ncrete lead slag

2021-08-07T22:08:41+00:00
  • Lead Slag - an overview ScienceDirect Topics

    The use of lead slag in road construction and concrete will cause environmental risk of leaching toxic elements. The utilization rate of lead slag in cement clinker is extremely low. Geopolymers and glass-ceramics have good stabilization effect on toxic elements.

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  • Concrete slag lead against gamma ray iran slag

    2020-1-19  Lead slag, known as a by-product of the process of pure lead generation from worn-out batteries, contains large amounts of lead and other heavy metals. It can therefore be used as a raw material for the production of heavy concrete.

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  • A review on lead slag generation, characteristics, and ...

    2019-7-1  The compressive strength of concrete prepared from lead slag was superior to that of ordinary concrete. In addition, concrete containing lead slag absorbed gamma radiation more, which made it different from ordinary concrete. Saikia et al. (2012, 2008) used lead slag to replace 25–35% of the fine aggregate in the preparation of the cement mortar. The strength of the cement mortar in which lead slag

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  • Suitability of Fumed Lead Blast-Furnace Slag as ... -

    1998-6-1  The coulomb ratings of the concretes containing slag were lower than those obtained on equivalent control concretes but were higher than those of the fly ash concretes. The results from these preliminary tests indicate that the lead blast-furnace slag is suitable as a pozzolanic admixture for concrete.

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  • EG0800309 Attenuation of Gamma Rays by Concrete –

    The addition of lead slag to the concrete showed an obvious increase in density by increasing the ratio of lead slag to the total fine aggregates from 5 to 30 %, Fig. (2). This is due to the high

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  • Composite materials with primary lead slag content ...

    2018-4-1  The density of primary lead slag (3.31 g/cm3) is comparable to that of aggregates used in heavyweight concrete. The primary lead slag is a sub product in lead production from sulfide ore containing small amounts of copper, iron, zinc, precious metals, and other trace elements.

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  • Effect of granulated lead smelter slag on strength of

    2015-5-15  Granulated lead smelter slag is an effective supplementary cementitious material. • Particle size has significate influence on compressive strength. • Mechanical properties of concrete with slag are similar to those with fly ash. • The addition of lead smelter slag

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  • Attenuation of Gamma Rays by Concrete . Lead Slag ...

    Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

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  • LEACHING PROPERTIES OF SECONDARY LEAD SLAG

    2013-11-17  Sodium lead slag, generated during secondary lead production, is characterized as hazardous waste. The aim of the study was to investigate leaching mechanism and behaviour of lead and arsenic from sodium lead slag previously stabilized/solidified in concrete using additives: MgO, CaO, Ba(OH)2 and gypsum. The influence of selected additives on pollutant release was also investigated.

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  • Use of Blast Furnace Slag Aggregate in Concrete

    2016-9-9  Abstract- The Iron industries produce a huge quantity of blast furnace slag as by–product, which is a non–biodegradable waste material from that only a small percentage of it is used by cement industries to manufacture cement. In the present investigation Blast Furnace Slag from local industries has been utilised to find its suitability as a coarse aggregate in concrete making. Replacing all or some portion of natural aggregates with slag would lead to considerable environmental benefits. The results indicate that the unit weight of Blast Furnace Slag aggregate concrete is lower than that of the conventional concrete with stone chips. The experimental result show that replacing some percentage of natural aggregates by slag aggregates causes negligible degradation in strength. The compressive strength of Blast Furnace Slag aggregate concrete is found to be higher than that of conventional concrete at the age of 90 days. It has also reduced water absorption and porosity beyond 28 days in comparison to that of conventional concrete

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  • A review on lead slag generation, characteristics, and ...

    The use of lead slag in road construction and concrete will cause environmental risk of leaching toxic elements. The utilization rate of lead slag in cement clinker is extremely low. Geopolymers and glass-ceramics have good stabilization effect on toxic elements. However, the extensive use of alkaline activators limits the large-scale ...

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  • Application of granulated lead-zinc slag in concrete as

    Granulated slag is substituted for raw sand, partly or totally. Ratios of 25%, 50%, 75% and 100% by weight of sand are used. The effects of granulated lead-zinc slag (GLZS) as sand replacement material on the compressive strength and gamma radiation attenuation properties of concrete are

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  • lead slag used in concrete industry - bridgecursus

    lead slag used in concrete industry - devalklier.be. slag processing for concrete . Lead Slag Used In Concrete Industry, process crusher, mining Lead Slag Used In Concrete

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  • Use of granulated lead-zinc slag as replacement of fine ...

    aggregate in structural concrete: compressive strength and radiation shielding study M. Alwaeli1 Abstract: In this study, the effects of replacing fine aggregate by granulated lead/zinc slag waste (GLZSW) on the thickness of concrete shields against X-ray radiation and on the compressive strength of concrete have been investigated.

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  • SUITABILITY OF FUMED LEAD BLAST-FURNACE SLAG

    1998-5-31  SUITABILITY OF FUMED LEAD BLAST-FURNACE SLAG AS A MINERAL ADMIXTURE FOR CONCRETE. This paper reports the findings from a laboratory evaluation of a metallurgical slag as a pozzolanic admixture for concrete. Lead blast-furnace slag is fumed in a batch process to remove base metal values after which the molten barren slag is water-quenched to ...

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  • [PDF] Leaching properties of secondary lead slag ...

