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appropriate technology in gold extraction

Mar 01 2013 · Toxic mercury versus appropriate technology Artisanal gold miners’ retort aversion Bosse Jønsson Jesper Charles Elias Kalvig Per 20130301 000000 Mercuryusage in artisanal and smallscale gold mining ASGM has accelerated in developing countries during the last thirty years resulting in negative environmental and health impacts As awareness of mercury contamination from ASGM has

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