secondary lead slag and cement

A review on lead slag generation, characteristics, and

2019年7月1日  At the secondary lead recycling process, for each ton of metallic lead produced, 100–350 kg of slag are generated (Kreusch et al., 2007). According to the data of the World Bureau of Metal Statistics, the global lead production is 11.1 million tons in

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Utilization of secondary lead slag as construction material

2005年6月1日  Secondary lead slag is a waste product of the transformation of lead sulfate (PbSO 4) and lead oxides (PbO and PbO 2) from expired batteries into metallic

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Possibility of secondary lead slag stabilization in concrete with ...

2010年1月1日  Processing options for stabilization/solidification of secondary lead metallurgical slag into cement matrix with barium

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Preliminary Study of the Use of a Secondary Lead

2018年1月1日  In this work, the preliminary study about the use of secondary lead smelting slag (SLSS) as an addition to Portland cement is presented. SLSS is a waste from a

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12.11 Secondary Lead Processing - US EPA

12.11 Secondary Lead Processing 12.11.1 General Secondary lead smelters produce lead and lead alloys from lead-bearing scrap material. More ... In blast furnaces

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Utilization of secondary lead slag as construction material

Secondary lead slag, a waste product from battery smelting using CaCO3 as flux, has been investigated for its use as an admixture and/or aggregate in the production of concrete

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Secondary Cementitious Materials in Cement and Concrete

2020年7月7日  For example, it is wrong to assume that the durability of reinforced concrete containing flyash or slag would be less than plain Portland cement concrete when

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Experimental Study on Lead-Smelting Slag as Paste Filling

2022年1月20日  The strength of block with 16% lead-smelting slag increased dramatically, which was higher than the strength of block using PC32.5 as cementing material.

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Sustainability Free Full-Text Historical Lead Smelting Slag ...

2022年10月21日  The harmless treatment of historical lead smelting slag (LSS) is of significance to ecological and environmental protection, but it is still challenging in terms

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Utilization of secondary lead slag as construction material

2005年6月1日  Secondary lead slag is a waste product of the transformation of lead sulfate (PbSO 4) and lead oxides (PbO and PbO 2) from expired batteries into metallic lead (Pb) using a rotary furnace. In this process, calcium carbonate (CaCO 3) is used as flux, while coal char and iron scraps are added as reducing agents.

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A review on lead slag generation, characteristics, and utilization

2019年7月1日  Primary lead slag and secondary lead slag have similar physical properties. They have a black color and a glassy appearance. The density of lead slag varies between 3.6 and 3.9 g/cm 3 owing to the high content in iron oxide. The particle size of lead slag is between 0.1 and 4 mm ( Barna et al., 2004).

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LEACHING PROPERTIES OF SECONDARY LEAD SLAG

M. ŠTULOVIĆ et al. 150 smelting, has been recognized as the best available technology (BAT) for lead recy-cling [3]. Slag is an inevitable waste from secondary lead smelting process.

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Leaching properties of secondary lead slag stabilized/solidified

2013年1月1日  Leaching properties of secondary lead slag stabilized/solidified with cement and selected additives January 2013 Authors: Marija Stulovic Univeristy of Belgrade, Dragana Radovanovic Faculty...

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A Review of Slag Chemistry in Lead Recycling SpringerLink

A critical review of the technical literature on slag chemistry in lead recycling is presented. Laboratory methods used to improve our understanding of these systems is described. ... “Characterization and batch testing of a secondary lead slag,” J. South Afr. Inst. Min. Metall., 2000. Google Scholar S. Jahanshahi, F. R. A. Jorgensen, F. J ...

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Effect of 30% Ground Granulated Blast Furnace, Lead and Zinc

2012年9月1日  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.

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12.11 Secondary Lead Processing - US EPA

Secondary lead smelting includes 3 major operations: scrap pretreatment, smelting, and refining. These are shown schematically in Figure 12.11-1A, Figure 12.11-1B, and Figure 12.11-1C, respectively. 12.11.2.1 Scrap Pretreatment - Scrap pretreatment is the partial removal of metal and nonmetal contaminants from lead- bearing scrap and residue.

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Sustainable remediation and redevelopment of brownfield sites

2023年3月28日  Sustainable solidification lowers the environmental impact by replacing Portland cement with greener and alternative cementitious binders, such as cement-free clay-based binders and alkali ...

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Cement substitution with secondary materials can reduce annual

2022年9月30日  In this paper we report the maximum potential for cement substitution with secondary materials to reduce CO2 emissions globally (1.3 Gt CO2-eq. in 2018) and on a country-by-country basis.

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Lead Slag - an overview ScienceDirect Topics

Secondary lead slag is classified as hazardous waste in the European Waste Catalogue (EWC, 2000). Environmental-related characteristics and utilizations will be further discussed in Chapter 7 . Table 3.5 shows the chemical composition of lead slag in a wide range from different sources.

