Interim Report - Hanford Site

Table 8. Experimental Parameters for Polyphosphate Amendment Optimization Column Tests
Column
No.
1
2
3
4
5
6
7/11
8/12
9/13
10/14
Amendment Source
Wt% Phosphate
Source
Injection
Order Ca:P total pH Conc., M
Ortho [P] aq 0.25 1
2.2 7 1.32 Η 10 -3
Pyro [P] aq 0.25 6.58 Η 10 -4
Tripoly [P] aq 0.5
8.77 Η 10 -4
Calcium 2
1.15 Η 10 -2
Ortho [P] aq 0.25 1
2.2 7 1.97 Η 10 -3
Pyro [P] aq 0.25 9.87 Η 10 -4
Tripoly [P] aq 0.5
1.32 Η 10 -3
Calcium 2
1.74 Η 10 -2
Ortho [P] aq 0.25 1
2.2 No adj. 1.97 Η 10 -3
Pyro [P] aq 0.25 9.87 Η 10 -4
Tripoly [P] aq 0.5
1.32 Η 10 -3
Calcium 2
1.74 Η 10 -2
Ortho [P] aq 0.375 1
2.2 No adj. 2.63 Η 10 -3
Pyro [P] aq 0.25 1.32 Η 10 -3
Tripoly [P] aq 0.375
1.75 Η 10 -3
Calcium 2
2.32 Η 10 -2
Ortho [P] aq 0.25 1
1.67 No adj. 3.47 Η 10 -3
Pyro [P] aq 0.25 1.74 Η 10 -3
Tripoly [P] aq 0.5
2.32 Η 10 -3
Calcium 2
2.32 Η 10 -2
Ortho [P] aq 0.25 1
1.67 7 3.47 Η 10 -3
Pyro [P] aq 0.25 1.74 Η 10 -3
Tripoly [P] aq 0.5
2.32 Η 10 -3
Calcium 2
2.32 Η 10 -2
Ortho [P] aq 0.25 1
2.2 No adj./7 2.63 Η 10 -3
Pyro [P] aq 0.25 1.32 Η 10 -3
Tripoly [P] aq 0.5
1.75 Η 10 -3
Calcium 2
2.32 Η 10 -2
Ortho [P] aq 0.25 1
2.2 No adj./7 6.58 Η 10 -3
Pyro [P] aq 0.25 3.29 Η 10 -3
Tripoly [P] aq 0.5
4.39 Η 10 -3
Calcium 2
5.79 Η 10 -2
Ortho [P] aq 0.25 1
2.2 No. Adj/7 9.21 Η 10 -3
Pyro [P] aq 0.25 4.61 Η 10 -3
Tripoly [P] aq 0.5
6.14 Η 10 -3
Calcium 2
8.10 Η 10 -2
Ortho [P] aq 0.25 1
2.2 No Adj./7 1.32 Η 10 -2
Pyro [P] aq 0.25 6.58 Η 10 -3
Tripoly [P] aq 0.5
Calcium 2
8.77 Η 10 -3
1.16 Η 10 -1
3.10