EXPERIMENTAL STUDY ON PROPERTIES OF STRENGTH AND ...
copper slag for 28days curing. 6. The flexural strength of copper slag concrete is also maximum at 40% replacement of copper slag for 28 days of curing. So the replacement of 20% to 40% of copper slag is generally useful for better strength values in M30 grade of concrete. REFERENCES [1] Brindha, D and Nagan, S (2010). "Utilization of
Utilisation of copper slag for cement manufacture ...
May 01, 2007· Table 9: Performance of slag cements prepared by using 35% copper slag at different fineness. Observation and Analysis: Chemical analysis of granulated blast furnace and copper slag are given in Table 1. The results indicate that granulated blast furnace slag conforms to all the requirements of Indian Standard Specification IS: 12089-1987 for the …
Lead and Zinc Smelting - IFC
"matte" (copper sulfide and other metal sulfides), blast furnace slag (primarily silicates), and lead bullion (98% by weight). All layers are then drained off. The speiss and matte are sold to cop-per smelters for recovery of copper and precious metals. The blast furnace slag, which contains zinc, iron, silica, and lime, is stored in piles and
ISASMELT - Wikipedia
The ISASMELT process is an energy-efficient smelting process that was jointly developed from the 1970s to the 1990s by Mount Isa Mines (a subsidiary of MIM Holdings and now part of Glencore) and the Government of Australia's CSIRO.It has relatively low capital and operating costs for a smelting process. ISASMELT technology has been applied to lead, copper, and …
Utilization of flotation wastes of copper slag as raw ...
Copper slag wastes, even if treated via processes such as flotation for metal recovery, still contain heavy metals with hazardous properties posing environmental risks for disposal. This study reports the potential use of flotation waste of a copper slag (FWCS) as iron source in the production of Po …
Research on Recycling of Solid Waste in Metallurgical ...
Feb 03, 2021· Most of the metallurgical copper slag comes from the pyrometallurgical process of copper smelting, and a small amount comes from the process of zinc smelting and lead smelting. At present, the ratio of blister copper output to output slag volume in my country is about 1:3, plus the copper slag produced by other processes, the output slag volume ...
HHE Report No. HETA-2013-0016-3258, Evaluation of ...
At the copper slag facility, install a potable water hand washing station to improve hygienic conditions and reduce the possibility of ingesting copper slag dust and metals. At the copper slag facility, conduct employee exposure monitoring to determine employee exposure to arsenic. Review the requirements of the Occupational Safety
Jun 24, 2020· As the world's largest refined copper producer, China produces nearly 20 million tons of copper smelting slag (hereinafter referred to as copper slag) every year. Although it contains a large number of valuable metals, as lower comprehensive utilization rate, the vast majority of copper slag were open-air accumulated, occupying a lot of land.
Influence Of Admixture On Shear Parameters Of Copper Slag
the copper slag is mixed with calcium-based compound like lime, the silica and alumina present in copper slag may react chemically on improvement of sub-grades and sub-bases. The present paper discusses the shear parameters of the copper slag when admixed with lime with 14 and 28 days of curing period. 2. Experimental Study 2.1 Materials Used
Recovery of Valuable Metals from Copper Slag by ...
A novel hydrometallurgical method was developed to recycle valuable metals of Si, Fe and Cu from copper slag. The leaching rates of 98%, 99% and 91% for SiO2, Fe and Cu, respectively, were obtained under optimized parameters: solid-to-liquid ratio is 1:10; concentration of hydrochloric acid is 35%; the reaction time is 2 hours and at 80-90°C.
Use of copper slag as a replacement for fine aggregate in ...
In this research, the use of copper slag as a replacement for fine aggregate is investigated. Three slender reinforced concrete columns of 150x150x2500mm were tested for monotonic axial compression load until failure. The concrete mix included ordinary Portland cement, fine aggregate, 10mm coarse aggregate and copper slag.
What is a Copper Slag? (with pictures) - InfoBloom
Copper slag is a by-product created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock. Collectively, these materials make up slag, which can be used for a surprising number of applications in the building and industrial fields.
