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Investigation on Applicability of Lime as Desulfurization Agent for ...

In the second experiment, using an injection method (named IN-AD), a lime injection test was conducted employing an apparatus that could introduce a 20 g desulfurization agent (CaO and pure carbon powder excluding Al) into 1 kg of molten iron using nitrogen gas as the transport احصل على السعر

Efficient Hot Metal Desulphurization with Fluid Milled

Desulphurization of hot metal with lime is the most economic process for removing sulphur before charging to the BOF. Formed sulphides from lime are very stable. Tailor-made cost-effective solutions for targeted sulphur level. احصل على السعر

Investigation on Applicability of Lime as Desulfurization Agent

Table 1. Initial chemical composition (wt%) of cast iron before desulfurization. CSi S P MnFe احصل على السعر

Investigation on Applicability of Lime as Desulfurization Agent for ...

2024/9/12  Based on the findings of this study, it is indicated that lime can be a reliable احصل على السعر

Optimization of Desulphurization Process using Lance

dition for desulfurization, and the desulfurization agent the lime system.2–5) The sulfur content احصل على السعر

Desulphurization of Pig Iron with Pulverized Lime JOM - Springer

2017/11/29  The method described has been carried out in a 3-ton rotating furnace at احصل على السعر

Industrial Ecotechnological Assessment of Lime as a Sustainable ...

2024/5/6  This study comprehensively assesses the ecotechnological consideration and احصل على السعر

Optimal hot metal desulphurisation slag

2021/2/21  Introduction. Since the early days of iron- and steelmaking, sulphur is considered as an unwanted impurity that needs to be removed [Citation 1].Although there are various processes in the modern steelmaking chain احصل على السعر

Analysis of limestone for flue gas desulfurization in a power

What is flue gas desulfurization? Power plants burning sulfur-containing coal or oil emit sulfur dioxide (SO2). A flue gas desulfurization (FGD) processing unit, commonly referred to as a scrubber, removes the SO₂ from ... The resulting calibrations for lime, magnesia, iron oxide and silica are illustrated in Figures 1, 2, 3 and 4.احصل على السعر

Desulfurization characteristics of slaked lime and regulation ...

2024/9/1  The iron and steel plant used a CFB-FGD tower to desulfurize the flue gas of a 220 m 2 sintering machine. The original slaked lime used in the process had a calcium hydroxide content of approximately 92%, and 90% of the particles passed through a 180-mesh sieve, which means that the d 90 was approximately 80 μm. However, the desulfurization ...احصل على السعر

Desulfurization strategies in oxygen steelmaking - ResearchGate

2013/4/1  Configuration of the HM Desulfurization Plant at Isdemir ... The deoxidation and the desulfurization limits of liquid iron by calcium are calculated to be 1.6 mass ppm O (at 15 mass ppm Ca) and 3. ...احصل على السعر

Effect of CO2 on the Desulfurization of Sintering Flue Gas with ...

2022/12/28  In the absorption tower, the main component of hydrated lime is Ca(OH) 2, the desulfurization rate of sintering flue gas reaches 98% and the denitrification rate reaches 88%, ... The raw material used in this paper is quicklime, provided by Meishan Iron and Steel Plant (Nanjing, China). The powdered raw material obtained after grinding and ...احصل على السعر

Optimization of Desulphurization Process using Lance

dition for desulfurization, and the desulfurization agent the lime system.2–5) The sulfur content can be controlled under 10 ppm by the KR method in the some steel plants. For the deep desulfurization (sulfur content ˚30 ppm after desulfurization) hot metal using the injection method, the desulfurization agent generally used the magnesiumاحصل على السعر

Utilization of Water Utility Lime Sludge for Flue Gas Desulfurization ...

