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Dissertations / Theses on the topic 'Slag'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Nassyrov, Dmitri. "Slag solidification modeling." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119538.

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Two models able to predict Time-Temperature-Transformation (TTT) diagrams for liquid oxides and oxyfluorides have been developed. One on the basis of the Johnson-Mehl-Avrami-Kolmogorov (JMAK) equation and the other – using Classical Nucleation Theory (CNT). The most recent FactSage database was used for calculating the thermodynamic properties of the liquid and solid phases. The model based on the JMAK equation provided much better agreement with experimental data than the CNT model. The model developed in this study was used to successfully predict TTT diagrams for binary, ternary and multico
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2

Sulasalmi, P. (Petri). "Modelling of slag emulsification and slag reduction in CAS-OB process." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526214160.

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Abstract Composition Adjustment by Sealed argon bubbling – Oxygen Blowing (CAS-OB) process is a ladle treatment process that was developed for chemical heating and alloying of steel. The main stages of the process are heating, (possible) alloying and reduction of slag. The CAS-OB process aims for homogenization and control of the composition and temperature of steel. In this dissertation, a mathematical reaction model was developed for the slag reduction stage of the CAS-OB process. Slag reduction is carried out by applying vigorous bottom stirring from porous plugs at the bottom of the ladle.
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3

Muhmood, Luckman. "Investigations of thermophysical properties of slags with focus on slag-metal interface." Doctoral thesis, KTH, Materialens processvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-26611.

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The objective of this research work was to develop a methodology for experimentally estimating the interfacial properties at slag-metal interfaces. From previous experiments carried out in the division, it was decided to use surface active elements like sulfur or oxygen to trace any motion at the interface. For this purpose the following experimental investigations were carried out. Firstly the density of slag was estimated using the Archimedes Principle and the Sessile Drop technique. The density of the slag would give the molten slag height required for the surface active element to travel b
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4

Isaksson, Jenny. "Slag Cleaning of a Reduced Iron Silicate Slag by Settling : Influence of Process Parameters and Slag Modification on Copper Content." Licentiate thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-84798.

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During the pyrometallurgical extraction of copper, a significant part of the copper is lost with discard slag, which decreases profits, overall copper recovery, and efficiency of raw material usage. Smelting furnace slag usually has a copper content that is close to or higher than that of copper ores. The investigation of copper losses to slag is thus a task of practical significance, as the ore grades are depleting. Slag cleaning, e.g., a settling furnace, can reduce copper losses to slag as the mechanically suspended copper-containing droplets separate from slag under the action of gravity a
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5

Wang, Shao-Dong. "Alkaline activation of slag." Thesis, Imperial College London, 1995. http://hdl.handle.net/10044/1/7767.

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6

Ng, Ka Wing 1965. "Skimming of fluid slag." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33340.

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A 1/12 scale tank was constructed to physically simulate the metallurgical skimming process in order to gain a better insight of the skimming of fluid slag from copper anode furnaces. 1-decanol and water were used to represent the slag and the underlying liquid metal respectively. It was observed that slag skimming was comprised of two steps, a transportation step to carry slag to the skimming lip, and a removal step to move the slag across the lip. The efficiency of the transportation by bath surface circulation was strongly affected by the method of creation of the surface movement. Submerge
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7

Berryman, Eleanor. "Carbonation of steel slag." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110434.

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Iron and steel production is a rapidly growing industry with global outputs increasing 65% over the last ten years (World Steel Association, 2012). Unfortunately, it is also the largest industrial source of atmospheric CO2, accounting for a quarter of the CO2 emissions from industrial sources (International Energy Agency (IEA), 2007).Mineral carbonation provides a robust method for permanent sequestration of CO2 that is environmentally inert. Larnite (Ca2SiO4), the major constituent of steel slag, reacts readily with aqueous CO2 (Santos et al., 2009). Consequently, its carbonation offers an im
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8

Ekengård, Johan. "Aspects on slag/metal equilibrium calculations and metal droplet characteristics in ladle slags." Licentiate thesis, KTH, Materials Science and Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1788.

