ENVIRONMENTAL RESTORATION of METALSCONTAMINATED SOILS - CHAPTER 4 potx

... 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 ... in soils. 41 31/frame/C 04 Page 77 Friday, July 21, 2000 4: 57 PM © 2001 by CRC Press LLC 82 Environmental Restoration of Metals–Contaminated Soils FIGUR...

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... 1000 — — — — 33.9 42 .2 28.3 73 .4 Ni 350 Ni 700 — — — — 81.2 89.6 54. 2 84. 7 Pb 1500 Pb 300 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 was not ... Page 24 Friday, July 21, 2000 4: 59 PM © 2001 by CRC Press LLC Remediation of Metal- and Radionuclides-Contaminated Soils 47 2.2.7 In Situ Redox Manipulation The manip...

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... a 4. 77 a FO ND 4. 31 a 4. 21 a 4. 06 ab 4. 66 a MO ND 4. 41 a 4. 42 a 3.66 b 4. 42 b Lime ND 4. 26 a 3. 34 c 4. 26 a 4. 45 b Phosphate ND 4. 26 a 4. 21 a 3.66 b 4. 66 a Compost ND 4. 16 a 3.77 b 3.66 b 4. 45.b Zeolite ... Control ND 4. 31 a 4. 09 a 3.75 a 4. 56 a FO ND 4. 11 b 4. 09 a 3.13 bc 4. 45 ab MO ND 4. 11 b 3.86 ab 2.92 c 4. 23 bc Lime ND 3.95 b 3 .42 c 3.13...

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... 28.9* Shoot 1 2.0 1.8 9.3 2.2 29.9 2 40 .8 5.2 13.2 4. 0 34. 9 3 39.7 4. 6 13 .4 3.8 36.2 4 43.1 3.0 13.3 3.5 36.5 5 41 .0 3.6 14. 2 4. 3 34. 9 6 41 .4 2.9 11.7 2.5 34. 4 Note: 1: control uncontaminated ... (µg/g) Chromium (µg/g) 41 31/frame/C13 Page 265 Friday, July 21, 2000 4: 48 PM © 2001 by CRC Press LLC 2 64 Environmental Restoration of Metals–Contaminated...

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... pods 33 5 30 m.d. 38 5 40 0 40 <0.1 Maize leaves 20 4 35 4 41 11 57 4 87 38 Maize cobs 27 3 40 5 37 5 43 4 47 6 1991 Sugar beet leaves a 39 5 250 42 255 47 46 3 102 46 8 169 Sugar beet roots a 33 ... 0.9 0.5 42 4. 0 5 0.8 Co 2.2 1.7 54 10 60 — Ni 9.1 8.5 44 43 80 50 Cr 27 .4 17.8 49 129 500 50 Cu 82.9 82.0 50 388 600 40 Pb 49 .5 28.0 57 232 500 50 Zn 293.6 2 34. 4...

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... 0 57.5 49 .1 849 2,912 Cadmium 9 0 4. 7 0 0.71 15 .4 Lead 0 0 0 0 323 1,270 Copper 0 4. 8 10 0 233 1,900 Iron 55.7 28,120 710 10 ,40 0 60,150 20,670 Manganese 622,200 39.2 358 44 .4 291 13 ,44 1 Calcium ... This book, Environmental Restoration of Metals-Contaminated Soils , follows earlier titles: Engineering Aspects of Metal-Waste Manage- ment , 1992, and Remediati...

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... facilities. OSWER directive No. 9355. 4- 1 2. Of ce of Emergency and Remedial Response, Washington, D.C. EPA/ 540 /F- 94/ 043 , PB9 4- 9 63282, 19 94, 17. 41 31C03/frame Page 75 Monday, July 24, 2000 3:07 PM © 2001 by ... 96 40 19 56 Sum of all fractions 768 ± 48 8 74 ± 62 4, 920 ± 170 2,985 ± 310 10,600 ± 790 9,550 ± 740 8,330 ± 550 7,800 ± 47 4 Total via single digestion 705 ±...

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... 3 74. 06a 259.94b 634a 7.90a 0.63c 0.63b 347 .60a 2 84. 40a 632a S3 4. 30d 155.52a 9.72a 140 .94b 1 84. 68c 48 6a 6.20b 67.34b 4. 81b 202.02a 206.83b 48 1a 7.30c 28.80c 4. 80b 244 .80a 201.60b 48 0a 7.70a 14. 70d ... 27.64a 41 .25a 6.60c 4. 05ab 4. 05a 4. 45ab 27.91a 40 .45 a 7.50b 3.77b 4. 61a 5.03b 28.51a 41 .93a 7.90a 3.26b 4. 07a 5.29b 28.08a 40 .7a S3 4. 30d 4. 73a 3.71a...

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... Separation 1 34 7.5 .4. 1 Vertical Column Hydroclassification 1 34 7.5 .4. 2 Spiral Classifiers 137 7.5 .4. 3 Sample Results for Vertical Column Hydroclassification 137 7.5 .4. 4 Hydrocyclones 143 7.5 .4. 5 Sample ... Treatment-Technology Demonstration Summary, EPA/ 540 /SR-93/517, 1993c. 41 31/frame/C07 Page 1 64 Friday, July 21, 2000 4: 53 PM © 2001 by CRC Press LLC Physical Separation...

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... agree- ment in one case of acetic acid removal from 0 . 4- m-length kaolinite sample. Jacobs et al. (19 94) enhanced the Shapiro and Probstein (1993) model to predict one-dimensional trans- port of ... and installation of electrodes, (2) cost of electric energy, (3) cost of enhancement agents, if nec- essary, (4) costs of any post-treatment, if necessary, and (5) fixed costs. Impac...

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