usingusingutilisation of metallurgical wastes to recover metal values

Waste Production and Utilization in the Metal Extraction …

Membrane distillation is another technique that has been used to recover water, and concentrate acid and metal values from mining wastewater and process solutions (Kesieme et al., 2012). This process is a combination of the conventional distillation and membrane separation processes ( Shirazi et al., 2014a ).

REVIEW OF THE GALVANIC STRIPPING PROCESS FOR USE IN TREATING OXIDIZED METAL …

REVIEW OF THE GALVANIC STRIPPING PROCESS FOR USE IN TREATING OXIDIZED METAL W ASTES C.-M. Chang, H. Gu, and T.J. O''Keefe, Department of Metallurgical Engineering and Materials Research Center, University of Missouri-Rolla, Rolla, MO

A STUDY ON TRANSFORMATION OF SOME TRANSITION METAL OXIDES IN MOLTEN STEELMAKING SLAG TO MAGNETICALLY SUSCEPTIBLE COMPOUNDS

A STUDY ON TRANSFORMATION OF SOME TRANSITION METAL OXIDES IN MOLTEN STEELMAKING SLAG TO MAGNETICALLY SUSCEPTIBLE COMPOUNDS V. Shatokha a,*, A. Semykina b, J. Nakano c, S. Sridhar d, S. Seetharaman e a National Metallurgical Academy of Ukraine, Dnipropetrovsk, Ukraine ...

pISSN: 0256-1115 DOI: 10.1007/s11814-014-0298-6 INVITED REVIEW PAPER

phic microorganisms has shown promising results to recover metal values from low grade ores of several mines [12,13], electronic wastes [14,15], fly ash [16,17], red mud [18], waste battery material [19], in coal desulfurization [20] and also in remediation of

(PDF) The use of metallurgical wastes in reactive barriers | …

Abstract The aim of this work is the description of the properties of two metallurgical wastes in relation to their possible use in reactive barriers. The paper presents the results of the physical and geochemical characterization of the wastes by

Integrated bio-pyro-hydro-metallurgical approach to …

Abstract The present study reports an integrated three-step bio-pyro- hydrometallurgical process to recover nickel (Ni) and molybdenum (Mo) from spent petroleum catalyst. High leaching yields of nickel (94%) and molybdenum (92%) along with other critical metals like rhenium, selenium, niobium, chromium, and zirconium were obtained. A toxic element like Pb was leached entirely from the spent ...

utilisation of metallurgical wastes to recover metal values

utilisation of metallurgical wastes to recover metal values FUNDAMENTALS OF ZINC RECOVERY FROM The Enviroplas process was developed at Mintek to treat certain metallurgical wastes, such as Lead Blast Furnace (LBF) slag, Electric Arc Furnace (EAF) dust, and Neutral Leach Residues (NLR) from the zinc industry.

Review of Copper Recovery Methods From Metallurgical …

 · There are specific three methods to recover copper from copper slag; Floatation, Leaching and Roasting. Floatation: Barnes has given industrial floatation process at Mount Isa Mines Limited to recover copper from copper slag. Grinding operation is applied until obtain the granular size of 80%- 74 µm before floatation.

metallurgical industries Process engineering for pollution control

nificance in the non-ferrous metallurgical industries, where the metal values are becoming increasingly leaner in grade, resulting in large tonnages of ore to be processed, inevitably leading to huge accumulations of solid wastes. For ex-17

Ionometallurgical Leaching Process of Bauxite Residue: a …

Ionometallurgical Leaching Process of Bauxite Residue: a Comparison between Hydrophilic and Hydrophobic Ionic Liquids Chiara Bonomi 1, Panagiotis Davris 2, Efthymios Balomenos 3, Ioanna Giannopoulou 4 and Dimitrios Panias 5 1. PhD Candidate 2. PhD

Operational techniques to recover metal values from heap …

Operational techniques to recover metal values from heap inventory and in-situ chemical alteration prior to closure Thom Seal, Department of Mining & Metallurgical Engineering, Mackay School of Earth Sciences and Engineering, University of Nevada, Reno, NV

of non metallic values from

Basak et al.: Recover), of non-ferrous metallic values form metallurgical wastes I. Gas tired furnace 4. Refractory lid 7. Pyrometer 2. Burner 5. Zinc dross 8. Salamander crucible 3. Salamander crucible 6. Refractory tube 9. Distilled zinc 1 Scheniatic diagram of

Use of coreless induction melting for transuranic waste …

In some cases the treatment of metallurgical scrap to recover the plutonium values also generates a nitric acid waste solution. Both waste solutions contain sufficient concentrations of transuranic elements (mostly /sup 241/Am) to require handling and disposal as a TRU waste.

US2802732A

Slag producing material and metallurgical method employing same to recover metal values from steel Download PDF Info Publication number US2802732A US2802732A US396308A US39630853A US2802732A US 2802732 A US2802732 A US 2802732A US ...

(PDF) Sustainability of metal recovery from E-waste

Treatment of electronic waste to recover metal values using thermal plasma coupled with acid leaching – A response surface modeling approach. Waste management, 32(3), 575 – 583 Ruidian T ...

Development of recycling technology to recover …

For the thermal treatment experiment, products collected from the identical manufacturer per battery type have been used to maintain the reproducibility of the composition of metal values in the mixed batteries.

Recovery of Metal Values from Ni-Cd Cake Waste Residue of an Iranian Zinc Plant by Hydrometallurgical …

metals Article Recovery of Metal Values from Ni-Cd Cake Waste Residue of an Iranian Zinc Plant by Hydrometallurgical Route Sushanta Kumar Sahu 1,2,*, Maryam Kargar Razi 3, Mathieu Beuscher 4 and Alexandre Chagnes 1,* 1 CNRS, GeoRessources, Université de Lorraine, 54000 Nancy, France ...

