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Sunday, April 12, 2020 | History

3 edition of High-temperature cyanide leaching of platinum-group metals from automobile catalysts found in the catalog.

High-temperature cyanide leaching of platinum-group metals from automobile catalysts

High-temperature cyanide leaching of platinum-group metals from automobile catalysts

process development unit

by

  • 50 Want to read
  • 25 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in Washington, D.C .
Written in English

    Subjects:
  • Platinum group -- Metallurgy.,
  • Leaching.,
  • Cyanide process.,
  • Automobiles -- Catalytic converters -- Recycling.

  • Edition Notes

    Other titlesHigh temperature cyanide leaching of platinum-group metals from automobile catalysts-process development unit.
    Statementby R.J. Kuczynski, G.B. Atkinson, and L.A. Walters.
    SeriesReport of investigations -- 9428., Report of investigations (United States. Bureau of Mines) -- 9428.
    ContributionsAtkinson, G. B., Walters, L. A.
    The Physical Object
    FormatMicroform
    Pagination11 p.
    Number of Pages11
    ID Numbers
    Open LibraryOL16954035M

    Select business category. The research presented in this paper investigated the practical aspects of the recovery of platinum group metals (PGMs) from a dilute cyanide leach solution containing base metals, in a manner similar to that used for gold extraction in a typical CIP process, and focuses on both the adsorption and elution stages. The carrier- phase extraction of precious metals using activated carbon offers. In fact, the Noble Metals and Platinum Group Elements are found quite abundantly throughout the natural world in the monatomic state. Now for the first time ever What is important to understand is that there is a Light Body along with many of your higher selves waiting for you after each life and you will remerge with these parts.   There is another very important book and this is pretty heavy reading but is a great book, it is Amorphous Solids and the Liquid State, which is a specialized area all its own, and the authors are March, Street and Tosi, [Amorphous Solids and the Liquid State by Norman H. March, Robert A. Street, Mario P. Tosi.] and for people who work in.


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High-temperature cyanide leaching of platinum-group metals from automobile catalysts Download PDF EPUB FB2

@article{osti_, title = {High-temperature cyanide leaching of platinum-group metals from automobile catalysts: Pilot plant study. Report of investigations/}, author = {Kuczynski, R.J.

and Atkinson, G.B. and Dolinar, W.J.}, High-temperature cyanide leaching of platinum-group metals from automobile catalysts book = {The U.S.

Bureau of Mines Reno Research Center operated a batch pilot plant to demonstrate high-temperature cyanide leaching or recovering platinum. Get this from a library. High-temperature cyanide leaching of platinum-group metals from automobile catalysts--process development unit.

[R J Kuczynski; G B Atkinson; L. High-temperature cyanide leaching of platinum-group metals from automobile catalysts--laboratory tests. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, (OCoLC) High-Temperature Cyanide Leaching of Platium-Group Metals From Automobile Catalysts.

Bureau of Mines Report of Investigations - RI Platinum and its sister metals are in high demand and found only in a few deposits around the world. The Auto industry relies heavily on them in the use of Catalytic converters for exhaust systems.

The US Bureau of Mines Reno Research Center operated a batch pilot plant to demonstrate high-temperature cyanide leaching for recovering platinum group metals (PGM) from automobile catalysts. Approximately 1, kg of used pellet, monolith, and metal support catalyst containing 1, g (54 tr oz) of PGM were by: 3.

Atkinson's 9 research works with 39 citations and reads, including: High-temperature cyanide leaching of platinum-group metals from automobile catalysts -- Pilot plant study. The US Bureau of Mines Reno Research Center investigated, developed, and patented a high-temperature cyanide leaching process for recovering platinum.

R.J. Kuczynski, G.B. Atkinson, L.A. WaltersHigh temperature cyanide High-temperature cyanide leaching of platinum-group metals from automobile catalysts book of platinum group metals from automobile catalysts-process development unit US Bureau of Mines, RI () (11 pp.)Cited by: "The U.S.

Bureau of Mines Reno Research Center operated a batch pilot plant to demonstrate high-temperature cyanide leaching or recovering platinum group metals (PGM) from automobile catalysts. Approximately 1, kg of used pellet, monolith, and met Cited by: Text book of cyanide practice, (New York [etc.] McGraw-Hill book company, ), by H.

