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Direct smelting process for stainless steel crude alloy

May 26, 2021May 26, 2021Stainless steel crude alloy recovery from direct smelting of low-grade chromite, nickel laterite and manganese ores was investigated. The mixed low-grade ores were directly smelted in an elevator furnace at smelting temperatures ranging from 1550 to 1600 C. Smelting experiments were conducted in a laboratory elevator furnace equipped with 8 U-shaped high-quality

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Process for production of nickel and cobalt using metal

Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonateor other suitable smelting vessel, to produce, e.g., nickel metal for the production of stainless steels. This pyrometallurgical approach to treat metal salt is potentially more cost effective and considerably simpler than traditional

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US8557019B2

US8557019B2 US12/424,250 US42425009A US8557019B2 US 8557019 B2 US8557019 B2 US 8557019B2 US 42425009 A US42425009 A US 42425009A US 8557019 B2 US8557019 B2 US 8557019B2 Authority US United States Prior art keywords cobalt nickel agglomerates making metallic metallic nickel Prior art date 2021-02-08 Legal status (The legal status is an assumption and is not a

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How to reduce nickel oxide to metallic nickel

Jun 22, 2021Jun 22, 2021The calcine is mixed with volatile coal with particle size of 10 ~ 30mm in an electric furnace for reduction smelting to produce crude nickel-iron alloy. Almost all nickel and cobalt oxides are reduced to metals in the process of reduction smelting in electric furnace, but not all iron.

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NICKEL

Using a pyro-metallurgical process at its nickel smelting facility in Sudbury, Ontario, Canada, Glencore recovers nickel, cobalt and copper metals from NiMH and Li-ion batteries. Through continuous efforts to improve its electric furnace and its converter technology,

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(PDF) Nickel Laterite Smelting Processes and Some Examples

Nickel Laterite Smelting Processes and Some Examples of Recent Possible Modifications to the Conventional Route. Metals. Ender Keskinkilic. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.

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Nickel

Domestic production of stainless steel and related nickel consumption decreased substantially in the first half of 2021, but most of the leading domestic stainless-steel producers reported relatively robust recovery in the third quarter. Total domestic production of stainless steel in 2021 was estimated to have decreased by approximately 10%.

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Nickel: smelting, producing

Nickel: smelting; Extraction and purification; Nickel is recovered through extractive metallurgy: it is extracted from its ores by conventional roasting and reduction processes that yield a metal of greater than 75% purity. In many stainless steel applications, 75% pure nickel can be used without further purification, depending on the composition of the impurities.

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nickel and cobalt smelting process and stainless steel

Direct smelting process for stainless steel crude alloyMay 26, 2021 Stainless steel crude alloy recovery from direct smelting of low-grade chromite, nickel laterite and manganese ores was investigated. The mixed low-grade ores were directly smelted in an elevator furnace at smelting temperatures ranging from 1550 to 1600 C.

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Commodity Nickel

The making of nickel is a process which involves a number of steps: 1. MiningThis smelting process will cause the iron and sulfide to oxidize resulting in 45% nickel. During the final step oxygen is injected in the molten bath, which will eliminate any of the remaining traces of iron and sulfide.Stainless steel is a widely used

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Nickel and Cobalt Production

Jan 01, 2021Jan 01, 2021The first principle of ferronickel smelting is that Ni and Fe oxides are easily reduced to metallic nickel and iron by Reactions and : (2.2.1) C in calcined concentrate + NiO → 800C CO + Nimetal (2.2.2) C in calcined concentrate + FeO → 800C CO + Femetal while other oxides, e.g., Al 2 O 3, MgO, are not reduced.This situation arises because oxygen bonds with Al and

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Nickel Laterite's Integral Role in the Coming Nickel Boom

Oct 02, 2021The smelting of nickel laterite ore is no different, as the smelting process is the dominant technique and is typically used to make nickel pig iron (NPI) for the Chinese stainless steel market. NPI is created by mixing, saprolite ores with coking coal and a mixture of fluxes.

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WO2021090769A1

A stainless-steel and smelting process thereof, the process being a novel process directly employing nickel ore concentrate and continuously smelting the stainless-steel via calcining, an RKEF system, an AOD furnace, and an LE furnace; slabs are made via a continuous casting system, and Fe of the nickel ore concentrate after being calcined is used for preparation of crude nickel alloy in an

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Nickel

The nickel is recovered from stainless steel materials and other alloys and is reintroduced into the smelting process. Won't rust. Nickel greatly improves the corrosion resistance of steel. Prolonging the life of manufactured items makes an important environmental contribution by reducing the rate of dispersion into the environment and saving

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