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<p>In the present work the mixing between the metal and slagphase during the ladle refining process from tapping from theelectric arc furnace to casting in two different Swedish steelplants has been studied.</p><p>Three slag models and the sulphur-oxygen equilibrium betweenslag and steel was used together with the dilute solution modelfor the liquid steel phase to predict the equilibrium oxygenactivity in steel bulk and metal droplets in top slag inequilibrium with the top slag. The predicted oxygen activitieswere compared with measured oxygen activities from the steelbulk. The results show si
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9

Johnston, Murray. "Thermodynamics of selenium and tellurium in molten metallurgical slags and alloys." University of Western Australia. School of Biomedical, Biomolecular and Chemical Sciences, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0064.

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There are a number of impurity elements present in sulphide ores that can have a deleterious effect on the properties of the final copper metal product. In this thesis, an equilibrium distribution technique was used to determine the thermodynamic behaviour of selenium and tellurium in molten slags used in copper production. Calcium ferrite based slags and copper or silver alloy were equilibrated in magnesia crucibles at temperatures of 1200 to 1400 °C and oxygen partial pressures of 10-11 to 10-0.68 atm. Under conditions typical of those employed during copper converting, the minor elements we
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10

Gautier, Annaig. "Luminescence dating of archaeometallurgical slag." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326805.

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11

Adediran, A. (Adeolu). "Alkali activation of fayalite slag." Master's thesis, University of Oulu, 2017. http://urn.fi/URN:NBN:fi:oulu-201709062801.

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In this thesis, alkali activation of fayalite slag was investigated. The slag utilized is a waste by product from nickel production, the activation of which resulted in the formation of a geopolymer binder of acceptable properties. The need for a reduction in overall waste output as well as the cementitious properties exhibited by this slag motivated this study. The literature section of this research provides an insight on the previous work in the area of geopolymerization, the source materials used, the activators employed as well as the properties exhibited by various geopolymer products.
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12

Hosan, Md Anwar. "Durability Properties of High Volume Slag and Slag-Fly Ash Blended Concrete Containing Nano materials." Thesis, Curtin University, 2020. http://hdl.handle.net/20.500.11937/83225.

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This research investigated the effect of the addition of a small amount of nano silica and nano calcium carbonate on the compressive strengths and durability properties of high volume slag (HVS) and high volume slag-fly ash (HVS-FA) blended concretes. The results showed that low-carbon concretes containing 70% blast furnace slag or 70% slag-fly blended materials with superior strengths and durability can be achievable by adding only 1% nano calcium carbonate and 2-3% nano silica.
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13

Whittaker, Mark James. "The impact of slag composition on the microstructure of composite slag cements exposed to sulfate attack." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/9307/.

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The work presented here focuses on the impact of slag composition on the resistance of slag composite cements exposed to sulfates. Such composite systems can be an effective way to provide better sulfate resistance of the binder. However, the differing composition and hydration kinetics between slag and cement results in a change in the phases present and their quantities, the effect of which is often overlooked when assessing their sulfate resistance. Rather, the composition of the slag is typically considered. Compared to cement, slags are richer in Si, Al and Mg, but poorer in Ca. Blended w
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14

Persson, Mikael. "Investigations of Slag Properties and Reactions." Doctoral thesis, Stockholm : Materialvetenskap, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4378.

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15

Ahmed, Yousif Hummaida. "Toxic waste treatment by slag cements." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336560.

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16

Al-Otaibi, Saud. "Performance of alkali-activated slag concrete." Thesis, University of Sheffield, 2003. http://etheses.whiterose.ac.uk/3453/.

