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Wednesday, August 12, 2020 | History

2 edition of Impurity control and disposal in hydrometallurgical processes found in the catalog.

Impurity control and disposal in hydrometallurgical processes

International Symposium on Impurity Control and Disposal in Hydrometallurgical Processes (1994 Toronto, Ont.)

Impurity control and disposal in hydrometallurgical processes

24th Annual Hydrometallurgical Meeting : proceedings of the International Symposium on Impurity Control and Disposal in Hydrometallurgical Processes, Toronto, Ontario, Canada, August 21-24, 1994

by International Symposium on Impurity Control and Disposal in Hydrometallurgical Processes (1994 Toronto, Ont.)

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  • 31 Currently reading

Published by Canadian Institute of Mining, Metallurgy and Petroleum in Montreal, Quebec .
Written in English

    Subjects:
  • Hydrometallurgy -- Congresses.,
  • Metals -- Refining -- Congresses.,
  • Metal wastes -- Congresses.,
  • Metals -- Inclusions -- Congresses.,
  • Bacterial leaching -- Congresses.

  • Edition Notes

    Statementeditors, B. Harris, E. Krause ; Symposium sponsored by the Hydrometallurgical Section of the Metallurgical Society of CIM.
    ContributionsHarris, G. B., Krause, E. 1944-, Metallurgical Society of CIM. Hydrometallurgy Section., Conference of Metallurgists (33rd : 1994 : Toronto, Ont.), Hydrometallurgical Meeting (24th : 1994 : Toronto, Ont.)
    Classifications
    LC ClassificationsTN688 .I485 1994
    The Physical Object
    Paginationix, 398 p. :
    Number of Pages398
    ID Numbers
    Open LibraryOL17422413M
    ISBN 100919086519

      The amount of spent lithium-ion batteries has grown dramatically in recent years, and the development of a recycling process for spent lithium-ion batteries is necessary and urgent from the viewpoints of environmental protection and resource savings. The hydrometallurgical process is considered to be the most suitable method for the recycling of spent lithium-ion batteries. Many recycling processes have been developed for spent Li-ion batteries (LIBs), such as pyrometallurgy, hydrometallurgy, and direct recycling. For all the recycling methods, however, impurities are always introduced from the current collectors or casing materials, especially aluminum (Al), which might lead to negative effects on recovered electrode materials. Therefore, it is significant .

      About this book. Proceedings of a symposium sponsored by the Hydrometallurgy and Electrometallurgy Committee and the Materials Characterization Committee of the Extraction and Processing Division of TMS (The Minerals, Metals & Materials Society) Recycling and the Environment. Simulating the Blanking of Preg Robbers in Gold Ores by Treating. In addition to the previously discussed processes, many ores are processed using the hydrometallurgical method, including uranium, gold, silver. Figure 61 illustrates the layout of these systems and highlights specific points where certain technologies can achieve or facilitate one of the stages in the process (see shaded boxes).

      The presence of impurities, particularly the API-related impurities, i.e., degradation-related impurities (DRIs) and interaction-related impurities (IRIs), may affect the quality, safety, and efficacy of drug products. Since the regulatory requirements and management strategies are required to be established and complied, sources of impurities shall be carefully classified prior to take. The useful life of electrical and electronic equipment (EEE) has been shortened as a consequence of the advancement in technology and change in consumer patterns. This has resulted in the generation of large quantities of electronic waste (e-waste) that needs to be managed. The handling of e-waste including combustion in incinerators, disposing in landfill or exporting overseas is no longer.


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Impurity control and disposal in hydrometallurgical processes by International Symposium on Impurity Control and Disposal in Hydrometallurgical Processes (1994 Toronto, Ont.) Download PDF EPUB FB2

Download impurity control and disposal in hydrometallurgical processes or read online books in PDF, EPUB, Tuebl, and Mobi Format. Click Download or Read Online button to get impurity control and disposal in hydrometallurgical processes book now.

This site is like a library, Use search box in the widget to get ebook that you want. Impurity. Get this from a library. Impurity control and disposal in hydrometallurgical processes: 24th annual Hydrometallurgical Meeting: proceedings of the International Symposium on Impurity Control and Disposal in Hydrometallurgical Processes, Toronto, Ontario, Canada, August[G B Harris; E Krause; Metallurgical Society of CIM.;].

In hydrometallurgical zinc processes, the coprecipitation of minor impurities along with iron precipitation is also important in producing zinc-sulfate solution from which high-purity zinc cathode can be electrowon.

Impurity Control and Disposal in Hydrometallurgical Processes, ed. Harris and E. Krause (Montreal, Canada: The Met. Soc. Wijers, MC, Bargeman, D, van den Boomgaard, A, Leese, T, Tasker, PA & Thorp, DExtraction of copper from dilute solutions using Acorga P50 oxime in hollow fiber and flat sheet supported liquid membranes.

in International Symposium on impurity control and disposal in hydrometallurgical processes. Toronto, Ontario, Canada, pp. Author: M.C. Wijers, D. Bargeman, Anthonie van den Boomgaard, T. Leese, P.A. Tasker, D. Thorp. The control, stabilization and disposal of iron plays a key role in the design and operation of most hydrometallurgical processes.

