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·This paper reviews the potential use of silico manganese slag SiMnS as binder and aggregate in Portland cement and geopolymer concrete SiMnS is a byproduct of alloy steel production
·Cement production causes % of global anthropogenic CO2 emissions arising from limestone decarbonation and fossil fuel combustion1 3 Current decarbonation strategies include substituting
·Operational data of BOF and the slag samples for different starting conditions of phosphorus %P and silicon content %Si of hot metal have been analysed
The molten steel was dephosphorized by high basic BaO based slags BaO CaO CaF2 to achieve ultra low phosphorus level The dephosphorization ability of the BaO CaO CaF2 slags was tested The phosphate capacity of this slag system at 1 620 C varied from to with an activity coefficient of P2O5 ranging from to The effect of
·In secondary route of steelmaking production through induction melting furnace contributes about 31 % of India s total steel production The main raw materials used are steel scrap cast iron and sponge iron In India majority of the induction furnaces are operated using acidic lining of silica based ramming mass to produce structural steel where basicity cannot be
·In contrast to the case for the dephosphorization of molten steel for the hot metal dephosphorization process investigated in this study the FeO content of the slag had a smaller effect on L
·A literary study has been made to find parameters affecting dephosphorization of stainless steel Ways During the melting process lime CaO and dolomite CaMg CO 3 2 is added CaF 2 is also added in order to increase the solubility of the slag When the process is finished and it is
·manganese austenitic steel dephosphorization experimentations 1 INTRODUCTION Manganese steel or Hadfield steel is unique nonmagnetic steel with extreme anti wear properties [1 3 6 11 15] Also manganese steel was unique in that it combined high toughness and ductility with high work hardening capacity and
·The structure and viscosity of the dephosphorization slag in new double slag converter steelmaking process with low basicity slag at the low temperature range of 1573 K 1723 K are studied with
·Laboratory study was carried out on deep dephosphorization of liquid steel by BaO based fluxes at 1600℃ to achieve ultra low phosphorus level in the steel A dynamic model of dephosphorization of liquid steel by BaO based fluxes was to the model the controlling step of dephosphorization by BaO based fluxes was the mass transfer of
·In the present work a new ladle dephosphorization process has been developed using the dispersed in situ phases induced by an explosive reaction of the composite balls with slag forming materials
The steel industry cannot be conceived without the use of lime ever present during the whole steel making process Dephosphorization 2[P] 5[O] 3 CaO = 2 O 5 Refining Limestone & Dolomite Its use in furnaces in different countries and continents allows the refining and manufacture of steel
AbstractWe investigated the effect of direct reduced iron DRI addition on dephosphorization of molten steel by electric arc furnace EAF slag at 1823 K 1550 °C Various phenomena such as CO gas evolution and slagmaking by gangue oxides in DRI were experimentally observed at each reaction step Thermodynamic behaviors of phosphorus oxygen and carbon were strongly
·Semantic Scholar extracted view of "Use of computational thermodynamics software to determine the influence of CaO FeO and SiO2 on hot metal dephosphorization efficiency" by Caio Vaccari Silva et al It is important to understand the dephosphorization behavior of steel slag in the new double slag converter steelmaking process In this
·Dephosphorization experiments in a 200 kg induction furnace showed that using red mud as a flux under semi steel conditions [C] = wt% reduced the [P] in the melt pool to below wt% initial [P] in hot metal was wt% with a dephosphorization rate of over 90% fully demonstrating the fluxing effect of red mud in deep
·Therefore we have developed a flux for dephosphorization of steel in induction furnace 5 40 kg scale based on thermodynamics studies FactSage and experimental conditions Synthetic slag
The Effect of B 2 O 3 on Dephosphorization of Molten Steel by FeO x CaO MgO satd SiO 2 Slags at 1873K Tasuku HAMANO Fumitaka TSUKIHASHI Author information Keywords thermodynamics phosphorus dephosphorization FeO x
the times of slag remaining should be less than 5 to ensure the dephosphorization of steel Lime kg/t crude steel Dolomite kg/t crude steel Iron ore kg/t crude steel L0 110 15 30 20 5
·Fig 2 shows the representative compositions of dephosphorization agents while using different steel slags to replace a certain amount of dephosphorization agent As steel slag is a multi component slag the amount of the required to be added must be larger than the substitution ratio It can be seen from Fig 2 that the proportion of steel slag is between 20 and
DOI / Corpus ID 270575774; The high efficiency dephosphorization mechanism of steel by a novel porous MgO CaO based refractories article{Zou2024TheHD title={The high efficiency dephosphorization mechanism of steel by a novel porous MgO CaO based refractories} author={Yongshun Zou and Ding Chen and
·1 Introduction There is an increasing demand for lower phosphorus steels Hot metal dephosphorization is commonly applied in Japan and some special processes were proposed for high
The use of empirical models and data driven approaches is widely employed in industrial applications [9 11] and this scenario is no different in the steel industry [12 15] This is primarily due to two factors One is the complexity of physical chemical phenomena which limits the use of purely mathematical
