Geoenvironmental Engineering Contaminated Soils, Pollutant Fate, and Mitigation - Chapter 2 pps

... percent. FIGURE 2. 10 Step 1 in using the Decision Table tool. 18 FINANCIAL MODELING WITH CRYSTAL BALL AND EXCEL FIGURE 2. 5 Frequency distributions depicting negative (Skewness = 2) , positive ( +2) , and near-zero (0. 02) ... segment of this model is shown in Figure 2. 1. Note that rows 14 through 40 are hidden to save space. 11 22 FINANCIAL MODELING WITH CRYSTA...

Ngày tải lên: 05/07/2014, 18:20

... use and urban land use at the other. Each type of land use imposes different demands and requirements from the land. The ideal situation in land utilization matches land suitability with land ... Yong, R.N. (Raymond Nen) Geoenvironmental engineering: contaminated soils, pollutant fate and mitigation / Raymond N. Yong p. cm. Includes bibliographical references and index. I...

Ngày tải lên: 11/08/2014, 04:20

... 75 .2 38.1 0 2 46 52 1.38 27 .0 2. 6 5.97 84.61 PEA4 34.1 2. 63 50.8 25 .9 0 3 39 58 1. 62 20.8 1.9 2. 74 80.69 CEA1 31.1 2. 53 46 23 .3 0 1 49.6 49.4 1.69 21 .6 2. 22 3.75 83.5 CEA4 30.5 2. 48 47.1 24 .2 ... 13.9 2. 52 27.7 10.4 23 .3 33.1 29 .9 13.7 1.93 12. 5 0.7 30 .23 1 NEA1 45.7 2. 59 59.7 28 .6 0 8 47 45 1.47 23 .0 2. 5 5.53 71. 12 NEA4 51.8 2. 49 65.8 30.0...

Ngày tải lên: 11/08/2014, 04:20

... preference: Cl Ӎ NO 3 < SO 4 Ӷ PO 4 < SiO 4 4.5 pH ENVIRONMENT, SOLUBILITY, AND PRECIPITATION We have seen in the example given in Figure 4. 4 that the various changes in both pH and pE affect the ... Press LLC CHAPTER 4 Interactions and Partitioning of Pollutants 4. 1 POLLUTANTS, CONTAMINANTS, AND FATE We consider, in this chapter, the general mechanisms an...

Ngày tải lên: 11/08/2014, 04:20

... CH 3 COOH 2-NH 3 OHCl + CH 3 COOH 3-NH 3 OHCl + CH 3 COOH Chang et al. (1984) 1-KNO 3 4-Na 2 EDTA 3-NaOH 5-HNO 3 (7 0-8 0 o C) Emmerich et al. (1982) 1-KNO 3 4-Na 2 EDTA 3-NaOH 5-HNO 3 Gibson and Farmer ... (1986) 1-CH 3 COONH 4 pH 7 2-CH 3 COONa pH 5 3-4 -Hydroxyl-ammonium + HNO 3 /Acetic Acid 5-H 2 O 2 + HNO 3 85 o C 6-Aqua regia + HF + Boric acid Yanful et al. (1988) 1-MgCl...

Ngày tải lên: 11/08/2014, 04:20

... minerals. Figure 6. 12 Oxidation of 2 , 6- dimethylphenol by Al-clay, Fe-clay and Al-sand (Data from Yong et al., 1997.) â 2001 by CRC Press LLC 6. 4.5 Oxidation-Reduction Reactions Oxidation-reduction ... detected included pentachlo- roanisole (PCA) and 2,3,4, 5-, 2,3,4 ,6 ,- and 2,3,5 , 6- tetrachlorophenol (TCP). Anaerobic dehalogenation of organic chemicals has been briefly...

Ngày tải lên: 11/08/2014, 04:20

... forth by land use policies; (b) regulatory requirements; (c) site specificities; (d) land capability; (e) ownership objectives, requirements and expectations; (f) timing; and (g) eco- nomics — ... (19 7 8) , “Water on particle surfaces” Chapter 6, The chemistry of soil constitu- ents , D.J. Greenland, and M.H.B. Hayes (eds .), John Wiley & Sons, New York, pp.40 5-4 48. F...

