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Nickel Slag Recovery Process

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Atoll Metal Recovery Metal Recovery Services :

since its formation, atoll metal recovery has built major metal-from-slag recovery plants in southern africa, capable of processing between 120 and 200 th of slag. It has also constructed a 100 th plant for sweden, a th plant for france and has supplied th to th mobile jigging plants to clients throughout the world.the process was optimised for the recovery of lead from matte, in which lead is present in the metallic state. the solvometallurgical process was also applied to the slag, in which lead is present as pbs and metallic lead. lead could be recovered from the slag by acetic acid leaching, but only the lead that was present in metallic state.the invention provides a waste heat recovering device of high-temperature metallurgy slag particles. the device comprises a middle hopper, a boiler body, a steam pocket, a superheater, an evaporator, an economizer and a discharging machine, wherein the middle hopper is arranged above the material inlet of the boiler body; a refractory material is arranged in the boiler body and a rectangle

Cadmium Recovery Inmetco Rechargeable Batteries:

figure nickel-cadmium batteries collected for recycling in north america. the inmetco nicd battery recycling process. the international metals reclamation company, inc. located in ellwood city, pennsylvania, began operations in 1978 as a metals recycler.inmetco is committed to the concept of sustainable development, which requires balancing the need for economic growth with whyte, r.m. development of a process for the recovery of electrolytic copper and cobalt from rokana converter slag. in: jones, m.j. advances in extractive metallurgy 1977 pp. 68.the entire metal remained in the molten state for about 180 minutes thereby assuring good metal-slag separation. upon cooling, the metal ingot was readily separated from the slag with a sharply defined demarcation between the metal and slag phases. nickel recovery in

Nickel Smelting And Refining Ifc:

nickel sulfide ores often contain other metals such as copper and precious metals, and con-sideration should be given to further process-ing for their recovery. slag can be used as construction material after nickel recovery, as appropriate (e.g re turn of converter slag to the new hydrometallurgical process that vale developed will process the nickel concentrate directly to metal products without first having to smelt the concentrate. the concentrate will be processed in a pressurized vessel where it will react with oxygen and sulphuric acid to produce an impure solution of nickel, cobalt and copper.hard zinc is a kind of zinc-based alloy as the byproduct of certain zinc processing, including waste galvanizing zinc from hot dip galvanizing of steel industry, the zinc residue from the refining process of crude zinc, zinc-cadmium alloy, zinc-containing slag from waste incineration, etc. hard zinc can be used to recover zinc as well as other

Nickel Copper And Cobalt Coalescence In Copper Cliff :

process. this addition of sulphur will favor the transformation of nickel, copper and cobalt oxides into sulphides and at the same time will lower the melting temperature of the matte to less than 1300 from the 1400 of the nickel iron alloys experimental converter slag articleost, title recovery of nickel-cobalt alloy from superalloy scrap, author holman, and molloy, and neumeier, abstractnote this paper describes bureau of mines investigations of recovery of ni, co, cr, and other metals from mixed contaminated superalloy scrap. the scrap is melt-refined and cast into anodes for electrodeposition of recyclable ni-co alloy.slag properties can significantly affect the nickel and iron recovery ratio energy consumption, sulfur and phosphorus distribution ratio between slag and metal etc 11, 12. therefore, it is necessary to investigate the properties of the slag to optimize the production process. the physic-chemical properties

Extraction And Refining Of The Platinum Metals Johnson :

the dissolving of the nickel anodes follows the same general pattern, the products being pure nickel cathodes and an anode slime containing the bulk of the platinum group metals. In this case the electrolyte is a neutral solution of nickel sulphate containing boric acid as a buffer and has to be continually purified to produce a pure cathode.apr 01, 2008 high temperature pressure oxidative acid leaching of nickel smelter slags was investigated as a process to facilitate slag cleaning and selective dissolution of base metals for economic recovery. five key parameters, namely temperature, acid addition, oxygen overpressure, solids loading and particle size, were examined on the process performance.nov 01, 2013 this study involves the selective recovery of non-ferrous metals versus iron, from nickel slag by selective reduction magnetic separation process, with an aim to make high-grade nickel and copper concentrate for producing special steel, i.e. stainless steel or weathering steel 14,15. experimental 2.1 raw materials the

Enhanced Methods For Nickel Recovery From Low Grade Ores :

Id like to dig a little deeper into the recovery of nickel, specifically from low-grade ores in the earth, and from bleed solutions from the electrorefining of other metals. the importance of nickel recovery. nickel is the fifth most abundant element on earth, at an average bulk of 2.7%.furnaces was used as an indicator of the effectiveness of the nickel recovery process. copper and cobalt forms an integral part of the process. losses of nickel in the slag can amount to about charged continuously. It is estimated that 616 tons of nickel slag in flash smelting process are generated per ton of nickel produced.3,4) taking jinchuan group co. ltd as an example, 160 tons of granulated nickel slag are output annually and more than million tons of the nickel slag have been accumulated to date.

