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EN Process Performance


A review of experiments that show the effect of agitation, loading and stabilizer level...

By Matthew J. Sisti and Jean LaPlante
Sirius Technology, Inc.
Oriskany, NY


TABLE VIII—Ascending Sort of Pitting Data
Exp.


65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Stabilizer
level (ppm)


0.1
0.6
0.1
0.6
0.3
0.6
0.1
0.1
0.1
0.1
0.1
0.1
1.0
0.3
0.3
0.3
0.1
0.3
0.3
0.3
1.0
0.1
0.1
0.1
0.3
0.3
0.6
0.3
0.6
0.6
0.3
0.3
0.6
0.3
0.1
0.6
0.1
0.1
0.3
0.6
1.0
0.6
1.0
0.1
0.6
1.0
0.3
0.6
1.0
1.0
0.6
1.0
1.0
1.0
1.0
1.0
0.3
0.6
0.6
1.0
0.6
1.0
1.0
1.0
Workload
(sq ft/gal)


0.4
1.0
0.4
1.0
1.0
1.0
1.0
0.05
0.1
0.1
0.1
1.0
1.0
0.4
0.4
0.4
1.0
0.1
0.1
0.1
1.0
0.4
0.4
0.1
0.4
1.0
1.0
1.0
0.4
1.0
0.05
0.05
0.1
0.05
0.05
0.4
0.05
0.05
0.1
0.4
0.4
0.1
1.0
1.0
0.05
0.1
0.05
0.05
0.4
0.05
0.1
0.1
0.1
0.4
0.05
0.1
0.1
0.05
0.05
0.4
0.4
1.0
0.05
0.05
Agitation


moderate
moderate nitrogen
excessive
moderate air
excessive
excessive
excessive
excessive
moderate
excessive
moderate nitrogen
moderate nitrogen
moderate air
moderate nitrogen
excessive
moderate air
moderate air
moderate air
moderate nitrogen
moderate air
moderate nitrogen
moderate air
moderate nitrogen
moderate air
moderate
moderate nitrogen
moderate
moderate
moderate nitrogen
moderate nitrogen
moderate nitrogen
excessive
moderate air
moderate air
moderate nitrogen
moderate air
moderate air
moderate
moderate
moderate
moderate
excessive
moderate
moderate
moderate air
moderate nitrogen
moderate
moderate nitrogen
excessive
moderate nitrogen
moderate
moderate
moderate air
moderate air
moderate air
excessive
excessive
moderate
excessive
moderate nitrogen
excessive
excessive
excessive
moderate
Pores


0
11
16
32
59
83
100
100
9
12
16
35
200
15
16
16
21
57
62
100
190
10
11
12
13
79
100
36
63
200
23
100
200
65
6
200
4
6
20
20
25
140
190
13
22
150
36
42
30
100
100
135
100
165
100
140
175
200
200
200
300
135
300
400
Pits


0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
4
4
5
5
5
6
6
6
10
12
12
15
15
15
21
24
25
29
30
35
35
39
40
45
48
50
50
65
70
98
100
100
100
100
100
100
150
200
300
Comments


(C2)
slight step plating
edge pullback
step plating
frosted deposit
step plating

very rough deposit
rough deposit
rough deposit, bad plate-out


slight edge pullback
(E2)
edge pullback (E3)
(E4)




slight edge pullback



(C1,D1,E1)


(D4)


slight edge pullback
edge pullback

slight edge pullback


light plate-out
light plate-out
(D3)
edge pullback (C3)
edge pullback (C4)
severe edge pullback



edge pullback
edge pullback (D2)
slight edge pullback
edge pullback, step plating
moderate rust, edge pullback
severe edge pullback
severe edge pullback
edge pullback
edge pullback
edge pullback
severe edge pullback
pitting and edge pullback
pitting and edge pullback
pitting and edge pullback
slight edge pullback
edge pullback
severe edge pullback
severe edge pullback, step plating
edge pullback, pitting and porosity


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