Last edited by Kell
Monday, May 4, 2020 | History

1 edition of Hydrometallurgy of complex sulfide ores found in the catalog.

Hydrometallurgy of complex sulfide ores

Hydrometallurgy of complex sulfide ores

process development

  • 247 Want to read
  • 39 Currently reading

Published by Mineral Industry Research Laboratory, University of Alaska in Fairbanks .
Written in English

    Subjects:
  • Sulphides -- Alaska -- Delta (Region) -- Metallurgy.

  • Edition Notes

    Bibliography: p. 159-166.

    StatementP. Dharma Rao, editor.
    SeriesMIRL report -- no. 81., M.I.R.L. report -- no. 81.
    ContributionsRao, P. Dharma, University of Alaska, Fairbanks. Mineral Industry Research Laboratory.
    The Physical Object
    Pagination166 p. :
    Number of Pages166
    ID Numbers
    Open LibraryOL15127743M

      The gold processing industry is experiencing change. As free-milling and oxide ores become depleted, more complex polymetallic and refractory ores are being processed, coupled with increasing pressure for stricter environmental compliance. Recent years have also seen a steady reduction in mineral processing and metallurgy graduates and a gradual loss of older operating . A hydrometallurgical process for converting zinc sulfide in an ore containing zinc sulfide, said zinc sulfide being chemically converted at elevated temperatures to ZnSO 2 O which crystallizes substantially in the monohydrate formas ZnSO 4.H 2 O in a conversion solution having a high concentration of H 2 S 4. The process comprises: i) contacting the zinc sulfide of the ore with the Cited by:

    Froth flotation is a process for selectively separating hydrophobic materials from is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century. As free-milling and oxide ores become depleted, more complex polymetallic and refractory ores are being processed, coupled with increasing pressure for stricter environmental compliance. Recent years have also seen a steady reduction in mineral processing and metallurgy graduates and a gradual loss of older operating experience.

    bio-hydrometallurgical processes) of marine ores. 1. Introduction Seas and oceans cover about 71% of the earth’s surface. They contain an enormous stock of various mineral resources such as sedimentary (marine placers), massive sulfide ore deposits, manganese nodules and cobalt-rich ferromanganese crusts. Sea and ocean floor ore deposits. Purchase Gold Ore Processing, Volume 15 - 2nd Edition. Print Book & E-Book. ISBN ,


Share this book
You might also like
Adaptions of muscular activity

Adaptions of muscular activity

Is Germany a hopeless case?

Is Germany a hopeless case?

Evrei i mir

Evrei i mir

Lisette

Lisette

Mesmerism and clairvoyance

Mesmerism and clairvoyance

Walk in dread

Walk in dread

The Bible (Bible Nrsv)

The Bible (Bible Nrsv)

The Kingdom

The Kingdom

Manual Coronary International

Manual Coronary International

Celebrating age

Celebrating age

Do It Yourself

Do It Yourself

Hydrometallurgy of complex sulfide ores Download PDF EPUB FB2

Hydrometallurgy refers to the application of aqueous solutions for metal recovery from Hydrometallurgy of complex sulfide ores book, and has been practiced for copper recovery for many years.

The original impetus for solution methods for copper extraction before the development of froth flotation technology was the existence of large ore bodies of low copper content which were. A Textbook of Hydrometallurgy, 2nd edition The Recovery of Elemental Sulfur from Sulfide Ores by.

Fathi Habashi. Problems of Complex Ores Utilization, edited by Fathi Habashi, Ilya N Author: Fathi Habashi. The refractory sulfide gold ores in which gold is surrounded by sulfide minerals, oxidative pretreatment of the ore is important to oxidize the sulfides and expose the gold (Carrillo-Pedroza et al.

Swapan Kumar Haldar, in Mineral Exploration (Second Edition), Pyrometallurgy. Pyrometallurgy works on the thermal treatment of ores and concentrates resulting in physical and chemical transformations in parent minerals and enables the recovery of valuable metals.

The treatment produces saleable products (metals) or intermediate compounds/alloys (impure metals) for further. Complex sulphide ores represent considerable reserves and resources in base non ferrous metals, in precious metals, and in sulphur. Some of their essential characteristics, which allow a general presentation of the complexity of their processing options, from the ore to the pure metals or finished products, have already been presented by the author (1,2).Cited by: 5.

Hydrometallurgy and electrometallurgy are disciplines of the extractive metallurgy science; here electrometallurgy is considered to be a part of the hydrometallurgy.

Compared with pyrometallurgy, the hydrometallurgy is more environmentally friendly and has the ability to deal with complex and low-grade metallic ores. To make the separation more efficient, small amounts of an anionic sulfur-containing compound, such as Na + C 2 H 5 OCS 2 −, are added; the additive binds to the sulfur-rich surface of the metal sulfide particles and makes the metal sulfide particles even more hydrophobic.

