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Outokumpu flash smelting is a closed process which can achieve up to 99% capture of the sulphur-rich gases from the smelting furnace for the production of sulphuric acid The technology was first introduced at Outokumpu's Harjavalta smelter in Finland in the late Get price



ISASMELT products and return slag from the Peirce-Smith converters producing a discard slag for disposal at the slag dump A single-contact sulphuric acid plant to treat the ISASMELT off-gas Together these key elements are responsible for MufuliraGet price


Environmental Guidelines for Copper Smelting

converter slag) and to form blister copper Blister copper is further refined as either fire-refined copper or anode copper (99 5% pure copper) which is used in subsequent electrolytic refining In fire-refining molten blister copper is placed in a fire-refining furnace aGet price


Pyrometallurgical processes and equipment

Pyrometallurgical processes and equipment Processes have been developed for ferro-alloys non-ferrous metals precious-metals concentrate smelting and metallurgical waste treatment Equipment and scale of operation Feed preparation and pre-treatmentGet price


grizzly feeder steel recovery from eaf slag

slag treatment with grizzly feeder in angola eaf slag post processing crushindianpagodain grizzly feeder steel recovery from eaf slag Watch Later harmony gold crushers mills and feeders by Ervingrizzly feeder amp steel recovery from eaf slag Related Links vibrating Get price


The Present Situation and Development of Iron and Steel Slag

3 Advanced technology and equipment of steel slag comprehensive utilization 3 1 Heat pyrolytic pulverization technology of steel slag Since the eighties of last century the iron and steel enterprises have adopted hot pouring processing to treat teel s slag Steel Get price



BLACK-MAX BLACK-MAX takes your existing rusty surface and transforms it into a black polymer shield that stops the rust dead in its tracks! This new surface can be left black or you can repaint it without the concern of ugly rust bleed-though When you want an Get price



BAR DATA HANDBOOK AISI/SAE Chemical Compositions and Metallurgical Data 8000 North County Road 225 East | Pittsboro Indiana 46167 (877) 683-2277 | f: (317) 892-7005 1 TABLE OF CONTENTS INTRODUCTION SDI OVERVIEW 3 COMPANYGet price



Melt refining or liquid melt-slag technology is suitable for compacting and purifying contaminated metal process equipment and accessory equipment after initial deposit removal or after subsequent surface decontamination (Worcester et al 1993) Get price


New Refining Control for LD Converter Using Independent

verter equipment shown in Fig 1 In converter dephos-phorization oxygen is blown into the converter from the converter top through a lance and the phosphorus in the hot metal is oxidized and moves to the slag The control inputs for blowing control include the Get price


Growth of converter steelmaking at Severstal'

Here the amount of metal lost with the slag has been within the range 0 3–0 4 kg/ton The introduction of new equipment (a unit for desulfurizing pig iron and a ladle-furnace unit) allowed the combine to reduce the average basicity of the converter slag to about 3Get price


Smelting and Roasting Ores to recover gold silver and

Historically smelting and roasting of ores have been used to capture the gold from difficult to treat ores Just like those old time miners we don't want to throw any of the silver or gold away as it can be valuable Treating high sulfide ore is a difficult proposition Get price


Control of Slag and Insoluble Buildup in Ladles Melting and

Figure 1: Typical slag buildup in a coreless induction furnace (gray shaded areas) The hottest area of medium and high frequency coreless furnaces is at the mid-point of the power coil All areas of slag deposit will be at a much lower temperature than thoseGet price


Slag and dross

Slag and dross which occur in significant amounts in every metallurgical process have a very bad reputation as partially hazardous residues Often rightly so since the high heavy metal content does not allow its use as a mineral product Get price


Feasibility Study for the Recycling of Nickel Metal Hydride

steel scrap ferrovanadium (in the case of AB2) enriched rare earth slag (in the case of ABs) and low-grade furnace slag The third process borrows from the first process in that it combines chemical leaching and electrowinning but it does not treat the hydrideGet price


