High-valued and deep utilization technology of copper slag
In order to achieve single recovery of Fe, Cu and Si in copper slag and deep removal of impurities in products, the activated reduction combining directional oxidation are adopted to improve the separation limit of target components, which mineral constituent as well as chemical composition at different stages are investigated through XRD and chemical …
Copper Slag as a Source of Iron: An Overview | SpringerLink
— For each ton of copper metal produced worldwide, about 2.2–3.0 tons of slag is produced, estimated to be approximately 40 million tons of slag generation annually (J. P. Wang & Erdenebold, 2020), with the content of iron reaching 45%; the copper slag has potential to produce approximately 26.8 million tons of Fe annually (Heo et al., 2013). A ...
Corrosion of magnesia-chromite refractory by PbO-rich copper …
— The work presents corrosion of direct-bonded MgO-Cr refractory by three types of PbO-rich copper slags. Pellet test, contact corrosion test and hot stage microscopy test enabled to study corrosion ...
A critical review on the use of copper slag (CS) as a …
— Steel slag, copper slag, lead-zinc slag, and electric furnace ferronickel slag are the most common metallurgical slags that could be used as supplementary cementitious materials (SCMs) and aggregates.
Strength assessment of concrete with copper slag as fine …
— As a result, an effort is made to partially replace fine aggregate in the construction industry with copper slag. The current paper examines the laboratory testing of various concrete mixes (Mix 20, Mix 40, and Mix 60) containing copper slag waste as a partial replacement for fine aggregate (0% to ). The fresh properties and …
Slag corrosion of alumina-magnesia-carbon refractory …
— The rotating method is carried out to investigate the effects of La 2 O 3 content (0–4 wt%) on the viscosity of copper smelting slag at high temperatures, the apparent activation energy is evaluated according to the Arrhenius equation and the structural characterization of this quenched slag is characterized by Raman …
Enhancing Concrete Strength and Durability of Normal and …
— This study investigates the interaction effects of silica fume and ground granulated blast furnace slag on the behavior of normal and high-strength concrete …
(PDF) Strength and durability of concrete by partial …
— Download full-text PDF Read full-text. ... optimal process parameters in corrosion. inhibition of austenitic stainless steel (Type ... Fine aggregate were partially replaced with copper slag at ...
Waste to valuable resource: application of copper slag and steel slag
— Waste recycling and reuse is an important component of sustainability. Extensive research is being conducted to address this issue by incorporating industrial by-product such as steel slag, copper slag, fly ash, ferro-chrome slag, and so on into the construction industry. Steel slag, which is mostly calcium carbonate, is created as a by …
Effect of copper slag fine aggregate on corrosion processes …
— A series of tests were performed to assess the influence of copper slag fine aggregates (CUS) on the corrosion behavior of horizontal steel bars in reinforced …
Strength assessment of concrete with copper slag as fine …
— The current paper examines the laboratory testing of various concrete mixes (Mix 20, Mix 40, and Mix 60) containing copper slag waste as a partial replacement for …
Slag Characterization: A Necessary Tool for Modeling and …
— The slag in pyrometallurgical operations plays a major role affecting the life of furnace refractory. As such, comprehensive mineralogical and chemical slag examination, physical property determination including the slag melting point or liquidus, and viscosity are necessary for precise understanding of a slag. At the RHI Technology Center Leoben, …
Influence of copper slag on corrosion behavior of horizontal …
— The main objective of this study was to investigate the effects of copper slag on the ingress of corrosive substances, including chloride ions and water and the …
Corrosion mechanisms of magnesia-chrome refractories in copper slag …
— Request PDF | Corrosion mechanisms of magnesia-chrome refractories in copper slag and concurrent formation of hexavalent chromium | Magnesia-chrome refractories have been essential materials for ...
Bond strength and corrosion behavior of rebar embedded in copper slag …
Request PDF | On Feb 1, 2024, Swetapadma Panda and others published Bond strength and corrosion behavior of rebar embedded in copper slag concrete composites | Find, read and cite all the research ...
(PDF) A Study on Chloride Corrosion Resistance of Reactive …
— In order to study the influence of freeze–thaw cycles on chloride ion corrosion resistance of RPC with copper slag (CS) instead of quartz sand (QS), the 28d …
Chemical corrosion mechanisms of magnesia–chromite and …
— The penetration and corrosion resistance to copper and anode slag of six magnesia–chromite and six chrome-free refractory brick types were tested using static finger tests at a typical copper-refining temperature (1300. °C).. The microstructures of the as-delivered and tested refractory types were investigated by means of electron-probe …
A Review of the Influence of Copper Slag on the Properties …
— Abstract. Global copper slag (CS) emissions reached 57.2 million tons in 2021. Despite the increasing reuse of CS, the treatment of CS is still dominated by …
(PDF) USE OF COPPER SLAG IN CONCRETE AND CEMENT MORTAR AS REPLACEMENT
There is almost 6.67% increase in compressive strength of concrete compared to control mixture (i.e. sand) at 40% copper slag replacement at 28 days of cuirng.Mixture containing 50% copper slag gave higher split tensile strength of concrete, almost 19.3% increase compared to control mixture at 28 days of curing.For cement mortars, all ...
