TREATMENT WETLANDS - CHAPTER 15 pdf

... for the pas- sive remediation of acidic and/or metalliferous mine drain- age and similar wastewaters, European Commission 5th Framework RTD Project no. EVK-CT-199 9-0 00021, “Pas- sive In-Situ Remediation ... has been extended to the P-k-C* model by Wong et al. (2006). A drawback of the use of P-k-C* calculations for event- driven wetlands is that rate constants for continuous-ow situ...

Ngày tải lên: 18/06/2014, 22:20

... applies particularly to wetlands treat- ing acid mine drainage (Younger et al., 2002). ALKALINITY IN TREATMENT WETLANDS Examples of alkalinity entering and leaving treatment wet- lands are given in ... frequently in the sediment layers of treatment wetlands, particularly HSSF systems, and particu- larly in wetlands receiving high loads of CBOD. Carbohy- drates from various source...

Ngày tải lên: 18/06/2014, 22:20

... α,        ΤρY vv Τμ)ΑY vv )(( 2 2 2 1 2 2 2 1 15. 14: Solving Eq. (15. 13) for the force ,F   .2.43))m750.0()Hz0.40(( m2.50 kg120.0 2 2 2         fμμvF 15. 15: a) Neglecting the mass of the string, ... 23 2 1 22 2 1 av )srad742()N3.28)(mkg1050.2()g(   AωμFP W.39.0)m1030.2( 23   15. 25: m15.0at mW250.0 2  rI W707)mW250.0()m0 .15( 44 222  πIπrP 15. 82...

Ngày tải lên: 10/12/2013, 12:15

... ratio r B = the pre-tax cost of debt ’s debt-to-value ratio or Williamson’s equity-to-value ratio, it does say that the firm’s debt-to-equity ratio is 2.5. son’s debt-to-equity ratio is 2.5: ... Williamson’s debt-to-value ratio is 42.86% A firm’s equity-to-value ratio is: S / (B+S) = (0 * S): son’ uity-to- e r *S) + S} = S / (1.75 * S) = 0.5714 Williamson’s equity-to-valu...

Ngày tải lên: 25/12/2013, 21:16

... sediments and soils by micro- wa ve-assisted extraction and liquid chromatography-uorescence. Analytica Chimica Acta 567(2): 229–235. 3 5. Morales-Munoz, S.L., Luque-Garcia, J.L., and Luque de ... tetracycline, and chlortetracycline in water using solid-phase extrac - ti on and liquid chromatography-tandem mass spectrometry. Journal of Chromatogra- phy A 9 28: 177–186. 52. Blanchower,...

Ngày tải lên: 18/06/2014, 16:20

... Biological Wastewater Treatment Process 350 15. 3 Pharmaceutical Removal Mechanisms 350 15. 3.1 Biodegradation and Biotransformations 351 15. 3.2 Sorption 352 15. 4 Inuence of Wastewater Treatment Plant ... NaN 3 ) 200 Concentration (µg/L) 150 100 50 0 0510 Time (d) 15 FIGURE 15. 3 Removal of tetracycline under batch-activated sludge conditions with active and “activity-inhibite...

Ngày tải lên: 18/06/2014, 16:20

... Mine Drainage 157 Substrate Effects 158 5.6 Alkalinity and Acidity 159 Alkalinity in Treatment Wetlands 159 Carbonates in Treatment Wetlands 159 Summary 161 Chapter 6 Representing Treatment Performance ... 148 5.4 Oxidation-Reduction Potential 149 Redox Potentials in Treatment Wetlands 151 5.5 Wetland Hydrogen Ion Concentrations 151 Surface Flow Wetlands 151...

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 ... 2.10 Stage-storage and stage-area curves for wetland EW3 at Des Plaines, Illinois. The curves are predicted by the fol- lowing equations. (From Kadlec and Knight (1996) Treatment...

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

... illus- trates this effect. Warm-UporCool-Down? The Tres Rios, Arizona, demonstration project operated 12 research wetlands (0.12 ha) and 4 pilot scale wetlands (about 1.0 ha). The research wetlands ... progression of temperatures at the Niagara-on-the-Lake, Ontario, VF wetland. The measurement point was at 60-cm depth in a 90-cm downward ow path. The wetland was ood-dosed six times...

Ngày tải lên: 18/06/2014, 22:20