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Effects of slag addition and sintering temperature on the
2023.3.1 Addition of slag to dolomite (0–30% by weight) to improve the properties of the prepared ceramics. The prepared mixtures were sintered at different temperatures (1100–1300 °C), but in this paper we have quoted the results of the samples that show
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Effect of calcined dolomite addition on sodium carbonate
2019.8.13 Abstract. This paper reports the performances of sodium carbonate-activated slag cements incorporating calcined natural dolomite (CD) under sealed and
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Calcination Condition of Dolomite‐Based Materials Influencing
2022.1.12 Increasing the temperature increases the dissolution rate. However, MgO addition to the slag retards the dissolution rate significantly. The rate limiting steps are
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Effects of calcined dolomite addition on reaction kinetics
2019.6.30 One-part AAC cement is prepared by mixing slag, sodium carbonate and calcined dolomite. • Calcined dolomite addition promotes hydrotalcite formation. •
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Static dissolution evaluation of dolomite-based materials in EAF
2021.6.18 Dissolution mechanisms of dolomite CaMg(CO3)2, and doloma CaO.MgO, in a model basic oxygen furnace (BOF) slag based on the
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Dissolution mechanism of dolomite in converter slag at 1873 K
While addition of small amounts of dolomite directly into the slag could be considered in steelmaking converter, too much would result in slow dissolution and waste of the raw
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Effects of calcined dolomite addition on reaction kinetics of one
2019.6.30 Introduction Section snippets References (58) Cited by (32) Construction and Building Materials Volume 211, 30 June 2019, Pages 329-336 Effects of calcined
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Calcination Condition of Dolomite‐Based Materials Influencing
2022.1.12 The addition of basic additives in steelmaking processes is essential because these lead to slag adaptation and enable refining reactions. In calcination
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Effects of calcined dolomite addition on reaction kinetics of one
2019.6.30 This study investigates the potential of light-burnt dolomite (LBD) as a supplementary cementitious material with ground granulated blast furnace slag (GGBFS)
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Influence of dolomite on the properties and ... - ScienceDirect
2019.10.1 The current study reports influence of adding dolomite powder (DP) as partial replacement of ground granulated blast furnace slag (slag) on performance of
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Development of Ground-Granulated Blast-Furnace Slag‑Dolomite ...
2019.12.5 Addition of dolomite into slag GPC also improves the durability properties, such as high resistance towards water absorption, sorp- tivity, marine attack, and chemical attack. Discover the world's ...
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Engineering and durability properties of slag–dolomite
2020.2.3 The addition of dolomite to a slag-based geopolymer matrix can improve its engineering properties and reduce disposal problems. This paper discusses the effect of alkali solution concentration ...
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Effects of calcined dolomite addition on reaction kinetics of one
2019.6.30 Section snippets Materials. The ground granulated blast-furnace slag and dolomite [CaMg(CO 3) 2] were obtained from Guohua Power station (Xuzhou, China) and Yuyuan Mining Co. Ltd. (Shijiazhuang, China), respectively.The median particle sizes (D 50) of slag and dolomite determined by laser diffraction particle size analyzer (Malvern
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Basic Oxygen Steelmaking Slag: Formation, Reaction, and Energy
2021.8.10 Basic oxygen steelmaking (BOS) slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g. lime, dolomite) dissolution, plays a critical role in the production of high-quality crude steel, although its behavior inside the BOS vessel (formation and reaction with metal droplets and gas) is still not clear and its recycling has
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Effect of calcined dolomite addition on sodium carbonate-activated slag ...
2019.8.13 This paper reports the performances of sodium carbonate-activated slag cements incorporating calcined natural dolomite (CD) under sealed and ambient curing conditions. The reaction process, compressive strength development and microstructure characteristics are studied, as well as the carbonation behaviour of the samples under
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Activation of ground granulated blast furnace slag by using
2014.10.15 Both reactive MgO and CaO are alternative activators for ground granulated blast furnace slag (GGBS). In this study natural dolomite, as a source of MgO and CaO, was calcined at 800 °C (D800) and 1000 °C (D1000) in air.The activation of GGBS with the calcined dolomites was investigated using compressive tests, pH measurement
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Strength and durability assessment of concrete containing dolomite ...
2021.10.28 The present study focuses on utilizing stockpiled dolomite quarry waste for sustainable and cleaner production of concrete. Natural river sand is substituted with dolomite quarry waste at 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100% in concrete mixes. The test findings revealed the concrete mix made with 10% dolomite quarry waste
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Calcination Condition of Dolomite‐Based Materials Influencing
2022.1.12 Dissolution mechanisms of dolomite CaMg(CO3)2, and doloma CaO.MgO, in a model basic oxygen furnace (BOF) slag based on the CaO–MgO–SiO2–FeO–MnO system have been characterised with regard ...
