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  • Dephosphorization of Steels – IspatGuru

    Aug 15, 2016  For slags containing from 0.2 % to 1.0 % of P2O5 the log of the activity coefficient of P2O5 is a linear function of CaO and MgO content and that there is no temperature dependence. For slag containing P2O5 more than 1 % the log of the activity coefficient of P2O5 is also a linear function of CaO but it also has temperature dependence.

  • Double Slag Operation Dephosphorization in BOF for ...

    A study on the production of low phosphorus steel by double slag operation in 210 t converter was carried out. A phosphorus content of less than 0.005% (mass percent) was obtained before tapping.

  • Effects of calcium ferrite slag on dephosphorization of ...

    The calcium ferrite pellets developed in the present study were thus used in the earlier stage of converter process as the dephosphorizing agent to solve the problems. For a better interpretation of the experimental results, the rate of dephosphorization, ηp, and phosphorus distribution ratio between the slag and metal, Lp, defined by Eqs.

  • Author: Wei Wu, Qixing Yang, Qi Gao, Jiaqing Zeng
  • Experimental study on environment-friendly ...

    In order to develop high efficient and environment-friendly dephosphorization agents,in this paper,the FactsageTM was used to plot ternary phase diagram about Fe3O4-CaO-B2O3 and Fe3O4-CaO-K2O.The mass fraction of B2O3 system and K2O system dephosphorization agents were determined by the ternary phase diagram.Then dephosphorization experiments were conducted in the laboratory.The experimental ...

  • The basic dephosphorizing process; what it is and what may ...

    the basic dephosphorizing process; what i t is and what may be expected: from :it, by jacob reese. A paper read before the Engineers' Society of Western Pennsylvania, Dec. 21, 1880. ~ A slag is said to be basic when it is composed of metallic oxides;: or, in other words, when the base of the slag is a metal the slag is said to be basic.

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  • Dephosphorization Definition of Dephosphorization by ...

    Dephosphorization definition is - the process of dephosphorizing or the state of being dephosphorized.

  • Dephosphorization Definition of Dephosphorization by ...

    Dephosphorization definition is - the process of dephosphorizing or the state of being dephosphorized.

  • Feasibility Study of Dephosphorization of Slag Generated ...

    32 Vikash Kumar et al.: Feasibility Study of Dephosphorization of Slag Generated from Basic Oxygen Furnace of an Integrated Steel Plant Table 2. Chemical analysis of a typical BOF slag,Wt% CaO SiO 2 Al 2O 3 Fe 2O 3 FeO MgO MnO P 2O 5 45-60 10-15 1-5 3-9 7-20 3-13 2-6 1-4

  • Research and Development Status of Organic Molybdenum As ...

    A large number of experiments have confirmed that organic molybdenum as the friction-reducing anti-wearing agent has strong adaptability, is widely used, can be added to a variety of lubricants and greases, and can be used for various friction pairs.

  • High Temperature Properties of BOF Slag and its Behaviour ...

    ping material was collected when BOF slag was sand- wiched between coke layers in a graphite crucible 1231. Previous laboratory tests have showed that addition of BOF slag improves the melting properties of tuyere slag when added to coke and coal ash [5]. Based on the proposal to inject BOF slag to get a smooth slag formation 141.

  • Preparation and Characterisation of PLGA-Nanoparticles ...

    Lactide-co-glycolide) (PLGA) has gained attention for the preparation of wide variety of delivery systems containing several drugs 5-6 due to their biodegradable, biocompatible properties 7-8 and low toxicity 9. Ramipril, potent anti-hypertensive agent has been used in are treatment of

  • Study 209 Terms Research Methods Final Exam Flashcards ...

    recruit experimental and control groups, measure both groups on DV, expose experimental group to IV, measure both groups on DV problems with a nonequivalent control pretest-posttest group design still do not have equivalent groups, however, the pretest allows you to see how the participants are different/similar before exposing them to the IV ...

  • Hot metal desulphurizing and dephosphorizing process ...

    Jun 30, 1987  Evaluations made on a simulation model and experimental data indicate that, starting from low-silicon (≤0.20%) hot metal containing 0.03% S and 0.13% P, a ten-minute treatment involving 50 kg of agents per ton of hot metal should ensure sulphur and phosphorus values of around 0.005% to 0.015% respectively.

  • Industrial uses of slag (the use and re-use of iron and ...