2018/6/6  1. INTRODUCTION. In Part I of this article, the main economic and environmental benefits of replacing limestone with lime-softening sludge in the flue gas desulfurization (FGD) process of coal-fired power plants were discussed. 1 This replacement may (1) eliminate the cost of high-quality limestone material and its transportation over long distances, (2) eliminate the احصل على السعر

OFF-GAS DESULFURIZATION WITH SODIUM BICARBONATE FOR IRON

2017/9/1  For dry off-gas desulfurization by chemisorption in iron ore sinter plants hydrated lime is usually used as reactant. In some other off-gas cleaning applications with a gas temperature above 140 ...احصل على السعر

Desulphurization of Pig Iron with Pulverized Lime JOM - Springer

2017/11/29  The method described has been carried out in a 3-ton rotating furnace at Domnarfvet Iron and Steel WorkS. It has, the following characteristic features.The molten iron is brought into intimate contact with powdered burnt lime by treatment in a rapidly rotating furnace.The treatment has to take place under strongly reducing conditions, which can be احصل على السعر

Heavy metal removal from waste water from wet lime

War. Res. Vol. 21, No. 11, pp. 1345-1354, 1987 0043-1354/87 $3.00 + 0.00 Printed in Great Britain Pergamon Journals Ltd HEAVY METAL REMOVAL FROM WASTE WATER FROM WET LIME(STONE)--GYPSUM FLUE GAS DESULFURIZATION PLANTS J. B. LEFERS*, W. F. VAN DEN BROEKE, H. W. VENDERBOSCH, J. DE NIET and A. KETTELARIJ N.V. KEMA, Joint احصل على السعر

Lime dolomite for iron and steel production Lhoist

After having absorbed impurities, the lime forms a basic slag more quickly. Good quality lime produces a high-quality slag, an environmentally-friendly result that is easy to handle and treat. Extended refractory life You can enhance the steel refining process by adding soft- and/or hard-burnt dolime in either a pure form or in a lime-dolime mix.احصل على السعر

Desulfurization of Hot Metal by the Injection of High-Quality Lime ...

2018/12/11  The desulfurization of hot metal by the injection of fluidized lime (≥94% CaO) is analyzed, when the lime consumption is 0.5–19 kg/t of hot metal. That results in 95% desulfurization; the lowest sulfur content in the hot metal is 0.003%. Decrease in sulfur content in the hot metal to 0.005, 0.010, 0.015, 0.020, and 0.025% with different initial sulfur content is احصل على السعر

Kinetic Simulation of Hot Metal Pretreatment: Desulfurization

2022/2/6  A kinetic model for hot metal pretreatment process was developed. The co-injection of soluble magnesium and insoluble lime, and both of the transitory and permanent contact reaction zones were considered in the present model. That is, the model covers all the general features of hot metal desulfurization in the submerged powder injection, practiced at احصل على السعر

Heavy metal removal from waste water from wet lime

War. Res. Vol. 21, No. 11, pp. 1345-1354, 1987 0043-1354/87 $3.00 + 0.00 Printed in Great Britain Pergamon Journals Ltd HEAVY METAL REMOVAL FROM WASTE WATER FROM WET LIME(STONE)--GYPSUM FLUE GAS DESULFURIZATION PLANTS J. B. LEFERS*, W. F. VAN DEN BROEKE, H. W. VENDERBOSCH, J. DE NIET and A. KETTELARIJ N.V. KEMA, Joint احصل على السعر

Lime dolomite for iron and steel production Lhoist

After having absorbed impurities, the lime forms a basic slag more quickly. Good quality lime produces a high-quality slag, an environmentally-friendly result that is easy to handle and treat. Extended refractory life You can enhance the steel احصل على السعر

Desulfurization of Hot Metal by the Injection of High-Quality Lime ...

2018/12/11  The desulfurization of hot metal by the injection of fluidized lime (≥94% CaO) is analyzed, when the lime consumption is 0.5–19 kg/t of hot metal. That results in 95% desulfurization; the lowest sulfur content in the hot metal is 0.003%. Decrease in sulfur content in the hot metal to 0.005, 0.010, 0.015, 0.020, and 0.025% with different initial sulfur content is احصل على السعر

Kinetic Simulation of Hot Metal Pretreatment: Desulfurization

2022/2/6  A kinetic model for hot metal pretreatment process was developed. The co-injection of soluble magnesium and insoluble lime, and both of the transitory and permanent contact reaction zones were considered in the present model. That is, the model covers all the general features of hot metal desulfurization in the submerged powder injection, practiced at احصل على السعر

Utilization of Water Utility Lime Sludge for Flue Gas Desulfurization ...