The resulting froth is highly enriched in the desired metal sulfide(s. Hydrometallurgy is a technique within the field of extractive metallurgy, the obtaining of metals from their etallurgy involve the use of aqueous solutions for the recovery of metals from ores, concentrates, and recycled or residual materials.

Processing techniques that complement hydrometallurgy are pyrometallurgy, vapour metallurgy, and molten salt electrometallurgy. 1 PyrometaIIurgy IS the extractIon of metaI from ores anD concen-trates using chemical reactions at high temperatures. 2 Hydrometallurgy is the recovery of metaIs from ores using water-based solutions.

As early as B. C., native copper–the pure metal—was foundas reddish stones in the Med- iterranean area and hammered into utensils. Example Suppose you are working in the chemistry laboratory of a mining company that has discovered a new source of tungsten ore containing about 5% WS 2 in a granite matrix (granite is a complex aluminosilicate mineral).

You have been asked to outline an economical procedure for isolating WS 2 from the ore and then converting it to elemental tungsten in as few steps as possible. You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.

Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. The authors describe the opportunities of low-grade sulfide ores and mine waste processing with heap and bacterial leaching methods.

By the example of gold and silver ores, we analyzed specific issues and processing technologies for heap leaching intensification in severe climatic conditions.

The paper presents perspectives for heap leaching of sulfide and mixed ores from the Udokan (Russia Cited by: 2. Some Milling Practices and Technological Innovations on Benefication of Complex Sulfide Ores in China Application of Wet High Intensity Magnetic Separation to Sulfide Mineral Benefication Recent Process Developments at Inco's Copper Cliff Milling Complex.

To participate in the Metallurgist Forums, be sure to JOIN & LOGIN Use Add New Topic to ask a New Question/Discussion about Hydrometallurgy. OR Select a Topic that Interests you. Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF files and provide a more complete input.

Use Add Comment = to comment on someone else. on Hydrometallurgy in the past decades - a personal view. The section activities and awards to recover zinc from the complex sulfide ores at Flin Flon by roasting the ore then acid I also started to collect literature for an eventual book on extractive metallurgy making use of the.

A quantitative hydrometallurgical process for the selective conversion of lead sulfide (galena) to its sulfate form under ambient conditions of temperature and pressure.

The process works in the presence of associated zinc - copper - iron sulfides which survive the process in a relatively unaltered condition. It is directly applicable to ores or derived concentrates of complex sulfide by: 4.

This book covers various metallurgical topics, viz. roasting of sulfide minerals, matte smelting, slag, reduction of oxides and reduction smelting, interfacial phenomena, steelmaking, secondary steelmaking, role of halides in extraction of metals, refining, hydrometallurgy and electrometallurgy. Most nonconventional hydrometallurgical methods of the processing of complex sulfide ores are based on metals extraction from bulk flotation concentrates (The recovery of zinc, lead and copper by froth flotation, even as a relatively rich concentrate, presents today a rather routine problem.

Metallurgy, art and science of extracting metals from their ores and modifying the metals for use. Metallurgy customarily refers to commercial as opposed to laboratory methods.

It also concerns the chemical, physical, and atomic properties and structures of metals and the principles whereby metals are combined to form alloys. Hydrometallurgy95, – [Google Scholar] Senanayake, G. A review of chloride assisted copper sulfide leaching by oxygenated sulfuric acid and mechanistic considerations.

Hydrometallurgy98, 21– [Google Scholar] [Green Version] Flett, D. Chloride hydrometallurgy for complex sulphides: A by: 4. Chalcopyrite ores are usually processed by means of hydrometallurgical or pyrometallurgical processes, but due to environmental aspects and the possibility of increased exploitation of mixed and lower grade ores and relatively small isolated deposits, there has been a worldwide upsurge of interest in the hydrometallurgical processes of this ore as compared to pyrometallurgy.Heparinized rat blood containing sodium (35)S-sulfide was perfused through isolated rat lungs, kidney or liver.

The rate and extent of sulfide oxidation varied from one organ to another. In the isolated perfused lung system, (35)S-sulfide was oxidized slowly to (35)S-thiosulfate; only small amounts of (35)S-sulfate were detectable, possibly due to the absence of sulfide oxidase.The main impression of this book is to draw attention to the most advance technologies in silver recovery and recycling from various sources.

The state-of-the-art in silver recovery from different sources by hydrometallurgical and bio-metallurgical processing, and varieties of leaching, cementing, reducing agents, peeling, electro-coagulants, adsorbents, electro-dialysis, solvent extraction.