{HEAD ~ A hydrometallurgical plant} for {TAIL ~ nickel laterite} ore extraction having a plurality of treatment facility lines wherein the plant is capable of minimizing a decrease in throughput when line failure occurs and efficiently restoring normal operation status Each line of the treatment facility includes a pretreatment step, a leaching step, a solid liquid separation step, a neutralization step, a zinc removal step, a sulfurization step and a detoxification step 
for
{ HEAD ~ A hydrometallurgical plant } for { TAIL ~ nickel laterite } ore extraction having a plurality of treatment facility lines wherein the plant is capable of minimizing a decrease in throughput when line failure occurs and efficiently restoring normal operation status Each line of the treatment facility includes a pretreatment step , a leaching step , a solid liquid separation step , a neutralization step , a zinc removal step , a sulfurization step and a detoxification step
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