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Extractive metallurgy of ac...
Mechanical activation of solids is a part of mechanochemistry, the science with a sound theoretical foundation exhibiting a wide range of potential application. Mechanical activation itself is an innovative procedure where an improvement in technological processes can be attained via a combination of new surface area and defects formation in minerals. Mechanical activation is of exceptional importance in extractive metallurgy and mineral processing and this area forms the topic of this book and is the result of more than twenty years of research and graduate teaching in the field. In pyrometallurgy, the mechanical activation of minerals makes it possible to reduce their decomposition temperatures or causes such a degree of disordering that the thermal activation may be omitted entirely. The potential mitigation of environmental pollutants is becoming increasingly important in this context. The lowering of reaction temperatures, the increase of the rate and amount of solubility, preparation of water soluble compounds, the necessity for simpler and less expensive reactors and shorter reaction times are some of the advantages of mechanical activation in hydrometallurgy. The environmental aspects of these processes are particularly attractive. Several industrial processes are examined and their flowsheets are presented as succesful of activation. In these processes, the introduction of a mechanical activation step into the technological cycle significantly modifies the subsequent steps. The book is designed for researchers, teachers, operators and students in the areas of extractive metallurgy, mineral processing, mineralogy, solid state chemistry and materials science. It will encourage newcomers to the mechanochemistry to do useful research and discover novel applications in this field
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monografia Rebiun07998268 https://catalogo.rebiun.org/rebiun/record/Rebiun07998268 m o d cr cn||||||||| 070802s2000 ne a ob 001 0 eng d 180851221. 441801333. 606390190. 646691467 9780444502063 0444502068 0080531539 electronic bk.) 9780080531533 electronic bk.) NZ1 12434588 DEBBG BV039827930 UPCT u339726 UPVA 996969797003706 UCAR 991008503293104213 CBUC 991011151593406709 120937:127849 Elsevier Science & Technology http://www.sciencedirect.com OPELS. eng. OPELS. OCLCG. OPELS. OCLCQ. MERUC. N$T. YDXCP. OCLCE. IDEBK. OCLCQ. OCLCF dlr TN lcco TEC. 026000 bisacsh 622/.7 22 UQ 7100 rvk Baláz, P. Peter) 1947-) Extractive metallurgy of activated minerals electronic resource] by P. Baláz Amsterdam New York Elsevier Science B.V. 2000 Amsterdam New York Amsterdam New York Elsevier Science B.V. 1 online resource (xiv 278 p.) ill 1 online resource (xiv 278 p.) Process metallurgy 10 Includes bibliographical references and indexes Introduction. Mechanochemistry and mechanical activation of solids. Selected methods for the identification of changes in mechanically activated solids. Physico-chemical properties of mechanically activated minerals. Polymorphous transformation induced in minerals by mechanical activation. Thermal decomposition of mechanically activated minerals. Chemical leaching of mechanically actived minerals. Influence of mechanical activated on bacterial leaching of minerals. Mechanical activation in technology. Summary. Author index. Subject index Use copy. Restrictions unspecified star. MiAaHDL Mechanical activation of solids is a part of mechanochemistry, the science with a sound theoretical foundation exhibiting a wide range of potential application. Mechanical activation itself is an innovative procedure where an improvement in technological processes can be attained via a combination of new surface area and defects formation in minerals. Mechanical activation is of exceptional importance in extractive metallurgy and mineral processing and this area forms the topic of this book and is the result of more than twenty years of research and graduate teaching in the field. In pyrometallurgy, the mechanical activation of minerals makes it possible to reduce their decomposition temperatures or causes such a degree of disordering that the thermal activation may be omitted entirely. The potential mitigation of environmental pollutants is becoming increasingly important in this context. The lowering of reaction temperatures, the increase of the rate and amount of solubility, preparation of water soluble compounds, the necessity for simpler and less expensive reactors and shorter reaction times are some of the advantages of mechanical activation in hydrometallurgy. The environmental aspects of these processes are particularly attractive. Several industrial processes are examined and their flowsheets are presented as succesful of activation. In these processes, the introduction of a mechanical activation step into the technological cycle significantly modifies the subsequent steps. The book is designed for researchers, teachers, operators and students in the areas of extractive metallurgy, mineral processing, mineralogy, solid state chemistry and materials science. It will encourage newcomers to the mechanochemistry to do useful research and discover novel applications in this field Electronic reproduction. [S.l.] HathiTrust Digital Library 2010. MiAaHDL Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212 MiAaHDL digitized 2010. HathiTrust Digital Library committed to preserve pda MiAaHDL Ore-dressing Mechanical chemistry Size reduction of materials TECHNOLOGY & ENGINEERING- Mining. bisacsh Erzaufbereitung. swd Metallurgie. swd Mechanical chemistry. fast Ore-dressing. fast Size reduction of materials. fast Electronic books Print version Baláz, P. (Peter), 1947-. Extractive metallurgy of activated minerals. -- Amsterdam ; New York : Elsevier Science B.V., 2000 0444502068 9780444502063. (DLC) 00028770. (OCoLC)43615798 Process metallurgy 10