    Sodium lead slag, generated during secondary lead production, is characterized as hazardous waste. The aim of the study was to investigate leaching mechanism and behaviour of lead and arsenic from sodium lead slag previously stabilized/solidified in concrete using additives: MgO, CaO, Ba(OH)2 and gypsum. The influence of selected additives on pollutant release was also investigated.

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  • Effect of 30% Ground Granulated Blast Furnace, Lead

    2012-9-1  This paper investigates the effects of using Ground Granulated Blast Furnace Slag (GGBFS), Lead Slag (LS) and Zinc Slag (ZS) as replacement for sand on the strength of concrete. Compressive strength, flexural strength, water absorption and density were tested at 14, 28 and 56 days. In this study, a total of 40 concrete samples, including Pozzolanic Portland Cement (PPC), GGBFS, LS and ZS ...

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  • Probing Study on Separating Pb, Zn, and Fe from Lead

    Lead slag and roasted slags were subjected to scanning electron microscopy and X-ray dif-fraction to identify the reduction mechanism of Pb, Zn, and Fe during direct reduction. ... concrete. Albitar et al. indicated that incorporating 75% of granulated lead smelter slag to replace fly ash as a filler can

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  • Use of Blast Furnace Slag Aggregate in Concrete

    2016-9-9  types of concrete mixes, i.e., one comprising blast furnace slag and the other comprising granite stone as coarse aggregates. The compressive strength of BFS aggregate concrete is higher than that of the stone aggregate concrete at the age of 90 days. 1.3.Slag- Manufacturing and Types In the production of iron, iron ore, iron scrap, and fluxes

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  • Leaching of toxic elements from secondary alkaline

    2019-7-12  Secondary alkaline lead slag (SALS), generated during lead–acid batteries recycling, is a hazardous waste due to its high reactivity, solubility, and migration of toxic elements. After pulverization caused by storage under atmospheric condition for 30 days, the SALS was sieved and coarse fraction (+ 1 mm) was returned to the recycling process.

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  • Use of granulated slag from lead and zinc processing

    1996-9-1  The possibility of using granulated slags resulting from the smelting of lead and zinc in partial, or total replacement of sand in mortars and concretes, has been examined. The major components of these vitreous slags are Ca, Si, Fe and Al compounds with lead concentration of a few percent. They ...

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  • Application of granulated lead–zinc slag in concrete

    Granulated slag is substituted for raw sand, partly or totally. Ratios of 25%, 50%, 75% and 100% by weight of sand are used. The effects of granulated lead–zinc slag (GLZS) as sand replacement material on the compressive strength and gamma radiation attenuation properties of concrete are

  • Get Price
  • lead slag used in concrete industry - bridgecursus

    lead slag used in concrete industry - devalklier.be. slag processing for concrete . Lead Slag Used In Concrete Industry, process crusher, mining Lead Slag Used In Concrete

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  • SUITABILITY OF FUMED LEAD BLAST-FURNACE SLAG

    1998-5-31  SUITABILITY OF FUMED LEAD BLAST-FURNACE SLAG AS A MINERAL ADMIXTURE FOR CONCRETE. This paper reports the findings from a laboratory evaluation of a metallurgical slag as a pozzolanic admixture for concrete. Lead blast-furnace slag is fumed in a batch process to remove base metal values after which the molten barren slag is water-quenched to ...

  • Get Price
  • Preparation of High Strength Concrete Using Fujian Lead ...

    2015-1-15  Abstract: Influence factors of high strength concrete made from lead-zinc tailings and slag powder were discussed by orthogonal tests.Hydration products and their microstructure were analyzed by XRD and SEM.The results showed that:①high strength concrete with the compressive strength of 93.75 MPa at 28 d were prepared when the slag was milled for 60 min(the specific surface 625.6 m 2 /kg ...

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  • Experimental Investigation on Strength Characteristics

    This paper has made an effort to partially replace cement by lead slag for M25 grade concrete. Initially chemical constituents of Lead slag and physical properties of cement, GGBS, River sand, Quarry dust and coarse aggregates were analyzed. Concrete was casted with 0.45 w/c ratio for M25 grade concrete. By varying the percentages of lead slag, cement and GGBS concrete was casted.

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  • Effect of granulated lead smelter slag on strength of

    Abstract Geopolymer concretes are manufactured from high-volume industrial waste materials in order to produce concrete that is low energy consuming, has a low carbon footprint, is sustainable and Portland cement-free. This paper presents an experimental study on the manufacture and behaviour of geopolymer concrete produced with a combination of granulated lead smelter slag (GLSS) and fly ash.

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  • SID.ir SHIELDING OF GAMMA RADIATION BY HEAVY

    Heavy concrete is an excellent shielding material most widely used for radiation shielding of gamma rays. It is possible to use lead slag as a partial replacement of aggregates to increase the density of concrete

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  • Use of Blast Furnace Slag Aggregate in Concrete

    2016-9-9  types of concrete mixes, i.e., one comprising blast furnace slag and the other comprising granite stone as coarse aggregates. The compressive strength of BFS aggregate concrete is higher than that of the stone aggregate concrete at the age of 90 days. 1.3.Slag- Manufacturing and Types In the production of iron, iron ore, iron scrap, and fluxes

  • Get Price
  • [PDF] POSSIBILITY OF SECONDARY LEAD SLAG

    Characterization of slag by X-ray Diffraction (XRD), Atomic Absorption Spectrometry (AAS) and Optical Microscopy (OM) revealed that slag contains a certain percentage of sodium and lead, in the form of oxides and sulphides, as well as unreacted coke and iron compounds.

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