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A large amount of steel slag is employed as was mentioned above to road construction as an aggregate in concrete production or fertilizer production and after relevant treatments as a hydraulic binder 26 27 to replace river sand for preparing the waterproof mortar...

STUDY ON CONCRETE USING STEEL SLAG AS COARSE

Thus the concept of replacement of coarse aggregate with steel slag and fine aggregate with ecosand seems to be promising In this study an attempt is made to use steel slag a by-product from steel industry as replacement for coarse aggregate in concrete and eco sand which is a commercial by-product of cement...

Partial Replacement of Steel Slag Aggregates in Concrete

However the third mix with fly ash replacement in binder showed reduced strength in comparison with control concrete Hence it is concluded that when slag aggregate is used as a partial replacement for river sand 50 it is advisable to use OPC than the Pozzolanic Portland Cement PPC...

Minimization of Copper Losses in Copper Smelting Slag

Sep 21 2012 0183 32 During the last few decades the pyrometallurgical processes used for cleaning copper smelting slags have been steadily optimized The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task giving a level of copper in discard slag typically in the range of 055 wt and 13 wt with most plants reporting copper losses in the discard slag in the range of...

PAPER OPEN ACCESS Effect of nickel slag as a sand

The water-to-cement ratio used in this research was 035 Nickel slag was used as sand replacement a with the proportions of 0 10 20 30 40 and 50 by weight Due to the different specific gravity between sand and nickel slag in which nickel slag is heavier than sand the total volume of concrete containing nickel slag will decrease...

Special Issue Process Modeling in Pyrometallurgical

The relaxation of the surface force of liquid iron plays a significant role in the dripping rate ie the molten slag on the cokes acts as a lubricant against liquid iron flow If the attractive force between the coke and slag is smaller than the gravitational force the slag then drops together with the liquid iron...

Reuse of waste ferrochrome slag in the production of

N2 - This study focuses on the reuse of waste ferrochrome FeCr slag as a partial replacement for sand in the production of cement mortar with improved thermal and mechanical properti Sand was replaced by FeCr slag in different percentages ranging from 0 up to 20 by weight...

Experimental Study on concrete using Copper Slag as

2 We conclude that by using copper slag as replacement for fine aggregate in concrete increases the density of concrete 3 Hence 40 replacement of copper slag is the optimum proportion for replacing fine aggregate REFERENCES 1 Al-Jabri KS Al-Oraimi SK Performance of High Strength Concrete made with Copper Slag as a Fine...

Pyrometallurgy

Pyrometallurgy is a branch of extractive metallurgyIt consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable metals Pyrometallurgical treatment may produce products able to be sold such as pure metals or intermediate compounds or alloys suitable as feed for...

Replacement of Fine Aggregate by Granulated Blast

materials to replace river sand Granulated Blast furnace Slag GBFS a waste industrial by product is one such material identified for replacement of natural sand This paper highlights upon the comparative study for the utilization of GBFS as replacement of natural fine aggregate in...

Slag sand a good alternative to river sand say experts

Mar 17 2015 0183 32 They said that slag along with a chemical mixture is being used as a replacement to river sand by different government agencies including the Public Works Department...

Sustainability of Concrete Using Copper Slag as

Copper Slag Copper slag produced during the matte smelting and refining of copper ore during which the iron present in the copper concentrate combines chemically at 1200 176 C with silica present in flux materials such as river sand/silica sand/ quartz fines to form iron silicate which is termed as copper slag...

STEEL SLAG AS REPLACEMENT OF FINE AGGREGATE IN

steel slag to evaluate the effectiveness of the use of steel slag as a partial replacement in sand To replace Sand with various percentages 10 20 30 40 of steel slag waste in M25 M30 M35 concrete Investigation have been carried out to study the effect of steel slag on various property of concrete like compressive split tensile...

Economic and environmentally beneficial treatment of

Slag cleaning can enhance the recovery of valuable metals in existing pyrometallurgical processes or can produce economic value from recycling old slag dumps For example a process has been developed and implemented industrially for recovering cobalt from copper smelting slag in a DC arc furnace...

PDF The effect of replacing sand by iron slag on

In another study Ouda and Abdel-Gawwad 39 found that the incorporation of basic oxygen furnace BOF slag at 100 as fine fraction total replacement of sand produces a higher packing degree a...