MacFarren (page images at HathiTrust) High-temperature cyanide leaching of platinum-group metals from automobile catalysts book gold and silver ores. (London, C. Griffin and company, limited, ), by Henry Forbes Julian and Edgar Smart (page images at HathiTrust; US access only) The electromotive force of metals in cyanide solutions.

Text book of cyanide practice, High-temperature cyanide leaching of platinum-group metals from automobile catalysts book York [etc High-temperature cyanide leaching of platinum-group metals from automobile catalysts--process development by R.

Kuczynski, L. Walters, and G. Atkinson (page images at HathiTrust) High-temperature cyanide leaching of platinum-group metals from automobile catalysts.

"The U.S. Bureau of Mines Reno Research Center operated a batch pilot plant to demonstrate high-temperature cyanide leaching or recovering platinum group metals (PGM) from automobile catalysts.

Approximately 1, kg of used pellet, monolith, and metal support catalyst containing 1, g (54 tr oz) of PGM were : R J Kuczynski, G B Atkinson, W J Dolinar. Find the best books on mineral processing and metallurgy at Mining Books. Buy online today and get best priced mineral processing books.

High-Temperature Cyanidation Leaching of Platinum Group Metals from Automobile Catalysts—Pilot Plant Study[R]. United States Bureau of Mines Report No.

RI, U.S. Bureau of Mines, Washington, by: 3. Non-cyanide lixiviants, such as thiosulfate, thiourea, chlorination, iodine-iodide, and HCl in the presence of oxidizing agent have shown the possibilities of leaching precious metals, some of which have already applied in industry.

To replace the HNO 3 and prevent the generation of NO x, H 2 O 2 has potential to be used for the leaching Cited by: CoorfH nation Complexes of the Platinum-Group Metals as Catalysts Over a period of not much more than 10 years, there has been extensive de- velopment of platinum-metal catalysts of a new type, These are organometallic coordination complexes for the most part, and they are homogeneous catalysts used in a dissolved state.

High- Temperature Cyanide Leaching Of Platinum- Group Metals From Automobile Catalysts- -A Process Development Unit 1. Dewatering Of Alaska Placer Effluent Using PEO 1. Applicability Of Electrical Methods In Deep Detection And Monitoring Of Conductive Lixiviants 1.

The platinum group metals (platinum, palladium and rhodium) are the essential constituents of automotive catalysts in the catalytic converter. The support consists of zirconia-stabilised ceria, zirconia and γ-Al 2 O 3 with barium oxide and zinc oxide as promoters [ ].Author: J.A.

Moma, T.A. Ntho, Michael Scurrell. FINAL SUMMARY REPORT OF MINERAL INDUSTRY PROCESSING WASTES Prepared *. t e ; 3c). Steel Magnesium Manganese Molybdenum Platinum Group Metals Rare Earth Metals Rhenium Rubidium Selenium Silicon and Ferrosilicon Strontium Tellurium Tin Titanium Tungsten Fuel cell driven cars belong to the ‘zero emission’ vehicles and should contribute to lower CO2 emissions.

However, they contain platinum, which is known as a critical material in the European Union. This study investigated the potential contribution of recycling fuel cell vehicles (FCV) to satisfy the platinum demand arising from a widespread deployment of fuel cell vehicles in by: CPM Group produces major annual Yearbooks on gold, silver, and platinum group metals, and provides a wide range of consulting services related to the financial management of commodities price exposure.

In he published Commodities Rising, a book providing investors with an. Zinc extraction from EAF dust with EZINEX prozess Leaching of petroleum catalysts with cyanide for palladium recovery.

Sibrell, P.L. / Atkinson, G.B. | Recovery of Platinum Group Metals from Automobile Catalysts: Pilot Plant Operation. Kuczynski, R.

/ Atkinson. Full text of "Bibliography Of Recovery Of Metals From Spent Industrial Catalysts" See other formats. Much has been written about fundamental aspects of catalysis, yet despite their universal applications details concerning commercial catalysts and information about actual operating conditions are not readily available.

