DOI: 10.1016/J.CEMCONCOMP.2010.02.009 Corpus ID: 135698696; Reuse of water purification sludge as raw material in cement production @article{Chen2010ReuseOW, title={Reuse of water purification sludge as raw material in cement production}, author={Huxing Chen and Xianwei Ma and HengJie Dai}, …
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The graph shows compressive strength after 7 and 28 days and percentage of sludge ash. A cube containing sludge ash 10% shows more than 30 N/mm 2 compressive strength for 28 days curing. A cube containing 15% sludge ash shows less than 20 N/mm 2 compressive strength for 7 days curing.. Concrete with 5% …
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Rodrigues R. et al. investigated the mechanical properties of concrete with different marble sludge-to-cement substitution ratios. ... The price of the raw materials was given by the different dealers of constructional materials: the marble powder was about USD 0.06 per kilogram, and the clay was about USD 0.09 per kilogram. …
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Marble sludge waste was used as a major cement raw material in sintering sulfoaluminate cement clinker successfully in the laboratory. The influences of raw mix composition as well as different burning temperatures were investigated.
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The raw materials used for this project is construction debris, quarry dust and cement. The quarry dust is used to optimize the common mix, to attain the target …
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In the dry cement process, the sludge must be dried to reduce the moisture content below 1% before firing. ... Sastresa E (2013) Uses of alternative fuels and raw materials in the cement industry as sustainable waste management options, vol 23. CIRCE – Centre of Research for Energy Resources and Consumption, University of Zaragoza, …
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The main chemical compounds of sludge are Al 2 O 3, Fe 2 O 3 and SiO 2, which are also the main chemical compounds of some raw materials in cement production. Thereby, at least in theory, it can be used as an alternative for raw materials in cement production. Moreover, there are several advantages of using a cement kiln for sludge …
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The main aim of this study is to establish the possibility of using marble sludge as a cement replacement in manufacture of concrete. In this study various practical formulations of cement composites and concrete mixtures were presented with the characterization of marble sludge. ... K. Dhineshbabu et al. (2018) studied the use …
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Section snippets Clinker preparation. Waste sludge and steel slag can be recycled as a partial replacement for the raw materials of cement. A hydraulic type of cement (referred to as eco-cement) was produced using different types of sludge ash, including those from sewage water treatment, water works, and aluminum-containing …
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In an attempt to effectively utilize a multitude of surplus sludge from sewage treatment plants, ordinary Portland cement was used to solidify the dry surplus sludge as a building material. The dry surplus sludge and cement were mixed at different proportions with a certain dosage of water and then cured for 3–60 days at room temperature. The …
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The present study describes the use of a sewage sludge as raw material in the production of red ceramic bricks by extrusion, focusing on the technological changes brought about by the presence of the sludge during the plastic forming process, in terms of the plasticity of the mixture and its subsequent extrudability. ... Development of ...
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The use of WMP instead of raw materials (e.g., sand, coarse aggregate) obtained from the natural resources reduces the energy consumption and the use of these natural resources. ... Preparation of calcium sulfoaluminate-belite cement from marble sludge waste. Constr. Build. Mater., 113 (2016), pp. 764-772. View PDF View article …
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replacement of cement with marble dust powder" and concluded that marble dust powder has a potential to provide an alternative to cement and helps in maintaining the surroundings every bit well as economical balance. The compressive strength properties of concrete containing marble dust powder at 0%, 5%, 10%, 15%, 20% and 25% of …
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Our tests show that acceptable eluate results call for a good control over the physical The use of hldustrial sludges as raw materials hz the cement hldustry 297 TABLE 2 A typical analysis of an industrial sludge mix (67% H20) and of the eluate, after solidification with cement-based binders Original sludge, Eluate of the inerted …
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Drinking water sludge contains clay, silt and sand, which can potentially be used as alternative raw material to claybased products (Oliveira, Sampaio & Holanda 2006).
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However, a high cost is the main obstacle to the application of CŜAB cement, since it makes use of expensive bauxite ores as raw material for aluminium source. In order to reduce cost, industrial wastes, such as marble sludge waste, AS, PG, electrolytic manganese residue and so on, are used for synthesis of this kind of cement, …
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AbstractThis study aims to examine the use of concrete sludge from water treatment installations of ready-mixed concrete plants as an alternative raw material for portland clinker kilns, and to enumerate possible limitations. By its extensive and ...
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Concrete is the most common building material around the world [2], and it consists primarily of Ordinary Portland Cement, a widespread type of cement that has been used in the construction sector ...
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Materials. The binders used in this study were type 42.5 OPC produced by Huaxin Cement Co., Ltd. and type 42.5 SAC produced by Dengdian Cement Group Co., Ltd. SS samples with an initial water ...
