Academic literature on the topic 'Direct-reduced iron'

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Journal articles on the topic "Direct-reduced iron"

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INABA, Shinichi. "Overview of New Direct Reduced Iron Technology." Tetsu-to-Hagane 87, no. 5 (2001): 221–27. http://dx.doi.org/10.2355/tetsutohagane1955.87.5_221.

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Anameric, Basak, and S. Komar Kawatra. "PROPERTIES AND FEATURES OF DIRECT REDUCED IRON." Mineral Processing and Extractive Metallurgy Review 28, no. 1 (2007): 59–116. http://dx.doi.org/10.1080/08827500600835576.

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Anameric, B., and S. K. Kawatra. "Conditions for making direct reduced iron, transition direct reduced iron and pig iron nuggets in a laboratory furnace — Temperature-time transformations." Mining, Metallurgy & Exploration 24, no. 1 (2007): 41–50. http://dx.doi.org/10.1007/bf03403357.

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Ahmad, Jaleel Kareem. "Inhibition of Reoxidation of Direct Reduced Iron ( DRI) or Sponge Iron." International Journal of Materials Science and Applications 4, no. 2 (2015): 7. http://dx.doi.org/10.11648/j.ijmsa.s.2015040201.12.

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AbdElmomen, S. S. "Reoxidation of direct reduced iron in ambient air." Ironmaking & Steelmaking 41, no. 2 (2013): 107–11. http://dx.doi.org/10.1179/1743281213y.0000000105.

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Sitov, Alexandr N., Vladimir A. Malovechko, and Andrey E. Slitsan. "SEA TRANSPORTATION OF DIRECT REDUCED IRON IN BULK." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 10, no. 6 (2018): 1162–78. http://dx.doi.org/10.21821/2309-5180-2018-10-6-1162-1178.

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Maldonado-Ruíz, S. I., D. I. Martínez, A. Velasco, and R. Colás. "Wear of white cast irons by impact of direct reduced iron pellets." Wear 259, no. 1-6 (2005): 361–66. http://dx.doi.org/10.1016/j.wear.2005.02.061.

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Lu, Wei-Kao. "ChemInform Abstract: Kinetics and Mechanisms in Direct Reduced Iron." ChemInform 30, no. 41 (2010): no. http://dx.doi.org/10.1002/chin.199941279.

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Huitu, Kaisa, Mikko Helle, Hannu Helle, Marko Kekkonen, and Henrik Saxén. "Optimization of Midrex Direct Reduced Iron Use in Ore-Based Steelmaking." steel research international 86, no. 5 (2014): 456–65. http://dx.doi.org/10.1002/srin.201400091.

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Kim, Geonu, and Petrus Christiaan Pistorius. "Strength of Direct Reduced Iron Following Gas-Based Reduction and Carburization." Metallurgical and Materials Transactions B 51, no. 6 (2020): 2628–41. http://dx.doi.org/10.1007/s11663-020-01958-x.

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Dissertations / Theses on the topic "Direct-reduced iron"

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Bilen, Idil. "Direct Reduced Iron Production from EAF Slags in Fixed Bed Furnace." Thesis, KTH, Materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-117981.

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Electric arc furnace (EAF) slags are basic characteristic slags that include approximately 40 % iron oxide compounds. Iron oxide can be recycled and re-used in the process to decrease amount of waste product besides reducing loss of raw materials. According to result of survey performed by The European Association Representing Metallurgical Slag Producers and Processors (EUROSLAG) in 2010, 8.5 million tons of EAF slag is produced in Europe. High percentage of EAF slag is re-used in road construction as aggregate. However it can be re-cycled in the internal use for metallurgical processes as we
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ELANGO, SABARISH. "Life cycle assessment of coal based direct-reduced iron production in India." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287339.