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The environmental concerns related to the production of cement in terms of the energy consumption and the emission of CO2 lead to the search for more environmentally viable alternatives to cement. One of those alternative materials is alkali-activated slag (AAS) where ground granulated blast furnace slag is used not as a partial replacement to cement but as the sole binder in the production of concrete. The performance of alkali-activated slag concrete with sodium silicate (water glass) as an activator was studied. The scope of the work covered seven mixes: a normal strength OPC control mix, a
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17

Oladipupo, Adebisi Oladimeji. "Slag detachability from submerged arc welds." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14953.

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Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1987.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE.<br>Bibliography: leaves 78-80.<br>by Adebisi Oladimeji Oladipupo.<br>Sc.D.
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18

Stadler, S. A. C. (Susanna Aletta Carolina). "An experimental study of slag foaming." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52669.

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Thesis (MScEng)--University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: Slag foaming occurs in several pyrometallurgical processes. These processes include steelmaking in basic oxygen steelmaking furnaces and electric arc furnaces (EAF) as well as various non-ferrous operations like sulphide smelting/converting and base metal slag cleaning. Although slag foaming in steelmaking processes has been extensively researched, little attention has been given to slag foaming in non-ferrous operations. Slag foaming phenomena are complex because often the system consists of three or more phases. T
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19

Allertz, Carl. "Sulfur and nitrogen in ladle slag." Doctoral thesis, KTH, Mikro-modellering, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182981.

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The present work deals with some aspects of slags related to secondary metallurgy in the steelmaking process. More specifically the focus is given to sulfur and nitrogen in ladle slags. Even though slags have been fairly well-researched in the past, the available data for these elements in typical ladle slag compositions is rather scarce. In some cases the available data is in discordance. There are also inconsistencies between the literature data and what is commonly observed in the industrial processes. Sulfide capacities were measured at steelmaking temperatures, 1823–1873 K, in ladle slags
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20

Ogirigbo, Okiemute Roland. "Influence of slag composition and temperature on the hydration and performance of slag blends in chloride environments." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/13383/.

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The use of GGBS as supplement for cements has been shown to improve the long-term strength and durability properties of concrete. In practice, while the chemical composition of GGBS from a single plant may be constant, due to the varying sources from which GGBS is obtained the chemical composition from plant to plant may vary. The wide variability in the use of GGBS as a SCM in different climates, coupled with differences in chemical composition, is bound to have impact on the performance of slag blends. This study investigated the combined influence of difference in slag composition and tempe
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21

Talefirouz, Davood. "Use Of Granulated Blast Furnace Slag, Steel Slag And Fly Ash In Cement-bentonite Slurry Wall Construction." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615432/index.pdf.

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Slurry walls have been widely used for more than 25 years to control the migration of contaminants in the subsurface. In the USA, vertical barriers are mostly constructed of soil-bentonite using the slurry trench method of construction. In this method, sodium bentonite is mixed with water to form a viscous slurry that is pumped into a trench during excavation to maintain the trench stability. The stable trench is then backfilled with a mixture of soil and slurry having a consistency of high slump concrete. These barriers have been designed primarily for low permeability, generally less than 10
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22

Cockcroft, Steven Lee. "High-pressure coal injection in the zinc slag fuming process." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26687.

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Zinc slag fuming is a kinetically controlled process based on the direct reduction of slag by entrained coal. The kinetics of the process are governed primarily by two factors: (1) the fraction of coal entrained in the slag, and (2) the rate of ferrous iron oxidation. A series of high-pressure coal injection trials have been completed at Cominco's lead smelter in Trail, British Columbia in order to facilitate increased coal entrainment. Fuming rates were increased substantially and over-all efficiencies were improved. These results are in direct contradiction to the predictions of models b
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23

Bjerke, Helene. "Removal of boron from silicon by slag treatment and by evaporation of boron from slag in hydrogen atmosphere." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19341.

