nickel recovery process

nickel recovery process

Nickel-recovery process Stainless Steel World.net

2009-4-22  The Cleansing Service Group (CSG) has developed a process to recover nickel of 99.9% purity from the complex waste generated mainly by the metal-plating industry.

NICKEL RECOVERY PROCESS SUMITOMO METAL

A nickel recovery process for recovering nickel from a byproduct of an electrolytic nickel manufacturing process by chlorine-leaching, comprising: a chlorine-leaching step for obtaining a chlorine leachate and a chlorine-leached residue by oxidizing and leaching nickel sulfide; a cementation step for fixing and removing copper in the chlorine leachate; a sulfur recovery step for obtaining a sulfur-containing solution and a residue by solid-liquid separation after slurrying the chlorine

Nickel recovery/removal from industrial wastes: A

2013-4-1  Nickel recovery from various wastes. Apart from solid wastes like spent batteries and catalysts, alloy scrap, some technological processes generate aqueous solutions with high amounts of Ni. When Ni is present in solution, depending on its concentration, the previously described physico-chemical techniques can be applied successfully.

A green process for recovering nickel from nickeliferous

2010-7-6  A green process for recovering nickel from nickeliferous laterite ores ZHAI Yu-chun(翟玉春)1, MU Wen-ning (牟文宁)2, LIU Yan (刘 岩)1, XU Qian(许 茜)1 1. Department of Metallurgical Physical Chemistry, Northeastern University, Shenyang 110004

Factors affecting nickel recovery from slags produced

2009-8-26  Nickel is recovered as a by-product of the platinum-producing process operated by Anglo Platinum. The metal is mined mainly as sulphide minerals contained in platinum ores. These pass through the concentrating, smelting and converting process route and nickel is

Nickel Solvent Extraction Technology

2018-11-15  recovery process based on a modified Caron process. While operating, Cawse Nickel Operations used a flowsheet originally conceived by BASF and further developed by Cawse, for the recovery of nickel from laterite ores using High Pressure Acid Leaching (HPAL). The basic elements of the front half of the process used at Cawse are High Pressure Acid Leaching (HPAL) of the laterite,

(PDF) Advanced Review on Extraction of Nickel from

process for recovery of nickel from the clay-based laterites. Authors reviewed the chemistry and precipitation of iron, aluminum, magnesium and silica to understand how the

How Sherritt Refines Nickel

2010-10-1  proceeds to nickel recovery. The solids in the thickener underflow are filtered, washed and sold as feed to a copper smelter. How Sherritt Refines Nickel . Nickel Recovery. Before nickel can be recovered, unsaturated sulphur compounds and sulphamate must be eliminated from the solution. This is achieved at high temperature in the oxydrolysis tower.

Direct Nickel Process Breakthrough Technology

• High Recovery of Nickel to MHP • Recovery of Nitric Acid 95%+ • MHP Grade Achieved 30-40%Ni • Fe Grade Produced 59wt% Fe • MgO Quality 95%+ MgO, 50 seconds Citric Acid Reactivity • Plant maintenance simple, only 2 areas of corrosion where 304L may not be the correct selection • Process showed flexibility with variable feed sources 21

Nickel processing Extraction and refining Britannica

2 天前  One process is the ammonia pressure leach, in which nickel is recovered from solution using hydrogen reduction, and the sulfur is recovered as ammonium sulfate for use as fertilizer. In another, the matte may be roasted to produce high-grade nickel

A green process for recovering nickel from nickeliferous

2010-7-6  A green process for recovering nickel from nickeliferous laterite ores ZHAI Yu-chun(翟玉春)1, MU Wen-ning (牟文宁)2, LIU Yan (刘 岩)1, XU Qian(许 茜)1 1. Department of Metallurgical Physical Chemistry, Northeastern University, Shenyang 110004

Enhanced methods for nickel recovery from low

2021-6-11  Classical methods for nickel recovery are precipitation, oxidation, and crystallization. Nickel and sulfate tend to build up in the copper refinery electrolyte and can be removed by crystallization as NiSO 4 ·6H 2 O crystals from the bleed stream.

Factors affecting nickel recovery from slags produced

2009-8-26  Nickel is recovered as a by-product of the platinum-producing process operated by Anglo Platinum. The metal is mined mainly as sulphide minerals contained in platinum ores. These pass through the concentrating, smelting and converting process route and nickel is

Nickel Mines, Nickel Extraction Process, Nickel

Copper- Nickel Ore Flotation Process When process copper-sulfide nickel ore, collector and frother will be used in order to better results. A basic principle of copper-sulfide nickel ore process is that it is better to let copper assimilate into nickel ore rather than the opposite. For it is easier to recovery cooper from nickel concentrate.

