| 摘要 |
Mercury and caustic values are recovered from caustic sludges in a process which comprises intermixing the caustic sludge with a liquid under pressure or agitation to produce a caustic slurry which is separated into a caustic liquor, metallic mercury and a remaining sludge which is suitable for roasting in a retort to recover better than 99 percent of the mercury in the sludge.
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