Pyrometallurgical Process

Pyrometallurgical Process The nickel slag is recycled back into the process until its nickel concentration is low and is then disposed of in stockpil 72 In China alone the 2005 generation of nickel slag was 800 000 tonnes and the coarse fraction was used as a substitute for sand...

Pyrometallurgical High Temperature Recovery Process

lithium carbonate Toxco 2009 Toxco 2010 Pyrometallurgical High-Temperature Recovery Process Pyrometallurgical recovery relies on a high-temperature smelting process to recover the metals and other materials This process allows recycling of a variety of end-of-life EOL lithium-ion batteries based on different chemistri Under this process the unsorted and untreated EOL batteries...

EXPERIMENTAL INVESTIGATIONS ON PARTIAL

copper Copper slag is produced during pyrometallurgical production of copper from copper ores which contain substantial amount of materials like iron alumina calcium oxide silica etc For every tonne of metal production about 22 tonnes of slag are generated At present about 33 million tonnes of Copper Slag...

PDF EFFECT OF PARTIAL REPLACEMENT OF SAND BY IRON SLAG

Iron and steel making slag are by products of the iron making and steelmaking process To date these types of slag have been widely used in cement and as aggregate for civil works The report presents an investigation of mechanical and durability properties of concrete by adding iron slag as replacement of sand in various percentag...

Utilization of secondary lead slag as construction material

Various processes for metal recovery including pyrometallurgical hydrometallurgical and bioleaching methods are summarized LS and Zinc Slag ZS as replacement for sand on the strength of...

Effect Of Copper Slag As A Sand Replacement On The

11 Copper Slag as a Sand Replacement - Copper Slag as a Sand Replacement can be used due to the following reasons It has a high Compressive strength which is equal to that of Fine Aggregate with similar diameter Copper Slag is a non-degradable matter it is creating an environmental problem so when used as a Replacement for Sand and can...

EXPERIMENTAL STUDY ON CONCRETE BY PARTIAL

investigate the potential of using copper slag as a sand replacement material significant knowledge gaps still exist There is a need for more research in India in this area R R Chavan D B Kulkarni 2013 conducted experimental investigations to study the effect of using copper slag as a replacement of fine aggregate on the...

Slag for river sand JSW does it at Ballari

According to JSW authorities slag is an eco-friendly material obtained as a residue of the industrial process which can replace river sand in the construction of buildings JSW Steel is the first...

A review on lead slag generation characteristics and

Jul 01 2019 0183 32 Therefore the granulated lead slag can be used as a substitute for sand and natural aggregates in road construction Li et al 2016 selected the lead slag to replace part of sand as aggregate for road bas When 15 of lead slag and 5 of cement are used the compressive strength of road pavement can meet the requirements of ordinary...

Slags And Fluxes In Pyrometallurgical Processes Keynote

Slags and fluxes are important interchangeable dimensions of pyrometallurgical process They can increase the efficiency of the smelting converting and refining processes and improve the quality of the final products A good slag should have appropriate physicochemical...

Effect of content and fineness of slag as high volume

The coupled effect of slag replacement and slag fineness on hardened properties of UHPC mortar is not widely studied This study aims to explore the effect of content and fineness of slag on strength The sand used is locally available river sand of fineness modulus of 254 and specific gravity of 265 The sand is dried in oven at 1050C for...

Performances of Copper Slag as Partial Replacement of

Copper slag as sand replacement The use of copper slag as sand substitution improves the strength and durability characteristics of high strength concrete up to 50 replacement level Al-Jabri et al 2009 increased the compressive and flexural strength of...

SCOPE OF REPLACING FINE AGGREGATE WITH COPPER SLAG

Jan 27 2016 0183 32 3 T Ch Madhavi 2014 Copper Slag In Concrete As Replacement The researchers found in his experiment that the copper slag is an industrial waste which can be used as a replacement for cement and sand and helps in increasing the mechanical properties of concrete...

INTERNATIONAL JOURNAL OF CIVIL ENGINEERING nd AND

replacement to sand in concrete mixes is explored The effect of replacing fine aggregate by copper slag on the compressive strength flexural strength and split tensile strength of concrete are studied in this work The proposed mix design method was found to be satisfactory for producing concrete with fine aggregates having contrasting...

EXPERIMENTAL INVESTIGATIONS ON PARTIAL

Copper slag is produced during pyrometallurgical production of copper and 100 copper slag replacement for fine aggregat From these results it is understood that the copper slag is coarser than the natural sand and surface area is less Hence water requirement is decreases when the quantity of copper slag...