flash converting anode impurities

copper flotation smelting converting anode furnace casting ...

flash converting anode impurities . Typically, blister copper is then fire-refined in an anode furnace, cast into "anodes", and sent to an electrolytic refinery for further impurity elimination. [0003] For converting, the Pierce-Smith and Hoboken converters are the most common processes.

Making the Switch from Hex to Tri Chrome | Products Finishing

May 01, 2014· One of Independent's main concerns was its ability to minimize metal impurities, specifically iron, in the tri-chrome bath. It also needed to watch for a buildup of hex chrome, which can result from ionic conversion of tri chrome in the bath from the anodes. Impurities are removed from the Independent system using hydrogen peroxide.

MINORELEMENTS IN COPPER SMELTINGAND …

pressure were higher than for converting furnaces with silicate slag. In electrorefining, Pb was found to report predominantly to anode slimes while Ni was largely dissolved in the electrolyte. As, Sb and Bi behavior depended primarily on anode composition for given electrorefining conditions.

Understanding Impurities in copper electrometallurgy

UNDERSTANDING IMPURITIES IN COPPER ELECTROMETALLURGICAL PROCESSES By PAUL LAFOREST A THESIS Presented to the Faculty of the Graduate School of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE IN METALLURGICAL ENGINEERING 2015 Approved by Michael S. Moats, Advisor

Copper processing - Roasting, smelting, and converting ...

Copper processing - Copper processing - Roasting, smelting, and converting: Once a concentrate has been produced containing copper and other metals of value (such as gold and silver), the next step is to remove impurity elements. In older processes the concentrate, containing between 5 and 10 percent water, is first roasted in a cylindrical, refractory-lined furnace of either the hearth or ...

Dealing with Impurities - che.utah.edu

magnesium (or zinc) anode assures that the galvanic cell makes the pipeline the cathode. (b) An impressed voltage between a scrap iron ... • Add Flash after Reactor – Non-condensables to flare ... • Impurities Impact Equilibrium Conversion • Impurities Impact Reaction Rates

Copper Smelting Process – Furnaces Used, By-Products, and ...

This process consists of suspending an anode in a tank containing copper sulphate and a plate of pure copper effectively acting as a cathode. A current is passed through the solution and the copper ions are stripped from the anode and deposited on the cathode, the impurities falling through the solution to the bottom of the tank.

Rio Tinto Kennecott Smelter - Outotec

Rio Tinto Kennecott Smelter; Rio Tinto Kennecott Smelter - 20 Years Strong. The Rio Tinto Kennecott (RTK) Smelter near in Salt Lake City, Utah is entering its 20 th year of operation since the Smelter Modernization Project in the early 1990's when flash smelting and Kennecott-Outotec Flash Converting was first implemented.

WO1998012360A1 - Process for refining high-impurity copper ...

A process for refining high-impurity blister copper to anode quality copper is disclosed. In an oxidation step of a blister copper refining stage, soda ash fluxing removes antimony and arsenic while also removing sulfur and iron. In a deoxidation step of the blister copper refining stage, sulfur hexafluoride is injected at a controlled oxygen concentration to remove bismuth while reducing the ...

Chapter 6 Copper Production Technology - princeton.edu

Converting i Anode refining and casting I I I Anodes (99.5% Cu) I Cathodes (99.99+% Cu) SOURCE: Office of Technology Assessment. opment of the mines of Cumberland and North Wales. When the Remans left Britain early in the 5th century, however, economic development stagnated and it was a thousand years or more before Britain's metal industry ...

Process for refining high-impurity copper to anode copper ...

Dec 15, 1998· The above-discussed shortcomings of the prior art are overcome, and the aforementioned need is substantially satisfied by the present invention, which in one aspect is a process for refining high-impurity blister copper to anode quality copper by: (1) soda ash fluxing in the oxidation step of a blister copper refining stage to remove antimony ...

Economic Impacts of Air Emission Standards: Primary …

converters. The converter operation continues to remove sulfur, iron, and other impurities and produces blister copper, which is at least 95 percent copper. The blister copper is charged to the anode furnaces, where further refinement takes place. The anode copper, now 99.5 percent pure copper, is cast in copper anodes. Copper anodes are the

ASARCO » Smelting

The Oxygen Flash Furnace At the Asarco copper smelter in Hayden, Arizona, the oxygen flash furnace is initially heated up with natural gas. It becomes so hot that the copper concentrate immediately ignites when it is blown into the furnace along with oxygen and a silica-bearing flux.

Recent operation and environmental control in the ...

flash smelting furnace. Matte is granulated and processed using Kennecott-Outokumpu flash converting. Copper anodes are processed in a modernized copper refinery using the Kidd Process while anode slimes are processed for precious metals recovery using a unique hydro-metallurgical process.

