TREATMENT WETLANDS - CHAPTER 14 pptx

... the k-values reported for continuous-ow systems in the preceding chapters. Individ- ual events are afforded much better treatment. Carleton et al. (2001) also suggest that wetland-to-water- shed ... over a 23-event, two-year period was more than 90% removal of chemical oxygen demand (COD), BOD, TSS, and ammonia, and 70–90% of phosphorus. 14. 3 TSS IN EVENT-DRIVEN WETLANDS Event-drive...

Ngày tải lên: 18/06/2014, 22:20

... activated sludge plants, are small-retention devices, which do not typically have much capacity to dampen the incoming ow pulses. Hour-to-hour, day-to-day, and month-to-month ow variations are likely ... site-spe- cic, may change over time, and must be estimated on a case- by-case basis for wetland treatment system design. A detailed discussion of the leachate quality that may reach...

Ngày tải lên: 18/06/2014, 22:20

... coupled with the land needed for treatment wetlands, has spurred consider- ation of the use of off-site wetlands to remove nitrogen and phosphorus rather than on-plant-site mechanical equipment (Hey ... Regulatory Guidance Document for Con- structed Treatment Wetlands. http://www.itrcweb.org/WTLND-1.pdf. TABLE 23.3 Liner and Geotextile Costs for Example HSSF Wetlands System Name...

Ngày tải lên: 18/06/2014, 22:20

... planning E-Business E-Business Strategies, Inc. Strategies, Inc. www.ebstrategy.com www.ebstrategy.com contact@ebstrategy.com contact@ebstrategy.com 67 8-3 3 9-1 236 x201 67 8-3 3 9-1 236 x201 Fax - 67 8-3 3 9-9 793 Fax ... x201 Fax - 67 8-3 3 9-9 793 Fax - 67 8-3 3 9-9 793 www.ebstrategy. com 5 - © e-Business Strategies, Inc. Tactical e-Project Mana...

Ngày tải lên: 20/12/2013, 17:15

... partition coefcients (K ow ) due to the presence of polar functional groups (e.g., -C=O, -OH, -COOH, -NO 2 ,-NH 2 , -CN). Some of these functionalities are ionizable, resulting in compounds that ... (L/equiv)istheCECnormalizeddistributioncoef- cient. 24,25 Likewise,Figueroaetal. 18 derived an empirical model using species-spe- cic sorption coefcients normalized to pH-dependent CEC thatare...

Ngày tải lên: 18/06/2014, 16:20

... an economicalandeffectivemeansoftreatingtheseantibioticspreventorminimize theirintroductionintotheenvironmentduringtheireldapplication(Figure 14. 1). Contents 14. 1 Introduction 331 14. 2 Typical Manure Handling Systems for Swine 332 14. 2.1 Interior Storage 332 14. 2.2 Exterior Storage and Treatment 333 14. 2.3 Multicell ... Treatment Systems 337 14. 5.1 Anaerobic Biodegradation...

Ngày tải lên: 18/06/2014, 16:20

... indicate higher-quality wetlands. Land use and distance between wetlands were determined in ESRI ArcMap (ver- sion 9.0) using land use maps current to 1998. Using these data, we determined lin- ear distance ... in wetlands (Crosbie and Chow-Fra- ser 1999, Lougheed et al. 2001), while an increased proportion of forested land, including forested buffer strips along streams (e.g., Crosbi...

Ngày tải lên: 18/06/2014, 16:20

... Variability 143 5.3 Volatilization 144 Nitrous Oxide 144 Methane 146 Carbon Dioxide 147 Greenhouse Effects 148 5.4 Oxidation-Reduction Potential 149 Redox Potentials in Treatment Wetlands 151 5.5 ... 564 Agricultural Runoff 564 14. 6 Metals in Event-Driven Wetlands 565 14. 7 Pesticides in Event-Driven Wetlands 568 14. 8 Dynamic Modeling 568 The Dynamic Model for Storm...

Ngày tải lên: 18/06/2014, 22:20

... Hydrologic investi- gation of water conservation area 2-A, Chapter 12 in the 199 6-1 997 Biennial Report to the Everglades Agricultural Area Environmental Protection Dis- trict, Publication 9 7-0 5, Duke ... Tennessee 23 33 48 84 104 130 147 137 124 94 53 28 991 Galveston, Texas 23 33 41 66 104 142 157 155 145 117 69 33 1,092 San Antonio, Texas 56 79 114 142 165 213 239 239 193 14...

Ngày tải lên: 18/06/2014, 22:20

... HSSF wetlands. (Adapted from Wallace and Knight (2006) Small-scale constructed wetland treatment systems: Feasibility, design criteria, and O&M requirements. Final Report, Project 01-CTS-5, ... 2-ha aerated lagoons, and is then stored in a 12-ha pond for summer dis- posal to a 600-ha peatland locally known as the Porter Ranch Peatland. The Porter Ranch Peatland has received better-...

Ngày tải lên: 18/06/2014, 22:20