A hydrometallurgical plant for 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 {HEAD ~ Each line} of the treatment facility includes a pretreatment step, a leaching step, a solid liquid separation step, a neutralization step, {TAIL ~ a zinc removal step}, a sulfurization step and a detoxification step 
includes
A hydrometallurgical plant for 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 { HEAD ~ Each line } of the treatment facility includes a pretreatment step , a leaching step , a solid liquid separation step , a neutralization step , { TAIL ~ a zinc removal step } , a sulfurization step and a detoxification step
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