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Background and objective: Removal of boron is one of the main challenges in the purification of metallurgical grade silicon (MG-Si) for solar cells and a simple low cost method is therefore needed. Boron removal by slag treatment is today regarded as the most promising method, but the efficiency of the refining method is relatively low. Slag refining as a method for boron removal can be improved by optimization of the slag composition by changing the components and/or the composition of the slag. Another method for improving the slag refining efficiency is to remove boron containing species fr
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24

El-Rassi, Kamal Philippe. "Electric furnace slag reduction, AC versus DC." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/MQ45617.pdf.

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25

Tan, Chee Keong. "The monitoring of near burner slag formation." Thesis, University of South Wales, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289169.

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26

Pobokina, Elena. "Usage of converter slag in blast-cupola." Thesis, Вид-во СумДУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/11792.

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27

Kombathula, Sushanth. "Sequestration of carbon dioxide in steel slag." Thesis, KTH, Materialvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280716.

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Although Iron and steel industry is essential for the development of society, the industry is responsible for a large portion of CO2 emissions. The industry also produces by-products like metallurgical slag in orders of million tons. The slag is alkaline in nature and rich in Ca and Mg oxides. Upon use the oxide interact with atmospheric CO2 and form carbonates, making them unstable. Storing CO2 in the slag would make it more stable, enhances its life cycle and promotes further usage in various applications. CO2 sequestration can be done through carbonation of steel slag. Carbonation of slag c
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28

Ndula, Bungu Peter. "Fluidised-bed chlorination of oxidised titania slag." Diss., University of Pretoria, 2004. http://hdl.handle.net/2263/29501.

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Please read the abstract in the section, 00front of this document<br>Dissertation (MSc (Metallurgy))--University of Pretoria, 2004.<br>Materials Science and Metallurgical Engineering<br>MSc<br>unrestricted
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29

Skagerkvist, Mio. "Adsorption of anionic elements to steel slag." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-71048.

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Steel slag is a by-product from steel production and has potential to act as a sorbent for several contaminants. Contaminated water is a global problem and cheap and simple remediation solutions are often sought. The potentials are many to use an industrial residue for water purification purposes e.g. low cost. The absorption efficiency was evaluated for two different steel slags further divided into two grain sizes, &lt;0.9 mm and 0.9-2 mm. Laboratory experiments was conducted for three anionic elements; bromine, chromate and molybdate. Controlled parameters were; time, sorbent amount and sor
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30

Jelkina, Albertsson Galina. "Investigations of Stabilization of Cr in Spinel Phase in Chromium-Containing Slags." Licentiate thesis, KTH, Materialens processvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-50709.

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The influence of basicity, heat treatment as well as different oxygen partial pressures on the phase relationships in the CaO-MgO-SiO2-Cr2O3 slags was studied with a view to control the precipitation of Cr-spinel in the slag phase. The equilibrium phases in CaO-MgO-SiO2-Cr2O3 slag system in the range on 1673-1873 K have been investigated under low oxygen partial pressure as well as in as air atmosphere. In low oxygen partial pressure experiments, a suitable mixture of CO and CO2 was used to control the oxygen partial pressure. The oxygen partial pressure was kept at 10-4 Pa. The Cr2O3 and MgO
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31

Feng, Qiu Ling. "Chemical and microstructural investigations on slag hydration products." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 1989. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=59672.

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32

Tshilombo, Kabamba Ghislain. "Oxygen activity measurements in simulated converted matte." Diss., Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-05152007-110604.

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33

Kondratiev, Alex. "Development of viscosity models for multiphase slag system /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18306.pdf.

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34

Corell, Linda, and Erika Larsson. "Nya 3:12-reglerna - ett slag i luften?" Thesis, Karlstad University, Faculty of Economic Sciences, Communication and IT, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-335.

