Effect of feed pattern of landfill leachate on water reduction in constructed wetland in Southeast Asia

2015 ◽  
Vol 10 (4) ◽  
pp. 669-673 ◽  
Author(s):  
Yuka Ogata ◽  
Tomonori Ishigaki ◽  
Yoshitaka Ebie ◽  
Noppharit Sutthasil ◽  
Chart Chiemchaisri ◽  
...  
Keyword(s):  
Southeast Asia ◽  
Constructed Wetland ◽  
Landfill Leachate ◽  
Low Cost ◽  
Free Water ◽  
Pilot Scale ◽  
Leachate Treatment ◽  
Tropical Regions ◽  
Water Reduction ◽  
Landfill Management

To improve landfill management in Southeast Asia, reduction of landfill leachate volume with low cost and easy operation is required. The present study attempted to utilize constructed wetland (CW) for reduction of landfill leachate by evapotranspiration. The objective of this study is to evaluate the influence of operation and season on evapotranspiration of CW applied to landfill leachate treatment in tropical regions. The pilot-scale CW planted with cattail was constructed in Sainoi landfill site, Thailand. CW could siginificantly reduce the leachate volume by the evapotranspiration in daytime than nighttime. Frequent inflow of horizontal subsurface flow (HSSF) during daytime resulted in active evapotranspiration. Evapotranspiration of CW in HSSF with high frequency of inflow showed the similar that in free water surface (FWS). Throughout the year including both rainy and dry seasons, evapotranspiration of CW were significantly higher than the evaporation volume which is regarded as water reduction by existing landfill leachate treatment, i.e. stabilization pond. CW should be served as the techonology for appropriate management of landfill leachate in Southeast Asia.

Potential use of mangrove plantation as constructed wetland for municipal wastewater treatment

2003 ◽  
Vol 48 (5) ◽  
pp. 257-266 ◽  
Author(s):  
K. Boonsong ◽  
S. Piyatiratitivorakul ◽  
P. Patanaponpaiboon
Keyword(s):  
Wastewater Treatment ◽  
Constructed Wetland ◽  
Municipal Wastewater ◽  
Free Water ◽  
Avicennia Marina ◽  
Pilot Scale ◽  
Natural Forest ◽  
Municipal Wastewater Treatment ◽  
Detention Time ◽  
Bruguiera Cylindrica

The study evaluated the possibility of using mangrove plantation to treat municipal wastewater. Two types of pilot scale (100 × 150 m2) free water surface constructed wetland were set up. One system was a natural Avicennia marina dominated forest system. The other system was a newly planted system in which seedlings of Rhizophora spp., A. marina, Bruguiera cylindrica and Ceriops tagal were planted in 4 strips. Municipal wastewater was retained within the systems for 7 and 3 days, respectively. The results indicated that the average removal percentage of TSS, BOD, NO3-N, NH4-N, TN, PO4-P and TP in the newly planted system were 27.6-77.1, 43.9-53.9, 37.6-47.5, 81.1-85.9, 44.8-54.4, 24.7-76.8 and 22.6-65.3, respectively. Whereas the removal percentage of those parameters in the natural forest system were 17.1-65.9, 49.5-51.1, 44.0-60.9, 51.1-83.5, 43.4-50.4, 28.7-58.9 and 28.3-48.0, respectively. Generally, the removal percentages within the newly planted system and the natural forest system were not significantly different. However, when the removal percentages were compared with detention time, TSS, PO4-P and TP percentages removed were significantly higher in the 7-day detention time treatment. Even though the removal percentages were highly varied and temporally dependent, the overall results showed that mangrove plantation could be used as constructed wetland for municipal wastewater treatment in a similar way to the natural mangrove system.

