vertical subsurface flows (VSSF) and two horizontal subsurface flows (HSSF) constructed wetland systems. Each system comprises of one planted system and one control system. The planted

PILOT-SCALE CONSTRUCTED WETLANDS (HORIZONTAL …

PILOT-SCALE CONSTRUCTED WETLANDS (HORIZONTAL SUBSURFACE FLOW AND FREE WATER SYSTEM) FOR TERTIARY TREATMENT IN A TEXTILE WASTEWATER TREATMENT PLANT E. Coppini* and F. Masi** *GIDA Spa, via Baciacavallo …

Rural Domestic Wastewater Treatment by Small-scale ...

Small-Scale horizontal subsurface flow constructed wetland located in Wuxi new district area was established. The location of Wuxi city is in the hinterland of Yangtze River Delta (Southern part of Jiangsu province), and it is a transit hub in the Taihu lake basin (in the South).

Developing a Pilot Scale Horizontal Sub Surface Flow ...

Developing a Pilot Scale Horizontal Sub Surface Flow Constructed Wetlands for Phytoremediation of Primary Lagoon Effluents – EWEMOJE & SANGODOYIN 3 / 7 wastewater treatment facilities which require guaranteed power supply, replaceable spare parts and a skilled labour for operation and maintenance (Konnerup et al., 2009). Another issue is

Phosphate and ammonium distribution in a pilot-scale ...

Phosphate (P) and ammonium (N) distributions were investigated in a pilot-scale constructed wetland system (CWS) with horizontal flow. Shale was selected as a substrate, on the basis of its P adsorption capacity as well as its suitability for plant growth, investigated in an earlier study.

Wastewater Technology Fact Sheet: Wetlands: Subsurface …

Wastewater Technology Fact Sheet Wetlands: Subsurface Flow DESCRIPTION Wetland systems are typically described in terms of the position of the water surface and/or the type of vegetation grown. Most natural wetlands are free water surface systems where the water surface is exposed to the atmosphere; these include bogs

Effects of tidal operation on pilot-scale horizontal ...

pilot-scale horizontal subsurface flow constructed wetland-treating sulfate rich wastewater contaminated with monochlorobenzene (MCB) and perchloroethene (PCE). The three regimes were continuous flow, 7-day cycle discon-tinuous flow, and 2.5-day cycle discontinuous flow. The re-sults show that intensifying the tidal regime (2.5-day cycle)

Constructed wetland - Wikipedia

Subsurface flow constructed wetland - this wetland can be either with vertical flow (the effluent moves vertically, from the planted layer down through the substrate and out) or with horizontal flow (the effluent moves horizontally, parallel to the surface) Surface flow constructed wetland (this wetland has horizontal flow) Floating treatment ...

Developing a Pilot Scale Angular Horizontal Subsurface ...

efficiency through a Angular Horizontal Subsurface Flow Constructed wetland pilot scale plant for treatment of sewage for sewage treatment process of Solapur city to recycle and reuse. The treated and untreated samples of sewage with different

Development and evaluation of a constructed pilot-scale ...

This paper reports on the development and evaluation of a pilot horizontal subsurface flow constructed wetland (HSSFCW) for removal of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS), total nitrogen (TN) and total …

Full scale horizontal subsurface flow constructed wetlands ...

In the present study, a full scale horizontal subsurface flow constructed wetland was designed, constructed and operated totreat domestic wastewater of Kızılca€oren villagein Samsun city of Turkey. The total surface area of HSFCW was divided into equal parts. The effects of Juncus acutus L. and Cortaderia selloana (Schult.

Effect of plant species on water balance in a pilot-scale ...

Effect of plant species on water balance in a pilot-scale horizontal subsurface flow constructed wetland planted with Arundo donax L. and Cyperus alternifolius L. - Two-year tests in a Mediterranean environment in the West of Sicily (Italy)

Dynamics of Arsenic Species in Laboratory-Scale Horizontal ...

dynamics of As species in horizontal subsurface-flow constructed wetlands. Experiments were carried out in laboratory-scale wetland systems, two planted with Juncus effusus and one implanted, using an As-containing artificial wastewater under defined organic C- and SO42--

CONSTRUCTED WETLANDS TO TREAT WASTEWATER

• Advantages and Inconvenient of Constructed Wetlands to treat Wastewater p. 17-18 • Case study – Community of 8,000 habitants p. 19-21 • Installation process (of a small unit) p. 22-26 ... Working with Subsurface Horizontal Flow CW, there is no wastewater is …

Mechanism and Influencing Factors of Nitrogen Removal in ...

