corrosion of partially copper slag in

A Review on Partial Substitution of Copper Slag with Sand in ...

of copper slag in concrete has many environmental benefits for example waste recycling and resolve disposal problems. Copper slag consists mechanical and chemical properties that is eligible as the material to be used in production of concrete as a partial replacement as a substitute for aggregates.

Experimental Study on Partial Replacement of Copper Slag and ...

Keywords: structures with steel bars to keep cracks as small as Partial Replacement, copper slag, fly ash, Strength of concrete. possible. But they’re not small I. INTRODUCTION corrosion that further weakens the This concrete developed in the last decade, may contribute to safer, more durable, and sustainable concrete

CiteSeerX — Effect of Copper Slag as a Partial Replacement of ...

Copper slag is one of the materials that is considered as a industrial waste which can be used in construction Industry. This paper presents the results of an experimental investigation on the properties of concrete using copper slag as partial replacement of fine aggregate.

Partial Replacement of Copper Slag as Fine Aggregate

copper slag. Fig.7. Comparison of Flexural Strength of Beam IV. CONCLUSION The concrete was prepared for the M 25 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0%, 10%, 15% and 20%. The specimens were casted for 7days, 14 days and 28 days then tested. The results are presented above.

Research Paper PERFORMANCE OF COPPER SLAG ON STRENGTH ...

Copper slag is a by-product obtained during the matte smelting and refining of copper. Copper slag used in this work was brought from Sterlite Industries Ltd SIL , Tuticorin, Tamil Nadu, India. SIL is producing Copper slag during the manufacture of copper metal. Currently, about 2600 tons of Copper slag is produced

Copper Slag - an overview ScienceDirect Topics

Copper slag, or fayalite slag, is a by-product obtained during the matte smelting, converting and refining of copper Fig. 7.11 . 54,59 It has been estimated that for every tonne of copper produced, about 2.2 tonnes of slag is generated, 60 as a consequence of the relatively low grades of copper concentrates now available.

Comparison of The Replacement of Natural Sand by Copper Slag ...

slag. This paper reports some experimental studies on the effect of copper slag partially replacing sand on concrete performance. In this paper, an experimental work was carried out to investigate the effect of copper slag as a fine aggregate on the properties of concrete. For this work, copper slag is a byproduct of copper production, which ...

Basic Understanding of Weld Corrosion

taining copper. Source: Ref 14. Curves A and B indi e high and medium cooling rates, respectively. Fig. 4 Depleted regions adjacent to precipitates. These regions cause an electrochemical potential E dif-ference that can promote localized corrosion at the microstruc-tural level. Fig. 5 Intergranular corrosion weld decay of stainless steel ...

Corrosion and Leaching Studies in Blended Copper Slag Mortar

Copper slag usually has a low content of CaO; granulated copper slag exhibits pozzolanic properties as CaO content in copper slag increases, it can exhibit cementitious properties. Studies 8-12 indi ed that a copper slag, which contains approximately 19% CaO, show a good cementitious property under the activation of NaOH.

CiteSeerX — Assessment of Corrosion and Durability ...

But not much research has been carried out concerning durability and corrosion studies of copper slag admixed concrete. This paper presents the results of an experimental study on various corrosion and durability tests on concrete containing copper slag as partial replacement of sand and cement.

Geotechnical Properties of a Copper Slag

0.56 percent copper, and 0.14 percent lead. The copfÞr-slag, which has a black, shiny appearancen is partially crushed to stnaller particle sizes and Ls stockpiled after the refining process. This study was conducted to deternine. if the slag could be used econonically in congtruction so that the aesthetic

EXPERIMENTAL STUDY OF CONCRETE WITH COPPER SLAG FOR PARTIAL ...

The percentage of copper slag used for replacement of river sand are 0%, 10%, 20%, 30%, 40%, 50%. Cement sand mortar joint thickness of 10 and 15mm. Plaster ability of use of copper slag for partial replacement material for river sand. Use of copper slag as replacement material for river sand in cement concrete.

The Behaviour of Concrete by Partial Replacement of Fine ...

Copper slag and GGBS and compare it with the controlled concrete mix. This is expected to provide:- To partially replace sand with Copper slag and cement GGBS in concrete as it directly influences economy in construction. To design and proportion the concrete mix for M25 grade concrete, As per the recommendation of

journals on partial replacement of concrete by copper slag ...

Corrosion and Leaching Studies in Blended Copper Slag Mortar pdf. Journal of Engineering and Technology Jan-Jun 2014 Vol 4 Issue 1. Corrosion and ... products such as fly ash, silica fume, and slag were considered ... which could have a promising future for partial replacement ... and corrosion resistance properties of copper slag admixed concrete was evaluated using compression.