2. Government Accession No. 3. Recipient's Catalog No ...
USE OF COPPER AND LEAD SLAG IN HIGHWAY CONSTRUCTION: LITERATURE SEARCH-MATERIALS USE AND CONSTRUCTION CONSIDERATIONS 5. Report Date March 2010 6. Performing Organization Code 7. Author(s) Tom Scullion, Pat Harris, and Keisha Rose-Harvey 8. Performing Organization Report No. Report 0-6581-TI ...
TENORM: Copper Mining and Production Wastes | US EPA
Jun 07, 2021· Copper smelting and refining facilities produce 2.5 million metric tons (MT) of smelter slag and 1.5 million MT of slag tailings per year. This is a large volume of slag, however, it is very small compared to comparable waste volumes from mining and crushing operations.
A Review on Utilization of Waste Material "Copper Slag" in ...
Copper slag is a waste material during extraction of copper from high concentrate copper ore by floatation and filtration processes. At present,the accumulated fine copper slag is about 3 lac metric tons (MT),while its annual production is about 2.5 lac tons. Copper slag is a by-product obtained during the matte smelting and refining of copper.
A Study on Effective Replacement of Fine Aggregate using ...
Also, copper slag exhibits pozzolanic properties since it contains a low CaO content and other oxide such as Al2O3, SiO2, and Fe2O3. Use of copper slag in the concrete industry as a replacement for cement and/or fine aggregates can has the benefits of reducing the costs of disposal and helps protecting the environment.
UTILIZATION OF COPPER SLAG TO IMPROVE …
(copper slag) for the soil improvement. Copper slag, which is produced during production of copper from copper ore, contains minerals like iron, alumina, calcium oxide, silica, etc. For every tone of metal production about 2.2 tone of slag is generated. Total generation of copper slag is about 24.6 million tones throughout the world.
PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE
Properties And Effects Of Copper Slag In Concrete 46 PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE M. V. PATIL Applied Mechanics Department, S.V. National Institute of Technology, Surat, Gujarat Abstract: Copper slag is a by-product obtained during matte smelting and refining of copper. This work reports an
Copper Slag | TECHNOBLAST WORKSHOPS
Copper slag is an abrasive blasting grit made of granulated slag from metal smelting process ( also call iron silicate). Copper Slag abrasive is suitable for blast cleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt …
Performance Characteristics of Copper and Coal Slag …
traces of combined copper in a few slag particles. This copper may, however, be associated with copper-bearing sulfides and/or secondary copper minerals that formed after the slag production. • Sample No. 11-This sample contains noticeable amounts of metallic copper (Fig. 3). In addition, there are secondary copper minerals (probably malachite).
Copper Slag Research Papers - Academia.edu
Copper slag is an industrial by-product material produced from the process of manufacturing copper. Use of Copper slag does not only reduce the cost of construction but also helps to reduce the impact on environment by consuming the …
[PDF] Use of copper slag as construction material in ...
Copper Slag (CS) is produced as waste from roasting of copper, in which sulphur (as SO 2 ) is eliminated. CS was used as fine aggregate (up to 30%) in the design of bituminous mixes like Bituminous Macadam, Dense Bituminous Macadam. Bituminous Concrete and Semi-Dense Bituminous Concrete. Mechanical properties of mix such as Marshall stability, Indirect Tensile …
Effect of Copper Slag and Recycled Aggregate in the ...
Jul 30, 2018· The use of Copper Slag (CS) in concrete provides environmental as well as economic benefits for all related industries, particularly in areas where a considerable amount of CS is produced. Owing to the scarcity of fine aggregate for the preparation of mortar and concrete, partial replacement of CS with sand have been attempted.
Copper Slag - General Information, Process, Products ...
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.
Copper Slag Short Presentation | PDF
COPPER SLAG. Copper slag is a by-product created during the coppersmeltingand refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock. Collectively, these materials make up slag, which can be used for a surprising number of applications in the building and industrial fields. This material represents …
SUSTAINABILITY OF COPPER SLAG PROCESSING FROM …
Copper Slag Copper slag, which is produced during pyrometallurgical production of copper, contains a significant amount of Cu together with trace amounts of other heavy metals. According to Gorai et al. (2003), about 2,2 tons of copper slag is generated for every ton of copper production. Approximately 24,6 million tons
EXPERIMANTAL INVESTIGATION OF PARTIAL REPLACEMENT …
Copper slag is an industrial by-product material produced from the process of manufacturing copper. For every ton of copper production, about 2.2 tons of copper slag is generated. It has been estimated that approximately 24.6 million tons of slag are generated from the world copper industry. Although copper slag is widely used in the sand
Utilization of Soil Stabilization with Cement and Copper ...
