In view of the problems of the above conventional technology, it is an object of the present invention to provide, in a hydrometallurgical plant of a nickel laterite ore, having a plurality of lines of {TAIL ~ treatment facilities}, {HEAD ~ the hydrometallurgical plant} of the nickel laterite ore which is, even when the serious trouble will occur, capable of minimizing decrease in throughput caused by this, and restoring a normal operation state early, after eliminating the serious trouble, and an operation method thereof 
In view of the problems of the above conventional technology , it is an object of the present invention to provide , in a hydrometallurgical plant of a nickel laterite ore , having a plurality of lines of { TAIL ~ treatment facilities } , { HEAD ~ the hydrometallurgical plant } of the nickel laterite ore which is , even when the serious trouble will occur , capable of minimizing decrease in throughput caused by this , and restoring a normal operation state early , after eliminating the serious trouble , and an operation method thereof
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