CRC Press, Dec 13, 1995 - Technology & Engineering - 928 pages
This outstanding new book examines the planning, design, construction, and operation of wetlands used for water quality treatment. Treatment Wetlands is the first comprehensive book to systematically describe all aspects of this new technology. Topics include all major wetland configurations, wastewater sources, and combinations of climatic conditions.
This complete reference contains detailed information on wetland ecology, wetland water quality, selection of appropriate technology, design for consistent performance, construction guidance, and operational control through effective monitoring. Design approaches that can be tailored to specific wetland treatment projects are also included. Rule-of-thumb methods, regression-based empirical design approaches, and rational methods are explained facilitating wetland design based on multi-parameter input conditions.
Review of Water Quality Treatment Needs
Overland Flow in Wetlands
Subsurface Wetland Hydraulics
Surface Water Elevation Profiles
Hydraulic Design of SSF Wetlands
Nonideal Flow Patterns
A Mass Balance Design Model
Temperature Oxygen and pH
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ammonia ammonia nitrogen ammonium aquatic average bacteria biological biomass BOD5 carbon cattail Chapter chemical cm/d concentrations constructed wetlands denitrification detention discharge dissolved oxygen effluent environmental Equation estimated evapotranspiration Figure first-order flooded gravel groundwater growth habitat Houghton Lake hydraulic conductivity hydraulic loading rate inflow inlet Kadlec Listowel litter m/yr macrophytes marsh mass balance mg/kg dw mg/L microbial municipal wastewater natural wetland treatment nitrate nitrification nutrients operation outflow outlet oxidation parameters percent phosphorus Phragmites plant species pollutant ponds potential pretreatment processes range rate constant reduction Reedy Creek result roots seasonal sediments SF wetlands solids storage stormwater surface water Table temperature total nitrogen treatment wetlands Typha typically U.S. EPA uptake values variability vegetation wastewater treatment water depth water levels water quality wetland area wetland plants wetland soils wetland systems wetland treatment systems wetland water wildlife zone