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"metal values recovery"

Recovery of metal values from copper slags by flotation ...

2007-2-1 · The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe were subjected to an experimental study. Two different routes were followed to recover the metal values. The first route was roasting the slag with pyrite followed by leaching. The second route was ...

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Hydrometallurgical process for recovery of metal values ...

A completely hydrometallurgical process has been developed for the recovery of metal values such as cobalt, nickel and rare earths from spent nickel-metal hydride (Ni-MH) secondary batteries. Effects of hydrochloric acid concentration, temperature, reaction time and solid-to-liquid ratio on leaching of metals contained in the electrode ...

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Recovery of metal values from spent lithium-ion batteries ...

Recovery of metal values from spent lithium-ion batteries with chemical deposition and solvent extraction Elsevier 0 ： 187 ： J Nan,D Han,X Zuo ： This paper describes a new recycling process of metal values ...

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The recovery of metal values from process residues

In the mineral processing and metal extraction industries, by-product recovery can bring economic benefits and maximize the utilization of the resource, while minimizing the environmental impact of a processing plant. In addition, by-product recovery is now often necessary for compliance with environmental regulations. This article reviews three successful operations that derive by-products ...

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(PDF) Recovery of metal values from copper slags …

J., 1986, "Recovery of metal values from secondary copper slags," Proceedings of the 1 st International Mineral Processing Symposium, Izmir, T urkey, 29 September -1 October, pp. 46-64.

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Recovery of metal values from spent nickel ...

A hydrometallurgical process is developed for the separation and recovery of metal values such as nickel, cobalt and rare earths from spent nickel-metal hydride (Ni-MH) rechargeable batteries. After removal of the external case, the electrode materials are dissolved in 2 M sulfuric acid solution at 95°C. The resulting liquor contains typically (g l ^-1), 10.6 Ni, 0.85 Co, 1.70 Fe, 0 ...

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Recovery of metal values from ...

FIG. 1 is a schematic block diagram showing an integrated system for recovering metal values from source materials according to the process of the present invention. FIG. 2 is a schematic block diagram showing a solvent extraction process for the removal of uranium from one of the streams of the metal value recovery process. DETAILED DESCRIPTION

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Recovery of metal values from spent hydrodesulfurization ...

1995-3-1 · Recovery of Ni from a large excess of Al generated from spent hydrodesulfurization catalyst using picolylamine type chelating resin and complexane types of chemically modified chitosan. Hydrometallurgy 1999, 51 (1), 73-85.

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A novel flowsheet for the recovery of metal values from ...

Recovery of metal values from waste printed circuit boards using physical beneficiation techniques was studied. A novel flowsheet using a combination of wet and dry unit operations was developed to achieve the separation of metals from non-metallic constituents. The wet concentration circuit consisted of flowing film concentration in tabling, flotation of plastics and enhanced gravity ...

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A novel flowsheet for the recovery of metal values from ...

2021-9-19 · A novel flowsheet for the recovery of metal values from waste printed circuit boards. A. Das, A. Vidyadhar and S.P. Mehrotra. Resources, Conservation & Recycling, 2009, vol. 53, issue 8, 464-469 . Abstract: Recovery of metal values from waste printed circuit boards using physical beneficiation techniques was studied. A novel flowsheet using a combination of wet and dry unit operations was ...

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Recovery of Metal Values from Spent ...

Recovery of Metal Values from Spent Lithium Primary Battery. Article Preview. Abstract: This document explains and demonstrates how to prepare your camera-ready manuscript for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. The text area for your manuscript must be 17 cm wide and 25 cm high ...

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Recovery of Principal Metal Values From Waste ...

2021-8-27 · I RECOVERY OF PRINCIPAL METAL VALUES FROM WASTE HYDROPROCESSING CATALYSTS By B. W. Jong, 1S . C. Rhoads, 2 A. M. Stubbs, 1 and T. R. S· toeltmg 3 With an Appendix on Process Economics by Thomas A. Phillips ABSTRACT The U.S. Bureau of Mines investigated anhydrous chlorination and caustic-acid leaching processes to recover Ni, Co, Mo, and W from ...

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Platinum Group Metal Recovery from ...

2014-3-20 · Platinum Group Metal Recovery from Spent Catalytic Converters . The catalyst component of a catalytic converter is usually platinum (Pt), along with palladium (Pd), and rhodium (Rh). All three of these platinum group metals, or PGMs, are …

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A novel recovery process of metal values from the cathode ...

Abstract 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 ...

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Separation and recovery of metal ...

2015-4-15 · So far, numerous methods for the recovery of valuable metals from leaching liquor of spent lithium-ion batteries have been proposed. According to the references, the main techniques that have already been investigated to recover metal values from leaching liquor of spent lithium-ion batteries are listed in Table 1.As reflected in Table 1, the main recycling efforts were focused on LiCoO 2 or a ...

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Daily Metal Price: Free Metal Price Tables and Charts

Updated daily. Spot prices on 23 base metals, precious metals, rare metals and materials PLUS charts and historical prices going back as far as January 2000.. NEW We''ve added 7 new metals and materials including: Uranium, Neodymium, Lithium, Gallium, Indium, Tellurium and Steel Rebar!. NEW ARCHIVE We''ve added a metal price archive with metal prices going back to 2000 in USD and back to 2010 in ...

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Recovery of metal values from copper slags ...

Recovery of metal values from copper slags by flotation and roasting with pyrite G. Bulut, K.T. Perek, A. Gül, F. Arslan and G. Önal Assistant professor, research assistant, assistant professor ...

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Biooxidation process for recovery of metal values from ...

