Hazardous Child Labor in Small Scale Gold Mining in the Philippines
Sep 29, 2015 . They also process gold with mercury, a toxic metal, risking . of a legal, regulated, child labor free, small scale gold mining sector that helps .. Diving underwater for several hours in 10 meter deep shafts, miners .. This was operated on. ... Learning System, the government sends mobile teachers to bring.
From coal, a new source of rare earths
Jul 8, 2018 . Other projects involve optimizing the separation and extraction of rare . will take the plant to the ash source, whether that is a power plant, . The team is building a mobile pilot scale plant mounted on a trailer to carry out the extraction process. The plant is expected to process 0.25 metric tons per hour.Get Price