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recovery metallurgical process slag

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Various slags are produced as by-products in metallurgical processes or as residues in incineration processes. According to the origins and the characteristics, the main slags can be classified into three categories, namely ferrous slag, non-ferrous slag and incineration slag. This paper analysed an

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Steel slag is a by-product in the metallurgical process [1] which can be divided into blast furnace slag, converter slag and electric furnace slag. There are more than 300 million tons of steel ...

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Granulation and Heat Recovery from Metallurgical Slags ...

Dec 09, 2019  高达10%返现  In this paper, the slag granulation and heat recovery options are reviewed and given a critical evaluation, aiming to provide a basis for future directions in slag handling. Metallurgical slags are produced at a massive rate of over 750 Mt/year, and carry a thermal energy equivalent to 40 Mt/year of coal.

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Recovery of heat from molten slag from metallurgical ...

We claim: 1. A method of recovering heat from slag from a metallurgical process, comprising the steps of placing a molten slag below radiant heat absorbing tubes, passing a fluid medium through the heat absorbing tubes, causing heat radiated by the molten slag and by subsequently solidified slag at high temperature to undergo transfer to the fluid medium and thereby to be recovered, and ...

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Slag Metallurgy and Metallurgical Waste Recycling ...

Jul 29, 2016  高达10%返现  Slag is a typical byproduct generated during high-temperature metallurgical processes. It must be treated appropriately to meet the increasingly strict environmental requirements and to realize the economic benefits.1,2 The present topic, “Slag Metallurgy and Metallurgical Waste Recycling,” collects eight articles, which demonstrate the progress of slag metallurgy and metallurgical

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Jun 25, 2016  Metallurgical slags, discharged at high temperature range, are produced as by-products in metallurgical processes. In order to reuse waste energy in molten metallurgical slags, the dry granulation and waste heat recovery technology is a popular technology, compared to

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Mar 01, 2019  The described method was also applied to the recovery of Au(III), Pd(II), Pt(IV), and Ru(III) in metallurgical slag. The nickel refinery slag was obtained from Jilin Jien Nickel Industry Co. Ltd. At present, a large number of refinery waste is produced in the refining process

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Recycling and environmental issues of metallurgical slags ...

furnace (EAF) for steel making and secondary metallurgical process (SMP) for refining. Correspondingly, slags can be classified as three major types: BF slag, BOF slag and SMP slag. The BF slag accounts for about twice the amount of BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount.

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FUNDAMENTALS OF ZINC RECOVERY FROM METALLURGICAL

FUNDAMENTALS OF ZINC RECOVERY FROM METALLURGICAL WASTES IN THE ENVIROPLAS PROCESS Masud A. Abdel-latif Mintek, Randburg, Republic of South Africa [email protected] KEY WORDS: Enviroplas, D.C. Arc Furnace, ISP Condenser, EAF Dust, LBF Slag, Dross, Premelting, Smelting, Zinc Fuming. ABSTRACT

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Recovery of heat from molten slag from metallurgical ...

We claim: 1. A method of recovering heat from slag from a metallurgical process, comprising the steps of placing a molten slag below radiant heat absorbing tubes, passing a fluid medium through the heat absorbing tubes, causing heat radiated by the molten slag and by subsequently solidified slag at high temperature to undergo transfer to the fluid medium and thereby to be recovered, and ...

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Metallurgical Processing Strategies for Metals Recovery ...

Slag produced as a byproduct in industrial processes, contains considerable metals contents, which need to be recovered to avoid environmental contamination. In present review, the types, applications, recovery of metals from slag and their hazardous effects have been discussed. Gravimetric, magnetic, floatation, pyrometallurgical and hydrometallurgical treatments are discussed for processing ...

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Lead and Zinc Recovery from Metallurgical Slags

Lead and Zinc Recovery from Metallurgical Slags B. Friedrich, J. Böhlke Abstract In the course of the pyrometallurgical production of lead and zinc it is unavoidable that the slags which are produced as a by-product contain significant amounts of lead and zinc. These contents of lead and zinc in the slags lead to a decreased yield and

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Zinc recovery from metallurgical slag and dust by ...

Jul 11, 2018  Metallurgical slag and dust (MSD) from lead and zinc smelting, steel dust and galvanized steel scrap are important secondary sources of zinc and other valuable metals. This paper describes the production feasibility and rationality of a cleaner zinc recovery process using MSD and a hydrometallurgical method.

