
Zoucheng desulfurization powder

ReviewRecent advances in process and materials for dry
Sodiumbased dry desulfurization technology is widely used in the flue gas desulfurization processes of blast furnace hot stoves, heating furnaces, coke ovens, and gas boilers due to its simple system structure and efficient desulfurization performance, effectively meeting flue gas 2022年1月15日 Infurnace calcium injection desulfurization technology sends limestone powder or lime powder gas into the furnace Under high temperature conditions, calcium carbonate Summary of research progress on industrial flue gas 2020年4月28日 At a 600 °C roasting temperature, the La(6%)–Ce(8%)–V(7%)–Cu(8%)–ZSM5 catalyst had the simultaneously optimum desulfurization and denitrification efficiencies The desulfurization Simultaneous Desulfurization and Denitrification Using 2015年1月1日 For modeling hot metal desulfurization using monoinjection (CaC2) and coinjection (CaC2 and CaO) techniques, Barron et al [24] created a CFDbased reaction model In both situations, it was(PDF) Modeling and Simulation of Hot Metal

Development of a new RH desulphurisation process with powder
2022年9月13日 The results indicate that the new desulphurisation process can not only obtain high desulphurisation degree of above 80% but also avoid unfavorable fluorite powder flux 2023年5月10日 As a novel desulfurization method, we developed piezocatalysts that do not require adding any oxidants and can be performed at room temperature A microwave method Studying the mechanism and kinetics of fuel desulfurization2023年12月1日 Metaldoping strategy was proposed for fabricating functionalized Znbased sorbents Mo and Nidoping both result in notable inhibition of the sulfurrelease effect Ni Functionalized Znbased desulfurizer with ordered mesoporous The simulated results also show that powder injection desulphurization has better desulphurization efficiency compared with adding desulphurization agent simply onto the top A Mathematical Model of Desulphurization Kinetics for Ultralow

Study on modification and performance of desulfurizer produced
introduces a novel surface coating modification using sodium silicate solution (SSS) to enhance the performance of NSA desulfurizers, addressing these limitations and improving their eficiency2022年12月13日 In the current study, the multiphase flow of the molten steel, the dispersion of the desulfurizer, and the desulfurization kinetics were combined to study the desulfurizer Numerical Simulation on the Desulfurization of the Molten Steel 2000年6月1日 However, they have not built mathematical model of the desulfurization process and analyzed it in a powderparticle spouted bed Xu et al [10] experimentally tested a new semidry desulfurization A New SemiDry Desulfurization Process Using a PowderThe powderparticle spouted bed process is one of the semidry processes that have been developed for flue gas desulfurization In this study, which is designed for SO2 removal by a powderparticle spouted bed, the reaction term is Flue Gas Desulfurization by a PowderParticle

Study on process of RH desulfurization by powder injection
摘要: The principle of desulfurization by powder injection was analyzed in detail in this paper Increasing the quantity of desulfurizer in liquid steel and prolonging the desulfurizer resistance time in liquid steel were proposed to increase RH desulfurization efficiency2012年2月6日 Although there have been a numerous number of studies on mathematical model of hot metal desulfurization by deep injection of calcium carbide, the research field as a whole is not well integratedMathematical Model of Hot Metal Desulfurization by Powder InjectionRH plant, desulfurization, powder blowing, silicon steel 2 QG(67$' PHWHF Introduction The presence of sulfur in the steel has a strong impact on the steel qualityDesulfurization of Molten Steel in RHDegasser by Powder 2022年10月10日 The experiment proved that the reduced iron powder affects the sulfur in the removed coal When the mass ratio of coal powder to iron powder was 5:2, the best desulfurization effect was obtained at 600 °C for 1 h The desulfurization rate reached 8009%, and more than 7632% organic sulfur was removed The removalDesulfurization mechanism of highsulfur coal by heating

Desulfurization of black powder for isotopic profiling using
2022年8月1日 The changes in δ 13 C, δ 15 N, and δ 18 O after desulfurization were close to the standard deviation values and did not affect the analysis of black powder Desulfurization and stable isotope analysis were performed on 12 black powder samples obtained from cases that happened in eight different areas in China, and the carbon, nitrogen, and 2022年2月6日 A kinetic model for hot metal pretreatment process was developed The coinjection 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 Kinetic Simulation of Hot Metal Pretreatment: Desulfurization 2022年1月15日 As a semidry desulfurization technology with no wastewater, a low operating cost and a high desulfurization rate, a powder spouted bed can also be used as a future research direction Ionic liquid desulfurization can freely combine and replace anions and cations to synthesize new functional ionic liquidsSummary of research progress on industrial flue gas desulfurization 2024年8月7日 The present study integrated the multiphase flow of molten steel, desulfurizer dispersion, and desulfurization kinetics to explore the impact of injection amount, injection speed, and lance position on desulfurizer injection desulfurization This investigation employed a coupled kε model, Volume of Fraction (VOF) model, Discrete Phase Model (DPM), userdefined scalar Modeling on the Desulfurization of the Molten Steel During RH

