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Author: Roger Rumbu Publisher: Createspace Independent Publishing Platform ISBN: 9781530598274 Category : Languages : fr Pages : 254
Book Description
As the title suggests this book focuses on the extractive metallurgy of cobalt which is rarely treated in a comprehensive manner as cobalt and cobalt-compounds are typically by-products of nickel and copper production. The book is written in French. Introductory chapters cover history, mineralogy, chemical properties as well as reserves and production statistics from 2008/2009. Chapter 4 (Hydrometallurgie du cobalt) is one of the main chapters that includes the leaching behaviour of the element with respect to the form of cobalt feed highlighting the importance of oxidation-reduction reactions. There are references to leaching kinetic models and relevant chemical thermodynamic considerations along with a number of examples of industrial process flow diagrams. Impurity precipitation and solvent extraction are also included in this chapter in a similar style with examples of processing equipment. Chapter 5 is a relatively brief chapter about cobalt-compound product precipitation ending with a summary table qualitatively ranking eight process features. Chapters 6 and 7 address the electrowinning and electrorefining of cobalt respectively. Important fundamental and applied considerations are covered. Chapter 8 is on the pyrometallurgy of cobalt with some description of hydrometallurgical refining options at the end. As with the hydrometallurgy chapter, a number of industrial flow diagrams are provided which is helpful. Chapter 9 is about the final uses for cobalt which is shifting with increasing application for cobalt containing batteries. The Metallurgie Extractive du Cobalt provides a good overview of cobalt from the primary sources to end-use with an emphasis on the metallurgical processing options of which there are quite a few. It is most relevant to metallurgical engineers interested in process development. I appreciated the insight provided into the African scene and picked up some useful references from the citations. Dr James Vaughan, Senior Lecturer in Hydrometallurgy The University of Queensland, Australia, March 29, 2016
Author: Roger Rumbu Publisher: Createspace Independent Publishing Platform ISBN: 9781530598274 Category : Languages : fr Pages : 254
Book Description
As the title suggests this book focuses on the extractive metallurgy of cobalt which is rarely treated in a comprehensive manner as cobalt and cobalt-compounds are typically by-products of nickel and copper production. The book is written in French. Introductory chapters cover history, mineralogy, chemical properties as well as reserves and production statistics from 2008/2009. Chapter 4 (Hydrometallurgie du cobalt) is one of the main chapters that includes the leaching behaviour of the element with respect to the form of cobalt feed highlighting the importance of oxidation-reduction reactions. There are references to leaching kinetic models and relevant chemical thermodynamic considerations along with a number of examples of industrial process flow diagrams. Impurity precipitation and solvent extraction are also included in this chapter in a similar style with examples of processing equipment. Chapter 5 is a relatively brief chapter about cobalt-compound product precipitation ending with a summary table qualitatively ranking eight process features. Chapters 6 and 7 address the electrowinning and electrorefining of cobalt respectively. Important fundamental and applied considerations are covered. Chapter 8 is on the pyrometallurgy of cobalt with some description of hydrometallurgical refining options at the end. As with the hydrometallurgy chapter, a number of industrial flow diagrams are provided which is helpful. Chapter 9 is about the final uses for cobalt which is shifting with increasing application for cobalt containing batteries. The Metallurgie Extractive du Cobalt provides a good overview of cobalt from the primary sources to end-use with an emphasis on the metallurgical processing options of which there are quite a few. It is most relevant to metallurgical engineers interested in process development. I appreciated the insight provided into the African scene and picked up some useful references from the citations. Dr James Vaughan, Senior Lecturer in Hydrometallurgy The University of Queensland, Australia, March 29, 2016
Author: Roger Rumbu Publisher: Lulu.com ISBN: 0359557058 Category : Technology & Engineering Languages : en Pages : 300
Book Description
Actuellement, prêt de 20%% de la production mondiale de cobalt, soient prêt de 10 000 tonnes et 60%% de la production mondiale de super-alliages à base de cobalt sont récupérés par les USA qui considèrent ce métal comme hautement stratégique au point que sa carence pourrait affecter sérieusement ses domaines économiques, industriels et militaires ainsi que ceux de nombreux pays hautement industrialisés. On trouve ainsi dans cet ouvrage des informations sur l'origine, l'élaboration du cobalt, son recyclage et son utilisation tout cela illustré de près de 80 flow-sheets, croquis et graphes. Cet ouvrage est un recueil, une mine d'informations, d'expériences et de pratiques industrielles utiles à avoir pour mieux connaître l'un des métaux le plus influent sur l'échiquier stratégique et économique mondial. Roger RUMBU, Met. Eng., PPM.
