(PDF) New residue-free processing of copper slag from …

Copper slag has been suggested to be potentially useful as catalysts for mercury oxidation in coal combustion flue gas, oxygen carrying agent (Deng et al., 2019), abrasive agent for metal surface ...

PROPERTIES OF CONCRETE CONTAINING WASTE …

2016-6-21 · mixes with copper slag gave concrete with adequate properties, with the optimal sand replacements by water-cooled copper slag overall being in the region of 30-60%. Based on the results water-cooled copper slag can be considered to be a suitable candidate for the partial replacement of fine aggregate in concrete.

Grinding Properties Of Copper Slag

Utilization of copper slag in cement and concrete The common management options for copper slag are 1500 C and the grinding of cement electrical steel slag and copper concerning mechanical properties.

Comprehensive review on metallurgical recycling and ...

2021-5-1 · Physical properties. The typical copper slag is generally black or dark brown in colour and its density is in the range of 3.2 – 4.5 g/cm 3, mainly depending on the content of Fe (Sarfo et al., 2017b). The average true density of copper slag is approximately 3.8 g/cm 3, which is denser than the ordinary natural aggregates (Shi et al., 2008 ...

Copper Slag

The granulated copper slag is made up of regularly shaped, angular particles, mostly between 4.75 and 0.075 mm (No. 200 sieve) in size. The air-cooled and granulated copper slag has a number of favorable mechanical properties for aggregate use, including excellent soundness characteristics, good abrasion resistance, and good stability.

Effect of the fineness of copper slag on the early ...

2019-4-25 · The early hydration heat and hydration process, hydration products and strength of binders containing 20% copper slag with different fineness has been studied. The ordinary Portland cement is taken as the comparison sample. Results show that the replacement of cement in the same proportion copper slag can prolong its induction period, reduce its early hydration heat and prolong the hydration ...

Recovery of iron from copper slag via modified roasting in ...

2020-6-4 · Copper slag was used as a raw material for building materials such as cement, concrete, glass and ceramic tiles, as well as for grinding and paving materials due to its excellent physical and mechanical properties . Copper slag produced in the smelting process contains a large number of valuable metals such as copper, zinc, cobalt, nickel and ...

Effect of different grinding aids on property of ...

2014-10-14 · The objective of this study was to assess the feasibility of utilization of grinding aids (GA) in the granulated blast furnace slag (GBFS) powder production. The GBFS powders were prepared with different GA, and their grindabilities, fluidities, reactivities and hydration characteristics were investigated. The experimental results indicate that although the improvement scales are various, all ...

Use of waste copper slag, a sustainable material ...

2014-5-3 · Physical properties. Copper slag grains have a color of black glassy type and a fineness modulus of 3.5. The hardness is about 7 Moh''s scale. Other typical physical properties are given in Table 2 order to use copper slag as a mineral admixture, it was necessary to carry out an experimental study associating grinding time, average diameter, and pozzolanic activity assessed in mortars [].

Reuse of copper slag in high-strength building ceramics ...

2020-8-15 · The as-received copper slag, with an average median particle diameter (d 50) of 15 µm was used without further grinding meanwhile the as received QFS of d 50 171 µm was ground in a tumbling ball mill (Germatec, Germany) to achieve a d 50 of 9 µm. It is important to note that the powder state of copper slag was advantageous in terms of saving ...

Influence of copper slag and GGBS on mechanical …

Influence of copper slag and GGBS on mechanical properties of concrete. ... By drying and grinding this to a fine powder, ... Copper slag is a by-product obtained during smelting and refining of ...

Copper Slag

2019-8-3 · Copper slag is a by-product of copper production from copper ore. For every ton of copper produced about 2.2 ton of slag is generated. At present, across the world around 33 tonnes of slag is generated while in India three copper producers Sterlite, Birla Copper and Hindustan Copper produce around 6-6.5 tonnes of slag at different sites.

Management of copper pyrometallurgical slags: giving ...

2004-1-18 · Characterization of slag: the chilean case Some properties of a typical copper slag are shown in Table I, and it can be observed that air-cooled copper slag has a black colour and glassy appearance. The specific gravity varies with iron content, from 2.8 to 3.8. The unit weight of copper slag is somewhat higher than that of conventional aggregate.

Proceedings of the 5th Slag Valorisation Symposium

2017-6-9 · 206 5th International Slag Valorisation Symposium | Leuven | 03-05/04/2017 where a more homogeneous metal distribution occurs8-10, encapsulating the valuable particles in a glassy phase making difficult their subsequent recovery10 this case, the copper content in the slag is higher, but energy consumption during grinding will

Crafting Comes Easy with Powerful copper slag grinding

Copper Slag - an overview | ScienceDirect Topics

Characteristics and utilisation of copper slag—a review ...

2003-11-1 · To improve the properties of grinding and cutting wheels, copper slag filler (0.043 kg of particle size<150 μm) was added to a mixture of an abrasive powder (0.868 kg), powder novolak resin (0.147 kg), a liquid phenol formaldehyde resin (0.037 kg) and iron red pigment (0.013 kg) and this was compacted and hardened for 16 h at <180 °C. The ...

Copper Slag: 7 Mohs Hardness

Copper Slag. No. 1 Blasting Material in Europe, made in EU, multifaceted particles, vitreous amorphous slag, 7.5 Mohs Hardness. Increased efficiency, up to 30% higher than any other similar agent for outdoor blasting, on almost any type of surface, indoor and outdoor. Toxicological Certificate, < 0,1% Free Silica.