Compost leachate treatment by a pilot-scale subsurface horizontal flow constructed wetland

2017 ◽  
Vol 105 ◽  
pp. 7-14 ◽  
Author(s):  
Reza Bakhshoodeh ◽  
Nadali Alavi ◽  
Monireh Majlesi ◽  
Pooya Paydary
Keyword(s):  
Constructed Wetland ◽  
Pilot Scale ◽  
Horizontal Flow ◽  
Leachate Treatment ◽  
Compost Leachate

Development of magnetic nano-geocomposite for groundwater and leachate treatment: A Landfill Management Perspective

2020 ◽  
Author(s):  
Nivedita Pradhan ◽  
Manish Kumar
Keyword(s):  
Landfill Leachate ◽  
Emerging Contaminants ◽  
High Surface ◽  
High Surface Area ◽  
Operating Conditions ◽  
Future Research ◽  
Leachate Treatment ◽  
Freundlich Isotherms ◽  
Landfill Management ◽  
Physical And Chemical

<ul>Landfill leachate, a highly contaminated percolating effluent can cause a considerable threat to human as well as environmental health. We developed a novel nano composite using the polymer encapsulated magnetic geopolymer for efficient removal of multi contaminants (As, Zn, Fe, Co, Cu, Ni, Pb, F, NO 3 - , and PO 4 3- ) present in the landfill leachate and groundwater of the Pirana solid waste dumping site, Ahmedabad, Gujarat. A series of batch and column sorption experiments were carried out to find the best-operating conditions for optimum removal efficiency. Results revealed that in the range of 50-60% of multi-contaminant removal is possible using the newly developed adsorbent which has high surface area as well as mixed functional groups for the removal of both cationic (Zn, Fe, Co, Cu, Ni, and Pb) and anionic (F, NO 3 - , and PO 4 3- ) contaminants present in the leachate. Batch study shows that both physical and chemical sorption are equally operational and multilayer removal following the Freundlich isotherms predominantly. The batch test mimics the equilibrium condition only. The study recommends column study under different follow conditions using leachate and groundwater, followed by a regeneration study for its reusability and development of the field implementation schemes. The future research is required to address the decontamination of emerging contaminants like pharmaceuticals, pesticides and fertilizers, industrial additives and antibacterial agents.</ul>

Landfill leachate treatment using sub-surface flow constructed wetland by Cyperus haspan

2012 ◽  
Vol 32 (7) ◽  
pp. 1387-1393 ◽  
Author(s):  
Christopher O. Akinbile ◽  
Mohd Suffian Yusoff ◽  
A.Z. Ahmad Zuki
Keyword(s):  
Constructed Wetland ◽  
Landfill Leachate ◽  
Surface Flow ◽  
Leachate Treatment

Landfill leachate treatment by an experimental subsurface flow constructed wetland in tropical climate countries

2005 ◽  
Vol 52 (12) ◽  
pp. 243-250 ◽  
Author(s):  
Z. Ujang ◽  
E. Soedjono ◽  
M.R. Salim ◽  
R.B. Shutes
Keyword(s):  
Heavy Metals ◽  
Constructed Wetlands ◽  
Constructed Wetland ◽  
Landfill Leachate ◽  
Subsurface Flow ◽  
Experimental Unit ◽  
Leachate Treatment ◽  
Emergent Plants ◽  
Subsurface Flow Constructed Wetland ◽  
Better Than

Municipal leachate was treated in an experimental unit of constructed wetlands of subsurface flow type. The parameters studied were organics (BOD and COD), solids and heavy metals (Zn, Ni, Cu, Cr and Pb). Using two types of emergent plants of Scirpus globulosus and Eriocaulon sexangulare, more than 80% removal was achieved for all the parameters. E. sexangulare removed organics and heavy metals better than Scirpus globulosus. A higher concentration of heavy metals in the influent did not change the removal efficiency.

scholarly journals Platyhypnidium aquaticum as Bioindicator of Metal and Metalloid Contamination of River Water in a Neotropical Mountain City

Plants ◽  
2020 ◽  
Vol 9 (8) ◽  
pp. 974
Author(s):  
Ángel Benítez ◽  
Samuel Torres ◽  
Ramiro Morocho ◽  
Washington Carrillo ◽  
David A. Donoso ◽  
...  
Keyword(s):  
Water Contamination ◽  
Low Cost ◽  
Free Water ◽  
Toxic Substances ◽  
Control Zone ◽  
Tropical Regions ◽  
Current State ◽  
Aquatic Mosses ◽  
Southern Central ◽  
The City

