Held during the 1995 TMS Annual Meeting in Las Vegas, Nevada, February 12-16, the EPD congress is a comprehensive annual presentation of extractive and process metallurgy technology. The book brings together international researchers in extraction and process metallurgy technology for an exchange of techniques and problem-solving information. Coverage includes: general pyrometallurgy; waste treatment and minimization; precious metals; process fundamentals; recycling; additives and reagents in the electro-winning and refining of copper.