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<p>Från och med årsskiftet 2006 gäller nya beskattningsregler för fåmansföretagare. Reglerna började reformeras för några år sedan och har under utredningens gång diskuterats häftigt. Många företagare har tyckt att de förbisetts av lagstiftaren i de nya 3:12-reglerna då många av deras förmåner tagits bort.</p><p>Syftet med vår undersökning var att ta reda på om förändringen av 3:12-reglerna medfört en förbättring eller försämring för företagen. Det undersöktes med utgångspunkt i företagens storlek, resultat och sammansättning av delägare. För att få så mycket verklighetsanknytning som möjligt
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35

Strandkvist, Ida. "A Dissolution Study of Common Ferrous Slag Minerals." Licentiate thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-60227.

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Slag is a vital part of metal production since it removes impurities from the metal. As slag is continuously produced, the options are either to dispose slag in landfill or acknowledge slag as a product. Slag can be used in many different applications, ranging from fertilizer to construction material; in some cases, the properties of slag make it a superior alternative to virgin stone materials. The properties and thereby the field of application is determined by the mineralogical composition of the slag. Slag is considered an environmentally friendly material as long as the leaching of certai
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36

Lee, Seung Hwan. "Phosphorus removal mechanisms in soil and slag media." University of Technology, Sydney. Faculty of Engineering, 1995. http://hdl.handle.net/2100/356.

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Excessive phosphorus (P) is one of the major pollutants in natural water that are responsible for algal blooms and eutrophication. P removal by soil and slag is an attractive solution if the P sorption capacity of soil or slag is significant. To design an efficient land treatment facility, basic information on the behaviour of P in the media-water environment is required. In this study, detailed experiments were conducted to study P removal under static and dynamic conditions, and mathematical models were developed to describe these processes. The kinetic studies on P sorption onto a sandy loa
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37

Swinnerton, Mark. "The influence of slag evolution on BOF dephosphorisation." School of Mechanical, Materials & Mechatronic Engineering - Faculty of Engineering, 2005. http://ro.uow.edu.au/theses/282.

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A study has been conducted to examine the influence of slag evolution on BOF dephosphorisation. An experimental technique was developed where slag/metal emulsion samples were obtained from the BOF during processing. The observed evolution of slag composition was consistent with many previous studies, where in the first half of the blow slags high in (%SiO2) and low in (%FeO) are generated. During the second half of the oxygen blow, (FeO) generation and lime dissolution improve the slag basicity and contribute to the transfer of phosphorus from metal to slag. Poor levels of phosphorus removal d
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38

Chen, Wei. "Hydration of slag cement theory, modeling and application /." Enschede : University of Twente [Host], 2006. http://doc.utwente.nl/57703.

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39

Kjellqvist, Lina. "Studies of Steel/Slag Equilibria using Computational Thermodynamics." Licentiate thesis, Stockholm Stockholm : Materialvetenskap, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3914.

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40

Holloway, Mark. "Corrosion of steel reinforcement in slag-based concrete." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365811.

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41

Oberlink, Anne Elizabeth. "NON-PORTLAND CEMENT ACTIVATION OF BLAST FURNACE SLAG." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_theses/25.

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The purpose of this project was to produce a “greener” cement from granulated ground blast furnace slag (GGBS) using non-Portland cement activation. By eventually developing “greener” cement, the ultimate goal of this research project would be to reduce the amount of Portland cement used in concrete, therefore reducing the amount of carbon dioxide emitted into the atmosphere during cement production. This research studies the behavior of mineral binders that do not contain Portland cement but instead comprise GGBS activated by calcium compounds or fluidized bed combustion (FBC) bottom ash. The
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42

Sadatgol, Seyedhani. "Upgrading of Landfill Gas with Household Waste Slag." Thesis, KTH, Skolan för kemivetenskap (CHE), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170724.

