آخرین محصولات

Why process metal slag at all?

Slag and spent refractories from copper and high grade steel smelters. ... Recycling metal slag is also good for the environment. Processing this material creates both environmental and economic advantages as it prevents the rare and valuable alloying elements from being wasted. Leading high grade steel producers across Europe now use LEGRAN ...

Resource Utilization of Copper Slag with a Focus on

Iron melt from the reduction of copper slag contains copper, making it unsuitable for direct application in the steelmaking process. (3) There is the matter of secondary slag utilization. Current methods for recycling copper slag generate secondary slag, which is often used in the production of cement or construction materials.

RECYCLING OF SLAG FROM COPPER PRODUCTION

The aim has been achieved developing waste-free method for recycling slag from copper production consists of four basic steps: 1. Oxidation of the fayalite in slag to a mixture of magnetite, hematite and silicon dioxide; 2. Treating the mixture of magnetite, hematite and silicon dioxide with hydroxide or carbonate of alkaline metal in ...

A Study on Reduction of Copper Smelting Slag by …

Some studies have attempted to recover metal values from copper slag. This research was intended to recover ferrous alloy contained Cu, a raw material of zinc, from copper slag, and produce reformed slag such as …

ABRASIVES YOU CAN TRUST.

commitment by recycling copper slag and post-consumer glass into a variety of markets including the surface preparation industry as a blasting abrasive. BLACK BEAUTY® abrasive packaging dates back to the 1940's-1960's.

Efficient Recycling of Valuable Metals from Waste Copper …

In this work, an innovative and carbon-free smelting reduction process is proposed to recycle valuable metals from waste copper slag using secondary aluminum dross as a …

Carbothermal reduction of copper smelter slag for recycling …

Increased demand of copper in the last few decades resulted in the generation of a large amount of smelter slag. About 80% of the world's copper to date was produced from sulfide ores by concentrating followed by the pyrometallurgical operations such as smelting and refining (Heimlich et al., 2010, Fan et al., 2014).While slag from blast furnace in iron making has found …

New residue-free processing of copper slag from smelter

An interesting processing proposal was developed for the recycling of copper slag from the copper production in Lubumbashi (Congo) with a total amount of 14 M t (Banza Numbi, 2000). Through the combination of sulfuric acid digestion of un-milled copper slag (grain size distribution < 10 mm with 1.35% Cu, 0.86% Co, 12.53% Zn, 100 ppm Ge ...

Sustainable and Comprehensive Utilization of Copper Slag: A …

Within this paper, application options, the environmental behavior, and ways to treat copper slag in order to remove hazardous and recover valuable metals are critically …

Synergistic environmental benefits from copper slag recycling …

DOI: 10.1016/j.jenvman.2024.122907 Corpus ID: 273366482; Synergistic environmental benefits from copper slag recycling in China: Pollutant mitigation and carbon reduction. @article{Zhang2024SynergisticEB, title={Synergistic environmental benefits from copper slag recycling in China: Pollutant mitigation and carbon reduction.}, author={Yi Zhang and Yiting …

Cleaner recycling of iron from waste copper slag by using …

Secondary reduction slag after recycling of iron can be reprocessed as a clean and harmless function material, comparing with the traditional waste copper slag (Heo et al., 2016). There are two main ways for recovering iron from the copper slag: (i) first, Fe 2 SiO 4 is oxidized to Fe 3 O 4, and then the Fe 3 O 4 enriched concentrate can be ...

Method and system for coupling copper slag recycling with …

In the present application, the recycling of copper slag can be coupled with an existing CO2 mineralization process based on industrial solid waste. Organic combination of different production lines is achieved for reformed slag, flue gas, etc., and the method is green and clean; moreover, the selection range and the acquisition manner of a CO2 ...

Comprehensive review on metallurgical recycling and …

The metallurgical recycling of iron and copper from copper slag mainly depends on a transformation from nonmagnetic iron components (fayalite) into magnetite and …

Synergistic Environmental Benefits from Copper Slag Recycling …

Moreover, recycling copper slag for cement production demonstrates the greatest synergistic effects in terms of reducing both air pollution and carbon emissions. These benefits mainly arise from substituting high-pollution materials with recycled copper slag. Drawing on the assessment results, our study offers practical suggestions for ...

