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method of separating nickel
A method for extracting valuable metals from low nickel
The method of comprehensive utilization of low nickel matte can achieve deep separation of nickel and copper, and high recovery of nickel, copper, cobalt and Here's a phase diagram for a copper-nickel alloy, which I think is a system where both components are completely soluble in one How to separate alloys? Chemistry Stack Exchange
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Nickel processing Extraction, Refining, Alloying Britannica
Extraction and refining. The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use A method of recovering nickel from spent electroless nickel-plating solutions has been investigated through the electrowinning method, following the precipitation of nickel by Separation and Recovery of Nickel from Spent Electroless Nickel
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Separation of Nickel and Cobalt from Nickel and Cobalt Springer
At present, the separation methods of nickel and cobalt are mainly listed as follows: chemical precipitation method, ion exchange method, membrane separation Since divalent nickel does not form anionic complexes with chloride anions, high separation factors between these two metals can be obtained. However, Selective separation of cobalt and nickel using a stable
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Integrating multi-method approaches for the green separation
The spent electroless nickel plating (SENP) solution comprises abundant complexed nickel, hypophosphite, and phosphite ions, alongside scant organic Abstract. This article describes several chemical methods for separating nickel and cobalt as obtained by ammonia leaching. An electrolytic method for Separation of nickel and cobalt SpringerLink
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Selective cobalt and nickel electrodeposition for lithium-ion Nature
As an alternative, electrochemical methods have been suggested as a promising approach, An Electrolytic Process for Separating Nickel and Cobalt (U S Department of the Interior,Closest to the claimed method of processing a copper-nickel sulfate solution (see ed. Certificate of the USSR N 1447932, class C25C 1/12, 1988), including evaporation of the initial solution to a density of 1.32-1.37 g / cm 3 cooling it to 5-12 ° C, crystallizing the stripped off solution to obtain copper sulfate, separating it from the sulfate solution, RU2449033C1 Method of processing copper-nickel sulphate
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Selective leaching of nickel from mixed nickel cobalt hydroxide
A new method for acid leaching mixed nickel–cobalt hydroxide precipitate (MHP) is proposed; whereby nickel is largely dissolved while cobalt and manganese are stabilised in the solid phase by preferential oxidation.The relevant oxidation thermodynamics are presented. Metal extraction and leaching kinetics were not Process of Separating Copper from Nickel Step 1. The first step in separating copper from nickel is identifying the metals. This can be done using a simple magnet test: if the material attracts to a magnet, it is likely ferrous (made of iron alloys), whereas if it does not attract, it is expected to be non-ferrous (made of metals such as Separating Copper from Nickel The Basics ThePipingMart Blog
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Selective Sulfidation and Electrowinning of Nickel and Cobalt
For recycling of lithium ion batteries (LIB) containing nickel-manganese-cobalt-based (NMC) cathodes, challenges arise from the fact that nickel, manganese, cobalt, and lithium within the cathode exist as mixed-metal oxide compounds and solid solutions [4, 5]; thus separation of lithium, nickel, manganese, and cobalt presently Method of separating nickel Download PDF Info Prior art keywords nickel charge metallic furnace molten Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)US1381720A Method of separating nickel Google Patents
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Obtaining Nickel Concentrates from Sludge Produced in the
Work (Brooks, 1985) describes a method of separating nickel compounds from wastewater sludge with the use of DMG as a precipitation reagent. The application of extraction methods for the qualitative and quantitative separation of nickel and copper compounds is described in Blank et al. .A kind of method of separating copper from nickel and cobalt solution is characterized in that it being to adopt LIX Copper in the series extraction agent extracting and separating nickel and cobalt solution, the processing condition of extraction are: A) material liquid PH value 1.5～2.5 of nickel cobalt liquid;Method for separating copper from nickel and cobalt solution
