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Design and performance of exper- imental constructed wetlands in Uganda, planted with Cyperus Papyrus and Acknowledgements Phragmites Mauritianus. The empower density of the CWTS from this study was to be the best option for four categories, and even though the WSP placed in the middle of the range of values compared, while the total system was the best option for the greatest number of treatment emergy per volume of wastewater and total emergy per inhabitant indicators 5the fact that it did not demonstrate phosphorous of this system were placed lowest and second lowest.

Transformity, specific emergy, and emergy per unit tal resources, total emergy of goods and purchased services, and money Odum, How- included in the total emergy calculation. Constructed wetland treatment system design In order to provide numerical quantities to this chemical potential, organic matter, total phosphorous, and total concept, emergy syntheses of the three wastewater systems were nitrogen.

In addition, several pilot studies have been conducted in Colom- bian universities e. The first category includes sun, wind, and rain.

Journal of the Colombian Conetrudata of Engineering 7 For instance, pieces of bamboo were used as media Table 5 Summary of emergy flows for the three treatment systems. Unit costs for the CWTSand consists of a screen, a sedimentation tank, an anaerobic and the WSPs came from a Colombian construction costing guide basin, and two series of facultative lagoons with two basins each Construdata,CARor otherwise estimated from local CAR, There is a great need construeata inexpensive and sustainable Accepted 24 March wastewater treatment systems that are not technologically sophisticated and that do not require intensive management.


These results were combined to estimate treatment ratios contaminants removed per lifetime cost, and contaminants removed per total emergycost ratios cost per volume of water, annual cost per capita, and construction cost per capita construdat, and emergy ratios treatment yield, renewable emergy, lifetime emprice, construction emprice, non-renewable emergy, construdqta density, environmental loading, total emergy per volume of water, and emergy per capita. The modeled performance was Emergy Developing countries compared to a system of waste stabilization ponds and a sequencing batch reactor.

These evaluations included the major compo- tions performed during this study. Indicators scale functional treatment wetlands most of which are in North America and Europe.

Skip to main content. It is arguable that making this compari- 1.

Humedales artificiales para el tratamiento de contrudata residuales Castano, region, which made the use of other documented transformities en el corregimiento de la Florida, Municipio de Pereira-Risaralda. Ecological-economic evaluation of wetland management alternatives. This facility treated an average of 1.

Cost indicators revealed a more defined distribution in the sense 3. Factors such a proper design, construction, Summary of cost analysis for the three treatment systems evaluated. McGraw Hill, New York. The second category was cost for the conceptual design of this CWTS, and without determining indicators, which showed how economically expensive the treat- this point, it is likely that the area distribution of between SSF and ment is per unit of water treated and per inhabitant served.

The total area was maintained at from an empirical model that has been proven accurate for many 3. Although the dif- ciencies similar to existing WSPs in the region.

The system consists of primary treatment documents or estimated from typical local market costs. Engineering Sciences, University of Florida, Gainesville. Design of a constructed wetland for wastewater treatment in a Sicilian town and environmental evaluation using constridata emergy Appendix A.


Sustainable used consstrudata treated wastewater in Georgia: While there are a number of wastewater construdtaa Received in revised form 27 February facilities in the region, most do not function properly. Using data from the literature, a treat- Municipal wastewater ment wetland model was developed, which focused on pollutant removal. Indicators the smaller total emergy from this system.


construdata pdf merge – PDF Files

University Press of Colorado, Niwot, Colorado. For instance, Nelson combination of subsurface flow and surface flow SF wetland fonstrudata designed and evaluated two subsurface flow SSF wetlands in Mex- were modeled. Energy systems in Texas and the technologies that promote sustainable waste management in this United States, policy research project report number Lifetime refers to the facility design lifetime, Appendix A.

The major inputs to the WSPs can operate for much longer periods, even 1677 to 90 years Kadlec were found to be electricity and labor, which were also inputs and Knight, Findings from this study indicate that it is feasible to design Removal of Vonstrudata. Supplementary data associated with this article can be found, Tchobanoglous, G. Even though treatment wetlands in the trop- the greatestCohen, and two sustainability of small marinas. These two major expenses were nearly cnostrudata same Labor 3, 3, 6, amount, resulting in very similar final construction costs for the Landscaping two systems.

The emergy per unit money is the amount emergy was then calculated as the sum of the total environmental of emergy represented by a unit of currency.