Recycling of Stabilized Copper Slag Waste for Sustainable …

Copper slag is a voluminous solid waste byproduct from copper extraction, often underutilized and accumulated in deposits. This paper presents the details of a pilot study conducted to explore the ...

Life Cycle Assessment of Recycling Copper Process from Copper-Slag

The predigestion life cycle assessment (LCA) method has been applied to investigate the environmental impact of recycle copper process from copper-slag. Related environmental load data of each process stage have been obtained. Copper-slag recycle copper process includes crushing, milling, flotation, dehydration. Environmental impact single …

Synergistic environmental benefits from copper slag …

This study applies life cycle assessment (LCA) to evaluate the environmental benefits of three copper slag recycling strategies. Building on the LCA results, we introduced a synergistic …

Assessing the Life Cycle Environmental and Economic …

The functional unit was defined as the recycling of 1 ton of copper slag. The results showed that the process of production of cement after floatation was the optimal scenario for copper slag recycling, and its life cycle impact and life cycle cost were-67.22 Pt and-479.28 yuan, respectively. Specifically, the dominant environmental impact ...

copper slag crusher Wholesale For Metal Recycling

Ecnomica Scrap AC radiator recycling line equipment Aluminum slag recycling line export to USA $8,000.00 - $250,000.00. Min Order: 1 set. CN Supplier . 1 yrs. 5.0 /5 · 2 reviews · ... A copper slag crusher is engineered to handle the abrasive nature of slag, a by-product of copper extraction. These crushers are constructed from robust ...

High-efficiency recycling of copper-cadmium slag by …

Abstract Copper-cadmium slag, a kind of hazardous metallurgical solid waste, has attracted attention in the fields of environmental protection and resource recovery because of its high output and richness of valuable metals.

Characteristics and utilisation of copper slag—a review

Current options of management of this slag are recycling, recovering of metal, production of value added products and disposal in slag dumps or stockpiles. ... Copper slag has been carbothermally smelted in a submerged electric arc furnace, partially reducing FeO to a metallic phase comprising of copper and other metals by Acma et al. (1992 ...

Characterization, Concentration, and Speciation of …

Metal-rich copper slag might serve as a potential source of metals through secondary recovery. In this study, two copper slags (CS1 and CS2) with different metallurgical properties were characterized, focusing on secondary …

The potential for copper slag waste as a resource for a …

To address these challenges, recycling and repurposing of copper slag waste using innovative technologies should be considered, creating a resource for a circular …

SUSTAINABLE CONSTRUCTION

Copper slag recycling and processing plant During blasting, copper slag breaks into smaller particles on impact with metal surfaces. After several rounds of reuse, the copper slag gets contaminated with rusts and paints and becomes a waste material but without any change in its chemical composition. The

Review on Comprehensive Recovery Valuable Metals and …

Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper slag is …

Recycling Technology

2. Precious metal and by-metal production at Aurubis. Copper scrap, electronic scrap and residues are used at Aurubis Hamburg (Germany). The basic material for Hamburg's secondary copper production process consists of a variety of …

Efficient recovery of copper from copper smelting slag by …

Copper smelting slag (CSS) is a typical bulk industrial solid waste generally produced during the matte smelting and blowing smelting process of the copper sulfide concentrate [1], [2], [3].Currently, for every metric ton of metallic copper produced, approximately 2.2 ∼ 3.0 metric tons of CSS are generated.

An efficient approach to utilize copper smelting slag: …

In the smelting and conversion processes of copper manufacturing, copper slag with 2–3 times of crude Cu is produced (Phiri et al., 2022, Zhou et al., 2022).Therefore, annual copper slag emissions have exceeded 50 million tons, even though the annual global Cu output is 23 million tons.

Synergistic environmental benefits from copper slag recycling …

This study applies life cycle assessment (LCA) to evaluate the environmental benefits of three copper slag recycling strategies. Building on the LCA results, we introduced a synergistic reduction ...

THIS IS COPPER

Our primary focus in the following collections is slag, a byproduct of producing copper. Slag is the molten impurities cast aside during the smelting process into large mountainous heaps. Slag is an inevitability of most metal production. The by-product is produced both during extraction directly from ore as well as recycling of scrap metal.