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Method for separating cobalt, nickel, and aluminum ions in
Method for purifying a nickel sulfate solution by solvent extraction US5966584A (en) * : : Forschungszentrum Julich Gmbh: Method of separating trivalent actinides from trivalent lanthanides US6291705B1 (en) * : : Commodore Separation Technologies, Inc.The spent electroless nickel plating (SENP) solution comprises abundant complexed nickel, hypophosphite, and phosphite ions, alongside scant organic additives. In this study, we introduced an innovative method that uses a combination of alkali and heat treatment-activated PMS to disrupt the nickel ion complexation,Integrating multi-method approaches for the green separation
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Method for producing high-purity nickel sulfate Justia
As an efficient and practical method of separating nickel and cobalt contained in a sulfuric acid solution, solvent extraction has been often employed. For example, Japanese Patent Application Laid-Open No. H10-310437 discloses an example of separating nickel and cobalt by extracting cobalt by solvent extraction using trade name:A method for fully beneficiating nickel sulfide concentrates containing at least Fe and MgO and valuable metals, comprising the steps of: separating nickel sulfide concentrates by concentrating into two separate concentrates by using either a selective flotation concentration process or a dry concentration process, a first of which Method for processing nickel sulfide concentrates
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Method of separating nickel and cobalt Google Patents
A mixture of hydroxides of nickel and cobalt at least a portion of which are divalent are oxidized in aqueous medium to the trivalent state and nickel extracted with an aqueous liquor containing chlorine. To avoid loss, the oxidation is preferably carried out with only sufficient medium to produce a slurry, paste or foam. Suitable oxidizing agents are PROBLEM TO BE SOLVED: To provide a method of effectively separating nickel which is a harmful impurity from zinc sulfate which is use for electrowinning of zinc. SOLUTION: After removing free sulfuric acid from zinc sulfate solution and adding basic zinc salt, dissolved nickel is separated as precipitation by adding dimethyglyoxime, if the adding amount of JP2001180942A Method of separating nickel from zinc sulfate
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RU2327644C2 Method of separating nickel from ammonia
FIELD: chemistry. SUBSTANCE: invention pertains to radio--chemistry and can be used in preparative chemistry and technology of separating nickel from industrial wastes. Nickel is settled through separation of a chloride of an alkaline metal or ammonia from an ammonia solution of nickel until final concentration of the chloride of alkaline metal or ammonia that Nickel is deposited together with Copper on the cathode. The method of the Fixed Cathode Potential is applied in an attempt to avoid that. Copper precipitates in acid medium at a cathode potential of -0.60 V vs Hg/Hg 2 SO 4. Afterwards, Nickel deposits on the cathode in a strong ammonia medium.Separation of Metals f rom a 01 Solution (Cu-Ni) Through 2016
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(PDF) Application of Cyanex® Extractant in Cobalt/Nickel Separation
Cyanex 272 thus proved to be the most appropriate solvent extractant for the separation of cobalt and nickel from sulphate and chloride media due to its stability to common oxidant, better physicoIn this work, hydrometallurgical recycling of metals from high-cobalt-content spent lithium-ion batteries (LIBs) from laptops was studied using precipitation and solvent extraction as alternative purification processes. Large amounts of cobalt (58% by weight), along with nickel (6.2%), manganese (3.06%) and lithium (6.09%) are present in Metals Free Full-Text Solvent Extraction for Separation of 99.9%
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Method of separating nickel and cobalt Google Patents
1342400 Nickel, cobalt recovery DEEPSEA VENTURES Inc 26 May 1971 [26 May 1970] 17244/71 Heading C1A Nickel and cobalt ions are separated from a solution by (1) maintaining the solution's pH at from 3 to 5À5, (2) contacting it with a liquid chelating agent, immiscible with water which will extract both nickel and cobalt from the solution, while I claim: 1. A process for separating cobalt in the form of cobalt (III) hexammine sulphate from an aqueous solution containing cobalt (III) hexammine and nickel (II) hexammine sulphate with a Ni:Co ratio greater than 1:1, comprising adding ammonium sulphate to provide an effective amount of ammonium sulphate, saturating the solution Process for the separation of cobalt from nickel
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