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Activation of ground granulated blast furnace slag by using
2014.10.15 Both reactive MgO and CaO are alternative activators for ground granulated blast furnace slag (GGBS). In this study natural dolomite, as a source of MgO and CaO, was calcined at 800 °C (D800) and 1000 °C (D1000) in air.The activation of GGBS with the calcined dolomites was investigated using compressive tests, pH measurement
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Effect of limestone and dolomite flux on the quality of pellets
2021.2.1 Since the slag-forming conditions are enhanced due to the addition of limestone and dolomite in the LD fluxed pellet, MgO contributed from dolomite enters and stabilizes the spinel structure of Fe 2 O 3 by forming magnesio-ferrites [46, 47]. The occurrence of hematite grains and acicular quartz is also marked.
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Dolomite Aggregate - an overview ScienceDirect Topics
Nomenclature and Terminology. James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 1.5.1.3 Limestone. Limestone aggregates (sometimes called lime or dolomite aggregate) are a product of the crushing of sedimentary rock—limestone, which is composed mainly of calcite (calcium carbonate, CaCO 3).Limestone aggregate is one of
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Kinetics and Mechanisms of Dolime Dissolution in Steelmaking Slag ...
2019.3.29 In addition, the author indicated the significant influence of porosity on the dissolution of dolomite samples. Umakoshi et al. [ 16 ] investigated the dissolution behavior of sintered, burnt dolomite in a slag system Fe x O-CaO-SiO 2 containing high FeO concentrations from 20 to 70 mass pct at steelmaking temperatures of 1623 K to 1698 K
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(PDF) Effects of Light-Burnt Dolomite Incorporation on
2019.9.5 In addition to the addition of FA, SF, MK, and lime, relevant studies demonstrated that the incorporation of light-burnt dolomite (LBD) [95], glass wool (GW) [96], and sugarcane bagasse ash (SBA ...
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CO2 treatment of ground granulated blast furnace slag for
2022.3.1 The slag milled in CO 2 exhibited, in addition, peaks associated with the merwinite (2CaO.Al 2 O 3.SiO 2) and dolomite CaMg(CO 3) 2. The appearance of the dolomite peak in the slag milled in CO 2 points at the potential for the formation of crystalline carbonate minerals.
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(PDF) Influence of blast-furnace slag on behaviour of dolomite
PDF On Sep 1, 2015, Hüseyin Temiz and others published Influence of blast-furnace slag on behaviour of dolomite used as a raw material of MgO-type expansive agent Find, read and cite all the ...
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Evaluation of Dissolution Rate and Behavior of MgO Carriers
2021.8.13 Limestone, magnesite and dolomite are the primary fluxes used in steelmaking to create a basic slag and promote the refining of hot metal. MgO-based fluxes are added to retard the refractory and gunning consumption as MgO-saturated slag reduces the chemical attack on metallurgical vessels.[1,2,3,4] It is clear that achieving MgO
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Effects of slag addition and sintering temperature on the
2023.3.1 Addition of slag to dolomite (0–30% by weight) to improve the properties of the prepared ceramics. The prepared mixtures were sintered at different temperatures (1100–1300 °C), but in this paper we have quoted the results of the samples that show the best results (1200 °C).
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(PDF) Dolomite Powder in Concrete: A Review of ... - ResearchGate
2023.9.28 dolomite as mineral addition in concrete”, ICE Publishing, 26 March 2019, DOI: 10.1680/jadcr.18.00206. [29] S. Barbhuiy a, “Effects of fly ash and dolomite powder on
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Alkali-activated slag substituted by metakaolin and dolomite at
2020.1.1 Conclusions. In this paper, the strength development, phase assemblage, and microstructure of alkali-activated slag pastes with a metakaolin and dolomite replacement ratio of 40% are studied at two temperature conditions (i.e., 20 °C and 50 °C). Based on the experimental and simulation results, the following conclusions can be drawn.
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Effect of Finely Ground Limestone and Dolomite on Compression
When the basicity was between 0.14 to 0.54, the reduction swelling index of the dolomite pellets had a certain decrease because of the high magnesium content in the vanadium−titanium fine powder pellets. With the addition of dolomite, a small amount of slag with a high melting point could be produced to resist the swelling strength.
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