Understanding Variation in Partition Coefficient, Kd, Values Volume II

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LIST OF TABLES Table 5.1. Estimated mean composition of river water of the world from Hem (1985) . ..... 5.3 Table 5.2. Concentrations of contaminants used in the aqueous species distribution calculations. ............................................. 5.4 Table 5.3. Cadmium aqueous species included in the speciation calculations . ............ 5.6 Table 5.4. Estimated range of K d values for cadmium as a function of pH. .............. 5.11 Table 5.5. Estimated range of K d values (ml/g) for cesium based on CEC or clay content for systems containing
Table 5.16. Uranium(VI) aqueous species included in the speciation calculations. ........ 5.69 Table 5.17. Look-up table for estimated range of K d values for uranium based on pH ..... 5.75 Table 5.18. Selected chemical and transport properties of the contaminants. ............ 5.78 Table 5.19. Distribution of dominant contaminant species at 3 pH values for an oxidizing water described in Tables 5.1 and 5.2. . ............. 5.79 Table 5.20. Some of the more important aqueous- and solid-phase parameters affecting contaminant sorption ...................................... 5.81 Table C.1. Descriptive statistics of the cadmium K d data set for soils ................... C.3 Table C.2. Correlation coefficients (r) of the cadmium K d data set for soils .............. C.4 Table C.3. Look-up table for estimated range of K d values for cadmium based on pH ...... C.5 Table C.4. Cadmium K d data set for soils. ........................................C.6 Table D.1. Descriptive statistics of cesium K d data set including soil and pure mineral phases. .........................................D.3 Table D.2. Descriptive statistics of data set including soils only. ...................... D.4 Table D.3. Correlation coefficients (r) of the cesium K d value data set that included soils and pure mineral phases. .................................D.6 Table D.4. Correlation coefficients (r) of the soil-only data set. .......................D.6 Table D.5. Effect of mineralogy on cesium exchange. ...............................D.9 Table D.6 Cesium K d values measured on mica (Fithian illite) via adsorption and desorption experiments. .........................................D.10 Table D.7. Approximate upper limits of linear range of adsorption isotherms on various solid phases. ...............................................D.11 Table D.8. Fruendlich equations identified in literature for cesium. ................... D.13 Table D.9. Descriptive statistics of the cesium Freundlich equations (Table D.8) reported in the literature. ............................................D.15 Table D.10. Estimated range of K d values (ml/g) for cesium based on CEC xvi
Page 1 and 2: United States Office of Air and Rad
Page 3 and 4: NOTICE The following two-volume rep
Page 5 and 6: This publication is the result of a
Page 7 and 8: TO COMMENT ON THIS GUIDE OR PROVIDE
Page 9 and 10: CONTENTS NOTICE ...................
Page 11 and 12: 5.6 Plutonium Geochemistry and K d
Page 13 and 14: Appendix C - Partition Coefficients
Page 15: Figure E.1. Variation of K d for Cr
Page 19 and 20: Table H.4. Look-up table for estima
Page 21 and 22: 1.0 Introduction The objective of t
Page 23 and 24: eviewed. The main focus of Volume I
Page 25 and 26: 2.0 The Kd Model The simplest and m
Page 27 and 28: no longer be used to perform the in
Page 29 and 30: of the velocity of the contaminant
Page 31 and 32: An increasing body of evidence indi
Page 33 and 34: contaminants of interest and the as
Page 35 and 36: dissolved gases and complexing liga
Page 37 and 38: Element Table 5.2. Concentrations o
Page 39 and 40: 5.6
Page 41 and 42: 5.8
Page 43 and 44: 5.2.4 Dissolution/Precipitation/Cop
Page 45 and 46: 1980). In contrast, zinc almost com
Page 47 and 48: 5.2.6.2.2 Limits of K d Values with
Page 49 and 50: 5.3 Cesium Geochemistry and K d Val
Page 51 and 52: Cesium may also adsorb to iron oxid
Page 53 and 54: Table 5.5. Estimated range of K d v
Page 55 and 56: ore processing, plating operations,
Page 57 and 58: elow the isoelectric point, the min
Page 59 and 60: Among all available data for Cr(VI)
Page 61 and 62: 5.5 Lead Geochemistry and K d Value
Page 63 and 64: on dissolution/precipitation of lea
Page 65 and 66: Percent Distribution 100 80 60 40 2
Page 67 and 68:
A number of studies have confirmed
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Solid organic matter such as humic
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Plutonium is produced by fissioning
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The pe is related to Eh by the equa
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Table 5.10. Plutonium aqueous speci
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5.6.5 Sorption/Desorption Plutonium
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conditions depended on the colloida
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5.6.6.2.2 Limits of K d Values with
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present in vadose zone pore water w
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There is little tendency for stront
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strontium partitions from the disso
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greater than about 10 -4 M, humic s
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Table 5.13. Look-up table for estim
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1976; Cotton and Wilkinson, 1980).
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Table 5.14. Thorium aqueous species
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Figure 5.5 changes slightly in the
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to less than 10 -9 mol/l (0.0002 mg
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Based on the assumptions and limita
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5.10 Tritium Geochemistry And K d V
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Uranium(VI) species dominate in oxi
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most natural waters. For waters ass
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U(IV) mineral, is a primary mineral
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Percent Distribution 100 80 60 40 2
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5.11.6 Partition Coefficient, K d ,
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strong anionic carbonato complexes.