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A clean metallurgical process for vanadium precipitation ...

Aug 26, 2021  A clean metallurgical process for separation and recovery of vanadium and chromium from V-Cr-bearing reducing slag Hydrometallurgy , 181 ( 2018 ) , pp. 1 - 6 Article Download PDF CrossRef View Record in Scopus Google Scholar

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Comprehensive Recovery of Multisource Metallurgical

and achieve full slag utilization, it will favor the sustainable development of the metallurgical industry.1) The comprehen-sive recovery of multisource metallurgical wastes is likely to be one of the most effective methods to achieve this goal. Nickel slag is a metallurgical solid

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Recovery of iron and manganese values from metallurgical ...

Recovery of iron and manganese values from metallurgical slags by the oxidation route Anna Semykina Doctoral Thesis Division of Materials Process Science Department of Materials Science and Engineering Royal Institute of Technology SE-10044 Stockholm, Sweden Akademisk avhandling som med tillstånd av Kungliga Tekniska Högskolan i

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Recovery of cobalt, nickel, and copper from slags, using ...

The aim of a slag cleaning process is to maximize the recovery of valuable metals (such as Co, Ni, and Cu) in an alloy with the lowest possible iron content. ... Metallurgical flexibility because of independent power supply ... G.B. Harris, and J.A. Thomas, "Development of a Process for the Recovery of Electrolytic Copper and Cobalt from Rokana ...

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[PDF] Fundamentals of zinc recovery from metallurgical ...

Abstract The Enviroplas process was developed at Mintek to treat certain metallurgical wastes, such as lead blast furnace slag, electric arc furnace dust, and neutral leach residues from the zinc industry. The process relies on a DC arc furnace and an ISP lead splash condenser for the direct recovery of the contained zinc as prime western grade metal, with the simultaneous production of a ...

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FUNDAMENTALS OF ZINC RECOVERY FROM

FUNDAMENTALS OF ZINC RECOVERY FROM METALLURGICAL WASTES IN THE ENVIROPLAS PROCESS Masud A. Abdel-latif Mintek, Randburg, Republic of South Africa [email protected] KEY WORDS: Enviroplas, D.C. Arc Furnace, ISP Condenser, EAF Dust, LBF Slag, Dross, Premelting, Smelting, Zinc Fuming. ABSTRACT

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Atoll Metal Recovery, metal recovery services ...

Atoll Metal Recovery is a world leader in the provision of metal recovery services to metallurgical processors and mining companies. Since its formation, Atoll Metal Recovery has built 11 major metal-from-slag recovery plants in Southern Africa, capable of processing between 120 and 200 t/h of slag.

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Augment: Metallurgical Recovery - Team CoFH

Jul 25, 2021  Installed metallurgical recovery augments provide a chance for an induction smelter to not consume a metallurgical flux after an operation. However, they also increase the amount of energy required per operation. Metallurgical fluxes are items that are commonly used in smelter recipes: sand, soul sand, rich slag and cinnabar.

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NICKEL RECOVERY FROM ELECTRIC ARC FURNACE SLAG BY

During the pyrometallurgical treatment of the nickel-bearing laterite in the plant of G.M.M. S.A. LARCO, slag is produced after treatment in electric-arc furnace (EAF) that contains 0.10 to 0.20 % Ni. Taking into account the great quantity of slag produced per year, the recovery of nickel from the EAF slag will add benefits to the entire process.

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SEM study of a lead-iron slag flotation process - SciELO

A pyrometallurgical process typically allows a 93% to 97% recovery of the lead contained in the scrap. The remaining lead is lost in the slag, a residue which constitutes about 20% to 25% of the total furnace-feeding load (Nunes, 2015 NUNES, J. A. S. Lead recovery from metallurgical slag through flotation.Recife: Federal University of Pernambuco, 2015. 117 p.

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Recovery of metal values from copper slag and reuse of ...

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product ...

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A clean metallurgical process for vanadium precipitation ...