Author: Roger Rumbu Publisher: Createspace Independent Publishing Platform ISBN: 9781516843527 Category : Languages : en Pages : 236
Book Description
As the title suggests this book focuses on the extractive metallurgy of cobalt which is rarely treated in a comprehensive manner as cobalt and cobalt-compounds are typically by-products of nickel and copper production. Introductory chapters cover history, mineralogy, chemical properties as well as reserves and production statistics. Chapter 4 (Cobalt Hydrometallurgy) is one of the main chapters that includes the leaching behaviour of the element with respect to the form of cobalt feed highlighting the importance of oxidation-reduction reactions. There are references to leaching kinetic models and relevant chemical thermodynamic considerations along with a number of examples of industrial process flow diagrams. Impurity precipitation and solvent extraction are also included in this chapter in a similar style with examples of processing equipment. Chapter 5 is a relatively brief chapter about cobalt-compound product precipitation ending with a summary table qualitatively ranking eight process features. Chapters 6 and 7 address the electrowinning and electrorefining of cobalt respectively. Important fundamental and applied considerations are covered. Chapter 8 is on the pyrometallurgy of cobalt with some description of hydrometallurgical refining options at the end. As with the hydrometallurgy chapter, a number of industrial flow diagrams are provided which is helpful. Chapter 9 is about the final uses for cobalt which is shifting with increasing application for cobalt containing batteries. The Metallurgie Extractive du Cobalt provides a good overview of cobalt from the primary sources to end-use with an emphasis on the metallurgical processing options of which there are quite a few. It is most relevant to metallurgical engineers interested in process development. I appreciated the insight provided into the African scene and picked up some useful references from the citations. Dr James Vaughan, Senior Lecturer in Hydrometallurgy The University of Queensland, Australia, March 29, 2016
Author: Roger Rumbu Publisher: Createspace Independent Publishing Platform ISBN: 9781985134997 Category : Languages : en Pages : 288
Book Description
The cobalt is a less known metal, has applications in alloys for aeronautical or military uses, in cutting tools, in paints, in magnets, in compact disks, in video and audio tapes, in hybrid cars batteries, phones and laptops batteries and for pacemakers. All cars, trucks, almost all automotive vehicle has their cobalt content. It is clear that any man or woman in decades is larger consumer of cobalt. Currently, almost of 20% of world cobalt production so nearly 10,000 tonnes and 60% of world production of cobalt-based super alloys are recovered by the US who view the metal as highly strategic to the extent that its deficiency could seriously impact its economy, industrial and military power as well as many highly industrialized countries. In this book, we can find information about cobalt sources, cobalt process, cobalt recycling and its applications described by nearly 80 flow-sheets, sketches and graphs. This book is a compendium, a mine of information, experiences and relevant industry practices, a must have, a book to learn about one of the most influential strategic metal impacting the global economic scene. Roger RUMBU, Met. Eng. - University of Lubumbashi, PPM Certificate - University of Pretoria
Author: Roger Rumbu Publisher: CreateSpace ISBN: 9781515316299 Category : Languages : fr Pages : 382
Book Description
Dans cet ouvrage, on retrouve rassemblé ce que l'on aurait bien pu vouloir connaître des métaux de base, de leur élaboration et tout cela illustré de plus de 100 flow-sheets, croquis et graphes. Ce livre s'intéressant particulièrement aux métaux que l'on retrouve en Afrique centrale, en R.D.C. précisément permettra d'étancher la soif de savoir de certains. Il permettra à tous d'avoir en main l'essentiel des pratiques de métallurgie extractive des métaux de base et de certains métaux stratégiques. Cet ouvrage vient s'inscrire dans l'abondante littérature existant déjà en métallurgie extractive en rassemblant ce qui est le plus commun et le top de la technicité de nos jours et il a la particularité d'être écrit et compilé par un technicien africain, congolais et acteur de cette métallurgie. Il peut être parcouru selon les centres d'intérêt étant donné qu'il est présenté métal après métal. Toutes les métallurgies sont différentes et particulières. Très peu se ressemblent et c'est ainsi que je vous souhaite une bonne lecture.
Author: Roger Rumbu
Author: Roger Rumbu
Author: Roger Rumbu
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Author: Roger Rumbu
Author: Roger Rumbu
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Author: Roger Rumbu
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