Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 2 pps
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 2 pps
... 2. 1 Introduction 2. 2 Case Study 1 2. 2.1 Metal Solutions and Colloid Suspensions 2. 2 .2 Soil Monoliths 2. 2.3 Leaching Experiments 2. 2.4 Eluent Characterization 2. 2.5 Colloid Elution 2. 2.6 ... for In situ Treatment of Metal Contaminated Soils, EPA-5 4 2- R-97–004, USEPA, Washington, D.C., 1997. 3. Forstner, U., Land contamination by metals: Global scope and magnitude...
Ngày tải lên: 11/08/2014, 10:22
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 8 ppsx
... 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. ... < ;2 mm 60 33 10 103 27 .1 Subsurface soil, < ;2 µm35 626 103 26 .7 Subsurface soil, nodules 34 26 11 33 104 27 .0 Sediment sample 22 72 12 106 26 .6 Micro E...
Ngày tải lên: 11/08/2014, 10:22
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 ... sorption and release of heavy metals in soils, in Heavy Metals Release in Soils, Selim, H.M. and Sparks, D.L., Eds., CRC Press, Boca Raton, FL, 20 01...
Ngày tải lên: 11/08/2014, 10:22
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 10 ppsx
... pointed out that the HiB fraction mainly consisted of the N-containing group, including most amino acids, amino sugar, low-molecular-weight amines, and pyri- dine, while the HiA fraction contained ... − 1 (C-N stretch in amino acid and C-O stretch in polysac- charides and carboxyl); and a sharp peak at 620 to 700 cm − 1 ( C-H bending in aromatic ring or C-H deform...
Ngày tải lên: 11/08/2014, 10:22
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 4 docx
... 1 1 −19.8 Si-O 1 1 0 3 −0.4 7. 92 Si-OH 1 1 1 2 0 .2 −4.0 Al-O 0.5 1 0 2 −1.1 21 .8 Al-OH 0.5 1 1 1 −0.5 9.9 Al 2 -O 0.5 2 0 1 (2) −0.8 (−0.6) 15.8 (11.9) Al 2 -OH 0.5 2 1 0 (1) −0 .2 (0) 4.0 (0.0) IV Si VI Al-O ... unraveling the affinity of mineral surfaces for both inorganic and organic species. The main effects of proton adsorption-desorption on the adsorption of m...
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Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 5 pptx
... 1393 1475 1 426 1493 1 425 1363 129 1 1319 1314 1310 129 2 124 8 124 4 13 62 1360 129 8 128 1 1475 1360 1170 1 126 128 4 125 1 127 5 1161 122 0 120 7 1301 1307 129 1 126 1 1375 129 3 1160 1108 121 2 1164 1175 1116 ... Am. Chem., 22 4:0 1 2- Geoc, 20 02. L1 623 _FrameBook.book Page 126 Thursday, February 20 , 20 03 9:36 AM © 20 03 by CRC Press LLC the rate of mineral weathering....
Ngày tải lên: 11/08/2014, 10:22
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 7 pptx
... (µµ µµ M Pb) 0. 025 0.1 42 0.75 22 .18 29 .4 0.080 0.130 0 .21 0 0.069 0.451 0.77 22 .93 29 .6 0 .20 4 0 .22 7 0.4 32 0.157 0. 823 0.87 23 .27 26 .9 0.3 82 0. 326 0.708 0.880 1 .21 4 0.73 21 .19 29 .0 0.775 0.338 ... 24 .22 22 .0 0.047 0.119 0.166 0.164 0 .24 2 0.00 13.57 — 0 .23 0 0.000 0 .23 0 0 .27 5 0.600 0. 42 18.99 45.4 0.438 0 .21 7 0.655 0.678 1.669 1.07 27 .40 25 .7...
Ngày tải lên: 11/08/2014, 10:22
Geochemical and Hydrological Reactivity of Heavy Metals in Soils - Chapter 11 ppt
... 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 analyzed using a ... used I mN sc p () θ λ ∝ 2 4 I sc ∝ α 2 απε = − + 4 1 2 3 2 2 o r n n L1 623 _FrameBook.book Page 27 6 Thursday, February 20 , 20 03 9:36 AM © 20 03 by CRC Press...
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Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials
... wastes in Vietnam Public economics Table of Contents What is medical waste 2 Definition of medical wastes 2 Definition according to Wikipedia 2 Definition according to Ministry of Public ... 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 increas...
Ngày tải lên: 23/09/2012, 15:38
Heavy Metals Release in Soils - Chapter 4 ppsx
... transport in contaminated mine tailings following liming. J. Environ. Qual. 26 :43 3-4 39. Jurinak, J.J. and J. Santillian-Medrano. 1974. The chemistry and transport of lead and cad- mium in soils. ... Pollut. 93 :24 3 -2 54. Pierzynski, G.M. and A.P. Schwab. 1993. Bioavailability of zinc, cadmium, and lead in a metal-contaminated alluvial soil. J. Environ. Qual. 22...
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