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Advances in Understanding the Alkali-Activated Metallurgical Slag - Hindawi

2021年4月14日  This paper summarized and reviewed the mechanism and macro-performance of alkali-activated metallurgical slag, including steel slag, copper slag, ferronickel slag, and lead-zinc slag. Better activated method and alkali-activator are still needed to be developed to improve the performance of the metallurgical slag with low

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Mechanical, Durability, and Gamma Ray Shielding Characteristics

2022年9月21日  Heavyweight concrete is used to prevent harmful radiation for the construction of hospital, military, and nuclear power plants and also to increase the durability for the construction of marine concrete structures. In this research, using a combination of serpentine aggregates and lead slag, the mechanical, durability, impact resistance, and

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Federal Register :: Supplemental Effluent Limitations Guidelines

15 小时之前  These systems are located directly underneath the boiler and are designed to reuse slag tanks, ash gates, clinker grinders, and transfer enclosures from the existing wet sluicing systems. The system collects BA from the discharge of each clinker grinder. A series of submerged drag chain conveyors transport and dewater the BA.

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LEACHING PROPERTIES OF SECONDARY LEAD SLAG

M. ŠTULOVIĆ et al. 150 smelting, has been recognized as the best available technology (BAT) for lead recy-cling [3]. Slag is an inevitable waste from secondary lead smelting process.

More

Effect of 30% Ground Granulated Blast Furnace, Lead and Zinc

2012年9月1日  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.

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A Review of Slag Chemistry in Lead Recycling SpringerLink

C. J. Beyke, “Characterization study of secondary lead blast furnace slags and mattes,” in Process Mineralogy XIII: Applications to Beneficiation Problems, Pyrometallurgical Products, Advanced Mineralogical Techniques, Precious Metals, Environmental Concerns, Ceramic Materials, Hydrometallurgy, and Minerals Exploration, R. D. Hagni, Ed.

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Cement substitution with secondary materials can reduce annual

2022年9月30日  In this paper we report the maximum potential for cement substitution with secondary materials to reduce CO2 emissions globally (1.3 Gt CO2-eq. in 2018) and on a country-by-country basis.

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Advances in Understanding the Alkali-Activated

2021年4月14日  The main solid waste generated during lead and zinc production is lead-zinc slag. According to statistics, the extraction cost per 100 tons of lead and zinc is 71 tons of lead slag and 96 tons of zinc

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Mechanical, Durability, and Gamma Ray Shielding Characteristics

2022年9月21日  Heavyweight concrete is used to prevent harmful radiation for the construction of hospital, military, and nuclear power plants and also to increase the durability for the construction of marine concrete structures. In this research, using a combination of serpentine aggregates and lead slag, the mechanical, durability, impact resistance, and

More

Sustainability Free Full-Text Historical Lead Smelting Slag ...

2022年10月21日  The harmless treatment of historical lead smelting slag (LSS) is of significance to ecological and environmental protection, but it is still challenging in terms of the economic feasibility of alone processing due to the low content of valuable metals. Here, we performed an industrialized test with a co-treatment of LSS and zinc oxide ore in a

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Deterioration of alkali-activated and Portland cement-based

1 天前  Ordinary Portland cement (OPC) used in this study was P Ⅱ 42.5 cement. Metakaolin (MK) was purchased from Oushang Refractory Co., Ltd with more than 90 wt% of (SiO 2 +Al 2 O 3).The low-calcium fly ash (FA) and granulated blast furnace slag powder (SG) were sourced from Henan Hengyuan New Materials Co., Ltd.

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Lead Slag - an overview ScienceDirect Topics

Secondary lead slag is classified as hazardous waste in the European Waste Catalogue (EWC, 2000). Environmental-related characteristics and utilizations will be further discussed in Chapter 7 . Table 3.5 shows the chemical composition of lead slag in a wide range from different sources.

More

Sustainable remediation and redevelopment of brownfield sites

2023年3月28日  Sustainable solidification lowers the environmental impact by replacing Portland cement with greener and alternative cementitious binders, such as cement-free clay-based binders and alkali ...

More

Mineralogical control on inorganic contaminant mobility in

2018年7月5日  Cement and Concrete Research, 26, 1381 ... The leaching behaviour of lead metallurgical slag in high-molecular-weight (HMW) organic solutions ... Ladislav and Bezdička, Petr 2005. Mineralogy of Air-Pollution-Control Residues from a Secondary Lead Smelter: Environmental Implications. Environmental Science Technology, Vol. 39,

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Compressive strength and piezoresistivity of smart cement paste ...

1 天前  As seen in Fig. 14 a, the change of electrical resistivity of cement without steel slag is higher than the modified cement at early curing time. The change of resistivity while applying the load for the cement-only specimen was 54.8% higher than the cement paste modified with 5% of SS, 39% higher than the specimen with 10% of SS, and 64.7% ...

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Portland-Slag Cementss Market Insight 2023: Driving Factors by ...

2023年3月27日  The industry experts have also highlighted the key factors that will help create opportunities for players and stabilize the overall industry in the years to come. The Portland-Slag Cements market ...

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Assessment of Leaching Characteristics of Solidified Products

2019年6月5日  Reuse of waste is one of the main principles of sustainable development and circular economy. Secondary alkaline lead slag is a hazardous waste generated in the recycling process of lead-acid batteries that may be suitable in construction materials. The environmental impact of the use of lead slag a

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