(PDF) Bioleaching and toxicity of metallurgical wastes

 · Metallurgical wastes contain metals that are unrecovered during industrial processing. The disposal of these wastes is technically difficult due to the potential release of metals through weathering.

Innovative Process Technology to Recover Metal Values …

 · Innovative Process Technology to Recover Metal Values from Hazardous Wastes EPA Contract Number: 68D60036 Title: Innovative Process Technology to Recover Metal Values from Hazardous Wastes Investigators: Hyatt, David E. Small Business: Chemical and Metal Industries Inc. ...

Comprehensive Recovery of Multisource Metallurgical Wastes: …

metallurgical solid wastes using hydrometallurgical, pyro-metallurgical and physical processes.4,18,22–32) We used the aluminothermic reduction method that is treated as a self-sustaining technique in this work. During the reduction pro-cess, considerable heat

Role of Hydrometallurgy in Processing of Ores and Minerals & Recovering Metal Values from Wastes

Recovering Metal Values from Wastes P. K. Jena Abstract In recent years, Hydrometallurgy because of its certain operational and economic advantages as well as comparatively environment friendliness, has assumed a leading role for processing ores and ...

Current Research Trends of Microbiological Leaching for Metal …

Usually, metal values are recovered from the respective ores through pyro- and hydro-metallurgical routes or a ... efforts are now being directed to recover metal values from wastes, complex and ...

Using Wastes from the Process of Blasting with Steel Shot to …

Among the industries that generate waste is the metallurgical industry, which, in one of its activities, uses an abrasive called steel shot for the process of preparing the surfaces of metal structures, a process known as steel shot blasting. In this process, the ...

A novel recovery process of metal values from the cathode …

 · A novel process was conducted with experiments which separated and recovered metal values such as Co, Mn, Ni and Li from the cathode active materials of the lithium-ion secondary batteries. A leaching efficiency of more than 99% of Co, Mn, Ni and Li could be achieved with a 4 M hydrochloric acid solution, 80 °C leaching temperature, 1 hour leaching time and 0.02 gml − 1 solid-to-liquid ratio.

Integrated bio-pyro-hydro-metallurgical approach to …

 · Therefore, employing a sequential bio-pyro-hydrometallurgical technique is a more eco-friendly and cost-effective strategy to recover metal values from spent petroleum catalyst. Graphical abstract Download : Download high-res image (193KB)

Integrated bio-pyro-hydro-metallurgical approach to …

Publication date: Available online 17 July 2019Source: Biocatalysis and Agricultural BiotechnologyAuthor(s): Neha Nagar, Himanshi Garg, Chandra Sekhar GahanAbstractThe present study reports an integrated three-step bio-pyro- hydrometallurgical process to recover nickel (Ni) and molybdenum (Mo) from spent petroleum catalyst. High leaching yields of nickel (94%) and …

WO1988003912A1

Process for recovering metal values from a zinc ferrite-containing waste by mixing the ferrite (2) with a solution containing sulfuric acid and a source of ammonium ions to form a sulfuric acid leach mixture (4), heating the leach mixture at a temperature above 50 C ...

Review Innovative methodologies for the utilisation of wastes …

Development of suitable metallurgical processes for metal recovery from red mud is important for bulk utilisation, value addition and moving towards zero waste. Red mud may have 20–65% Fe 2 O 3, 10–27% Al 2 O 3, 5–25% TiO 2, 4–20% SiO 2 and

RI 9522 REPORT OF INVESTIGA TIONSI1994

and recover metal values (~7). Pressurized chloride oxygen leaching of arsenic-bearing wastes was investigated by Smyres and coworkers (5), although a sulfuric-acid leach may offer some advantages since sulfide-mineral processors generally

Utilization of low-grade banded hematite jasper ores: …

 · Abstract A novel approach for the complete utilization of a low-grade banded hematite jasper ore assaying ~ 47% Fe has been taken in order to address the issue of rapid consumption of high-grade iron ores and the rising concerns of waste disposal. The process includes the enrichment of Fe through reduction roasting followed by magnetic separation, and smelting of the non-magnetic fraction …

A Review of Technology of Metal Recovery from …

 · The metal content can be safely recycled and reused for other processes, while the dust and other wastes can be safely land filled []. The process of recycling involves non-incineration technology, consisting of manual dismantling, segregation, shredding, crushing, pulverizing, and density separation, which includes crushing assured destruction, precious metal recovery, and consumer-friendly ...

ISNA is a platform to promote and disseminate scientific …

recover different metal values such as Cu, Ni, Se, Te, Au and Ag from copper anode slime of ICC, Ghatsila copper This work was further extended to produce various

EAF Stainless Steel Dust Processing

the EnviroplasTM process for the treatment of solid wastes from the metallurgical industry, especially steel plant dusts, without requiring agglomeration to produce inert slag and at the same time recover metal values such as nickel, chromium and zinc. The

Metallurgical recovery of metals from electronic waste: A …

 · Pyrometallurgical processing has been a traditional technology for recovery of precious metals from waste electronic equipment. However, state-of-the-art smelters are highly depended on investments. Recent research on recovery of energy from PC waste gives an example for using plastics in this waste stream.

WO2010082065A3

A process for recovering a metal chloride or mixed metal chloride from a solid waste material comprising recoverable metal containing constituents produced by lead, copper or zinc smelting and refining processes, said process comprising the steps of: (i) heating ...

Recover Metals from Electroplating Wastes

 · The method is economically attractive because of the low cost of the waste-plus-waste addition step: No additional reagents are necessary, and the metal values are concentrated. In the five waste-plus-waste combinations investigated, combination of the two wastes caused almost quantitative precipitation of metals and cyanides.