1996-1-11 · A hydrometallurgical process for the recovery of one or more metal values from a metal ore material in the presence of clays and/or fines material said ore material being comprised of one or more metal values and a matrix material having a sulfur content wherein the sulfur is present in an oxidation-reduction state of zero or less.

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Recovering metal values hydrometallurgically from spent ...

A hydro-pyrometallurgical method was used to recover metal values from spent dry battery cells. Water-soluble ingredients were filtered, and solid residue was sorted by magnetic separation and water flotation. Parameters affecting the recovery efficiency were also studied. Results revealed that metallic parts, carbon rods, and paper were safely recovered; pure NH4Cl, MnO2, and ZnCl2 salts were ...

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The recovery of metal values from process residues

The recovery of metal values from process residues Edwards, C. R. Abstract. In the mineral processing and metal extraction industries, by-product recovery can bring economic benefits and maximize the utilization of the resource, while minimizing the environmental impact of a processing plant. In addition, by-product recovery is now often ...

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Effective separation and recovery of valuable metals from …

2021-8-24 · High value-added lead anode slime (LAS) contains valuable Ag and Au, as well as high levels of harmful elements, mainly As, Sb and Te. Traditional LAS pyrometallurgical treatment, which is a complex Pb and Sb extraction flow used for precious metal recovery, has exhausted energy sources and discharged hazardous wastes that have an increasingly harmful impact on the environment.

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Plasma processing of waste for recovery of metal values …

2013-8-5 · Plasma processing of waste for recovery of metal values P. S. Mukherjee and K. Jayasankar Advanced Materials Technology Department CSIR-Institute of Minerals & Materials Technology Bhubaneswar, India. Email : [email protected] Industrial waste generated by developing and developed countries pose a major threat to the environment.

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Recovery of metal values from zinc solder ...

1999-11-1 · Myerson and Cudahy studied the recovery of Zn, Cu, Pb, Sn and Cd by leaching with H 2 SO 4 followed by neutralizing the acidic solution with ZnO or Zn(OH) 2 and cementing the final products to the metal values. Thiele et al. used 1–5 M H 2 SO 4 for recovery of aluminum and zinc.

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

Recovery of metal values from copper slag and reuse of residual secondary slag Waste Manag. 2017 Dec;70:272-281. doi: 10.1016/j.wasman.2017.09.024. Epub 2017 Oct 5. Authors Prince Sarfo 1, Avimanyu Das 1, Gary Wyss 2, Courtney Young 3 Affiliations 1 Metallurgical and Materials ...

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Recovery of Metal Values from Spent Battery Leach ...

2015-7-28 · The recovery of metal values using solvent extraction technologies from leach solutions of lithium-ion and zinc-carbon batteries has been investigated and flowsheets have been developed. A mixed solvent extractant system was developed for the purification of cobalt

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Recovery of scrap iron metal value using biogenerated ...

2006-1-26 · A ferric iron rich (70 mol%) lixiviant resulting from bioreactor based growth of A. ferrooxidans readily solubilized target scrap metal with the resultant generation of a leachate containing elevated ferrous iron levels and solubilized copper previously resident in the scrap metal. Recovery of the copper value was easily accomplished via a ...

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(PDF) Recovery of metal values from copper slags …

J., 1986, "Recovery of metal values from secondary copper slags," Proceedings of the 1 st International Mineral Processing Symposium, Izmir, T urkey, 29 September -1 …

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Hydrometallurgical recovery of metal values ...

Hydrometallurgical recovery of metal values from sulfuric acid leaching liquor of spent lithium-ion batteries Xiangping Chen, Yongbin Chen, Tao Zhou⇑, Depei Liu, Hang Hu, Shaoyun Fan Key ...

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

Recovery of metal values from copper slag and reuse of residual secondary slag. Resource and environmental factors have become major forces in mining and metallurgy sectors driving research for sustainability purposes. The concept of zero-waste processing has been gaining ground readily. The scant availability of high quality raw materials has ...

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Recovery of Nanoparticles of Metal Values ...

This work provides a method to recover monolayer metal values having nanoparticle in size from spent metalized graphite brushes. The recovered metals are supported on porous glassy carbon substrate by chemical or electro deposition process. The chemical method involves crushing and grinding of the spent brushes to pass 200 mesh. Magnetic separation removed magnetic susceptible metals such as iron.

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Recovery of Metal Values Prior to Reclamation of Mined ...

Citation Rabb, D.D., 1980, Recovery of Metal Values Prior to Reclamation of Mined Areas in the Southwest. Arizona Geological Survey Open File Report, OFR-80-14, 49 p.

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Hydrometallurgical process for the recovery of metal ...

(PDF) Recovery of metal values from copper slags by ...

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Metal Value Recovery From Metal Hydroxide Sludges

The treatment of hydroxide sludges for metal value recovery will produce several beneficial results, i.e., economic benefits from the metal values recovered will help offset the cost of recovery/treatment; nonrenewable resource metals will be recycled for use by society; and signif- icantly less hazardous material will be disposed of in landfills.

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(PDF) Metal-value recovery from metal ...

Recovery of metal values from multicomponent metal hydroxide sludge materials has been effectively demonstrated by Twidwell, 1984;Dahnke, 1986; Twidwell and Dahnke, 1988; and Shuey and Twidwell ...

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Recovery of metal values from spent ...

2005-12-1 · The steel crusts of spent LIBs should be dismantled and separated before the recovery of metal values. As mentioned by Tanii et al. [8], it was shown that the positive and negative electrodes of batteries with remainder capacities easily came into contact with each other and caused a short-circuit current flow when spent LIBs were dismantled.

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