1. INTRODUCTION. Wet scrubbers are widely used for removal of SO 2 from flue gas through reaction with limestone slurries. 1 A supply-demand evaluation and a life cycle assessment performed in Part I of this investigation, demonstrated that switching from limestone to lime-softening sludge can be highly beneficial to water treatment and power generation industries, احصل على السعر

Desulphurization of Hot Metal - IspatGuru

2013/10/16  Desulphurization of Hot Metal. satyendra; October 16, 2013; 15 Comments ; calcium carbide, Co-injection process, desulphurization, Desulphurizing reagents, Hot metal, Kanbara reactor, KR process, lime, magnesium, MMI process,; Desulphurization of Hot Metal. Sulphur is a desirable element in steel when good machinability is needed from the steel product.احصل على السعر

Recent Studies on Hot Metal Desulfurization SpringerLink

2022/2/4  Hot metal desulfurizationHot metal desulfurization station is an indispensable part of a modern integrated iron and steelmakingIntegrated iron and steelmaking company. In this plant, roughly speaking, at least ninety percent of sulfur in hot metal is eliminated...احصل على السعر

Improvement in industrial desulfurization of cast iron

2005/1/1  In the 1960s, Giprostal' Institute developed industrial plant for desulfurization of cast iron. Lime was injected into cast iron in ladle. Finished dried lime contained particles with sizes of up ...احصل على السعر

Investigation on Applicability of Lime as Desulfurization

Table 1. Initial chemical composition (wt%) of cast iron before desulfurization. CSi S P MnFe 3.4–3.5 1.6–1.7 0.09–0.12 0.06–0.07 0.5–0.6 93–94 Crucible Cast iron Thermocouple Lime Figure 1. Illustration of the lime-based desulfurization process for molten cast iron using surface addition method. advancedsciencenews l www ...احصل على السعر

Steel - Lhoist

After having absorbed impurities, the lime forms a basic slag more quickly. Good quality lime produces a high-quality slag, an environmentally-friendly result that is easy to handle and treat. Extended refractory life You can enhance the steel refining process by adding soft- and/or hard-burnt dolime in either a pure form or in a lime-dolime mix.احصل على السعر

Investigation on Applicability of Lime as Desulfurization Agent

2024/9/12  Based on the findings of this study, it is indicated that lime can be a reliable cast‐iron desulfurization agent by reaching an end‐sulfur concentration of <0.015 wt%, thus providing an ...احصل على السعر

Reagents for Desulphurization of Hot Metal – IspatGuru

2018/8/19  Fig 2 Typical grain size distribution of lime. Lime is the cheapest hot metal desulphurization reagent which is being used. However, it has a lower effectiveness. It also produces large quantity of slag and, since iron losses are directly proportional to the generation of slag, this adversely affects the cost.احصل على السعر

Utilization of Water Utility Lime Sludge for Flue Gas Desulfurization ...

2018/6/6  2.1. Evaluation of Limestone Demand and Lime Sludge Supply. The annual steam-electric plant operation and design data (EIA-767) database was used to estimate the total amount of limestone used by coal-fired power utilities in the United States. 16 The total amount of lime sludge generation by water utilities was obtained as follows. First, data from the Safe احصل على السعر

Preparation of calcium ferrite by flue gas desulfurization gypsum

2021/3/5  At present, the continuous accumulation of the flue gas desulfurization (FGD) gypsum in steel plants leads to the serious environmental issues and resource waste. To achieve green and sustainable development for the steel industry, it is significant to improve the usage of by-product gypsum. Employing the sintering FGD gypsum, ferric oxide, and graphite carbon احصل على السعر