Geosynthetics October/November 2019 - 11

REFERENCES

CAPP

NAPP

All

La

41.4

38.4

39.9

Ce

97.1

95.0

96.0

Pr

14.4

14.0

14.2

Nd

66.5

64.5

65.5

Sm

18.2

17.6

17.9

Eu

4.4

4.5

4.4

Sc

12.8

14.9

13.8

Y

88.6

108.7

98.7

Gd

23.9

24.3

24.1

U.S. Department of Energy. (2015). A brief history of coal
mining in the US.

Tb

3.4

3.7

3.6

Ziemkiewicz, P. I., Xingbo, L., and Noble, A. (2018a).
"Rare earth elements in Appalachian Basin acid mine
drainage." Project Summary Final Report.

Dy

18.8

20.7

19.8

Ho

3.5

4.0

3.8

Dowling, B., and Mills, C. (2013). "Natural acid rock
drainage and its impact upon metal concentrations."
InfoMine.com.
Ferguson, K. D., and Morin, K. A. (1991). "Prediction of
acid rock drainage." Proc., 2nd Int. Conf. on Abatement of
Acidic Drainage. Montreal, Quebec.
Humphries, M. (2013). "Rare earth elements: The global
supply chain." Congressional Research Service.
Kaye, P. K. (2006). "Successful dewatering of acid
mine drainage materials." Proc., 7th Conf. on Acid Rock
Drainage. Lexington, Ky.

Ziemkiewicz, P. I., Xingbo, L., and Noble, A. (2018b).
"Recovery of rare earth elements from coal mine
drainage." Proc., National Energy Technology Lab Conf.,
Washington, D.C. G

CAPP vs. NAPP
Little difference
between REE
distribution
or total
concentration
(g/t)
Sites sampled
CAPP 42
NAPP 110

Er

9.1

10.7

9.9

Tm

1.0

1.4

1.2

Yb

6.7

8.1

7.4

Lu

0.9

1.2

1.0

TREE

410.6

431.6

421.1

TABLE 1 REE
grams per ton
of solids in AMD

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11


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Geosynthetics October/November 2019

Table of Contents for the Digital Edition of Geosynthetics October/November 2019

Geosynthetics October/November 2019 - Cover1
Geosynthetics October/November 2019 - Cover2
Geosynthetics October/November 2019 - 1
Geosynthetics October/November 2019 - 2
Geosynthetics October/November 2019 - 3
Geosynthetics October/November 2019 - 4
Geosynthetics October/November 2019 - 5
Geosynthetics October/November 2019 - 6
Geosynthetics October/November 2019 - 7
Geosynthetics October/November 2019 - 8
Geosynthetics October/November 2019 - 9
Geosynthetics October/November 2019 - 10
Geosynthetics October/November 2019 - 11
Geosynthetics October/November 2019 - 12
Geosynthetics October/November 2019 - 13
Geosynthetics October/November 2019 - 14
Geosynthetics October/November 2019 - 15
Geosynthetics October/November 2019 - 16
Geosynthetics October/November 2019 - 17
Geosynthetics October/November 2019 - 18
Geosynthetics October/November 2019 - 19
Geosynthetics October/November 2019 - 20
Geosynthetics October/November 2019 - 21
Geosynthetics October/November 2019 - 22
Geosynthetics October/November 2019 - 23
Geosynthetics October/November 2019 - 24
Geosynthetics October/November 2019 - 25
Geosynthetics October/November 2019 - 26
Geosynthetics October/November 2019 - 27
Geosynthetics October/November 2019 - 28
Geosynthetics October/November 2019 - 29
Geosynthetics October/November 2019 - 30
Geosynthetics October/November 2019 - 31
Geosynthetics October/November 2019 - 32
Geosynthetics October/November 2019 - 33
Geosynthetics October/November 2019 - 34
Geosynthetics October/November 2019 - 35
Geosynthetics October/November 2019 - 36
Geosynthetics October/November 2019 - 37
Geosynthetics October/November 2019 - 38
Geosynthetics October/November 2019 - 39
Geosynthetics October/November 2019 - 40
Geosynthetics October/November 2019 - 41
Geosynthetics October/November 2019 - 42
Geosynthetics October/November 2019 - 43
Geosynthetics October/November 2019 - 44
Geosynthetics October/November 2019 - 45
Geosynthetics October/November 2019 - 46
Geosynthetics October/November 2019 - 47
Geosynthetics October/November 2019 - 48
Geosynthetics October/November 2019 - 49
Geosynthetics October/November 2019 - 50
Geosynthetics October/November 2019 - 51
Geosynthetics October/November 2019 - 52
Geosynthetics October/November 2019 - 53
Geosynthetics October/November 2019 - 54
Geosynthetics October/November 2019 - 55
Geosynthetics October/November 2019 - 56
Geosynthetics October/November 2019 - Cover3
Geosynthetics October/November 2019 - Cover4
Geosynthetics October/November 2019 - Blank1
Geosynthetics October/November 2019 - GeoConf20_1
Geosynthetics October/November 2019 - GeoConf20_2
Geosynthetics October/November 2019 - GeoConf20_4
Geosynthetics October/November 2019 - GeoConf20_5
Geosynthetics October/November 2019 - GeoConf20_6
Geosynthetics October/November 2019 - GeoConf20_7
Geosynthetics October/November 2019 - GeoConf20_3
Geosynthetics October/November 2019 - GeoConf20_8
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