Study on the system of calcined desulfurization gypsum aluminate
*Yongjuan Zhang: Study on the system of calcined desulfurization gypsum aluminate cement slag powder cement Xiong Zhang1, Hao Ren1, Tao Ji1, Gaoyu Liao1,and Yongjuan 2015年6月16日 The desulfurization by powder injection and blowing of RH refining of molten steel was analyzed A kinetic model for the process was developed based on the tworesistance mass transfer theory and Desulfurization of Molten Steel in RHDegasser by 2007年5月31日 The present work experimented with ladle desulfurization by powder injection under reduced pressure in comparison with under atmospheric pressure It was found that powder injection under reduced pressure provides a high stirring force, activates the entrapment of top slag and accelerates the desulfurization reaction involvedBehavior of Desulfurization in Ladle Steel Refining with Powder of powder injection rate, the total desulfurization ratio increases KEY WORDS: bottom powder injection; desulfurization; reaction kinetic; numerical simulation; ladle better kinetic conditions and technology features, and it may also overcome some problems existing in the traditional refining processing, such as serious splashing, inflexibility,Numerical Simulation of Desulfurization Behavior in Ladle with

Kinetic model of desulphurization by powder injection
2000年1月1日 The desulfurization by powder injection and blowing of RH refining of molten steel was analyzed A kinetic model for the process was developed based on the tworesistance mass transfer theory and 2008年2月1日 Semidry flue gas desulfurization was investigated with several kinds of SO2 sorbents, such as slaked lime, limestone, Mg(OH)2 and concrete pile sludge, in a powderparticle spouted bedRemoval of SO2 in Semi‐Dry Flue Gas DesulfurizationPowder Blasting in Hot Metal Desulfurization by Mechanical Stirring Process Yoshie NAKAI, 1)* Ikuhiro SUMI, Naoki KIKUCHI,1) Kotaro TANAKA2) and Yuji MIKI1) 1) Steel Research Laboratory, JFE Steel Corporation, 1 Kokancho, Fukuyama, Hiroshima, 7218510 JapanPowder Blasting in Hot Metal Desulfurization by Mechanical 2015年5月27日 M A Barron et al 296 Figure 1 The desulfurization process of hot metal by powder injection for manufacturing ultralow sulfur steels [3][5] They promise marketdriven innovation, enhanced Modeling and Simulation of Hot Metal Desulfurization by Powder

Effect of adjusted mesoscale drag model on flue gas desulfurization
2021年12月1日 An energy minimum multiscale model was adjusted to simulate the mesoscale structure of the flue gas desulfurization process in a powderparticle spouted bed and verified experimentally2018年12月10日 Mechanism of Fe powder promoting coal desulfurization Table 3 presents the sulfur forms analysis results of the low rank coal before the pyrolysis, the coal pyrolysis without Fe powder, and the separated coal copyrolysis with Fe powder at the coal/Fe powder mass ratio of 4:1 and the copyrolysis temperature of 700 °CDesulfurization of low rank coal copyrolysis with reduced iron powder 2022年1月7日 Powder Injection Effect on Hot Metal Desulfurization Behavior in the Kanbara Reactor: A desulfurization kinetic model was simultaneously introduced to represent the sulfur mass transfer ratePowder Injection Effect on Hot Metal Desulfurization 2000年4月1日 Semidry flue gas desulfurization was investigated with several kinds of SO2 sorbents, such as slaked lime, limestone, Mg(OH)2 and concrete pile sludge, in a powderparticle spouted bedProcess Analysis of SemiDry Desulfurization Process in PowderParticle

Powder Blasting in Hot Metal Desulfurization by ResearchGate
2017年6月15日 Download Citation Powder Blasting in Hot Metal Desulfurization by Mechanical Stirring Process The effect of adding CaObased desulfurization flux on desulfurization efficiency in hot metal 2022年8月1日 The changes in δ 13 C, δ 15 N, and δ 18 O after desulfurization were close to the standard deviation values and did not affect the analysis of black powder Desulfurization and stable isotope analysis were performed on 12 black powder samples obtained from cases that happened in eight different areas in China, and the carbon, nitrogen, and Desulfurization of black powder for isotopic profiling using DOI: 101080/2024 Corpus ID: ; Desulphurisation of waste rubber powder using mechanochemical method and the influence on modified asphalt @article{Gao2024DesulphurisationOW, title={Desulphurisation of waste rubber powder using mechanochemical method and the influence on modified asphalt}, author={Lining Gao and Desulphurisation of waste rubber powder using mechanochemical The desulfurization of hot metal by the monoinjection of lime powder and the coinjection of lime, calcium carbide and magnesium powders is mathematically modeled The monoinjection model is derived from the continuity equation and is validated using experimental results and data previously reported in the literatureModeling and Simulation of Hot Metal Desulfurization by Powder

