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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 5 pptx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 5 pptx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 5 pptx

... 159 8 1603 159 6 1667 1648 1618 1620 1712 1 655 1688 159 2 1604 155 3 16 05 157 6 159 5 156 6 1620 1611 159 5 158 3 1690 1634 1647 157 1 158 6 1462 158 5 1484 155 5 1479 159 6 154 9 157 9 155 9 1606 156 4 16 05 ... 12461187 1 157 10 45 1026 1244 12 15 1149 1 154 1136 1142 8 75 870 1149 1 151 1086 10881039 1061 653 654 1038 1022 10 35 1018781 782 854 862 853 848661 654 772 769 659 653 661 663 59 2 58 9Source: ... ObservedBridging Bidentate Observed Monodentate ObservedBridging Bidentate16 95 17 15 1669 1660 1661 1 656 1668 16361634 1600 1600 159 2 1608 1609 1607 1607 156 4 159 4 1496 153 1 159 2 158 8 158 7 158 41487...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 7 pptx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 7 pptx

... 0.242 0.00 13 .57 — 0.230 0.000 0.2300.2 75 0.600 0.42 18.99 45. 4 0.438 0.217 0. 655 0.678 1.669 1.07 27.40 25. 7 0.928 0 .57 2 1 .50 11 .56 5 1. 253 0. 45 19.16 42.2 0.793 0.247 1.040Source: Reprinted with ... 0.242 0.00 13 .57 — 0.230 0.000 0.2300.2 75 0.600 0.42 18.99 45. 4 0.438 0.217 0. 655 0.678 1.669 1.07 27.40 25. 7 0.928 0 .57 2 1 .50 11 .56 5 1. 253 0. 45 19.16 42.2 0.793 0.247 1.040Source: Reprinted with ... reactions and organic interactions in soils, in Manganese in soils and plants, Graham, R.D., Hannam, R.J., and Uren, N.C., Eds., Kluwer, Dor-drecht, 1988, p. 59 .Brouwers, G.J. et al., Stimulation of...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 2 pps

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 2 pps

... 10 15 — 44 — 21 — —Mica (%) 30 20 20 15 60 11 {5} { 15} Kaolinite (%) 15 20 16 35 20 56 — —Quartz (%) 40 40 4 6 3 12 — —CaCO 3 —— — ——— 55 5 K f (Cu) 1.99 1.14 2.82 3.93 0.83 0 .55 1.29 ... stability and transportability. Settling rate experiments (Figure2.2) indicated a decline in the concentration of kaolinitic colloids remaining in suspension at pH < ;5. 5 compared to the illitic and ... Metals in Soils, Blackie Academic & Professional, London,19 95. 2. U.S. Environmental Protection Agency, Recent Developments for In situ Treatment of Metal Contaminated Soils, EPA -5 4 2-R-97–004,...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 4 docx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 4 docx

... unraveling the affinity of mineral surfaces forboth inorganic and organic species.The main effects of proton adsorption-desorption on the adsorption of metals in general and heavy metals in particular ... of basal surfaces populated with Si-O2 and Al2-OH groups and the reactivity of basal surfaces populated with Al-OH−1/2, Si-O–1,SiAl-O−1/2 and other groups. Thus, the unreactivity of ... 0.001-M electrolyte. Bars are similar in the other two cases. Data provided by J. Chorover. -1 0010203040 -2 5 -1 5 -5 5 15 25 σσσσH (mmol/Kg)∆∆∆∆q (mmol/Kg)L1623_FrameBook.book Page 95...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 8 ppsx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 8 ppsx

... mg of sample were added to 4 ml of 65% HNO3, 2 .5 ml of 32% HCl and 1 ml of 48% HF, and then heated for 5 min at 150 W and for 15 min at 350 W. For the second step the sample was cooled, and ... this point, the remainder of the chapter focuses on the combination of several analytical techniques in determining and quantifying Zn speciation in a soilcontaminated as a result of smelting operations. ... a variety of techniques, includingXRD, XAFS, and micro-focused XAFS to demonstrate that upon weathering of Zn-mineral phases in soils, Zn was taken up by the formation of Zn-containingphyllosilicates...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 9 pps