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Modern landfills produce landfill gas, LFG, on a smaller scale and with limited content of degradable organic materials in the waste. The waste deposit in the Sofielund landfill began in 2005 and the final coverage is not yet commenced. The landfill waste must contain up to 10% decomposable organic materials at most. In a previous experiment on Sofielund landfill in summer 2011, the measurements from four sample wells showed the landfill gas consisted of up to 45% Methane and about 17000 ppm of Hydrogen sulfide, and the rest was only carbon dioxide. During the earlier experiment in 2011 and du
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43

Ekengård, Johan. "Slag/Metal Metallurgy in Iron and Steel Melts." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187228.

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In this work, the metal and slag phase mixing in three steps of a ladle refining operation of steel melts and for an oxygen balance during cooling of cast iron melts have been studied at two Swedish steel plants and at two Swedish cast iron foundries, respectively. In order to predict the oxygen activity in the steel bulk in equilibrium with the top slag as well as in metal droplets in the top slag in equilibrium with the top slag, three slag models were used. In addition, the assumptions of a sulphur-oxygen equilibrium between steel and slag and the dilute solution model for the liquid steel
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44

HUANG, JIA-YU, and 黃家裕. "Concrete made with portland / slag cements and slag aggregate." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/40357362301117682869.

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45

Cengizler, Hakan. "Thermodynamic activity of MnO in manganese slags and slag-metal equilibria." Thesis, 2015. http://hdl.handle.net/10539/16928.

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46

Chung-HoTsai and 蔡宗和. "Alkali-activated Slag Binders with BOF Slag and Fly Ash." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86526443069730108431.

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47

Liu, Yiing-Thsang, and 劉穎蒼. "The Usability of Water-Quenched BF Slag Slag Substituing Offshore Sand." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/16870118576598208557.

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碩士<br>國立交通大學<br>土木工程學系<br>84<br>To conform usability of water-quenched BF slag substitution offshore sand,the effect on concrete by water-quenched BF slag, which produced by China Steel Corp.,in different percentage of substitute was inve-stigate. Under the conditions of 3 different fineness modulous of offshore sand,5 different slag substitutes,1 slump and 4 different water-cement ratios, properties such as workability,compressive strength,tensile strength,durability,diffusibility,elapsing
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48

"Kinetics of Alkaline Activation of Slag and Fly ash-Slag Systems." Master's thesis, 2012. http://hdl.handle.net/2286/R.I.15972.

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abstract: Alkali-activated aluminosilicates, commonly known as "geopolymers", are being increasingly studied as a potential replacement for Portland cement. These binders use an alkaline activator, typically alkali silicates, alkali hydroxides or a combination of both along with a silica-and-alumina rich material, such as fly ash or slag, to form a final product with properties comparable to or better than those of ordinary Portland cement. The kinetics of alkali activation is highly dependent on the chemical composition of the binder material and the activator concentration. The influence of
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49

Logeshwari, J. "Characterization of Different Slags for Bulk Geotechnical Applications." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/3627.

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Generation of wastes in the form of liquid, solid or gas is inevitable in any industry.Industrial Solid Waste is the waste that is generated from an industrial or manufacturing process and includes the waste generated from non-manufacturing activities as well.Most of these wastes fall under the category of Ashes, Slagsor Sludges. For the present work, three types of secondary lead slag, two types of granulated blast furnace slag (GBS) or iron slag and four types of steel slags were procured and studied.An elaborate study on various characteristics of the slags has been performed. Based on the
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50

Logeshwari, J. "Characterization of Different Slags for Bulk Geotechnical Applications." Thesis, 2017. http://etd.iisc.ernet.in/2005/3627.

Full text
Abstract:
Generation of wastes in the form of liquid, solid or gas is inevitable in any industry.Industrial Solid Waste is the waste that is generated from an industrial or manufacturing process and includes the waste generated from non-manufacturing activities as well.Most of these wastes fall under the category of Ashes, Slagsor Sludges. For the present work, three types of secondary lead slag, two types of granulated blast furnace slag (GBS) or iron slag and four types of steel slags were procured and studied.An elaborate study on various characteristics of the slags has been performed. Based on the
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