Kinetic Simulation of Hot Metal Pretreatment: Desulfurization
2022年2月6日 Request PDF Kinetic Simulation of Hot Metal Pretreatment: Desulfurization Using Powder Injection A kinetic model for hot metal pretreatment process was developed The coinjection of soluble 2022年12月13日 Numerical Simulation on the Desulfurization of the Molten Steel during RH Vacuum Refining Process by CaO Powder Injection December 2022 Metallurgical and Materials Transactions B 54(1)Numerical Simulation on the Desulfurization of the Molten Steel 2015年10月30日 A Review of Desulfurization Technology using Limestone in Circulating Fluidized Bed Boiler Type Power Plant(PDF) A Review of Desulfurization Technology using Limestone in 2019年11月1日 Computational fluid dynamics (CFD) combined with the twofluid model (TFM) was used for simulation of water vaporization and semidry flue gas desulfurization process in a two dimensional powder Numerical simulation of semidry flue gas desulfurization process

Development of a new RH desulphurisation process with powder
2022年9月13日 The results indicate that the new desulphurisation process can not only obtain high desulphurisation degree of above 80% but also avoid unfavorable fluorite powder flux The sulfur in the molten steel can be removed from 40∼80 ppm to less than 10∼20 ppm The injection amount of the powder flux is about 5 kg per ton steelPDF On Feb 5, 2022, Olawumi Oluwafolakemi Sadare and others published Evaluation of adsorption and kinetics of neem leaf powder (Azadirachta indica) as a biosorbent for desulfurization of (PDF) Evaluation of adsorption and kinetics of neem leaf powder 2022年10月1日 Request PDF Preparation of Superfine and SemiHydrated Flue Gas Desulfurization Gypsum Powder by a Superheated Steam Powdered Jet Mill and Its Application to Produce Cement Pastes The low Preparation of Superfine and SemiHydrated Flue Gas Desulfurization the increase of gas flow rate, the total desulfurization ratio gradually decreases, and with the increasing of powder injection rate, the total desulfurization ratio increases KEY WORDS: bottom powder injection; desulfurization; reaction kinetic; numerical simulation; ladle better kinetic conditions and technology features, and it mayNumerical Simulation of Desulfurization Behavior in Ladle with

Desulfurizing Steel: Magnesium is the Reagent of Choice
The use of magnesium in advanced desulfurization methods and specialized equipment for hot metal desulfurization has been developed by companies such as Almamet GmbH, Ainring, Germany Almamet has developed innovative handling and transport methods and improved the injection process by collaborating with injection equipment designers and suppliersDesulfurization is a technology used to separate SO 2 from its emitting sources such as exhaust flue gases of fossilfuel power plants, oil refineries, etc The crucial requirement to decrease sulfur loading in fuels to nearly zero content is imposed by mandatory environmental and health protocols as well as the accurate tolerance needed for their use in fuel applicationsDesulfurization an overview ScienceDirect Topics2013年12月1日 Request PDF Influence of Thermally Treated Flue Gas Desulfurization (FGD) Gypsum on Performance of the Slag Powder Concrete The feasibility of flue gas desulphurization (FGD) as concrete Influence of Thermally Treated Flue Gas Desulfurization2021年8月19日 Thermogravimetric analysis indicated that the maleic anhydridegrafted desulfurized rubber powder and desulfurized rubber powder possessed different thermal properties and structure The results of scanning electron microscopy and elemental analysis illustrated that the surface of the desulfurized rubber powder was covered with a layer of fold Preparation and characterization of maleic anhydridegrafted

Desulfurization strategies in oxygen steelmaking ResearchGate
2013年4月1日 The deoxidation and the desulfurization limits of liquid iron by calcium are calculated to be 16 mass ppm O (at 15 mass ppm Ca) and 35 mass ppm S (at 40 mass ppm Ca) under the condition of aCaO 2021年8月1日 Request PDF Preparation and characterization of maleic anhydride‐grafted desulfurization rubber powder by free‐radical polymerization The objective of the article was to enhance the Preparation and characterization of maleic anhydride‐grafted