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Elemen t Table 5.18. Selected chemi
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Another objective of this report is
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6.0 REFERENCES Adriano, D. C. 1992.
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Billon, A. 1982. “Fixation D’el
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Chisholm-Brause, C., S. D. Conradso
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EPA/DOE/NRC (Cooperative Effort by
Page 129 and 130:
Griffin, R. A., and N. F. Shimp. 19
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+ Keeney-Kennicutt, W. L., and J. W
Page 133 and 134:
McBride, M. B. 1980. “Chemisorpti
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Östhols, E. 1995. “Thorium Sorpt
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Rhoads, K., B. N. Bjornstad, R. E.
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Schwertmann, U., and R. M. Taylor.
Page 141 and 142:
Tanner, A. B., 1980. “Radon Migra
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Zimdahl, R. L., and J. J. Hassett.
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APPENDIX A Acronyms, Abbreviations,
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PC Personal computers operating und
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A.3.0 List of Symbols and Notation
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APPENDIX B Definitions
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Cation Exchange - reversible adsorp
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subbituminous coal. Marl - an earth
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APPENDIX C Partition Coefficients F
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Mean Standard Error Table C.1. Desc
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Figure C.1. Relation between cadmiu
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Cd K d (ml/g) Clay Cont. (wt%) pH C
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APPENDIX D Partition Coefficients F
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Two separate data sets were compile
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The soil-only data set was frequent
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The high correlations between mica
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D.2.4 Cesium Adsorption onto Mica-L
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Table D.7. Approximate upper limits
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Table D.8. Freundlich equations ide
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Table D.9. Descriptive statistics o
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D.2.6 Approach to Selecting K d Val
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Mica Concentration in Clay Fraction
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Cesium Kd (ml/g) 15200 8440 143 73
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Cesium Kd (ml/g) Clay (wt.%) Mica (
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Cesium Kd (ml/g) Clay (wt.%) Mica (
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D.4.0 Data Set for Soils Table D.14
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Cesium K d (ml/g) Clay (wt%) Mica (
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Li, Y., L. Burkhardt, M. Buchholtz,
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APPENDIX E Partition Coefficients F
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Windsor, and Olivier soils with pH
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Table E.1. Summary of K d values fo
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E.2.0 Approach The approach used to
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Table E.3. Estimated range of K d v
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Table E.4. Data from Rai et al. (19
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E.4.0 References Davis, J. A. and J
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APPENDIX F Partition Coefficients F
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(CEC) of the soils. Such an anomaly
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Table F.1. Summary of K d values fo
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Figure F.2. Variation of K d as a f
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F.4.0 References Abd-Elfattah, A.,
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APPENDIX G Partition Coefficients F
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influenced significantly by the typ
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The Pu(IV) and Pu(V) adsorption dat
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that Pu(IV) adsorption on soils wou
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Table G.1. Plutonium adsorption dat
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KD PH CEC EC DCARB Figure G.1. Scat
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Figure G.2. Variation of K d for pl
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Delegard, C. H. , G. S. Barney, and
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Seattle, Washington, pp. 291-497. B
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H.1.0 Background Appendix H Partiti
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H.2.0 Approach and Regression Model
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strontium K d values, which are cle
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Table H.3. Simple and multiple regr
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Table H.4. Look-up table for estima
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H.3.0 K d Data Set for Soils Table
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Sr K d (ml/g) Clay Content (%) pH C
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H.4.0 K d Data Set for Pure Mineral
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Page 265 and 266:
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H.5.0 References Adeleye, S. A., P.
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Satmark, B., and Y. Albinsson. 1991
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I.1.0 BACKGROUND Appendix I Partiti
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Table I.2. Correlation coefficients
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The regression equation between the
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I.3.0 K d Data Set for Soils Figure
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I.5.0 References Ames, L. L., and D
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APPENDIX J Partition Coefficients F
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J.2.1 Sources of Error and Variabil
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Erikson et al. (1993) determined th
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26.1 wt.% plagioclase feldspar, and
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Kd (ml/g) 100,000 10,000 1,000 100
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Sheppard and Thibault (1988) invest
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Warnecke et al. (1986) present an o
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Borovec (1981) investigated the ads
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Table J.2. Uranium K d values liste
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J.3.0 Approach in Developing K d Lo
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at any pH. These estimated K d valu
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The minimum and maximum K d values
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ehavior associated with disposal of
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accompanied by unreacted zeolite. T
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pH Table J.5. Uranium K d values se
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pH U Kd (ml/g) Clay Cont. (wt.%) CE
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pH U Kd (ml/g) 6.90 1,739,87 7 6.90
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J.6.0 References Ames, L. L., J. E.
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Erikson, R. L., C. J. Hostetler, R.
Page 337 and 338:
Lindenmeier, C. W., R. J. Serne, J.
Page 339 and 340:
Sheppard, M. I., and D. H. Thibault
Page 341:
Zachara, J. M., C. C. Ainsworth, J.
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Understanding Variation in Partition Coefficient, Kd, Values Volume II

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