In some process-es, the iron dissolves and is precipitated in a sub-sequent operation; in other processes, such as those used to leach nickel laterites and bauxite, the iron is rejected in situ.

In all the processes. The recycling process is initiated It is the most efficient method of recovering metals as it can control the different C., Retegan, T., Hydrometallurgical Processes for the Recovery.

Hence, a successful realization of such a semidirect recycling process will enable the separation of detrimental impurities (coatings, adhesions, etc.) in contrast to the zinc process or other direct routes.

Also, a semidirect recycling process does not require the entire complex procedure as in case of the indirect chemical recycling techniques. Impurity control and disposal in hydrometallurgical processes: 24th annual hydrometallurgical meeting: proceedings of the international symposium on impurity control and disposal in hydrometallurgical processes, Toronto, Ontario, Canada, AugustGoode, J.

and Eljarbo, I. () Biological oxidation of refractory gold ore–an economic evaluation, Addendum to Impurity Control and Disposal in Hydrometallurgical Processes, in B. Harris and E. Krause (eds.), Impurity Control and Disposal in Hydrometallurgical Processes. This book is concerned with the theoretical principles of hydrometallurgical processes and engineering aspects.

The hydrometallurgical processes of production of copper are discussed and leaching of chalcopyrite as the main sulphide mineral of copper processed in industry is used as an example. Get this from a library. Impurity control & disposal: proceedings of the CIM 15th Annual Hydrometallurgical Meeting, held in conjunction with the CIM 24th Annual Conference of Metallurgists, Vancouver, Canada, August[Metallurgical Society of CIM.

Hydrometallurgy Section.;]. Role of Iron Impurity in Hydrometallurgical Recovery Process of Spent Lead-Acid Battery: Phase Transformation of Positive Material Made from Recovered Leady Oxide.

Wenhao Yu 1,2, Jiakuan Yang 1,2,3,5, Sha Liang 1,2, Peiyuan Zhang 1,2, Mingyang Li 1,2, Junxiong Wang 1,2, Keke Xiao 1,2, Huijie Hou 1,2, Jingping Hu 1,2, Bingchuan Liu 1,2 and R. Then, by the cementation process, over 93% of Cu concentrate purity and a rich solution of zinc sulfate have been achieved.

Additional tests were also conducted to treat the waste solution of the Au and Ag cementation process. For this, the Fenton process followed by impurity precipitation with lime were performed.

The resultant water was. HYDROMETALLURGICAL RECYCLING TREATMENT. 2 Introduction This chapter addresses the different hydrometallurgical processes that could be applied to ensure adequate valorization and complete recycling of battery cell material.

Once the pre-treatment stage of wasted, end of life, battery pouch cells is finished, the resulting dust is. Processes described are cost-effective, generate lesser secondary pollutants, and have been applied widely in China.

Readers that will find the book appealing include solid waste engineers, environmental managers, technicians, recycling coordinators, government officials, undergraduates and graduate students, and researchers. Hydrometallurgy, extraction of metal from ore by preparing an aqueous solution of a salt of the metal and recovering the metal from the solution.

The operations usually involved are leaching, or dissolution of the metal or metal compound in water, commonly with additional agents; separation of the waste and purification of the leach solution; and the precipitation of the metal or one of its.

Created Date: 1/7/ PM. Significant work has been reported on the hydrometallurgical recovery of metals from PCBs 1,22,HNO 3, HCl, and H 2 SO 4 solutions are often used as leaching agents in hydrometallurgical treatments. Hydrometallurgical treatments have more flexibility during the upscaling and control proces24,Therefore, in the present study, five different acids, i.e.

processes for the E-waste recycling have been validated. Gas flow can be efficiently controlled, and furthermore, no wastewater will be released or dust emission will occur.

The primary production of sulfide concentrates includes smelting to copper matte or blister copper, conversion of matte to blister copper, and refining to copper. Smelting, converting, and fire-refining can use a limited amount of secondary materials.

Molten copper can effectively dissolve many metals, from valuable noble metals to harmful impurities such as bismuth.

However, some of the. Hydrometallurgy. GERRI develops and optimizes hydrometallurgical methods and processes for extraction, refining and recycling of metals.

Our main competences are in the fields of electrolysis procedures, leaching and ion selective processes like solvent. Recycling processes for LIB are a combination of different unit operations: Deactivation, pyrometallurgical, mechanical, and hydrometallurgical treatment.

Deactivation can be carried out by discharge of the whole battery system, battery modules, or battery cells. The recycling of battery metals also supports Fortum’s existing battery business, says the firm.

In the hydrometallurgical process used by Crisolteq, cobalt, manganese and nickel are recovered from the batteries. The metals are sold to battery manufacturers to be used in .