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Cement production contributes significantly to anthropogenic greenhouse gas emissions (GHG), a major contributor to global carbon emissions. The environmental impacts of cement production have grown in recent years and it is urgent to reduce its carbon footprint. Systems dynamics (SD) is a simulation method used to understand the …
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RAW MATERIAL: CEMENT: Ordinary Portland Cement (43 Grade) with 28% normal consistency with specific surface 3300 cm2/g conforming to IS 8112-1989 is used. ... Physico-chemical treatment of marble processing wastewater and recycling of its sludge. Materials Science and Engineering, Turkey. 419(1-2):306-309. [10]. IS 1199:1959Indian …
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This study has been carried out to use the municipal solid waste sewage sludge ash generated at sewage disposal field as the raw materials of Ordinary Portland Cement (OPC).
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The materials employed were dried sewage sludge (from a wastewater treatment plant sited in Tarragona, Spain) and milled cement raw material (CRM), both supplied by a cement industry close to our University. An exhaustive analysis of the two materials was carried out, and the results are shown in Table 1.
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In order to use water treatment sludge as a raw material for the production of construction and ceramic materials, its mixing with milled peat is proposed. Here, the humidity of peat is not limited. At the same time, milled peat should first be collected, mixed with water treatment sediments, and dried.
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In this work, the optimal conditions of the synthesis of eco-friendly cement by using industrial wastes as well as the peculiarities of its early stage hydration were investigated. The eco ...
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Introduction. Portland cement underpins modern global development. As such, it is the most abundantly produced material in the world (Deolalkar Citation 2016).The world has an abundance of the primary raw materials for cement manufacturing and, compared to other construction materials, cement's cost is low and it has good …
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The use of marble powder in concrete in the range of 10–15% increases the compressive strength and split tensile strength of concrete in the range of 15–20%. The …
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Self Compacting Concrete (SCC) has had a remarkable impact on the concrete construction industry, especially the precast concrete industry. Crushed Rock Dust (CRD) and Marble Sludge Powder (MSP) are discarded in the nearby land and the natural fertility of the soil is spoiled. MSP and CRD can be used as filler and helps to …
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Nowadays the use of waste as secondary fuel in clinker kilns is an extensive practice, but the interaction between cement raw material (CRM) and the combustion gases of the fuels has not been ...
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Gomes et al. (2020) added 10% of the raw WTS to the cement paste and found that the 28-day strength of the paste was reduced by 33.9%. Therefore, the reactivity of the modified WTS is well stimulated, and it has a higher benefit in cement-based materials than the raw WTS. Download: Download high-res image (202KB) Download: …
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The research results on heat-resistant concrete made of mixed binding material, including Portland cement, aluminum and chrome waste, nano-technogenic raw materials in the form of sludge aluminum ...
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The main chemical compounds of sludge are Al 2 O 3, Fe 2 O 3 and SiO 2, which are also the main chemical compounds of some raw materials in cement production. Thereby, at least in theory, it can be used as an alternative for raw materials in cement production. Moreover, there are several advantages of using a cement kiln for sludge …
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The replacement of limestone with marble powder sludge in raw cement avoids three stages in the production process: extraction, transportation from the quarry, …
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Accordingly, using the technology of sewage sludge as secondary raw material in cement production is a good choice for reducing the pressure on the environment from dramatically increased sludge disposal. In addition, increasing electricity recovery rate, choosing natural gas fired electricity generation technology, and …
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Therefore, it has shown that mixtures containing a percentage of WMP lower than 15% have improved the mechanical properties compared to conventional mixtures, which indicates that WMP can replace sand in concrete. Furthermore, the use of WMP is a viable source of raw materials for the construction industry as well as an eco-friendly …
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The eco-friendly nature of green concrete is brought about using recycled, cheap and eco-friendly materials in the concrete like fly ash, Marble sludge powder etc. (Supplementary Cementitious Materials) or SCM. When identifying a green concrete; the quantity of the Portland cement used, the mineral admixture and method of manufacturing
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The effects of using of marble sludge on the mechanical properties of hardened concrete mixtures were studied in terms of compressive strength, flexural …
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usable as a cement raw material, which dries up the sludge with heat generated by the following hydration reaction. CaO + H2O → Ca(OH)2 + 15.33 kcal/mol The product, called dried powder sludge, is sterilized, very low in moisture content and odorless. It can then be utilized as a raw material of Portland cement and fuel at the same time.
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It told that marble bricks (83% slurry + 7% cement + 10% building sand) were not 93 kg/km produced, cm 2 —compressive strength, which is also 2.5 times higher than that of traditional red bricks, which, thanks to flammable and inorganic raw materials, marble bricks are fireproof.
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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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