| 摘要 |
<p>A wet smelting plant for nickel oxide ore is provided in which, even when a serious trouble occurs in a processing facility, the preparation period of time of the processing facility required for discontinuing and restarting the operation can be minimized. The wet smelting plant for nickel oxide ore (20) comprises two or more series of the processing facilities, each processing facility including a step operating facility, a utility feed facility (8a), (8b), a hydrogen sulfide feed facility (10a), (10b), a flocculant feed facility (14a), (14b), and a neutralizer feed facility (12a), (12b) and is featured in that connecting installations are further provided for connecting between the utility feed facilities (8a) and (8b), between the hydrogen sulfide feed facilities (10a) and (10b), between the flocculant feed facilities (14a) and (14b), and between the neutralizer feed facilities (12a) and (12b) in order to make the delivery of utility supplies, hydrogen sulfide, flocculant, and neutralizer for mutual substitution.</p> |
