ENVIRONMENTAL RESTORATION of METALSCONTAMINATED SOILS - CHAPTER 6 ppt

... 102.10a 6. 38a 299.86b 229 .68 c 63 8a 6. 60c 19.10b 6. 37a 382.20a 229.32c 63 7a 7.50b 0 .63 c 0 .63 b 374.06a 259.94b 63 4a 7.90a 0 .63 c 0 .63 b 347 .60 a 284.40a 63 2a S3 4.30d 155.52a 9.72a 140.94b 184 .68 c 486a 6. 20b ... 4 .67 a 2.92a 1.75a 19.85a 29.19a 6. 60c 3.39a 3.39a 2.26a 19.22a 28.26a 7.50b 3.54a 3.54a 2.07a 20.35a 29.5a 8.20a 3 .60 a 3 .60 a 2.40a 20.40a 30.00a S2 4...

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... under Irrigation No. of Years Irrigated 2-1 , S-2, S-3 Tlaxcoapan Lagunilla 1912 87 2-4 , S-5 Tlahualilpan Tepatepec 1912 87 2 -6 , S-7, S-8 Mixquiahuala Progreso 1920 79 S-9, S-10 Tepatepec Tepatepec 1954 35 S-11 ... M ) 6. 0 2. 56 2.11 2.90 7.0 a 2.17 7.57 2.44 8.4 1.99 8. 26 2.49 DTPA (0.005 M ) 6. 0 1.02 1.24 2.80 7.3 a 1.14 1. 86 0 .66 8.4 1.00 2.32 0 .6...

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... Department of Army Corps of Engineers, DACW 7 3-7 3-C-00 26 (Report), 70, 1972. Lipman, C.B. and G. Mackinney, Proof of essential nature of copper for higher green plants, Plant Physiol. , 6, 593, ... PM © 2001 by CRC Press LLC 234 Environmental Restoration of Metals–Contaminated Soils natural Pb concentration of air is caused by erosion of Pb-containing soil...

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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. Iskandar. p. ... This book, Environmental Restoration of Metals-Contaminated Soils , follows earlier titles: Engineering Aspects of Metal-Waste Manage- ment , 1992, and...

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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 obtained ... Treated Control 0 .6 0.11 a 0. 06 a 0.08 a 1 4.1 0. 96 0.32 0.18 0. 06 0.39 0.18 2 5.1 0. 46 0.23 0.14 0.05 0. 26 0.13 3 9.4 0.77 0.47 0.25 0.09 1.28 0.42 5 7.4 1....

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... 2.3 g of hydroxylapatite, (▼) 6 g of hydroxypyromorphite + 4 .6 g of hydroxylapatite, (■) 6 g of hydroxypyromorphite + 3 g of fine ground phosphate rock, (◆) 6 g of hydroxypyromorphite + 6 g of fine ... 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 Pho...

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... focus of this summary is on the com- bined effects of major environmental variables on metal sorption and desorption. Sorption of eight metal species on soils are compared. The effects of soil ... Sorption of Metals to Soils As expected, sorption of metals on soils was highly pH-dependent. The response of metal sorption to the pH change depended on both soil properties...

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... Council of Repub- lic of China (Grants no. NSC8 5-2 62 1-P-00 2-0 04 and NSC8 6- 2 62 1-P-00 2-0 06) . References Adriano, D.C., Trace Elements in the Terrestrial Environment , Springer-Verlag, ... 4. 46 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...

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... remediate 20,000 tons of contaminated soils using a 10-ton-per-hour (tph) soil washer was estimated at $1 36. 67 per ton when the sys- tem was online 90% of the time. A breakdown of project component ... the University of Mississippi to separate several metals-contaminated soils on behalf of the U.S. Army Corps of Engineers (Williford et al., 1997). Figure 7.18 shows the overh...

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... Press LLC 1 76 Environmental Restoration of Metals–Contaminated Soils 8 .6 Field Demonstrations Several field demonstrations of electrokinetic remediation are being conducted by Electro- kinetics, ... extraction of contaminants from soil, Can. Geotech. J., 32(4), 569 , 1995. Yeung, A.T., C. Hsu, and R.M. Menon, EDTA-enhanced electrokinetic extraction of lead, ASCE J. Geotech....

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