Search Results - "MAEDA, Takayuki"
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Improvement of Sinter Productivity and Qualities by Placing Low Slag Green Pellet at Lower Layer of Sinter Packed Bed
Published in ISIJ International (15-11-2022)“…In order to blend PF (pellet feed) or concentrates for 20 mass% in sinter mixture and to displace coke fines or anthracite to biomass for 25 mass% in BAR…”
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2
A kinetic comparison between microwave heating and conventional heating of FeS-CaO mixture during hydrogen-reduction
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-10-2019)“…•Microwave irradiation enhances the rate of chemical reactions.•Gas diffusion is rate controlling step during microwave irradiation.•Fe shell changes the rate…”
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3
Bacillus coagulans SANK 70258 suppresses Enterobacteriaceae in the microbiota of ulcerative colitis in vitro and enhances butyrogenesis in healthy microbiota
Published in Applied microbiology and biotechnology (01-05-2020)“…The aim of this study was to clarify the effect of the spore-forming and lactic acid-producing probiotic strain, Bacillus coagulans SANK 70258, on human…”
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4
Slag Formation Behaviour at Interface between Pre-reduced Lump Iron Ore and CaO under Load Conditions
Published in ISIJ International (15-12-2021)“…Oxygen blast furnace technology is expected to expand the selectivity of iron burden materials owing to its superior productivity compared to present blast…”
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5
Coke Combustion Rate with the Presence of Hematite in Quasi-particles
Published in ISIJ International (15-12-2021)“…The coke combustion rate in the iron ore sintering process is one of the most important factors affecting the quality and productivity of iron ore sintering…”
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6
Effect of FeO concentration in sinter iron ore on reduction behavior in a hydrogen-enriched blast furnace
Published in International journal of minerals, metallurgy and materials (01-10-2022)“…Japan started the national project “COURSE 50” for CO 2 reduction in the 2000s. This project aimed to establish novel technologies to reduce CO 2 emissions…”
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7
Effect of Carbonaceous Material Surface Texture on Iron Carburization Reaction under Loading Condition
Published in ISIJ International (15-04-2019)“…Scrap melting process is one of biggest energy required process in the ironmaking process with EAF. Carbon based scrap melting process has a potential problem…”
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8
Gas Permeability Evaluation of Granulated Slag Particles Packed Bed during Softening and Melting Stage with Fanning’s Equation
Published in ISIJ International (15-07-2020)“…Negative effect from low coke rate operation at cohesive zone is obvious because it makes thinning of coke slit thickness. Correct knowledge about gas…”
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9
Effect of Magnetite on Mineral Phase Formation in Sintering Process
Published in ISIJ International (15-02-2020)“…Mineral phase formation behavior in the sintering process is one of the most important factors for quality and productivity of iron ore sinter. As resource of…”
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Journal Article -
10
Numerical Approach to Comprehend for Effect of Melts Physical Properties on Iron-slag Separation Behaviour in Self-reducing Pellet
Published in ISIJ International (15-12-2020)“…A smooth iron-slag separation during ironmaking process is necessary for the steel refining process, even in case of “Zero Carbon Ironmaking”. For a…”
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Journal Article -
11
Carbothermic Reduction Behavior of FeS in the Presence of CaO during Microwave Irradiation
Published in ISIJ International (15-04-2019)“…Carbothermic reduction of FeS in the presence of CaO was experimentally studied by employing a multi-mode microwave generator at 1050 W and 2.45 GHz as an…”
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Journal Article -
12
Effect of Temperature and CO2 Concentration on Gasification Behavior of Carbon Fiber Containing Fine Iron Particles
Published in ISIJ International (15-12-2019)“…In direct reduced iron (DRI) process, CO–H2 gas mixture is used as a reducing agent, which may make the operation unstable owing to a carbon deposition…”
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13
Control of Chain Orientation in Blends of Polypropylene and Polybutene‐1
Published in Macromolecular materials and engineering (01-04-2017)“…An extruded sheet having unique molecular orientation is developed using a miscible blend of isotactic polypropylene (PP) and isotactic polybutene‐1 (PB)…”
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14
Effect of Pre-reduction Degree on Softening Behavior of Simulant Sinter Iron Ore
Published in ISIJ International (15-07-2020)“…Reduction test under load is normally applied to evaluate softening and melting behaviour of ferrous burdens at simulated condition in cohesive zone in blast…”
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15
Effect of H2 Concentration on Carbon Deposition Reaction by CO–H2 Gas Mixture at 773 K to 973 K
Published in ISIJ International (15-04-2019)“…CO–H2 gas mixture is often used for gas-based DRI process where carbon deposition reaction and Fe3C metal dusting play negative roles for a stable reduction…”
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16
Reaction behavior during heating biomass materials and iron oxide composites
Published in Fuel (Guildford) (01-02-2013)“…Effective utilization of biomass materials as a reducing agent in the ironmaking process is one of the key technologies for environmental protection. In this…”
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Journal Article Conference Proceeding -
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Softening Behaviors of Acid and Olivine Fluxed Iron Ore Pellets in the Cohesive Zone of a Blast Furnace
Published in ISIJ International (01-01-2015)“…A ferrous burden loses its permeability in the cohesive zone of a Blast Furnace (BF) which has an effect on the flow of reducing gases. Iron ore pellets with…”
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18
Effect of Carbon Dissolution Reaction on Wetting Behaviour of Molten Fe–C Alloy on Graphite Substrate in the Initial Contact Period
Published in ISIJ International (01-01-2017)“…A wetting behaviour of Fe–C sample on carbonaceous materials has been extensively investigated to understand the liquid flow behaviour in lower part of blast…”
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19
Role of Al2O3 in Interfacial Morphology and Reactive Wetting Behaviour between Carbon-unsaturated Liquid Iron and Simulant Coke Substrate
Published in ISIJ International (01-01-2016)“…Wetting between liquid iron and coke influences liquid flow in the lower part of a blast furnace, which strongly affects the operation of the furnace. With…”
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Effect of Carbon Dissolution Reaction on Wetting Behavior between Liquid Iron and Carbonaceous Material
Published in ISIJ International (01-01-2015)“…A low carbon operation is an unfavorable situation for liquid permeability around cohesive zone, because liquid volume will increase against solid coke in…”
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