قائمة الطعام
A method is proposed for processing nickel sulfide concentrates based on low-temperature roasting with sodium chloride. In the course of research, the dependence of valuable component extraction on excess sodium chloride and roasting temperature and duration is determined, and also cinder water and sulphuric acid …
In this study, a low-temperature chlorination roasting and water leaching process was used to co-extract Ni, Cu and Co from low-grade nickel sulfide concentrate. When the concentrate particle size is 75–88 μm, roasting temperature is 225 °C, roasting time is 2.5 h and chlorination agent dosage is 180 %, 93.5 % Ni, 90.7 % Cu and 88.7 % …
The low-temperature calcination of nickel sulphide concentrates with sodium chloride and subsequent hydrometallurgical processing is a promising alternative methods. This study aims to identify the interaction products of sulphide nickel concentrate components with sodium chloride at temperatures of 400-450 °C. Thermodynamic studies have …
Recovery of Nickel and Processing of Magmatic Sulfide Ores. ... The second stage of froth flotation produces a nickel concentrate of 10-20% Ni, along with other by-products and gangue. Smelting is the …
Published: 18 June 2020. Efficient Synchronous Extraction of Nickel, Copper, and Cobalt from Low–Nickel Matte by Sulfation Roasting‒Water Leaching Process. Qiangchao Sun, Hongwei Cheng,...
Nickel is widely used in industrial processes and plays a crucial role in many applications. However, most of the nickel resource mainly exists as nickel oxide in laterite nickel ore with complex composition, resulting in difficulty in upgrading the nickel content using physical separation methods. In this study, high-grade ferronickel concentrates …
The conventional smelting and refining of Ni sulfide concentrates is an effective strategy for extracting Ni from sulfide ores. However, during the smelting …
The purpose of MHP agglomeration is the hydro-pyro integration, by which the nickel concentrate (MHP) can be used in ferronickel smelters through pellets with acceptable granulometry to be processed in furnaces. Complete processing route, from lateritic ore to nickel alloy, has advantages obtaining MHP as a nickel intermediate …
The Long Harbour Nickel Processing Plant was built on a partially brownfield site near the port of Long Harbour. The facility consists of a wharf for offloading nickel ore concentrate from bulk carriers, crushing and grinding facilities, a main processing plant approximately 2 km (1.2 mi) south of the port, a pipeline to supply process water ...
BEULAH, N.D. (KFYR) - The Department of Energy has allocated nearly $115 million to fund a nickel processing plant near Beulah. ... Talon has a deal to supply Tesla with the nickel concentrate.
The direct hydrometallurgical processing of nickel sulfide concentrates and whole ores may be a remedy to these issues and hydrometallurgy offers several …
The co-processing of these materials at 250 °C, with oxygen overpressure, using total pulp densities of 30% or 40% w/w, and a range of nickel concentrate to nickel laterite mass ratios between …
Aiming at the problems of high energy consumption and low metal recovery in traditional smelting of nickel concentrate, a novel process, namely NH 4 HSO 4 roasting followed by water leaching to simultaneously extract metals and then separate them step by step, was proposed. The effect of some key factors on the extraction of …
summarized. Nickel extraction from primary resources such as ores/minerals (sulfides, arsenides, silicates, and oxides) including the unconventional one viz., the polymetallic sea nodules, and ...
Paul-Alain Hunt. March 17, 2024 · 2 min read. (Bloomberg) -- Diversified miner Mineral Resources Ltd. has acquired a nickel concentrator plant in Western Australia from Poseidon Nickel Ltd. to ...
Section snippets Thermodynamic analysis. To identify the interaction products of the concentrate and sodium chloride in the presence of oxygen, thermodynamic analysis of the theoretical reactions in the NiS–O 2 and NiS–NaCl–O 2 systems were performed using FactSage software. Initially, calcination of 1 g of nickel sulphide was simulated …
Nickel concentrate and bulk concentrate are usually smelted by pyrometallurgy to produce intermediate product high-grade nickel matte to enrich copper …
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 … See more
The traditional high-temperature smelting process of nickel sulfide concentrate has highlighted some problems, such as large loss of valuable metals, reduced economic benefits, and unclean production.
CESL has developed a novel hydrometallurgical process for treating Cu and Ni sulphide concentrates, including bulk concentrates. Both Cu and Ni are leached efficiently into solution, using a proprietary pressure oxidation process, along with other base metals, notably Co. A previous publication has described the Cu recovery from a low grade bulk …
During the smelting process, sulphur and other impurities are removed from the nickel concentrate. Sari Muinonen, Process Technology and Custom Feed Manager, has worked at the Sudbury smelter since 2010. We have a furnace that operates at about 1,380 degrees Celsius. The material gets dropped into the top, falls through and hits the …
It is one of the most widely used processes for extracting minerals like nickel from their ore – the natural rock or sediment that contains them. At the end of the flotation process, the nickel sulphides …
• The IGO Process is a valueenhancement refining process designed to treat high- grade nickel sulphide - concentrate (18%-20% nickel) as opposed to a low-grade "whole of ore" laterite feed. • The significantly lower temperatures and pressures used in the IGO Process autoclave have lower risk
Cu, Ni and Co leach extraction from the concentrate was 95%, 95%, and 97%, respectfully. Based on pilot plant metallurgical results, overall metal recoveries are presented in Table 15. Metal recovery from the leach liquor was excellent due to low Ni/Co losses in residue and byproducts, and complete recycle of all solutions.
The process yields high extraction and recovery of nickel, cobalt, and copper from the nickel concentrate, forms a stable environmental residue, and avoids the production of gases and dusts. The production of the mixed hydroxide of high quality is an alternative to smelting, converting, and refining.
The low-temperature roasting of nickel-copper sulfide concentrates with sodium chloride (at 400–450 °С) and subsequent hydrometallurgical processing is a promising alternative method. An ...
The low-temperature calcination of nickel sulphide concentrates with NaCl (at 400–450 °C) and subsequent hydrometallurgical processing provide a promising alternative to existing nickel sulphide concentrate processing technologies.
After producing the nickel matte, further processing is done via the Sherritt-Gordon process. First, copper is removed by adding hydrogen sulfide, leaving a concentrate of only cobalt and nickel. Then, solvent extraction is used to separate the cobalt and nickel, with the final nickel concentration greater than 99%.
Abstract. This chapter explains the process of nickel concentration from ground sulfide ore, the starting material. This is necessary because mined nickel sulfide ores contain between 1% and 3% Ni ...
Frothers are also added to create a stable froth that can be skimmed off to separate the nickel concentrate. By preparing the nickel ore through crushing, grinding, and classification, the ore is effectively processed to a suitable size and condition for subsequent extraction processes. ... Nickel processing is a complex and multi-stage ...
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