    AbstractTraditionally, iron ore has been reduced with coke in a blast furnace and the hot metal product of the blast furnace containing carbon, manganese, silicon, sulphur and phosphorous, was subsequently refined in a steelmaking furnace. During ironmaking as well as during steelmaking, significant amounts of slag are produced. Two decades ago, more than 13 million tonne (mt) of blast furnace ...

  • Dephosphorylation - Wikipedia

    Dephosphorylation is the removal of a phosphate (PO 4 3−) group from an organic compound by hydrolysis.It is a reversible post-translational modification.Dephosphorylation and its counterpart, phosphorylation, activate and deactivate enzymes by detaching or attaching phosphoric esters and anhydrides.A notable occurrence of dephosphorylation is the conversion of ATP to ADP and

  • 4th International Symposium on High‐Temperature ...

    In the last decade, global metallurgical industries have experienced fast and prosperous growth. High temperature metallurgical technology is the backbone to support the technical, environmental, and economical needs for the growth.

  • What is learning? On the nature and merits of a functional ...

    Jan 29, 2013  Learning has been a central topic in psychological research virtually since the inception of psychology as an independent science (e.g., Ebbinghaus, 1885/1962; Thorndike, 1911).During the largest part of the previous century, it was even the most intensely studied topic in psychology.

  • The Influence of Sulfur on Dephosphorization Kinetics ...

    Jun 12, 2017  The bloating behavior of metal droplets and the dephosphorization behavior of bloated droplets at 1853 K (1580 °C) were investigated using X-ray fluoroscopy coupled with constant volume pressure change measurements and chemical analysis of quenched samples. The effect of sulfur content on dephosphorization kinetics was studied during the decarburization period.

  • Carbonation of Steel Slag for CO2 Sequestration: Leaching ...

    Carbonation of industrial alkaline residues can be used as a CO2 sequestration technology to reduce carbon dioxide emissions. In this study, steel slag samples were carbonated to a varying extent. Leaching experiments and geochemical modeling were used to identify solubility-controlling processes of major and trace elements, both with regard to carbonation mechanisms and the environmental ...

  • Study of the State of Industrial P2O5‐Containing Slags ...

    This paper presents a study of the state of CaO–FeO x –P 2 O 5 and CaO–FeO x –SiO 2 based slags under various process conditions by means of thermodynamic calculations using a newly developed thermodynamic database. The database is developed in the scope of the European project BOF DePhos (RFSR‐CT‐2014‐00005) for the purpose of ...

  • What is learning? On the nature and merits of a functional ...

    Jan 29, 2013  Learning has been a central topic in psychological research virtually since the inception of psychology as an independent science (e.g., Ebbinghaus, 1885/1962; Thorndike, 1911).During the largest part of the previous century, it was even the most intensely studied topic in psychology.

  • The Influence of Sulfur on Dephosphorization Kinetics ...

    Jun 12, 2017  The bloating behavior of metal droplets and the dephosphorization behavior of bloated droplets at 1853 K (1580 °C) were investigated using X-ray fluoroscopy coupled with constant volume pressure change measurements and chemical analysis of quenched samples. The effect of sulfur content on dephosphorization kinetics was studied during the decarburization period.

  • Carbonation of Steel Slag for CO2 Sequestration: Leaching ...

    Carbonation of industrial alkaline residues can be used as a CO2 sequestration technology to reduce carbon dioxide emissions. In this study, steel slag samples were carbonated to a varying extent. Leaching experiments and geochemical modeling were used to identify solubility-controlling processes of major and trace elements, both with regard to carbonation mechanisms and the environmental ...

  • Study of the State of Industrial P2O5‐Containing Slags ...

    This paper presents a study of the state of CaO–FeO x –P 2 O 5 and CaO–FeO x –SiO 2 based slags under various process conditions by means of thermodynamic calculations using a newly developed thermodynamic database. The database is developed in the scope of the European project BOF DePhos (RFSR‐CT‐2014‐00005) for the purpose of ...

  • Zinc and Lead Removal from Blast Furnace Sludge with a ...

    During the production of pig iron in a blast furnace, a Zn- and Pb-containing sludge is generated in the air pollution control system. This toxic waste can be landfilled after dewatering and pretreatment, which is very costly. The sludge particles contain large amounts of Fe and C that could be recycled in the furnace. However, the Zn content of the sludge is high, and the Zn input to the ...