Alexandros I Stefanakis, Christos S Akratos, Vassilios A Tsihrintzis. Effect of wastewater step-feeding on removal efficiency of pilot-scale horizontal subsurface flow wetlands [J]. Ecological Engineering, 2011,37 (3): 431-443.

Post-treatment of tannery wastewater using pilot scale ...

In the present study, a pilot scale horizontal subsurface flow constructed wetland (CW) system planted with Phragmites karka; longitudinal profile was studied.The wetland was fed with tannery wastewater, pretreated in a two-stage anaerobic digester followed by a sequence batch reactor.

Olive Mill Wastewater Treatment by a Pilot‐Scale ...

Nov 29, 2004· Alexandros I. Stefanakis, Eva Seeger, Conrad Dorer, Anja Sinke and Martin Thullner, Performance of pilot-scale horizontal subsurface flow constructed wetlands treating groundwater contaminated with phenols and petroleum derivatives, Ecological Engineering, 95, (514), (2016).

BTEX removal in pilot-scale horizontal subsurface flow ...

Abstract Benzene, toluene, ethylbenzene, and xylenes (BTEX) are commonly encountered pollutants. The focus of the present work is on the removal of BTEX using pilot-scale constructed wetlands (CWs). Experiment carried out in three similar pilot-scale horizontal sub-surface flow constructed wetlands with an area of 35 m2 (each), two of which were planted with different macrophytes (Phragmites ...

Post-treatment of tannery wastewater using pilot scale ...

In the present study, a pilot scale horizontal subsurface flow constructed wetland (CW) system planted with Phragmites karka; longitudinal profile was studied. The wetland was fed with tannery wastewater, pretreated in a two-stage anaerobic digester followed by a sequence batch reactor.

Wastewater management using a pilot-scale horizontal ...

The research was carried out in Sicily (Italy) in a pilot-scale horizontal subsurface flow system (HSSF). Seashore paspalum plots were irrigated with freshwater and treated wastewater. In treated wastewater-irrigated plots, we estimated the amounts of nitrogen and …

effect of the scale of horizontal subsurface flow ...

Because spatial variability is often scale dependent, these effective parameters may be affected by the scale of the system being studied. In this paper the results of tracer experiments in constructed filters using saturated horizontal flow at three scales (small and medium lab scales and full-scale system) using the same filter media is reported.

Rural Domestic Wastewater Treatment by Small-scale ...

This study assessed the performance of a small-scale horizontal sub-surface flow constructed wetland (HSSF-CWs) for rural domestic wastewater treatment with different species of vegetative plants capsicum annuum (A), Allium sativum (B), Apium graveolens (C), Spinacia oleracea (X), Apium graveolens (Y) & cilantro (Z).The system operational time was over three months as a tertiary treatment for ...

Distribution and biodegradability of sludge accumulated in ...

Sludge accumulated in the inlet and outlet zones of a full-scale horizontal subsurface-flow con-structed wetland was analysed in order to assess its distribution pattern and biodegradability characteristics. The amount of sludge was very variable (4.6–20.2 g TSS·kg gravel–1) depending

Investigation of lab-scale horizontal subsurface flow ...

Investigation of lab-scale horizontal subsurface flow constructed. Chemosphere 207, 430-439. Resumo: The feasibility and treatment efficiency of horizontal subsurface flow constructed wetlands (HSFCW) was assessed for the first time for cork boiling …

Title;USE OF PILOT SCALE HORIZONTAL SUBSURFACE FLOW ...

this study aims at developing a pilot scale horizontal subsurface flow constructed wetlands system for treatment of primary lagoon effluent (sewage) y To design, construct and conduct operational testing of horizontal subsurface flow treatment wetlands.

Removal of Dimethylphenols and Ammonium in Laboratory ...

The removal efficiency of dimethylphenol and ammonium nitrogen was studied, for the first time, in three different laboratory-scale horizontal subsurface flow constructed wetlands planted with Juncus effusus. Two of the wetlands used were filled with gravel. One of …

Effect of vegetation in pilot-scale horizontal subsurface ...

Effect of vegetation in pilot-scale horizontal subsurface flow constructed wetlands treating sulphate rich groundwater contaminated with a low and high chlorinated hydrocarbon. Chemosphere, 2012. Zhongbing Chen. Download with Google Download with Facebook or download with email.

Vertical Flow Constructed Wetland | SSWM - Find tools for ...

Apr 27, 2018· A vertical flow constructed wetland is a planted filter bed that is drained at the bottom. Wastewater is poured or dosed onto the surface from above using a mechanical dosing system. The water flows vertically down through the filter matrix to the bottom of the basin where it …