This book provides up-to-date reviews and references. FLOW STUDIES FOR RECYCLING METAL COMMODITIES IN THE UNITED STATES Gold Recycling in the United States in By Earle B. Amey ABSTRACT Inmetric tons (t) of refined gold was recov­ ered by U.S. refiners from old and new scrap.

The overall recycling rate was 29 percent when scrap consumption was compared with apparent domestic by: Recycling Nickel, Chromium, and Iron Catalysts through the High Temperature Metals Recovery Process.

Hanewald, R. / Onuska, J Recovery of Platinum and Palladium from Spent Automobile Catalytic Converters by Leaching with Solutions Containing Halogen Salts, Ammonium and Oxidants Recovery of Platinum Group Metals from Automobile. The first stage of hydrometallurgical processes is the leaching of valuable metals from less valuable material, for example, with sulphuric acid.

Leaching is often preceded by pre-treatment (e.g., sulphating roasting). The leaching process often requires high pressure, the. Extract all the metals information you need. A wealth of data on metals and their extraction is revealed in this comprehensive handbook. The aim of this book is to provide a clear description of how a particular metal is extracted industrially from different raw materials, and on what its important compounds are.

The parameter values for alkaline leaching of cobalt lter cake Parameter Value NaOH concentration (M) 4, 6, 8, 10 Temperature (C) 25, 50, 60, 90 Phase ratio (v/w) 4, 6, 8, 10 Steering speed(rpm),Second alkaline leaching tests The aim of second alkaline leaching is to reduce the amount of zinc in residue as much as possible.

The materials were prepared in vacuum under × Pа, by pressureless synthesis in argon under MPa, hot pressing under 30 MPa, and high temperature–high pressure sintering at 2 GPa. The materials structure was investigated using X-ray with Rietveld refinement, SEM and Auger spectroscopy.

Full text of "Treatise On Powder Metallurgy Vol III" See other formats. Once it receives the shredded automobile, Audubon Metals processes, dries, melts, alloys, and delivers the new aluminum alloy castings to the customer.

By-products such as brass and copper are also recovered from the automobile Audubon Metals, scrap. The company first began operating in The present book describes the role of colloidal systems in environmental protection in areas like drinking water, wastewater treatment, heavy metal remediation, treatment of contaminated soils, abatement of pesticide contamination in food and soil, protection against radioactive materials, corrosion.

Transition metals as catalysts. The first period of transition metals are represented by these metals: Sc Ti V Cr Mn Fe Co Ni Cu and Zn. Typical common features among them are the presences of d electrons, and in many of them, and their unfilled d orbital.

As a result, transition metals form compounds of variable oxidation states. for COM & Copper AugustVancouver, BC, Canada. Book of Abstracts Nº ISBN Nº REG: 40 International Conference on Valencia, Spain 9 - 13 September, Leaching gold with cyanide process is like leaching salt out in the farming process.

More of a hobby than a business — no intention of making money. But something I enjoyed very much. The renewed interest in the search for their deposits has led to improvements in the methodologies to determine the precious metals.

The members of the platinum group elements (PGE) viz., platinum (Pt), palladium (Pd), rhodium (Rh), ruthenium (Ru), iridium (Ir) and osmium (Os) and gold (Au) occur in nature as various mineral species chiefly as.

Please read our short guide how to send a book to Kindle. Save for later. You may be interested in. Extractive Metallurgy of Rare Earths. CRC Press. C.K. Gupta, N. Krishnamurthy. Year: Language: english File: PDF, MB. A great deal of progress has been made in the development of materials, their application to structures, and their adaptation to a variety of systems and integrated across a wide range of industrial applications.

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Precious Metals 23 Gold 24 Silver. 25 Pdf Group Metals. but the high-temperature strength is low. and some content of other profitable metals is desirable. In situ leaching is a hydrometallurgical process in which copper is extracted by chemical dissolution in sulfuric acid.1/5(1).Download pdf the case of Cu and other base metals, chloride complexes are the most common (e.g., CuCl 2–, ZnCl n 2-n) although m ­ olecular sulphide complexes may be important at high temperature (Kouzmanov and Pokrovski, ).

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