  • Latest articles from Ironmaking Steelmaking

    ‘Latest articles’ are articles accepted for publication in this journal but not yet published in a volume/issue. Articles are removed from the ‘Latest articles’ list when they are published in a volume/issue. Latest articles are citable using the author(s), year of online publication, article title, journal and article DOI.

  • INJECTION OF PULVERIZED MATERIALS INTO THE BLAST

    BOF slag and BF dust to the BF. In this study, the effect on process, raceway conditions, hot metal quality, reductant agent consumption and slag formation due to the selection of injection materials are discussed based on trial data. A special attention is paid on the injection of alternative carbon containing residual material.

  • Protective Effect of Intranasal Regimens Containing ...

    Rudragouda Channappanavar, Lu Lu, Shuai Xia, Lanying Du, David K. Meyerholz, Stanley Perlman, Shibo Jiang, Protective Effect of Intranasal Regimens Containing Peptidic Middle East Respiratory Syndrome Coronavirus Fusion Inhibitor Against MERS-CoV Infection, The Journal of Infectious Diseases, Volume 212, Issue 12, 15 December 2015, Pages 1894 ...

  • 11th International Symposium on High-Temperature ...

    This book features contributions covering the advancements and developments of new high-temperature metallurgical technologies and their applications to the areas of processing of minerals, preparation of refractory and ceramic materials, and saving of energy and protection of environment.

  • Evaluation of an Experimental Gel Containing Euclea ...

    2.3. Application of Materials. The 30 dentin discs were randomly divided into 3 groups of 10 specimens each, corresponding to experimental group (EG): Euclea natalenis gel, group F (FG): Fluoride gel 1.23% and group C (CG): treatment with control gel. The materials used were acidulated fluorophosphate gel (1.23% acidulated fluorophosphate, pH 4.1), E. natalensis gel (10% of alcoholic extract ...

  • What randomisation can and cannot do: The 2019 Nobel Prize ...

    Oct 29, 2019  The 2019 Nobel Prize in Economic Sciences has been awarded jointly to Abhijit Banerjee, Esther Duflo, and Michael Kremer “for their experimental approach to alleviating global poverty”. This column outlines their impact on development economics research and practical action to reduce poverty. It also considers some of the critiques of randomised controlled trials as an

  • Enhancement of Human Skin Fibroblasts Proliferation as a ...

    Feb 20, 2015  In this study, we tested the effects of QSM on human dermal fibroblast at doses of 50, 100, 200 and 400 µg/mL using MTT assay. The selection of the agent was based on its traditional medicinal use and its wound healing activity in animal model and human as reported in experimental

  • ing pristine black phosphorus down to the monolayer photo ...

    1 Exfoliating pristine black phosphorus down to the monolayer: photo-oxidation and quantum confinement Alexandre Favron1, Etienne Gaufrès2, Fréderic Fossard3, Pierre L. Lévesque2, Anne-Laurence Phaneuf-L’Heureux4, Nathalie Y-W. Tang2, Annick Loiseau3, Richard Leonelli1, Sébastien Francoeur4 and Richard Martel2* 1 Regroupement Québécois sur les Matériaux de Pointe (RQMP)

  • Hydrodynamic Characterization of Basic Oxygen Furnace Slag ...

    This study aimed at characterizing unsaturated hydraulic properties of the BOF slag and its evolution during a 1‐yr period through water infiltration experiments and use of

  • What randomisation can and cannot do: The 2019 Nobel Prize ...

    Oct 29, 2019  The 2019 Nobel Prize in Economic Sciences has been awarded jointly to Abhijit Banerjee, Esther Duflo, and Michael Kremer “for their experimental approach to alleviating global poverty”. This column outlines their impact on development economics research and practical action to reduce poverty. It also considers some of the critiques of randomised controlled trials as an

  • Enhancement of Human Skin Fibroblasts Proliferation as a ...

    Feb 20, 2015  In this study, we tested the effects of QSM on human dermal fibroblast at doses of 50, 100, 200 and 400 µg/mL using MTT assay. The selection of the agent was based on its traditional medicinal use and its wound healing activity in animal model and human as reported in experimental

  • ing pristine black phosphorus down to the monolayer photo ...

