The dry production design is adopted, but the production line is equipped with environmental protection devices such as dust removal and silencer, which effectively reduce pollution such as dust and noise, fully comply with national environmental protection standards, easily pass environmental impact assessment standards, and achieve both economic and environmental benefits.
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The 200-ton granite crushing and sand making production line solution adopts the overall operating principle of "more crushing and less grinding", and has the characteristics of high efficiency and good finished products.
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On site, only the road surface requires leveling and compacting to establish working conditions, eliminating the necessity for cement foundation leveling and hardening. This significantly reduces the project's construction material costs.
The iron ore is evenly fed by TSW1139 feeder into HJ98 high-efficiency jaw crusher for coarse crushing. After that, the materials would be sent into CS160 cone crusher for secondary crushing.
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— Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems and the high cost of producing ultra high performance concrete UHPC provides
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— Characterization of the Itakpe iron ore tailings showed that it has pozzolanic properties and can be used as a retarder for hot weather concreting and could be used to predict relationships of IOT OPC concrete An evaluation of the Itakpe iron ore tailings IOT for concrete production has been carried out using the material to replace
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— In China iron ore tailings are the major mining solid wastes which storage has reached 5 billion tons and a steady increasing trend of the rate of over billion tons per year is observed However the iron ore tailings utilization rate is very low; in 2013 this rate in China was below 20% C Lu et al 2020; Lv et al 2018
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— Evaluation of industrial byproduct iron ore tailings and carbon fiber cement based materials under sulfate freeze thaw cycles Durability piezoresistivity and microscopic mechanism and a TH2811D LCR high precision digital electric bridge connected to a computer acquisition software was used to record the resistivity change of
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— Fig 2 illustrates the iron ore beneficiation process particularly magnetic separation resulting in the generation of inevitable tailings Due to the characteristics of iron ores and the conditions during beneficiation it is inevitable that approximately 3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7] In 2019 the
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— Tailings Powder as Cement Replacement Xiaoyan Huang 1 ; Ravi Ranade 2 ; and Victor C Li 3 Abstract This paper reports the results of an initial attempt of using iron ore tailings IOTs
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— When evaluating the mechanical properties the results show that soil cement mixtures with iron ore tailings can be an excellent alternative as a pavement material The addition of 10% and 20%
— The reduction of compressive strength and split tensile strength may be due to the very less concentration of SiO 2 and the low grade iron ore tailings used than the other studies referred Iron ore tailings used should be analyzed to have enough SiO 2 content for ensuring the attainment of strength to the GPC produced
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— This paper reports a study on the reconstruction of broken Si O Si bonds in iron ore tailings IOTs in concrete Limestone and IOTs were used to investigate the influence of different types of coarse aggregates on the compressive strengths of concrete samples The differences in interfacial transition zones ITZs between aggregate and
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the performance of the concrete with % replacement of iron ore tailings is basically equivalent to that of natural sand concrete Hence it can be utilized in engineering applications 1
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— The total mineral resources of the iron ore mine are estimated to be 5 448Mt graded at % of Fe Mining at Iron Bridge project The Iron Bridge project will employ low cost open pit truck and shovel mining method with automated haulage and drilling systems The deposit will be mined using conventional drill and blast open cut
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— In this regard waste marble powder used a filler material replacing a smaller constant portion of cement dumped iron ore tailings IOT were used as a partial replacement for fine aggregate in
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— This study focuses on Iron ore tailings IOTs a solid waste generated during iron ore processing which can be used as supplementary cementitious materials SCMs but have low reactivity
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— For example iron ore tailings was used by many researches to substitute fine aggregate in concrete [19][20] [21] [22] the findings of these investigations showed that concrete formulated with
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The main components of iron ore tailings are the same as natural sand and the high silica content in the iron ore tailings indicates that they can be used to prepare concrete is considered Microstructure of IOT According to the study by [32] the XRD pattern of IOT as shown in Fig 3 shows that there is a presence of kaolinite and calcite
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— When evaluating the mechanical properties the results show that soil cement mixtures with iron ore tailings can be an excellent alternative as a pavement material The addition of 10% and 20%
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— environmental impact of iron ore tailings Changlong Wang1 Jianlin Jing1 Yang Qi1 Yongxiang Zhou2 some can also replace ordinary Portland cement OPC Zhao et al 2014 Li et al 2010
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— The reduction of compressive strength and split tensile strength may be due to the very less concentration of SiO 2 and the low grade iron ore tailings used than the other studies referred Iron ore tailings used should be analyzed to have enough SiO 2 content for ensuring the attainment of strength to the GPC produced
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— than standard concrete and contains no cement IRON ORE TAILINGS Iron is the world s most commonly used metal steel for which iron ore is the raw material representing almost 95% of all metals used per year Iron ore is a metal of universal use and it is the backbone of modern civilization
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— Incorporating waste by products in concrete is one of the critical approaches for sustainable development Particularly iron ore tailings IOT as ordinary industrial solid waste in China is
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DOI / Corpus ID 138183328; Evaluation of iron ore tailings as replacement for fine aggregate in concrete article{Shettima2016EvaluationOI title={Evaluation of iron ore tailings as replacement for fine aggregate in concrete} author={Ali Umara Shettima and Mohd
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— High silicon iron tailings which have been mechanochemically activated was used for the preparation of concrete as a supplementary cementing material to substitute cement by 10% 20% 30% and
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In this investigation an attempt is made to utilize gold ore tailings as a partial substitute for river sand in producing concrete River sand is replaced with 5% 10% 15% 20% and 25% gold ore tailings and the resulting fine aggregates were used in concrete mix and it is compared with conventional concrete
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— waste Iron ore tailings instead of sand can be used as high strength concrete as it is giving more strength than normal OPC concrete Concrete with mining waste as fine aggregate and GGBS content up to 50 60% can be used to flooring purposes which results in high decrease in cost
— Using recycling iron ore tailings IOTs from industrial solid waste as concrete aggregates agrees with the sustainable development of the construction industry and carbon neutrality commitment
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— Using iron ore tailings IOTs as the main aggregate for concrete will not only save crushed stone mining but will also reduce the environmental impact of IOTs A discrete element model of concrete with realistic IOTs shape was developed using particle flow coding 3D technique The accuracy of the numerical model was verified with the
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