The Method Of Removal Of Chromium And Or Nickel From A :

the method includes the supply of liquid slag containing chromium andor nickel, in a liquid metal bath and the slag recovery in two stages. In the first stage of recovery is carried out by introducing carbon in the metal bath to reduce the content of oxides of chromium andor nickel in the slag ammann, kim, and crimes, the kennecott process for molybdenum production as a by-product of copper operations, presented at the annual conference of metallurgists, august 1977, vancouver, b.c. google scholarmeanwhile, an economically viable extraction process was proposed to preliminarily utilize the nickel slag based on textural and mineralogical characteristics of the slag, and the magnetic concentrate, assaying about 62% iron grade at over 75% recovery rate, was obtained through the

Outotec Flash Smelting Technology:

outotec slag cleaning slag cleaning at copper and nickel smelters is typically done using an electric furnace process. the design of outotec slag cleaning furnaces is based on our extensive experience with different slag compositions and under-standing of how to optimize the process for maximum recovery.nickel processing, preparation of the metal for use in various products. although it is best known for its use in coinage, nickel has become much more important for its many industrial applications, which owe their importance to a unique combination of properties. nickel has a relatively highIn nickel matte smelting process, the main slag composition can be described with the fe-o-mgo-sio system. the recovery of nickel in the matte was above 95%, that of cobalt about 85% and copper about 80% after min reduction with scrap. when the battery scrap was added in the slag, the reductant amount

Outotec Smelting Solutions For The Pgm :

As in any extraction process, recovery of the metals is crucial. fortunately there is little tendency for the figure 3-outotec ausmelt process for nickelpgm smelting during smelting, nickel sulphide concentrates are fed into the ausmelt smelting furnace along with figure 4-nickel smelting slag tin in the slag as oxide was recovered by reduction using carbon or hydrogen gas at degrees different valuable chloride salts were also obtained in good quality. further research is recommended on the thermodynamics of nickel-copper recovery, yttrium and europium recovery, and process process for recovering nickel and nickel-copper from molten smelter-type slags or other highly oxidized sources of nickel and nickel-copper containing to percent by weight of magnetite the magnetite in the slag is reduced with carbonaceous materials or other solid reductants such as sulfides, metals or carbides. while the slag is mixed with a fluid cooled, metal-bladed

Slag Dross Recovery Metalcess:

the commonly-seen slagdrossresidue includes copper dross, lead dross, tin slag, zinc leaching residue, antimonyarsenic dross, cadmium residuecake, sulfur residuecake, vanadium slag, nickel slag, iron tailing and iron bearing red-mud waste.metalcess is a professional company offering metal extracting recovery recycling solutions. We have rich experience in slag treatment.indonesia has rich deposit of nickel ore and nickel slag is one of the hazardous waste from nickel smelting industries. the nickel slag has valuable elements in it, therefore further utilization is needed.contamination of heavy metals from mill tailings is a global problem. chinas jinchuan group limited has stored approximately one billion tons of mill tailings which contain toxic levels of copper, nickel, and other metal compounds. To solve the problem, this work extended the principle of hydrometallurgical extraction to the recovery of coppernickel from jinchuan tailings and designed an

Recovery Of Cobalt From Slag In A Dc Arc Furnace At :

the process involves the selective carbothermic reduction of the oxides of cobalt, nickel, and copper, while retaining the maximum possible quantity of iron as oxide in the slag. early pilot-plant testwork at mintek demonstrated recoveries of 98% for nickel and over 80% for abstract. aiming at the recovery of copper from smelting slag, a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in which bornite was the main copper-bearing mineral after a detailed mineralogy analysis via when coupled with our slag cleaning process, nickel smelting is straightforward, cost effective, and does not require ladles or complex plant layouts. offers raw material flexibility enables high recovery for pgms and other valuables allows high sulfur recovery with only one continuous high-strength SO stream to the acid plant

Factors Affecting Nickel Recovery From Slags Produced :

milled slag as flotation feed showed recovery-limiting features such as free matte with oxidized surfaces and unliberated matte inclusions in the slag. the biggest nickel losses, assuming no tapping problems, are in the glass phase solid solution. only around 40% of nickel would be recovered from the slag, even under ideal conditions. spoon and pot slag samples were also 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 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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