    1 Exfoliating pristine black phosphorus down to the monolayer: photo-oxidation and quantum confinement Alexandre Favron1, Etienne Gaufrès2, Fréderic Fossard3, Pierre L. Lévesque2, Anne-Laurence Phaneuf-L’Heureux4, Nathalie Y-W. Tang2, Annick Loiseau3, Richard Leonelli1, Sébastien Francoeur4 and Richard Martel2* 1 Regroupement Québécois sur les Matériaux de Pointe (RQMP)

  • Hydrodynamic Characterization of Basic Oxygen Furnace Slag ...

    This study aimed at characterizing unsaturated hydraulic properties of the BOF slag and its evolution during a 1‐yr period through water infiltration experiments and use of

  • Necrostatin-1 analogues: critical ... - Cell Death Disease

    Nov 29, 2012  Necrostatin-1 (Nec-1) is widely used in disease models to examine the contribution of receptor-interacting protein kinase (RIPK) 1 in cell death and inflammation. We studied three Nec-1

  • BIOLOGICAL PHOSPHOROUS REMOVAL

    Enhanced biological phosphorous removal (EBPR) relies on a healthy population of phosphorous accumulating organisms. Creating and maintaining the right environment for these organisms is the key to effective biological phosphorous removal. Keeping an eye on the signs that lead to an unhealthy environment is the best tool available to the

  • Application of electrochemical methods for the study and ...

    study of corrosion and protection of the metallic cultural heritage. Among all the metals that have been used in history and can hence be studied, it was decided to focus the research on copper and its alloys, as copper was one of the first metals to be known and used by

  • PROCESS FOR PRODUCING A CALCIUM FERRITE FOR MAKING

    Mar 14, 1972  We claim 1. A process for producing a calcium ferrite agglomerate consisting of two layers wherein the inner layer is made of calcium ferrite and the outer layer is made of CaO consisting essentially of mixing an iron-containing powdered ore and a limestone powder together so that the mol ratio of CaO/Fe 2 O 3 is 0.5 to 6, granulating the mixture, then covering the granules with the

  • An Agent-Based Model of Flood Risk and Insurance

    London Case Study: Flood risk and climate change implications for MSPs. ENHANCE deliverable 7.3: University of Oxford JENKINS, K., SURMINSKI, S., HALL, J., CRICK, F. (2016). Assessing surface water flood risk and management strategies under future climate change: an agent-based model approach. Centre for Climate Change Economics and Policy ...

  • SCHISTOSOMA HAEMATOBIUM - Biological Agents - NCBI Bookshelf

    1.2.1. Prevalence, geographic distribution. Human schistosomiasis is endemic in large areas of the (sub)tropics. It has been estimated that over 700 million people in 74 countries are exposed to the risk of schistosomal infection, and almost 200 million were estimated to be infected in 2003 (Fenwick, 2006), of which 85% in subSaharan Africa.About 95% of the cases are due to S. mansoni and S ...

  • Research Proposal on Motivation – Blog - EssayShark

    Jul 19, 2012  Research Proposal on Motivation: Specific Parts. Like any other academic papers, your research proposal on motivation should contain the following parts: The question your paper should answer. A brief review of the literature used and your arguments on the topic. You can review the theory and prove your awareness of the evidence and arguments.

  • BLEESS 2020 - BESLab: Behavioral Experimental Sciences ...

    "An Experimental Study of Bond Market Pricing" with Matthias Weber and Arthur Schram, Journal of Finance, 73, 2018, 1857-1892. "Heterogeneous Agent Modeling: Experimental Evidence" with Jasmina Arifovic, in: C. Hommes and B. LeBaron (Eds.), Handbook of Computational Economics Volume 4, Amsterdam: North-Holland, 2018, pp. 491-540.

  • PHOSPHORIC ACID - Food and Agriculture Organization

    PHOSPHORIC ACID Prepared at the 44th JECFA (1995), published in FNP 52 Add 3 (1995) superseding specifications prepared at the 17th JECFA (1973), published in FNP 4 (1978) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th JECFA (2002). No

  • Analysis of Numerical Errors - Amazon S3

    FEDERAL RESERVE BANK OF ST. LOUIS . Research Division . P.O. Box 442 . St. Louis, MO 63166 _____ The views expressed are those of the individual authors and do not necessarily reflect official positions of the Federal Reserve Bank of St. Louis, the Federal Reserve System, or

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    The materials of processing: *

    • Granite
    • Limestone
    • Basalt
    • Pebble
    • Gravel
    • Gypsum
    • Marble
    • Barite
    • Quartz
    • Dolomite
    • Gold Ore
    • Copper ore
    * *

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