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Page Title:
Table 5. Particle Size Analysis of Streams from the Mobile Hydrocyclone Demonstration |
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 Table 5
Particle Size Analysis of Streams from the Mobile Hydrocyclone
Demonstration
Sand
Silt
Clay
Sample
Volume % > 76.42 m
Volume % 5-76.42 m
Volume % < 5 m
Feed
F1400
26.2
55.6
18.2
F1505
23.4
59.1
17.5
F1525
33.5
49.6
16.9
F1625
26.9
55.2
17.9
F1715
30.4
52.5
17.1
Average
28.1
54.4
17.5
Overflow
O1400
15.7
61.8
22.5
O1505
11.5
68.7
19.8
O1525
22.5
57.5
20
O1625
19.7
63.8
16.5
O1715
23.9
55.9
20.2
Average
18.7
61.5
19.8
Underflow
U1400
91.36
7.02
1.62
U1505
92.12
6.56
1.32
U1525
90.23
8.05
1.72
U1625
92.52
6.08
1.4
U1715
94.31
4.43
1.26
Average
92.11
6.43
1.46
described in Appendix B. On the basis of the statistical analysis, the following
generalizations regarding concentrations in the process streams and bench-scale
samples, respectively, can be made:
a. Underflow = sand
b. Overflow = silt/clay for zinc, oil and grease, and TRPH
c. Overflow < silt/clay for all other analytes except TOC
d. Overflow > silt/clay for TOC
e. Feed = bulk for all analytes except PCB 1260
f.
Feed > bulk for PCB 1260
The statistical power of the analysis for most analytes was less than 75. The
power was greater than 75 for comparison of nickel in underflow and sand, and
for PCB 1242 in feed and bulk for the one-tailed tests. Power was also greater
than 75 for comparison of nickel and PCB 1260 in underflow and sand and for
grease, and TRPH in feed and bulk for the two-tailed tests.
24
Chapter 2 Project Description
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