Copper slag as fine aggregate for high performance concrete

3.3 Copper slag Copper slag is a by-product material produced from the process of manufacturing copper. As the copper settles down in the smelter, it has a higher density, impurities stay in the top layer and then are transported to a water basin with a low temperature for solidifi ion. The end product is a solid, hard

Slags, copper smelting - Registration Dossier - ECHA

EC number: 266-968-3 CAS number: 67711-92-6 Slag resulting from the smelting of a heterogeneous mixture of copper and precious metals from primary and secondary sources and plant reverts. Major constituents are iron oxide and silicon dioxide with minor amounts of copper, lead, nickel and various non-ferrous metals and oxides.

Corrosion Protection and Resistance: Conditions ... - Copper

2-4 Very likely, this apparent lack of interest in the soil-side corrosion of copper is the result of the metal& 39;s known corrosion resistance in underground environments. Analysis of the results obtained in these three independent investigations clearly establishes that the underground corrosion of copper is unusually compli ed.

Slags, copper smelting - Registration Dossier - ECHA

- Copper slag is not skin irritant. The absence of irritation effects furthermore excludes the possibility for corrosion, defined as serious damage of tissues throughout the skin thickness.- Copper slag is not harmful and not toxic via oral and dermal route.

Mineralogy of slags: a key approach for our understanding of ...

Figure 2. Two extreme cases of copper-slag macrostructures on bulk polished sections daylight macrophotography . a Unreacted minerals in a conglomerate slag from Chalcolithic La Capitelle du Broum, and b homogeneous melt in a plate slag from Early Bronze Age Saint-Ve´ran size ofimage and 2.5 cm . Figure 3. Typical copper-slag microstructure as

CORROSION CURRENT DENSITY OF MACROCELL OF HORIZONTAL STEEL ...

variations in chloride ion concentrations are s contributing to the macrocell corrosion significant factor formation. Keywords: Chloride-induced corrosion, Macrocell corrosion current density, Oxygen permeability, Horizontal steel bar, Copper slag fine aggregate . 1. INTRODUCTION Chloride-induced corrosion is a concern for RC

Effect of copper slag on performance of warm mix asphalt ...

Copper Slag CS is a by-product obtained during the matte smelting and refining of copper. It is classified as waste materials and, therefore, is considered as an environmental issue to cope with. It can be effectively used for construction of pavement layers.

Experimental Investigation on the Mechanical Properties of ...

properties by substituting copper slag for sand partially in concrete. For sand replacement, four test groups including control mixture were constituted with replacement of 0% control specimen , 30%, 40% and 50% copper slag with sand in each series.

A Review on Performance Assessment of Concrete by Partly ...

Copper slag is black glassy and granular in nature and has a similar particle size range like sand. The specific gravity of Indian slag lies between 3.4 and 4.1. The bulk density of copper slag varies between 1.9 to 2.15 Kgandm3 which is almost similar to the bulk density of conventional fine aggregate.

STUDY ON DURABILITY PROPERTIES OF SELF COMPACTING CONCRETE ...

with copper Slag partially replaced for fine aggregate at 20%, 40%, 60% and 80%. The SCC was prepared as per the mix design procedures stipulated by the EFNARC and it was ensured that fresh concrete satisfied all the workability properties.

Corrosion Protection and Resistance: Conditions ... - Copper

2-4 Very likely, this apparent lack of interest in the soil-side corrosion of copper is the result of the metal& 39;s known corrosion resistance in underground environments. Analysis of the results obtained in these three independent investigations clearly establishes that the underground corrosion of copper is unusually compli ed.

Effect of Copper Slag as a Partial Replacement of Fine ...

Copper slag is one of the materials that is considered as a industrial waste which can be used in construction Industry. This paper presents the results of an experimental investigation on the properties of concrete using copper slag as partial replacement of fine aggregate.

November 2016, Volume 3, Issue 11 JETIR ISSN-2349-5162 ...

D et al 4 investigated on various corrosion and durability tests on concrete containing copper slag as partial replacement of sand and cement. In this paper, M50 grade concrete was used and the tests were conducted for various proportions of copper slag replacement with sand of

Effect of Copper Tailing Content on Corrosion Resistance of ...

With the increasing proportions of copper tailings of concrete in the Qinghai Salt Lake area of China, there arises the problem of corrosion of steel reinforcement in concrete structures. In this study, we determine the corrosion rate CR , crack width, and corrosion potential of the steel reinforcement with copper tailing. This was achieved by conducting the constant-current accelerated ...