Ngày tải lên: 11/08/2014, 04:20

... 2 0.074 0.0 72 0.076 PCB-1016 0 BDL BDL BDL PCB- 122 1 0 BDL BDL BDL PCB- 123 2 0 BDL BDL BDL PCB- 124 2 0 BDL BDL BDL PCB- 124 8 23 0.740 0.043 5 .20 3 PCB- 125 4 13 1.765 0.3 12 9.347 PCB-1060 20 0.671 0.031 ... States 23 9 0.49 23 21 83 USEPA, 1990 England 11 150 20 0 DoE, 1989 England 16 DoE, 1993 Rural 9–73 23 .3 Mixed ind/rural 29 –67 42. 5 Light ind/domestic 21 –105 42. 3 Ind...

Ngày tải lên: 11/08/2014, 09:21

... determination of oxygen consumption of a waste. t (day) 24 6810 y (mg/L) 10 20 23 25 28 t (day) 2 4 6 8 10 y (mg/L) 10 20 23 25 28 ∑y = 68 b y′ 3 .25 a 1 .25 1 .25 ∑y′ = 5.75 y 2 400 529 625 ∑y 2 = 1554 yy′ ... mn≤≤= TX249_Frame_C 02. fm Page 135 Friday, June 14, 20 02 1:51 PM â 20 03 by A. P. Sincero and G. A. Sincero 1 42 Physical Chemical Treatment of Wat...

Ngày tải lên: 11/08/2014, 10:22

... between Sediment and Common Contaminants 2. 2. 2Sediment Transport Model Components 2. 2 .2. 1Sediment Erosion and Deposition Processes 2. 2 .2. 2Sediment Transport Model Minimum Requirements 2. 2.3Contaminant ... aldrin; dieldrin; 1,1,1-trichloro- 2, 2-bis( p -chlorophenyl)ethane (DDT); 1,1-dichloro -2 , 2-bis( p -chloro- phenyl)ethane (DDD); endosulfan; endrin; heptach...

Ngày tải lên: 11/08/2014, 12:21

... HO 2 2 2HO 2 ! H 2 O 2 ỵ O 2 3ị H 2 O 2 ỵ e ! OH ỵ OH 4ị H 2 O 2 ỵ O 2 ! OH ỵ OH ỵ O 2 5ị This series of chemical equations is equivalent to: O 2 ỵ 2H ỵ ỵ 3e ! OH ỵ OH 6ị The formation of H 2 O 2 by ... oxidation methods has been carried out for the removal of 2, 4,6-trinitrotoluene and 1,3,5-trinitrobenzene from groundwater ( 126 ). The meth...

Ngày tải lên: 11/08/2014, 13:21

... small landholders. Ghana’s land use includes 12 percent in arable land, 7 percent in permanent crops, 22 percent in permanent pastures and 35 percent in forests and woodlands with the remaining 24 ... Ghana. PESTICIDE RESIDUES IN BIOTA AND NON BIOTIC MATRICES IN THE INLAND, COASTAL, AND MARINE ECOSYSTEMS OF GHANA OC residues in the interior of Ghana Osafo Acqua...

Ngày tải lên: 12/08/2014, 02:23

... 20 03 Milton D. Taylor, Stephen J. Klaine, Fernando P. Carvalho, Damia Barcelo and Jan Everaarts Pesticide use in Zimbabwe 33 Table 3. 4 Spraying operations using 3. 1 percent dieldrin emulsion in ... 1.49 17 .32 13/ M 8.62 0.65 34 .19 – 1. 63 2.04 38 .51 Antelope Island 14/F 5.66 0.20 20 .31 – 1.49 1.62 23. 62 Nyaodza River 15/M 55 .32 0.69 23. 39 – 2.28 4.12 30 .48 16/F...

Ngày tải lên: 12/08/2014, 02:23

... Dieldrin 0 .64 mg L –1 growing regions field, irrigation p,p´-DDT 0. 06 19 .60 mg L –1 canal, adjoining p,p´-DDE 0.01–2.51 mg L –1 river and ponds) p,p´-DDD 0.01–0.37 mg L –1 o,p´-DDT 0.01–0. 26 mg ... consumption for granular and conventional products since 1972 and 1973. With the lifting of subsidies beginning in 1974 and ending in 1979, there was a sharp decline in the consu...

Ngày tải lên: 12/08/2014, 02:23

... that a 0 (2. 3) For later reference, it is useful to rewrite the last two equalities in a different form. Equation (2. 2) is the same as x b (2. 4) and equation (2. 3) is the same as x 0 (2. 5) where a ... sides b , c , and b c yields b c b c b c and from equation (2. 8) we obtain b b c c b c b b c c b c Canceling equal terms and dividing by -2 yields the desired result. Corollary...

Ngày tải lên: 14/08/2014, 11:20