25% LIX

1
Process Equipment Flow-Diagram - SX-EW
SCRUB A
SCRUB B
Ni STRIP
EXTRACTION
E5
E1
E3
E4
E6
E2
NS 3-7
NS 2
NS 8
SB 2
NS 1
SA 1
SA 2
SB 1
F5
F1
P2
P5
P10
P1
OAC
RAFFINATE
LEACH LIQUOR
SCRUBBED A
SCRUB A
SCRUBBED B
SCRUB B
25 LIX
OA
NSE
WASHING B
NPS
Cu - REMOVAL
Cu STRIP B
WASHING A
Cu Strip A
WA 1
CB 2
WB 1
CA 1
CA 2
CA 3
CR 1
CR 2
CR 3
CR 4
CB 1
TO OA
TO OB
F12
CPS
NPS
P14
CPS
P13
F9
F10
P6
CARBON COLUMN
F7
P12
F11
P9
WA
P11
P7
CARBON COLUMN
FP
OB
NPE1
NPE2
WB
CSE
CPE 1
CPE 2
F8
FP
H
-
H


-

P8

-

-

P15
RN
Cu-EW
AM1
RC
V1
CPE 3
AM2
V2
NPE3
Ni-EW
P16
Drawing No. NML/DOD/EQ/F- SX-EW
(Sea Nodule Processing Plant, NML)
2

• LEGEND
• O - ORGANIC, A 25 LIX, B-10 LIX
• F FLOWMETER
• pH pH METER
• P PUMP
• V VOLTMETER
• AM AMPERE METER
• R RECTIFIER
• N NICKEL
• C COPPER
• EW ELECTROWINNING
• PS PREGNANT SOLUTION
• PE1,2,3 PREGNANT ELECTROLYTE
• SE SPENT ELECTROLYTE
• W WASHING
• LS LEVEL SENSOR
• H HEATER WITH TEMPERATURE CONTROLLER
• FP FILTER PRESS
• SX-EW SOLVENT EXTRACTION ELECTROWINNING