Effects of bleeding on corrosion of horizontal steel bars in ...

The presence or absence of copper slag fine aggregate and fly ash replacement were taken up as experimental factors. The results suggested that the corrosion of horizontal steel bars in the upper part of the column concrete specimen was adversely affected even for the case of OPC specimens with relatively lower bleeding water.

Effect of copper slag on performance of warm mix asphalt ...

Copper Slag CS is a by-product obtained during the matte smelting and refining of copper. It is classified as waste materials and, therefore, is considered as an environmental issue to cope with. It can be effectively used for construction of pavement layers.

The behaviour of Concrete by Partial Replacement of Fine ...

Copper slag which is an industrial by-product of Sterlite Industries Ltd SIL , Kolkata, India. The main objective of this thesis is to determine the concrete strength of M25 Grade by partial replacement of cement from 0% to 20% and sand from 0% to 50% with copper slag separately in two phases.

Journal of Alloys and Compounds - htmlt.wust.edu.cn

According to this work, slag corrosion resistance of the bricks increased with increasing Cr2O3 content and to prevent slag penetration, 90% of the pores should have a diameter below about 20mm. Nikoo 28 varied the FeO/SiO2 ratio of copper slag from 1.5 to 2.6 to investigate the effect of basicity of

A BRIEF REVIEW ON BLAST-FURNACE SLAG AND COPPER SLAG AS FINE ...

of copper is produced, 2.2-3 tonnes of CS are gen-erated 4 . In Oman approximately 60,000 tonnes of copper slag is produced every year 5 . The pro-duction approximately 0.36, 0.244, 2.0, and 4.0 million tonnes of CS is reported in Iran, Brazil, Ja-pan and the United States, respectively 6 . Cur-rently, about 2 million tonnes of waste copper slag

Study of Properties of Concrete containing Copper Slag as ...

durability tests on concrete containing copper slag as partial replacement of sand. In this report, M30 grade of concrete was designed and tests were conducted with different percentage of copper slag as fine aggregate in concrete. The results indi e that workability increases with increases in the copper slag percentages.

Copper-Induced Metal Release from Lead Pipe into Drinking ...

The effect of added cupric ions 0 mg/L to 5 mg/L Cu 2 on possible deposition corrosion of lead pipe was investigated in bench-scale experiments under flowing and stagnant water

Effects of bleeding on corrosion of horizontal steel bars in ...

The presence or absence of copper slag fine aggregate and fly ash replacement were taken up as experimental factors. The results suggested that the corrosion of horizontal steel bars in the upper part of the column concrete specimen was adversely affected even for the case of OPC specimens with relatively lower bleeding water.

Recovery of Fe–Cu Alloys from Copper Slag SpringerLink

Copper slags containing 42–45% of iron, silica and minor amounts of copper were used for producing Fe–Cu alloys by reducing the oxides contained in the slag to obtain a Fe-0.84 wt% Cu alloy, which could be suitable as feeding material to manufacture a corrosion resistance steel, and also would be an alternative for minimizing the copper ...

EXPERIMENTAL STUDY ON CONCRETE BY PARTIAL REPLACEMENT OF RICE ...

copper slag after which the strength was found to be decreasing. Binaya et al reported that sand can be partially replaced with copper slag in concrete manufacturing process and for M20 Grade mix the maximum strength can be attained with 40 % of Copper Slag replacement. Binaya et al

LEACHABILITY OF CHROME FROM MAGNESIA-CHROMITE REFRACTORY ...

the chemical durability of corrosion products in water is evaluated. The corrosion tests confirm intensive infiltration of the slag melts into the tested refractory bricks and formation of Cr 6 compounds. The molten copper partially oxidizes during corrosion test by air and penetrates into bricks.

Partial replacement of Fine aggreggate by Copper Slag and ...

Copper slag is the waste material of smelting and refining of copper such that each ton of copper generates approximately 2.5 tons of copper slag. Copper slag is one of the materials that is considered as a waste which could have a promising future in construction Industry as partial or full substitute of aggregates.

Assessment of Corrosion and Durability Characteristics of ...

But not much research has been carried out concerning durability and corrosion studies of copper slag admixed concrete. This paper presents the results of an experimental study on various corrosion and durability tests on concrete containing copper slag as partial replacement of sand and cement.

Corrosion Behavior of Copper Alloys: Part Two Total ...

Copper-nickel 90/10 has a very good resistance to uniform and local corrosion in seawater and, as opposed to other copper alloys, is not as susceptible to stress corrosion cracking. The required corrosion allowance for seawater appli ions for 20 years is 0.5 mm Lloyd´s Register .