REVIEW ON FIBER REINFORCED CONCRETE BY PARTIAL …
Suresh Reddy etal. (2013) studied the concrete made of copper slag replacing sand up to 50% are used to study the strength parameters, compressive strength, split tensile strength and flexural strength of both M30 and M40 grade of concrete mixes. Sand was replaced with copper slag in proportions of 0%, 10%, 20%, 30%, 40% and 50%.
Influence of partial replacement of fine aggregate by copper slag …
— Copper slag has been substituted for fine aggregate in various quantities ranging from 10% to 50% in the concrete compositions. In total, six concrete mix proportions have been produced, for which the parameters like water absorption and chloride permeability were evaluated. ... The effect of copper slag on strength and …
Sustainable and Comprehensive Utilization of Copper Slag: A …
— Thus, implementing technologies of slag treatment is a complex and challenging task. Within this paper, application options, the environmental behavior, and …
The potential of copper slag as a precursor for partially …
DOI: 10.1016/j.jclepro.2023.140283 Corpus ID: 266526178; The potential of copper slag as a precursor for partially substituting blast furnace slag to prepare alkali-activated materials
Paver Block using Copper Slag and Plastic Waste
The world copper production is currently about 24.6 million tons (International Copper Study Group) and it is estimated that for every ton of copper produced, about 2.2tons of copper slag is generated as a waste. D. Copper slag Origin Copper slag is a by-product of copper extraction by smelting.
BACKGROUND REPORT PRIMARY COPPER SMELTING …
copper, molten slag containing iron oxides plus gangue and flux oxides, and offgas. The slag typically contains as much as two percent copper. This slag can be recycled to the flash furnace, or its copper content can be recovered in a slag cleaning furnace, often electric. The flash furnace
Corrosion mechanism of magnesia-chrome refractory bricks …
— Request PDF | Corrosion mechanism of magnesia-chrome refractory bricks with FetO-SiO2-Cr2O3 copper converter slag | The paper investigates the effect of Cr2O3 on the resistance of magnesia-chrome ...
Concrete Made with Partially Substitutions of Copper Slag …
— Copper slag (CPS) is a large amount of waste material produced during the manufacture of copper. The disposal of this waste material becomes a problem for environmental concerns. Therefore, it is necessary to explore feasible alternate disposal options. They may also be utilized in concrete manufacturing to cut down on the usage …
Exploring the Potential of Copper Slag and Quartz as Fine …
— In the realm of civil construction, river sand is an essential ingredient that cannot be overlooked. With the ever-increasing surge in construction activities, the demand for river sand has surged in tandem, resulting in its escalating scarcity, and subsequently, its price surge across the entire nation. This study delves into the utilization of copper …
Bond strength and corrosion behavior of rebar embedded in copper slag …
— This study is focused on assessing the bond characteristics and corrosion behavior of reinforcing bars embedded in copper slag concrete composites (CSCC). RILEM beams were prepared using CSCC with varying replacement percentages of copper slag (CS), and tests were conducted following RILEM-FIP-CEB (1973). The corrosion …
Concrete Made with Partially Substitutions of Copper Slag …
— Concrete made with w / c 0.55 possess high flowability (100–175 mm) to have a maximum slump value of 175 mm, and therefore higher workable concrete. …
Effect of copper slag fine aggregate on corrosion processes …
— View PDF; Download full issue; Search ScienceDirect. Construction and Building Materials. Volume 271, 15 February 2021, 121909. Effect of copper slag fine aggregate on corrosion processes and behavior in reinforced concrete prism specimen. ... and migration. In the wetting stage of cyclic wetting and drying, dry or partially dry …
Research Paper Properties of Concrete Using Copper …
fine aggregate, coarse aggregate and copper slag used in concrete were tested. The main objective of the work is to encourage the use of these waste products which get from …
Bond strength and corrosion behavior of rebar embedded in copper slag …
— The control concrete specimens in this study were prepared using ordinary Portland cement (OPC) of 43-grade, adhering to IS 8112 [70], equivalent to Type-I Portland cement according to ASTM C150/C150M [71].The natural river sand (NS), meeting the criteria of Specification E11 of ASTM C33/C33M [72], and natural coarse aggregates of …
Critical role of slags in pitting corrosion of additively …
— Pitting corrosion in seawater is one of the most difficult forms of corrosion to identify and control. A workhorse material for marine applications, 316L stainless steel (316L SS) is known to ...
(PDF) New refractory materials for the copper industry
— Download full-text PDF Read full-text. Download full-text PDF ... The slag can partially decompose forming Fe-rich spinel of the ... Corrosion by copper slag was studied in sintered samples ...
Study on the Influence of Corrosion and Cracking in the …
phosphate's natural corrosion-inhibiting property has decreased the deleterious impact of the copper slag and improved the performance of the structure. Keywords Geopolymer …