The Recovery of Gold from Thiourea Leach Liquors with Activated Carbon

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (921 download)

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Book Synopsis The Recovery of Gold from Thiourea Leach Liquors with Activated Carbon by :

Download or read book The Recovery of Gold from Thiourea Leach Liquors with Activated Carbon written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The extraction of the gold-thiourea complex from aqueous leach liquors with activated carbon is examined, and the important factors that influence the rate of loading and the loading capacity are identified. It is shown that, under most conditions that would be experienced in a practical leaching situation, the gold-thiourea complex is loaded onto the carbon without undergoing any chemical changes. In addition, the loading capacity of the carbon is suppressed by the chemicals that are required for effective leaching (excess thiourea and ferric ions) and, in this respect, the leaching process and the gold-extraction process are antagonistic. Other parameters that influence the loading characteristics are the pH of the leach liquor, the concentration of anions in solution, and the temperature. Various methods for the elution of the gold-thiourea complex from activated carbon are examined and optimized.

The Recovery Of Gold From Secondary Sources

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Publisher : World Scientific
ISBN 13 : 178326991X
Total Pages : 236 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis The Recovery Of Gold From Secondary Sources by : Syed Sabir

Download or read book The Recovery Of Gold From Secondary Sources written by Syed Sabir and published by World Scientific. This book was released on 2016-06-29 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: New discoveries of the properties of gold at a nanoscale, and its effective use in modern technologies, have been driving a virtual 'gold rush'. Depleting natural resources has meant that the recovery of gold continues to grow in importance and relevance.The Recovery of Gold from Secondary Sources analyses the most advanced technology in gold recovery and recycling from spent sources of mobile phones, unwanted electronic equipment and waste materials. State-of-the-art techniques of hydrometallurgical and bio-metallurgical processing, leaching, cementing, adsorbing and separation through bio-sorbents are all described in detail, providing a guide for students and researchers. Discussion of environmentally friendly methods of recovery are presented, in order to provide modern-day alternatives to previous techniques. For those interested in the study of gold recovery this book gives a comprehensive overview of current recovery, making it the ultimate source of information for students, researchers, chemists, metallurgists, environmental scientists and electronic waste recovery experts.

A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis

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Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis by : J. B. Zadra

Download or read book A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis written by J. B. Zadra and published by . This book was released on 1950 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gold

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Publisher : CRC Press
ISBN 13 : 9782881243974
Total Pages : 242 pages
Book Rating : 4.2/5 (439 download)

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Book Synopsis Gold by : Nathaniel Arbiter

Download or read book Gold written by Nathaniel Arbiter and published by CRC Press. This book was released on 1990 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: The eight articles first appeared as volume 6 (no date) of Mineral processing and extractive metallurgy review. They review new methods of recovery for gold, and to some extent, silver, focus on the particular challenges of extraction from carbonaceous ores and from various sulfide-bearing ore, and the treatment of refractory gold ore, and discuss high-temperature and biological oxidation, high- temperature chlorination, and removing metals from leach liquor. Book club price, $40. Annotation copyrighted by Book News, Inc., Portland, OR

Gold and Silver Elution from Carbon Loaded in Thiourea Leach Solution

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Publisher :
ISBN 13 :
Total Pages : 401 pages
Book Rating : 4.:/5 (932 download)

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Book Synopsis Gold and Silver Elution from Carbon Loaded in Thiourea Leach Solution by :

Download or read book Gold and Silver Elution from Carbon Loaded in Thiourea Leach Solution written by and published by . This book was released on 1992 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thiourea is an alternative to cyanide for leaching gold and silver from ore that has higher leaching rates and less environmental sensitivity. Dissolved gold-thiourea complex can be easily removed from the solution by activated carbon but there are difficulties in the desorption of gold from the carbon. This research program studied the gold and silver recovery from thiourea leach solution by carbon adsorption, carbon elution and carbon regeneration.

Gold Metallurgy and the Environment

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Publisher : CRC Press
ISBN 13 : 1351367420
Total Pages : 246 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis Gold Metallurgy and the Environment by : Sadia Ilyas

Download or read book Gold Metallurgy and the Environment written by Sadia Ilyas and published by CRC Press. This book was released on 2018-02-19 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of all the gold extraction processes along with their mechanistic study and environmental impact. Reviews extraction techniques previously employed as well as recently evolved technology for gold leaching, provides technical flow sheets for processing of ores with a diversity of lixiviants and offers a compulsory overview of every gold processing technique It also discusses recent integrated techniques including hydro- and bio-metallurgical techniques with examples

Gold Metallurgy and the Environment

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Publisher : CRC Press
ISBN 13 : 1351367439
Total Pages : 214 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis Gold Metallurgy and the Environment by : Sadia Ilyas

Download or read book Gold Metallurgy and the Environment written by Sadia Ilyas and published by CRC Press. This book was released on 2018-02-19 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of all the gold extraction processes along with their mechanistic study and environmental impact. Reviews extraction techniques previously employed as well as recently evolved technology for gold leaching, provides technical flow sheets for processing of ores with a diversity of lixiviants and offers a compulsory overview of every gold processing technique It also discusses recent integrated techniques including hydro- and bio-metallurgical techniques with examples

Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy

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Publisher : Elsevier
ISBN 13 : 148328672X
Total Pages : 409 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy by : R.S. Salter

Download or read book Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy written by R.S. Salter and published by Elsevier. This book was released on 2013-10-22 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes current advances in metallurgical processes applied to gold extraction.