Copper Corrosion by Atmospheric Pollutants in the Electronics ...

Hydrogen sulphide H<sub>2</sub>S is considered one of the most corrosive atmospheric pollutants. It is a weak, diprotic, reducing acid, readily soluble in water and dispersed into the air by winds when emitted from natural, industrial, and anthropogenic sources. It is a pollutant with a high level of toxicity impairing human health and the environment quality. It attacks copper forming thin ...

DURABILITY AND STEEL CORROSION RESISTANCE OF SLAG WITH ...

sodium hydroxide activated copper slag based geo in sulphates and chlorides aggressive solutions depicted a slight increase in the compressive strength. Moreover, the corrosion resistance of the samples was enhanced in the aggressive media 15, 16 . A supporting study also concluded that the resistance of Na 2 CO 3-activated blast furnace

Evaluation on Accelerated Corrosion Properties of the ...

Keywords—Copper slag, Mineral admixtures, Accelerated corrosion process, Galvano-static weight loss method. I. NTRODUCT I ION Concrete will be a generally utilized development material for different sorts of structures because of its strength.

Copper Slag Abrasive Blasting meterials - Manufacturer ...

During the copper slag blasting operation environment in the vicinity of the working areas are polluted by a fine dust of the abrasive material which is used, paint, metal chips, and toxic metals. Most of the Shipbuilding and Ship repair industries had started replacing copper slag as abrasive media to environment-friendly media.

USE OF COPPER SLAG IN CONCRETE AND CEMENT MORTAR AS ...

3.3. Copper Slag Copper slag is a by-product material produced from the process of manufacturing copper. The end product is a solid, hard material that goes to the crusher for further processing. Copper slag used in this work was bought from Sterlite industries India ltd, Tuticorin, Tamil Nadu, India.

Optimization of the flotation of copper smelter slags from ...

plant Slag Mill Plant for liberation and recovery of copper. This work focuses on optimizing the recovery of copper minerals in copper smelter slags by means of froth flotation. Most of the copper minerals present in the Namibia Custom Smelters’ slags are free sulphide minerals,

CORROSION OF BASIC REFRACTORIES IN COPPER METALLURGY

Keywords: corrosion, refractory, lining, copper metallurgy, melt 1 Introduction Knowledge of corrosion processes on the melt – solid boundary is very important for life time of refractories and for refractory using design. This paper is aimed to experimental testing of three types basic refractories used in copper refining.

Experimental Investigation of Copper Slag as Partially ...

2.6Chemical properties of copper slag . Copper slag has high concentrations of SiO. 2. and Fe. 2O 3. compared with OPC. In comparison with the chemical composition of natural Pozzolan of ASTM C 618-99, the summation of the three oxides silica, alumina and iron oxide in copper slag is nearly 95%, which exceeds the 70%

Behavior of Copper Slag Admixed Concrete in Acidic Environment

with copper slag. After finding the optimum percentage of copper slag from compressive strength test, test specimens were again casted with optimum % of copper slag for studying the resistance to acid attack and been compared with that of normal concrete. The mix proportions are 1:2.01:3.33 with water/cement ratio as 0.50. 4.

Copper Slag - Clean Blast

COPPER SLAG . Copper slag is the most economical expendable abrasive for blasting purpose in areas where recovery and recycling is impractical. It is a by-product formed during the manufacture of copper while smelting and quenching process in copper smelter. The slag is processed and screed in various grades for blasting purpose.

US4113474A - Copper alloys of excellent corrosion resistance ...

Copper alloys which excel in corrosion resistance, moldability and workability and are particularly suitable for use as materials for valves, cocks, elbows, tees, etc. or cast parts associated therewith.

Abrasives of Copper Eurogrit Iron Sili e

corrosion protection on almost all surfaces. Suitable for SA -3, SA- 2‰ and SA-2. Properties Vitreous amorphous slag. Absorbs no water. During the manufacture of the abrasive no crushing or grinding procedures are included. Therefore, the single abrasive particle is not broken up and retains its extreme

A study on development of concrete using copper slag with ...

In this study different percentage of copper, slag is used. Copper slag as a replacement of fine aggregate in concrete and replaced in the range of 0%, 10%, 20 %, 30%, 40% and 50% by weight of fine aggregate in concrete. It was found that with an increase in the amount of copper slag in concrete

Cement Mixtures Containing Copper Tailings as an Additive ...

billion tons of copper tailings will be produced in future. Previous studies have shown that copper slag, which is less abundant in comparison to copper tailings, can enhance the mechanical and durability properties of mortar and concrete. Ayano and Sakata10 observed higher long-term compressive strength in concrete mixtures containing copper slag.

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