A subfield of extractive metallurgy is pyrometallurgy. It entails heating minerals, metallurgical ores, and concentrates to cause physical and chemical changes in the materials that allow for the recovery of precious metals. Pyrometallurgical processing can result in products that can be marketed, such as pure metals, intermediate compounds, or alloys that are good feedstock for more processing. The oxides of less reactive elements including iron, copper, zinc, chromium, tin, and manganese are examples of elements that may be recovered by pyrometallurgical methods. Calcinating, roasting, smelting, and refining are the broad categories into which pyrometallurgical operations fall. Energy is needed to maintain the temperature for the majority of pyrometallurgical operations. The energy is often produced by burning. In most cases, the energy comes from electrical heat or combustion. The process is said to as "autogenous" when there is enough material in the feed to maintain the process temperature purely by exothermic reaction (i.e., without the input of fuel or electrical heat). Some sulphide ores' processing makes use of the combustion's exothermicity.
Ephraim Suhir
Portland State University, United States
Thomas J Webster
Interstellar Therapeutics, United States
Robert Buenker
University of Wuppertal, Germany
Will Skene
Montreal University, Canada
Valeriy A Buryachenko
Micromechanics & Composites LLC, United States
Anis Rahman
Applied Research & Photonics, Inc, United States
Will Skene
Montreal University, Canada
Robert Guidoin
Laval University, Canada
Robert Buenker
University of Wuppertal, Germany
Martin Krus
Fraunhofer Institute for Building Physics, GermanySubmit your abstract Today
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