Utilization of Soil Stabilization with Cement and Copper Slag as Subgrade Materials in Road Embankment Construction Jaber Shahiri1, Mojtaba Ghasemi2,* Received: 29. 08. 2016 Accepted: 02. 05. 2017 Abstract In this study, unconfined compression tests have been conducted to investigate the impacts of copper slag
Characteristics and chemical speciation of waste copper slag
Jan 06, 2021· Waste copper slag contains abundant valuable metal element Fe, and residual elements such as Cu, As, Pb, Zn, and Mo. Simply stockpiling or landfilling would waste valuable metal resources and cause contamination due to the leachable harmful elements. In this paper, the HJ/T299-2007 test and TCLP test have been utilized to evaluate the leaching toxicity of …
Lead smelting - Wikipedia
The lead slag stream, containing most of the 'fluxing' elements added to the sintering machine (predominantly silica, limestone, iron and zinc) can either be discarded or further processed to recover the contained zinc. The crude lead bullion, containing significant quantities of copper will then undergo 'copper drossing'.
Effect of Copper and Iron Ions on the Sulphidizing ...
Mar 11, 2018· The treatment of smelting slag has attracted much attention nowadays. This study investigates the influence of Na 2 S, CuSO 4, and FeCl 3 on sulphidizing flotation of copper oxide. The results show that a proper Cu 2+ concentration can increase the sulphidizing effect of copper oxide, while Fe 3+ inhibits the sulphidizing effect.
METAL MINING TECHNOLOGY IN JAPAN 8
a difficulty with lowering the copper grade of slag, which necessitates the reprocessing of slag by slag cleaning furnace, or the application of a fl ash furnace fi tted with söderberg type electrodes, that is "a fl ash furnace with furnace electrodes" to lower the copper content of slag. 5. Worldwide diffusion of the fl ash furnace process
A REVIEW ON UTILIZATION OF COPPER SLAG IN …
3. Copper slag can also be mixed with fly ash and cement to enhance the strength effectively. 4. Copper slag can be recommended for sub-grade, sub-base, bitumen mixes. Engineering behaviour of expansive soils can be improved by utilizing 40% of the copper slag along with 2% Portland cement for embankment construction, land reclamation and for
Is copper slag toxic? - Quora
Answer: There are conflicting opinions on this. On the one hand, some say that the glassy slag doesn't allow a significant amount of toxic metals to leach out, but other research shows that plenty of lead, zinc, arsenic, cadmium and of course copper does. Plenty of variables - the composition of ...
Concrete mix design using copper slag as fine aggregate
Nov 10, 2014· Copper slag was characterised by Szyrle and Wozniak (1988) to find its use in abrasive blasting treatment or in the manufacture of abrasive tools. 4.2 Pavement The use of copper slag aggregates in hot mix asphalt pavements was investigated by Transportation Research Board, Washington (Collins and Cielieski, 1994).
12.3 Primary Copper Smelting
Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4
Copper slag sandblasting abrasives (Iron Silicate)
Copper slag (Iron Silicate) abrasive has a HIGHER DENSITY THAN COAL SLAG (~20% HIGHER) AND WILL THUS BLAST FASTER THAN COAL SLAG, AND YOU CAN RECLAIM IT A COUPLE OF TIMES AS WELL. Copper will therefore result in less product consumption, less disposal cost, and overall, a more cost-effective media to use when compared with garnet, …
Copper Slag (Grit) - SuVino Exports Private Limited
Copper – Cu (% wt) 0.42 7. Titanium Di-oxide (% wt) 0.60 8. Potassium Oxide (% wt) 1.02 The above is typical analysis and values for specific consignments can vary. Carbonates, sulphates, arsenic, cadmium, lead, selerium – Not detected. Physical Properties of Copper Slag S. No. Property Analysis 9.