Water contamination is a major environmental problem in many cities of the world. Most water contamination results from industry and human activities that generate toxic substances (e.g., metals). Rheophilic and aquatic mosses are found in lotic ecosystems, and their morphological and physiological traits are responsive to ecological and pollution gradients. Here we hypothesized that the native rheophilic moss Platyhypnidium aquaticum (A. Jaeger) M. Fleisch exposed to polluted waters can bioaccumulate greater amounts of metals, and a metalloid, than P. aquaticum exposed to pollution-free water. To this aim, we tested the bioindicator capacity of the aquatic P. aquaticum for 15 metals (Cd, Pb, Zn, Fe, K, Ca, Na, Mn, V, Co, Ba, Cr, Al, Sr, and Mg) and one metalloid (As), in twelve river samples coming from three urban and one control zone along the Zamora river in the city of Loja. When compared to the control, our results showed that P. aquaticum in the Southern, Central, and Northern zones of the city bioaccumulated higher concentrations of Ba, Cd, Co, Fe, Mg, Mn, Na, Sr, Zn, and the metalloid As. On the other hand, concentrations of Al, Ca, Cr, Pb, and V in P. aquaticum tended to be lower in the control zone, but these differences were not significant. We suggest that the presence of these contaminants may be related to water pollution (e.g., residual discharges and a lack of treatment systems) along urban zones of the river. We report for the first time the utility of P. aquaticum as a model species for development of long-term biomonitoring programs of water contamination in South America. Passive biomonitoring with P. aquaticum can be a simple and low-cost method to obtain reliable data of the current state of water contamination with metals and metalloids in tropical regions.

Biological Treatment Technology for Landfill Leachate

2015 ◽  
pp. 219-249
Author(s):  
Husnul Azan Bin Tajarudin ◽  
Mohd Firdaus Bin Othman ◽  
Noor Aziah Binti Serri ◽  
Muhammad Redzwan Bin Tamat
Keyword(s):  
Landfill Leachate ◽  
Biological Treatment ◽  
Biological Process ◽  
Low Cost ◽  
New Technology ◽  
Environmentally Friendly ◽  
Biological Processes ◽  
Treatment Technology ◽  
Leachate Treatment ◽  
Environmental Preservation

Biological process for environmental preservation and treatment is not a new technology. It was used a decade ago until now. The most important tools in biological processes are the microorganism and upstream instruments (bioreactor, pond and others) to run the process. Furthermore, the efficiency of the process depends on many factors such as temperature, pH, type of microorganism, conditions, and other nutrients. To understand the factors that will affect the process, mechanisms of microorganisms to treat or protect the environment must be considered. For leachate treatment, biological process is one of the most widely used techniques for low cost and environmentally friendly.

scholarly journals OPERATIONAL PROBLEMS OF CONSTRUCTED WETLAND FOR LANDFILL LEACHATE TREATMENT: CASE STUDY

2013 ◽  
Vol 14 (3) ◽  
pp. 43-48 ◽  
Author(s):  
Hanna Obarska-Pempkowiak ◽  
Magdalena Gajewska ◽  
Ewa Wojciechowska
Keyword(s):  
Constructed Wetland ◽  
Landfill Leachate ◽  
Leachate Treatment

Leachate Generation and Control at Landfill Disposal Sites

1985 ◽  
Vol 20 (3) ◽  
pp. 10-24 ◽  
Author(s):  
Frederick G. Pohland ◽  
Stephen R. Harper ◽  
Ker-Chi Chang ◽  
Joseph T. Dertien ◽  
Edward S. K. Chian
Keyword(s):  
Simulation Study ◽  
Landfill Leachate ◽  
State Of The Art ◽  
Treatment Options ◽  
The State ◽  
Leachate Treatment ◽  
Landfill Management ◽  
And Control ◽  
Landfill Disposal

Abstract A two-part overview of the state-of-the-art in landfill management is presented with emphasis on the production and characteristics of landfill leachate and gas and methods for control and treatment. The patterns of production of landfill leachate and gas are illustrated with results from a landfill simulation study with and without leachate recycle. Leachate treatment options are summarized and fortified by information derived from selected literature reports.

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