Aug 26, 2021  A clean metallurgical process for separation and recovery of vanadium and chromium from V-Cr-bearing reducing slag Hydrometallurgy , 181 ( 2018 ) , pp. 1 - 6 Article Download PDF CrossRef View Record in Scopus Google Scholar

Read More
Comprehensive Recovery of Multisource Metallurgical

and achieve full slag utilization, it will favor the sustainable development of the metallurgical industry.1) The comprehen-sive recovery of multisource metallurgical wastes is likely to be one of the most effective methods to achieve this goal. Nickel slag is a metallurgical solid waste from the nickel smelting industry.

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Comprehensive Recovery of Multisource Metallurgical Wastes ...

Since FeO in the nickel slag exists mainly in the form of silicates, and SiO 2 is the network former in a slag structure according to related works. 8,9,10,11,12) A network-modification process is essential to separate FeO from the silicate structure. Appropriate modification would benefit the recovery process

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Recovery of iron and manganese values from metallurgical ...

Recovery of iron and manganese values from metallurgical slags by the oxidation route Anna Semykina Doctoral Thesis Division of Materials Process Science Department of Materials Science and Engineering Royal Institute of Technology SE-10044 Stockholm, Sweden Akademisk avhandling som med tillstånd av Kungliga Tekniska Högskolan i

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Recovery of Aluminum from Industrial Waste (Slag) by ...

studied a process for the recovery of aluminum by treating black dross of aluminum , a waste formed during aluminum scrap smelting [6] . Li Jinping et al. (2007) investigated the recovery of aluminum and iron from boiler slag taken from factories using coal. Recovery of aluminum based on the applications of hydro-metallurgical processes, like

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Slag recycling - recovery

Slag imports accounted for 5.2 % of the total in 2017. The 2015 recovery quantities for blast furnace slag are shown in Fig. 15. Granulated slag makes up 86 %, of which almost the entire amount is

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[PDF] Fundamentals of zinc recovery from metallurgical ...

Abstract The Enviroplas process was developed at Mintek to treat certain metallurgical wastes, such as lead blast furnace slag, electric arc furnace dust, and neutral leach residues from the zinc industry. The process relies on a DC arc furnace and an ISP lead splash condenser for the direct recovery of the contained zinc as prime western grade metal, with the simultaneous production of a ...

Read More
Augment: Metallurgical Recovery - Team CoFH

Jul 25, 2021  Installed metallurgical recovery augments provide a chance for an induction smelter to not consume a metallurgical flux after an operation. However, they also increase the amount of energy required per operation. Metallurgical fluxes are items that are commonly used in smelter recipes: sand, soul sand, rich slag

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Figure 5 from Zinc recovery from metallurgical slag and ...

DOI: 10.1098/rsos.180660 Corpus ID: 52005992. Zinc recovery from metallurgical slag and dust by coordination leaching in NH3–CH3COONH4–H2O system @article{Ma2018ZincRF, title={Zinc recovery from metallurgical slag and dust by coordination leaching in NH3–CH3COONH4–H2O system}, author={Aiyuan Ma and X. Zheng and S. Li and Yihong Wang and S. Zhu}, journal={Royal Society Open Science ...

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Atoll Metal Recovery, metal recovery services ...

Atoll Metal Recovery is a world leader in the provision of metal recovery services to metallurgical processors and mining companies. Since its formation, Atoll Metal Recovery has built 11 major metal-from-slag recovery plants in Southern Africa, capable of processing between 120 and 200 t/h of slag.

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG FLOTATION TAILINGS BY OXIDATIVE LEACHING Daniela M. UROSEVIC*, Mile D. DIMITRIJEVIC**, Zoran D. JANKOVIC***, Dejan V. ANTIC** * Mining and Metallurgical Institute, Zeleni Bulevar 35, 19210 Bor, Serbia

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Minerals Special Issue : Metallurgical Slags

Sep 30, 2019  Multidisciplinary studies of metallurgical slags are mostly focused on: (1) reuse of these materials (for construction purposes or element recovery), (2) potential environmental impact of these wastes, (3) exploration how metallurgy evolved through human history. The purpose of this Special Issue is to collect research papers presenting the ...

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NICKEL RECOVERY FROM ELECTRIC ARC FURNACE SLAG BY

During the pyrometallurgical treatment of the nickel-bearing laterite in the plant of G.M.M. S.A. LARCO, slag is produced after treatment in electric-arc furnace (EAF) that contains 0.10 to 0.20 % Ni. Taking into account the great quantity of slag produced per year, the recovery of nickel from the EAF slag will add benefits to the entire process.

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