OFR 5-89 - Alaska Resources Library & Information Services (ARLIS)

TABLE 3. Reagent additions and conditions for bulk sulfide
flotation of the three bulk samples from Ohio Creek, Alaska
IReasent addition, lb/st feed!
I Potassium i I I
Sample Number I amylxanthate I Frother I pH I Time, Min.
45 I I
Conditioning-/ 0.07 I 0.014 I 5.9 I 1
Rougher flotation ... I .. 0 O 0 | NM | 5
Conditioning ............ I 0.04 I 0.014 I 5.9 I 1
1st scavenger flotation.! 0 | 0 NM 5
Conditioning .......... 0.04 I 0 I 6.0 I 1
2nd scavenger flotation.! I NM! 5
48
I
Conditionin g/ . 1 0.08 | 0.026 | 4.6 I 1
Rougher flotation ..... .I 0 O 0.013 I NM I 8
Conditioning ............ 0.04 I 0.013 | 4.8 | 1
Scavenger flotation ..... 0 0 NM I 4.5
57 I I
Conditioning-3/ .......... 0.09 I 0.026 I 5.7 ! 1
Rougher flotation ...... 0 0 NM I 6.5
Conditioning ......... :..I 0.05 | 0.013 | 5.6 I 1.5
Scavenger flotation ..... 0 0 NM I 4
NM - Not measured.
11 Natural pH = 5.9
Y Natural pH = 4.8
-/Natural pH 5.7
15