Cobalt and Nickel Recovery From Missouri Lead Belt

2016-6-7  At the present time, no effort is being made to recover any of the cobalt, and only a small portion of the nickel is being recovered during copper elec­ trorefining. Because the Nation is almost totally dependent on foreign sources of cobalt, new domestic sources constitute an imperative need.

Nickel Solvent Extraction Technology

2018-11-15  recovery process based on a modified Caron process. While operating, Cawse Nickel Operations used a flowsheet originally conceived by BASF and further developed by Cawse, for the recovery of nickel from laterite ores using High Pressure Acid Leaching (HPAL). The basic elements of the front half of the process used at Cawse are High Pressure Acid Leaching (HPAL) of the laterite,

Direct Nickel Process Breakthrough Technology

• High Recovery of Nickel to MHP • Recovery of Nitric Acid 95%+ • MHP Grade Achieved 30-40%Ni • Fe Grade Produced 59wt% Fe • MgO Quality 95%+ MgO, 50 seconds Citric Acid Reactivity • Plant maintenance simple, only 2 areas of corrosion where 304L may not be the correct selection • Process showed flexibility with variable feed sources 21

A novel application of membrane distillation to

of MD to pre-concentrate nickel in the wastewater (i.e. hence pave the way for subsequent nickel recovery via chemical precipitation or elect rodeposition) and ext ract fresh water. At a low...

Nickel processing Britannica

2020-8-17  Nickel processing, preparation of the metal for use in various products. Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a unique combination of properties. Nickel

(PDF) Nickel Laterite Smelting Processes and Some

2019-9-3  Industrially, the pyrometallurgical treatment of laterites is mostly accomplished with a well-established method, namely, the rotary kiln–electric arc furnace (RKEF) process, which includes three...

Nickel recovery from spent nickel catalyst

A process for nickel recovery from a spent catalyst of definite composition has been developed using the hydro-metallurgical route. The processing steps includes direct sulphuric acid leaching followed by separation of iron as well as silica and other impurities. For a 152 microm particle size catal

A green process for recovering nickel from nickeliferous

2010-7-6  A green process for recovering nickel from nickeliferous laterite ores ZHAI Yu-chun(翟玉春)1, MU Wen-ning (牟文宁)2, LIU Yan (刘 岩)1, XU Qian(许 茜)1 1. Department of Metallurgical Physical Chemistry, Northeastern University, Shenyang 110004

Nickel Mines, Nickel Extraction Process, Nickel

When process copper-sulfide nickel ore, collector and frother will be used in order to better results. A basic principle of copper-sulfide nickel ore process is that it is better to let copper assimilate into nickel ore rather than the opposite. For it is easier to recovery cooper from nickel

(PDF) Advanced Review on Extraction of Nickel from

process for recovery of nickel from the clay-based laterites. Authors reviewed the chemistry and precipitation of iron, aluminum, magnesium and silica to understand how the.

Mathematical Simulation of the Process of Nickel

2018-11-15  Solid-phase reduction of nickel oxide is an important process stage in nickel production. The mathematical model of the steady-state operation of the apparatus is an important component, which allows determining the optimal operating mode of the rotary tube furnace (TRK). The automated software application ReactOp is capable of generating a mathematical model of the reactor on the basis of

How Sherritt Refines Nickel

2010-10-1  proceeds to nickel recovery. The solids in the thickener underflow are filtered, washed and sold as feed to a copper smelter. How Sherritt Refines Nickel . Nickel Recovery. Before nickel can be recovered, unsaturated sulphur compounds and sulphamate must be eliminated from the solution. This is achieved at high temperature in the oxydrolysis tower.

(PDF) Nickel Laterite Smelting Processes and Some

2019-9-3  conditions, nickel recovery was 82.8%. The recovery of the ESS process was noted as 91.2% [23]. The corresponding energy consumption was reported as ~189 kWh / t

Atmospheric pressure leaching of nickel from a low-grade

2018-6-27  Keywords: nickel recovery, laterite ore, leaching, calcination, kinetics 1. Introduction Nickel is an important metal used for a wide variety of applications. The world’s various deposits of nickel are in the forms of sulfide and oxide (laterites) ores. Currently, the majority of nickel is obtained

Flotation of Nickel-Copper Sulphide Ore: Optimisation of

2020-1-8  the flotation recovery of Ni, Cu and Co from a nickel-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process

COBALT PROCESSING DEVELOPMENTS K G Fisher

2011-7-5  Nickel oxides (laterites) were first processed by hydrometallurgy in 1944 at Nicaro in Cuba (by the Caron Process) and in 1959 the first sulphuric acid pressure leach plant came on line at Moa Bay, Cuba; thereby adding nickel laterites as a significant source of by-product cobalt a source that would grow in importance subsequently.