Gold Ore Processing

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Publisher : Elsevier
ISBN 13 : 0444636706
Total Pages : 1050 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Gold Ore Processing by : Mike D. Adams

Download or read book Gold Ore Processing written by Mike D. Adams and published by Elsevier. This book was released on 2016-05-03 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold Ore Processing: Project Development and Operations, Second Edition, brings together all the technical aspects relevant to modern gold ore processing, offering a practical perspective that is vital to the successful and responsible development, operation, and closure of any gold ore processing operation. This completely updated edition features coverage of established, newly implemented, and emerging technologies; updated case studies; and additional topics, including automated mineralogy and geometallurgy, cyanide code compliance, recovery of gold from e-waste, handling of gaseous emissions, mercury and arsenic, emerging non-cyanide leaching systems, hydro re-mining, water management, solid–liquid separation, and treatment of challenging ores such as double refractory carbonaceous sulfides. Outlining best practices in gold processing from a variety of perspectives, Gold Ore Processing: Project Development and Operations is a must-have reference for anyone working in the gold industry, including metallurgists, geologists, chemists, mining engineers, and many others. Includes several new chapters presenting established, newly implemented, and emerging technologies in gold ore processing Covers all aspects of gold ore processing, from feasibility and development stages through environmentally responsible operations, to the rehabilitation stage Offers a mineralogy-based approach to gold ore process flowsheet development that has application to multiple ore types

Removal of Molybdenum from Acid Leach Liquors by Activated Carbon

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Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Removal of Molybdenum from Acid Leach Liquors by Activated Carbon by : E. T. Hollis

Download or read book Removal of Molybdenum from Acid Leach Liquors by Activated Carbon written by E. T. Hollis and published by . This book was released on 1958 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Process for Recovering Gold and Silver from Activated Carbon by Leaching and Electrolysis

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Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Process for Recovering Gold and Silver from Activated Carbon by Leaching and Electrolysis by : J. B. Zadra

Download or read book Process for Recovering Gold and Silver from Activated Carbon by Leaching and Electrolysis written by J. B. Zadra and published by . This book was released on 1952 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (921 download)

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Book Synopsis A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis by :

Download or read book A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis written by and published by . This book was released on 1950 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrometallurgy ’94

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Publisher : Springer Science & Business Media
ISBN 13 : 9401112142
Total Pages : 1146 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Hydrometallurgy ’94 by : Institution of Mining & Metallurgy

Download or read book Hydrometallurgy ’94 written by Institution of Mining & Metallurgy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrometallurgy '94 contains the 78 papers that were presented at the international symposium organized by the Institution of Mining and Metallurgy and the Society of Chemical Industry and held in Cambridge, England, in July 1994. In the papers specific attention is paid to the concept of sustainable development and the associated ideas of cleaner technology, recycling and waste minimization that have particular relevance to the extractiona nd processing of metals and other mineral products. The papers, by authors from 30 contries, are grouped under the headings: Hydrometallurgy and Sustainable Development; Materials Production and the Environment; Fundamentals; Leaching; Bioprocessing; Gold Solution Purification; Effluent Treatment; Processes; and Recycling.

Gold and Silver

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Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Gold and Silver by : W. Joseph Schlitt

Download or read book Gold and Silver written by W. Joseph Schlitt and published by . This book was released on 1981 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The first chapter provides an overview of current leach operations while the next two examine the treatment of problem ores (carbonaceous, sulfidic and manganiferous). The next group of papers deals with heap leaching, an approach now gaining favor due to its low cost, rapid implementation and relative simplicity. These are followed by a paper on combined flotation and leaching. All these commercial leach operations utilize cyanide lixiviants and the next two chapters deal with treatment of such solutions to recover the values and avoid discharge of hazardous wastes. Use of thiourea as an alternative to cyanide is discussed in the following papers while assay methods and problems are covered in the twelfth paper. Substantive contributors by bankers, consultants and commodity traders have [also] been included in this volume."--Preface.

The Chemistry of Gold Extraction

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Publisher : SME
ISBN 13 : 9780873352406
Total Pages : 688 pages
Book Rating : 4.3/5 (524 download)

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Book Synopsis The Chemistry of Gold Extraction by : John Marsden

Download or read book The Chemistry of Gold Extraction written by John Marsden and published by SME. This book was released on 2006 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensively revised and updated, this edition provides the broad base of knowledge required by all working in the gold extraction and gold processing industries. It bridges the gap between research and industry by emphasizing practical applications of chemical principles and techniques.

Precious Metals Recovery from Low-grade Resources

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Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Precious Metals Recovery from Low-grade Resources by :

Download or read book Precious Metals Recovery from Low-grade Resources written by and published by . This book was released on 1985 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This information circular describes research the Bureau of Mines has conducted to improve technology for recovering precious metals from low-grade resources. Many of the reported findings are recent, and some of te work described is ongoing. Topics discussed include cyanidation of carbonaceous gold ores to enhance gold recovery, a new method for precipitating mercury during cyanide leaching of gold ores, a staged heap leaching process to generate suitable solutions for direct electrowinning of gold, the use of anion-exchange resins to recover gold from cyanide solutions, and precious metals recovery from electronic scrap.

Hydrometallurgy 2008

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Publisher : SME
ISBN 13 : 0873352661
Total Pages : 1201 pages
Book Rating : 4.8/5 (733 download)

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Book Synopsis Hydrometallurgy 2008 by :

Download or read book Hydrometallurgy 2008 written by and published by SME. This book was released on 2008 with total page 1201 pages. Available in PDF, EPUB and Kindle. Book excerpt: