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-3 868 Sr 2. 39 E-4 1.28 E-5 74 .9 2.77 E-4 1.03 E-5 98 .1 Zn 2.37 E-5 4.56 E-5 155 2.80 E-5 6.68 E-5 143 Ni 3.17 E-6 1.42 E-5 12.8 1.17 E-6 8. 09 E-6 13.7 a Exchangeable ... G.Y., and Liu, J.C., Solubility of heavy metals in a contaminated soil: Effects of redox potential and pH, Water Air Soil Pollut., 90 , 543, 199 6. 11. Davranche...

Ngày tải lên: 11/08/2014, 10:22

... for In situ Treatment of Metal Contaminated Soils, EPA-542-R -9 7 –004, USEPA, Washington, D.C., 199 7. 3. Forstner, U., Land contamination by metals: Global scope and magnitude of problem, in Metal ... Qual., 28, 93 9, 199 9. 29. Sparks, D.L., Kinetics of metal sorption reactions, in Metal Speciation and Contam- ination of Soil, Allen, H.E. et al., Eds., Lewis Publisher...

Ngày tải lên: 11/08/2014, 10:22

... this point, the remainder of the chapter focuses on the combination of several analytical techniques in determining and quantifying Zn speciation in a soil contaminated as a result of smelting operations. ... a variety of techniques, including XRD, XAFS, and micro-focused XAFS to demonstrate that upon weathering of Zn-mineral phases in soils, Zn was taken up by the form...

Ngày tải lên: 11/08/2014, 10:22

... Al and other trace metals) and organic and inorganic pollutants in soils (Qualls and Haines, 199 1; McCarthy and Zachara, 198 9; Kaiser and Zech, 199 8; Berggren et al., 199 0; Maxin and Kögel-Knabner, ... 0 .97 6 0 .99 5 0 .99 1 0 .94 2 0 .93 0 0 .95 8 Zn k 3.86 1.84 1227 89. 7 1/n 0 .98 1.05 0.42 0.72 R 2 0 .95 0 0 .97 8 0 .98 4 0 .99 7 Cd k 22.2 9. 54 1384...

Ngày tải lên: 11/08/2014, 10:22

... unraveling the affinity of mineral surfaces for both inorganic and organic species. The main effects of proton adsorption-desorption on the adsorption of metals in general and heavy metals in particular ... organization of Na- and K-montmorillonite suspen- sions in response to osmotic and thermal stresses, Clays Clay Miner., 46, 636, 199 8. 10. Derrindinger, L. and...

Ngày tải lên: 11/08/2014, 10:22

... D., and Apitz, S.E., Ab initio calculation of aqueous aluminum and aluminum-carboxylate NMR chemical shifts, J. Phys. Chem. A, 103, 90 3, 199 9. 68. Schulten, H.R. and Schnitzer, M., Three-dimensional ... constraints of marine deposit feeders: Gut retention time and dissolved amino acids, Mar. Ecol Prog. Ser., 176, 1 39, 199 9. 88. Chen, Z. et al., High concentrations of comple...

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... crystalline and of mixed oxidation state (Hem and Lind, 198 3; Murray et al., 198 5; Adams and Ghiorse, 198 8; Wehrli et al., 199 2; Mandernack et al., 199 5; Mandernack et al., 199 5). Investigations using ... that have well-established metal binding properties (Lion et al., 198 8; Pradhan and Levine, 199 2; Herman et al., 199 5; Nelson et al., 199 5). However, depending on the t...

Ngày tải lên: 11/08/2014, 10:22

... spectra. 93 ,94 ,96 As an example of thin-foil analysis in the SEM, samples of the mineral standard kaolinite (<2 µm fraction, KGa-2, Source Clay Minerals Repository) were dispersed on TEM grids and ... 56, 1074, 199 2. 2. Golden, D.C. and Dixon, J.B., Silicate and phosphate in uence on kaolin-iron oxide interactions, Soil Sci. Soc. Am. J., 49, 1568, 198 5. 3. Anderson, P.R...

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... 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...

Ngày tải lên: 23/09/2012, 15:38

... Reactivity and Transport of Heavy Metals in Soils. CRC Press, Boca Raton, FL. Selim, H.M., M.C. Amacher, and I.K. Iskandar. 199 0. Modeling the transport of heavy metals in soils. CRREL-Monograph 9 0-2 , ... amended contaminated soils (Chen et al., 199 7; Eighmy et al., 199 7; Laperche et al., 199 7; Ma et al., 199 3, 199 5; Ma and Rao, 199 7; Zhang and Ry...

Ngày tải lên: 12/08/2014, 02:20