DETERMINATION OF THE BEHAVIOUR OF VALUABLE …

2017-6-9 · an amorphous slag where a more homogeneous copper metal distribution occurs into the slag, in this case, energy consumption during grinding will increase due to ductility of copper. The objective of this research was to determine the behaviour of molybdenum and silver contained into copper smelting slag during

Improving Beneficiation of Copper and Iron from Copper ...

2018-12-10 · Approximately 2.0–3.0 tons of copper slag are generated per ton of copper production, depending on the properties of copper concentrates and operating conditions in the pyrometallurgical process [2–5]. It has been roughly estimated that approximately 12 million tons of copper slag is produced every year, and the amount of accumulated

Extractive Metallurgy of Copper

2021-2-27 · 10.9. Cu-in-Slag Limitation of Direct-to-Copper Smelting 187 10.10. Direct-to-Copper Impurities 187 10.11. Summary 188 References 189 Suggested Reading 189 11. Copper Loss in Slag 191 11.1. Copper in Slags 191 11.2. Decreasing Copper in Slag I: Minimizing Slag Generation 193 11.3. Decreasing Copper in Slag II: Minimizing Copper Concentration in ...

PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE

2016-4-11 · Properties And Effects Of Copper Slag In Concrete 49 Graph 3.2 Compressive Strength Table 3.3 Strength Gained density of hardened concrete increased with the It is possible that the reduction in strength resulting from increasing copper slag is due to increased voids due to the fact that copper slag which was 3.30 compared to 2.62 of the ...

Effect of Non-Ground Copper Slag on Properties of …

2020-5-7 · Granulated copper slag is more porous and therefore has lower specific gravity and higher absorption than air-cooled copper slag. The granulated copper slag is made up of regularly shaped, angular particles, mostly between 4.75 mm (3/4 in) and 0.075 mm (No. 200 sieve) in size. Table 2.1: Material composition of copper slag and cement

RECOVERY OF COPPER FROM SMELTING SLAG BY …

2015-11-11 · conventional crushing and grinding (Shen and Forssberg, 2003; Schlesinger at al., 2011). The reverberatory furnace slag that has been discarded in the vicinity of the Bor Copper Smelter, Serbia, is currently processed by flotation at the nearby Bor Copper Concentrator. The copper recovery was rather low (about 40%) mainly due to the

The composition and environmental hazard of copper …

The role of copper slag is as follows: (1) the alkaline substances in copper slag can absorb SO2 and NO2 by KMnO4 oxidation. (2) copper slag may function as a catalyst to accelerate SO2 conversion ...

Experimental Investigation on the Mechanical Properties …

2016-5-24 · 40–50% copper slag as a sand replacement yielded comparable strength to that of the control mixture. M.V.Patil studied the properties and effects of copper slag in concrete, ( M.V.Patil 2015) M30 grade concrete was used and the tests were conducted for various proportions of copper slag replacement with sand of

COPPER SLAG – Blastline Group

OMGRIT Copper Slag is produced from metallurgical slags and provides fast blast-cleaning rates. The hardness and high density of copper slag gives it a high resistance to fracture with very low dust formation during blasting, as well as faster blast cleaning speed when compared to other slag abrasives.

Deep reduction recovery of iron from copper slag | IIETA

2018-12-31 · Abstract: This paper explores the effects of reductant, flux, reduction temperature and reduction time on the iron content and iron recovery rate of the deep reduction product from copper slag containing 41.47% of iron. Through a series of tests, it is concluded that reduction temperature and reduction time are leading influencing factors on ...

2020-7-17 · Fig.6 Effect of grinding time on strength and specific surface area of copper slag [45] 3.2 (、、、、)(、)。

Recover Copper from Reverberatory Furnace Slag

2019-7-22 · Recover Copper from Reverberatory Furnace Slag. Laboratory and pilot plant investigations have indicated that copper recoveries of 50% can be achieved with fine grinding and flotation of a copper reverberatory furnace slag. Microscopic and …

Geotechnical Properties of a Copper Slag

Transportation Research Record 941 Geotechnical Properties of a Copper Slag BRAJA M. DAS, ANTHONY J. TAROUIN, AND ANDREW D. JONES* The çotechnical properties of a copper slag are presented.The slag, produced at the Amer¡can Smelt¡ng and Refining Company (ASAROOI plant in El Paso, Texas, is a by-product of refining copper ore in oil-fi¡ed reverberatory fur.

What Properties of Abrasive Media Influence Grinding Effect?

2015-5-16 · What Properties of Abrasive Media Influence Grinding Effect? ... The media types for grinding media include ceramic media, plastic media, metal media, glass, and other. ... Additional synthetic abrasives include process byproducts (e.g., copper slag, nickel slag, and coal slag), engineered abrasives (e.g., aluminum oxide, silicon carbide, glass ...

Durability properties of copper slag and fly ash based ...

2021-1-1 · Copper slag recommended less than 40% gives high mechanical properties. Beyond which more voids and capillary channels appear in the microstructure of the concrete, . The optimum proportion of copper slag is found up to CS for all the strength and durability parameters in HSC.

A Study on the Strength and Grindability of Granulated ...

Fig. 8 Variation of reduction ratio with the grinding time for copper smelting slags and quartz. Fig. 9 Cumulative fraction retained on the stated screen size as a function of the grinding time for three sizes of slag samples. Fig. 8 indicates the reduction ratio, r, defined by (do/d50) 107