Agitation Extraction Of Gold Of Low Grade High Quality
Agitation Extraction Of Gold Of Low Grade High Quality. Multistage agitation leaching followed by elaborate solidsliquid separation is required to recover most of the gold (up to approximately 95%) in solution, in a reasonably short time (see Chapter 4). Large tonnage of a relatively highgoldcontent ore is a prerequisite for the substantial capital and operating costs required for milling.