OF AN IDEAL SMELTER - マテリアル

to embody continuous converting. The relatively small tonnage of converter slag (carrying about 14% copper) overflows the C-furnace, and is water granulated, dried and recycled to the S-furnace. Blister with about 0.6 to 0.7% sulfur siphons up out of the furnace, and is continuously delivered to the anode furnaces for pyro-refining to anode copper.

BUILD INDUSTRIAL PAKISTAN: Reko Diq Copper-Gold Project

Nov 27, 2011· For 10 days an electric current is applied between the anode and the cathodes, causing the copper ions to migrate from the anode to the cathodes. Gold and Silver (considered impurities) drop off into the acid solution and settle to the bottom of tank are collected as electrolytic slims.

Extractive Metallurgy of Copper Table Of Contents

Preface to the Fourth Edition . xvii : Preface to the Third Edition . xix : Preface to the Second Edition . xxi : Preface to the First Edition . xxiii 1 Overview

Flash Converting Anode Impurities - antwerpsehavenpijl.be

Flash Converting Anode Impurities. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment. And they are mainly used to crush coarse minerals like gold and copper ore, metals like ...

Chemistry 30 - Electrochemistry Flashcards | Quizlet

in the making of steel, the removal of impurities from pig iron involving oxidation reactions. ... and in converting electrical energy to chemical energy. Voltaic cell. ... using a more reactive metal that acts as the saced anode. Electrolytic cell.

Kennecott Copper Mine Utah | Flickr

After being cooled, the copper matte is crushed and fed into a flash converting furnace, which removes most of the remaining impurities to produce a molten copper, called blister, which is about 98% copper. Anode furnaces refine it further, and the copper is cast into plates called anodes, weighing about 700 pounds each and containing 99.6% copper.

FLASH CONVERTING AFTER 10 YEARS - ResearchGate

FLASH CONVERTING AFTER 10 YEARS ... and its impurity control strategy ... Matte is granulated and processed using Kennecott-Outokumpu flash converting. Copper anodes are …

An update on Flash Converting at Kennecott Utah Copper ...

An update on Flash Converting at Kennecott Utah Copper corporation ... Outokumpu flash converting. Copper anodes are processed in a modernized copper refinery using the Kidd Process while anode ...

Flash Converting — Continuous Converting of Copper Mattes ...

Oct 26, 2012· The process, known as Kennecott-Outokumpu Flash Converting, involves reaction of solidified matte particles with industrial grade oxygen, in a flash furnace, to produce blister copper and a small quantity of slag which can be recycled to the primary smelting furnace.

Flash Smelting - an overview | ScienceDirect Topics

The converting furnace's molten copper flows continuously by gravity into a refining furnace for anode-making. ... because its final copper retains some of the noxious impurities in the original ore. At present there are four installations worldwide. A newer manifestation of continuous smelting–converting is flash smelting–flash ...

Primary Copper Smelter and Refinery as a Recycling Plant—A ...

converting, fire-refining, anode casting, and electrorefining, also together six process stages or subsystems. The treatment of offgases from smelting includes dust collection and recycling, and acid production. Sometimes, the offgas treatment can include impurity removal from dust before dusts are recycled back to the smelting furnace.

Innovations: Trapping Sulphur - Copper

It is estimated that without flash smelting, the annual world sulphur dioxide emissions would be 5 to 10 million tonnes higher. A Big Step for Copper Smelting: Flash Converting. Converting, an integral part of the copper smelting process, is the removal of impurities by …

flash converting anode impurities - bondhumahal.in

Home flash converting anode impurities CHEM-GUIDE: Refining of metals: poling, electro … Impurities present in the anode settle down as anode mud under the anode Anode finally disintegrates while the cathode gains in weight due to the collection of pure metal The metals so extracted are further refined by suitable methods.

Smelting - an overview | ScienceDirect Topics

The disadvantage of pneumatic converter steel is that the nitrogen, hydrogen and other impurities in the air will interfuse easily, the smelting time is short, and the impurity content is difficult to control, so the quality is poor; the quality of oxygen converter steel is high, …

Gen Chem II EXAM #4 Flashcards | Quizlet

Start studying Gen Chem II EXAM #4. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. ... A. hydrogen is liberated at the anode B. oxygen is liberated at the anode ... A. Converting the metal into a gaseous compound to remove impurities B.Converting the metal to a liquid to remove impurities

Extractive Metallurgy of Copper - 1st Edition - Elsevier

Downward lance mitsubishi continuous converting. Solid matte outokumpu flash converting. Submerged-tuyere noranda continuous converting. % Cu-in-slag. ... Behavior of anode impurities during electrorefining. Industrial electrorefining. ... which led quickly to the book Extractive Metallurgy of Copper. This book has gone into five English ...