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 9 pps

... 5. 46 E-4 1.79 E-3 856 1. 15 E-4 2.28 E-3 868Sr 2.39 E-4 1.28 E -5 74.9 2.77 E-4 1.03 E -5 98.1Zn 2.37 E -5 4 .56 E -5 155 2.80 E -5 6.68 E -5 143Ni 3.17 E-6 1.42 E -5 12.8 1.17 E-6 8.09 E-6 13.7a Exchangeable ... soil.0.0E+002.0E-044.0E-046.0E-048.0E-041.0E-031.2E-031.4E-031.6E-0324 36 48 60 72 84HoursConcentration (M)Ca modelCa experimentMg modelMg experiment0.0E+001.0E- 05 2.0E- 05 3.0E- 05 4.0E- 05 5.0E- 05 6.0E- 05 7.0E- 05 24 ... G.Y., and Liu, J.C., Solubility of heavy metals in a contaminatedsoil: Effects of redox potential and pH, Water Air Soil Pollut., 90, 54 3, 1996.11. Davranche, M. and Bollinger, J., Heavy metals...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 10 ppsx

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 10 ppsx

... decreasing metalsorption in soils. In most agricultural soils with pH ranging from 5 to 8, such as soils containing larger amounts of 2:1 minerals, DOM, is mainly present in themobile form instead ... HiB HiN HoA HoB HoN Green manure 32.84 7.71 37.86 78.41 4.03 1.62 15. 93 21 .58 Rice residue 41.78 3.32 10.74 58 .55 6.89 4.80 29. 75 41. 45 Pig manure 25. 22 12.71 7.42 45. 35 44.17 3.91 6 .57 54 . 65 Peat ... immobilization in soil solution through formation of a ternary metal-DOM-soil complex. Kalbitz and Wennrich (1998) found that DOM was of minor impor-tance in the mobilization of heavy metals in soils...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 11 ppt

Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 11 ppt

... example of thin-foil analysis in the SEM, samples of the mineral standardkaolinite (<2 µm fraction, KGa-2, Source Clay Minerals Repository) were dispersedon TEM grids and analyzed using a ... separates containing layer silicates and iron and aluminum oxides, Soil Sci. Soc. Am. J., 56 , 1074, 1992. 2. Golden, D.C. and Dixon, J.B., Silicate and phosphate in uence on kaolin-iron oxideinteractions, ... particle size distribution and concentration of ground-water colloids without the necessity of altering the system during the sampling and handling processes before analysis. 25 11.2.3 L ASER...
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Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials

Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials

... easily by using one of the latest technologies – Biofast – a kind of machine for filtering liquid wastes. Biofast are outstanding because of its effectiveness and efficiency. Biofast operates ... investment in waste-treatment-systems. Research and Development projects should also be invested in to find out the best technologies for reducing abatement cost and increasing the effect and efficiency ... of Ministry of public health, up to 20 05, there were about 1047 hospitals with 140,000 sick-beds and 10,000 medical stations. Out of 2 .5 kg wastes eliminated from each sick-bed per day, 1 0-1 5% ...
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Tài liệu Báo cáo Y học: Regulated expression and intracellular localization of cystatin F in human U937 cells pptx

Tài liệu Báo cáo Y học: Regulated expression and intracellular localization of cystatin F in human U937 cells pptx

... toimmobilised mannose-6-phosphate receptor [27], indicatingthat either cystatin F contains mannose-6-phosphate or isco-localized with, and binding to, a mannose-6-phosphatecontaining protein. This favours ... proteinaseinhibitors cystatin C and kininogen. Scand. J. Clin. LaboratoryInvest 48, 57 3 58 2. 15. Bjarnadottir, M., Grubb, A. & Olafsson, I. (19 95) Promoter-mediated, dexamethasone-induced increase ... affinity to Cm-papain, stronglyindicating that the carbohydrate side chains do not affect theenzyme-binding properties of cystatin F and should, thus, not affect the inhibition of papain-like family...
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