Steel Slag Treatment Method

Since 1974 Japan's Nippon Steel Corporation has used shallow pan (ISC disk) water quenching (see figure) to treat converter slag The treatment method is to pour the liquid steel slag into the shallow plate the thickness of the slag layer is about 10 cm and the water is sprayed to cool the slag Get price


Growth of converter steelmaking at Severstal'

Here the amount of metal lost with the slag has been within the range 0 3–0 4 kg/ton The introduction of new equipment (a unit for desulfurizing pig iron and a ladle-furnace unit) allowed the combine to reduce the average basicity of the converter slag to about 3Get price


Heat Affected Zone (HAZ)

The Heat-Affected Zone (HAZ) refers to a non-melted area of metal that has experienced changes in its material properties as a result of exposure to high temperatures The alterations in material properties are usually a result of welding or high-heat cutting procedures Get price



The AS test well will be installed within the saturated slag fill zone and equipped with a short (i e 2-ft) screen interval approximately 25 ft bgs Figure 5 depicts a schematic sectional diagram of the Phase 1 IM Pilot Test well and equipment layout Get price



Recycling of slag into oxygen converter was established as a daily practice (1 2) The trials with recycling of demetallized EAF slag (3 4) were performed in two parts In the first part 200 kg and 300 kg of demetallized slag were added to EAF The fraction 0 to Get price


ISACONVERT™ – Continuous Converting of Nickel/PGM mattes

Southern African Pyrometallurgy 2011 Edited by R T Jones P den Hoed Southern African Institute of Mining and Metallurgy Johannesburg 6–9 March 2011 285 ISACONVERT – Continuous Converting of Nickel/PGM mattes M L Bakker S Nikolic A SGet price



The invention discloses an environment-friendly treatment method for aluminum slag from tin smelting which comprises: reducing and smelting aluminum slag in a shaft furnace wherein the harmful elements including arsenic and antimony form a tin-arsenic Get price



converter aisle on bogies Three 45 tonne main hoist capacity (18t auxiliary hoist capacity) Clarke Chapman main aisle cranes are used to transfer matte to the converters Electric furnace slag is tapped through any of three slag `notches' and granulated inGet price


Summary of Waste Conversion Technologies

Ash slag and inerts for disposal/building materials Steam Combustion Engine or Gas Turbine Product Syngas Fischer‐Tropsch or Other Process Gasification chamber Syngas cleanup Boiler/Heat Recovery Waste Gasif agentpre‐processing (drying sorting etc )Get price


Creating Steel

It is heated to about 1 600 degrees F (871 degrees C) The limestone and ore form a slag that floats on the surface Impurities including carbon are oxidized and float out of the iron into the slag When Get price


Diomidovsky Panenske Brezany in Czechoslovakia The work

form slag and copper oxide and after the converter reaction has taken place converter copper is produced Converter slag white matte and converter copper form a system of three liquid phases mutually miscible only to a limited extent The specific weight ofGet price


ISACONVERT™–Continuous converting of

slag restricts Peirce-Smith converters to an end point of approximately 2 wt% iron in matte Some operators solidify the remaining slag within the Peirce-Smith converter vessel before continuing the blowing cycle to lower iron in matte levels15 The practice ofGet price


Copper extraction

Copper extraction refers to the methods used to obtain copper from its ores The conversion of copper consists of a series of physical and electrochemical processes Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors As in all mining operations the ore must usually be Get price


cobalt processing

2020/9/11Cobalt processing preparation of the metal for use in various products Below 417 C (783 F) cobalt (Co) has a stable hexagonal close-packed crystal structure At higher temperatures up to the melting point of 1 495 C (2 723 F) the stable form is face-centred cubic The metal has 12 Get price



The converter slag is recycled to the ESF as shown in Fig 1 As a consequence the changed slag composition in the converter slag can also affect the ESF as well as the following fuming plant Figure 3 shows the monthly average slag temperature in the ESF Get price


Water Treatment and Purification

Lenntech designs builds and installs a wide range of odour treatment water purification and air filtration products using UV ozone Ecosorb drum filtration Also cooling towers Lenntech Water Treatment solutions is a design and manufacturing company serving Get price

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