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Essay / Research Paper Abstract
A 9 page overview of the use of constructed wetlands in the receipt and treatment of domestic wastewater. Outlines the design considerations which must be considered prior to construction and operational and monitoring considerations which ensure the ongoing success of a project. Includes a sample of specific design and performance information for an operational wastewater to wetlands operation in Manila. Bibliography lists 5 sources.
Page Count:
9 pages (~225 words per page)
File: AM2_PPwetWst.doc
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Unformatted sample text from the term paper:
Apr 2000 -- for more information on using this paper properly!
ABSTRACT Constructed wetlands can play a vital role in the
receipt and treatment of effluent from domestic wastewater plants. These wetlands are particularly advantageous in that they remedy to a large degree the hydrologic and nutrient impacts which result
from the discharge of this effluent into natural waterbodies or wetlands. The design of constructed wetlands is critical in their performance, however, as is a careful monitoring program critical
in ensuring their continued performance and lessened impact to natural systems. The design factors which are reviewed in this essay include hydrologic loading and flow, soil composition, and
plant selection and establishment. An emphasis is placed upon demonstrating the advantages of constructed wetlands in wastewater treatment. Graphical information is presented which shows a functioning wetland reducing
BOD by approximately 130 units. This report encourages gaining an understanding of the underlying biochemistry of an area so that shifts in species composition be predicted and discharge criteria
modified accordingly to maintain desirable population levels of both plants and animals. This includes modifying both the level of pretreatment which is required and in modifying the volume and
timing of discharge to the constructed system. INTRODUCTION
Currently in the United States approximately one-third of domestic wastewater is processed in on-site septic systems (Wilhelm, Schiff, and Cherry; 1994). The remainder of the treated waters
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