ENVIRONMENTAL RESTORATION of METALSCONTAMINATED SOILS - CHAPTER 3 pdf

... Formation of Lead Phosphate to Reduce Plant Uptake of Lead 69 3. 3 .3 Stability of Pyromorphite in Soils and under Simulated Gastric Conditions 70 3. 3.4 Full-Scale Studies 73 3.4 Conclusions 73 References ... Apatites 64 3. 2 Estimation of Lead Bioavailability Using Chemical Extractants 66 3. 3 Effects of Apatite Amendments on Lead-Contaminated Soils 67 3. 3.1 Lead Phos...

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... States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Environmental restoration of metals-contaminated soils / edited by I.K. ... This book, Environmental Restoration of Metals-Contaminated Soils , follows earlier titles: Engineering Aspects of Metal-Waste Manage- ment , 1992, and Remediation...

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... Press LLC Restoration of Selenium-Contaminated Soils 207 10 .3 Selenium Content of Seleniferous Soils Early research on Se content of seleniferous soils in the Great Plains of the United ... chemical speciation of Se in cul- tivated soils. Identification of the chemical forms of Se in soils is very difficult because of the presence of Se in small amounts and c...

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... 245 12 .3 Model System: Poly-L-Cysteine 246 12 .3. 1 Characteristics of the Cysteine Homopolymer 246 12 .3. 2 Characterization of Homogeneous PLC 247 12 .3. 3 Immobilized Poly-L-Cysteine 247 12 .3. 4 Immobilization ... Number of Sites for Cd-8HQ and Cd-PLC Complexes, pH 7.0 8-Hydroxyquinoline-CPG Poly-L-Cysteine-CPG K 1 = 10 9 – 10 11 K 1 = 1 ± 0.5 × 10 13 K 2 = 4 ± 1 × 10 8 K 2...

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... — a — — 40.6 15.9 84.4 71.7 Cu 500 Cu 1000 — — — — 33 .9 42.2 28 .3 73. 4 Ni 35 0 Ni 700 — — — — 81.2 89.6 54.2 84.7 Pb 1500 Pb 30 0 63. 7 51.7 68.6 65.6 39 .3 20 .3 36.4 36 .5 Cd 20 Cd 40 52.4 65 .3 85.7 89.5 38 .5 28.1 54.9 55.4 a Yield ... II 5 .32 5.86 6 .36 19 .3 a 17.7 b 14.6 c 44.0 a 12 .3 b 8. 23 d 26.2 a 22.8 b 22 .3 b 56.9 a 43....

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... and Discussion 79 4 .3. 1 Sorption of Metals to Soils 79 4 .3. 1.1 Sorption of Cadmium 80 4 .3. 1.2 Sorption of Mercury 82 4 .3. 1 .3 Soil Sorption Phases 87 4 .3. 2 Metal Desorption from Soils 88 4.4 Conclusions ... T Hg C w – ≡SO – []Hg[] == 4 131 /frame/C04 Page 85 Wednesday, August 9, 2000 3: 13 PM © 2001 by CRC Press LLC 88 Environmental Restoration of Metals–Contami...

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... 1 .31 a 34 7 a 415 a 282 a 39 8 a FO ND b 34 3 a 38 1 b 282 a 39 8 a MO ND b 33 0 b 38 1 b 235 c 39 8 a Lime ND b 34 3 a 38 9 b 282 a 39 8 a Phosphate ND b 34 3 a 38 1 b 275 b 39 8 a Compost ND b 33 9 ab 39 8 ... 2.92 c 4. 23 bc Lime ND 3. 95 b 3. 42 c 3. 13 bc 4.17 c Phosphate ND 3. 34 b 3. 98 ab 3. 34 b 4 .34 abc Compost ND 3. 13 b 3. 87 ab 3. 13 bc 4.56 a Zeoli...

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... 4.44a 3. 41a 23. 21a 34 .13a 7 .30 c 2.03b 4.40a 3. 72a 23. 67a 33 .82a 7.70a 2.13b 4.61a 4.25a 24.45a 35 .44a S4 4.20d 4.28a 3. 67a 2.45a 20.18a 30 .57a 6.40c 2.64b 3. 96a 3. 30a 23. 11a 33 .01a 7.60b 2.89b 3. 86a ... 6 .37 a 38 2.20a 229 .32 c 637 a 7.50b 0.63c 0.63b 37 4.06a 259.94b 634 a 7.90a 0.63c 0.63b 34 7.60a 284.40a 632 a S3 4 .30 d 155.52a 9.72a 140.94b 184.68c 486a 6...

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... Fundamentals of Physical Separation 130 7.5 .3 Sized-Based Separation 130 7.5 .3. 1 Screening 130 7.5 .3. 2 Sample Results for Size Separation of Contaminated Soil and Sediment 133 7.5.4 Gravity-Based ... Status Report 5th ed., EPA 542-R-9 3- 0 03, No. 5, prepared for the Of ce of Solid Waste and Emergency Response, U.S. Environmental Protec- tion Agency, Washington, D.C., 199...

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... 8.4 Typical bench-scale setup. 4 131 /frame/C08 Page 1 73 Wednesday, August 9, 2000 3: 06 PM © 2001 by CRC Press LLC 184 Environmental Restoration of Metals–Contaminated Soils depends upon the number of pore ... agree- ment in one case of acetic acid removal from 0.4-m-length kaolinite sample. Jacobs et al. (1994) enhanced the Shapiro and Probstein (19 93) model to predict one-d...

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