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The production of iron through direct reduction (Direct-Reduced Iron; DRI) involves the use of natural gas or coal to reduce iron ore to iron through carbothermic reactions at a temperature below its melting point, negating the need for a blast furnace as otherwise required. In India, around 25% of iron is produced through direct reduction. However, there is a high reliance on coal (79% of DRI production capacity) causing significant energy use and emissions from production. Also, a large portion of raw materials (especially coal) is imported due to low quality of domestic resources. To unders
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Qin, Hongye. "Investigation of Direct-Reduced Iron as a Filter Media for Phosphorus Removal in Wastewater Applications." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39973.

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Passive reactive filters have the potential to provide effective phosphorus (P) removal from stormwater or agricultural drainage, or to act as an add-on P-removal technology for decentralized or small community wastewater treatment systems. Passive filters require minimal energy consumption and human maintenance. Direct-reduced iron (DRI), a steel-making intermediate, was investigated as a passive filter media for wastewaters phosphorus reduction. Phosphorus is a biologically active element that is in excess in many natural waterways due to intensive human activity. Eutrophication can occur
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Erwee, M. W. (Markus Wouter). "Nitrogen in SL/RN direct reduced iron : origin and effect on the electric steelmaking process." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/40830.

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Direct Reduced Iron (DRI) is used as an alternative feedstock in electric arc furnaces, making up 50% or more of the total iron charge. DRI produced with coal based reductants (for example in rotary kilns) make up roughly 25% of DRI produced in the world. It was found that SL/RN DRI samples from a kiln cooler had high nitrogen contents (50-250ppm, depending on particle size), higher than DRI from gas-based reduction. The higher nitrogen content of SL/RN DRI would increase the levels of nitrogen of liquid steel produced in the EAFs. The problem is exacerbated by the fact that the SL/RN D
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Delport, Hendrikus Mattheus Wessels. "The development of a DRI process for small scale EAF-based steel mills." Thesis, Stellenbosch : Stellenbosch University, 2010. http://hdl.handle.net/10019.1/17442.

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Thesis (MScEng) --University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: This thesis deals with the development of a new process for the production of Direct Reduced Iron (DRI), intended for use specifically by small scale Electric Arc Furnace (EAF) based steel mills, who require small volumes of DRI. The term development as used here is taken to include such aspects as conceptual design, theoretical verification and initial practical testing. The rise of EAF steelmaking brought about the metamorphosis of steel scrap from a waste product into a valuable raw material. Scrap prices rose steepl
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Sharifi, Kiasaraei Erfan. "Decarburization and Melting Behavior of Direct-reduced Iron Pellets in Steelmaking Slag." Thesis, 2010. http://hdl.handle.net/1807/25797.

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An experimental study was undertaken to quantify the rate of DRI decarburization in a steelmaking slag using the constant–volume pressure increase technique. Experiments were conducted by dropping DRI pellets into molten slag at temperatures from 1500°C to 1600°C. Further experiments were carried out in which the DRI pellets were preheated while the slag temperature remained constant. The effect of initial carbon content and preheating temperature of the DRI on the reaction rate was investigated. The decarburization of DRI appears to comprise of two stages; reaction with the FeO of DRI, follow
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Hsin-ChienChuang and 莊鑫堅. "Study of Crushing Strength of Direct Reduced Iron from Carbothermic Reaction of Residual Materials." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/99354756083771667175.

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博士<br>國立成功大學<br>材料科學及工程學系碩博士班<br>98<br>In integrated steel plants, dusts and sludges, commonly referred to as “residual materials”, are inevitably generated during steel production. Due to high iron oxides and carbon contents, these residual materials can be converted into direct reduced iron (DRI) through the carbothermic reduction. DRI can be recycled as the feedstock of blast furnace for liquid iron production. It is known that the permeability of blast furnace would be deteriorated in case of the severe breakage of burden materials. Therefore, it is strictly required that the crushing stre
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Books on the topic "Direct-reduced iron"

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Jerome, Feinman, Mac Rae, Donald R. 1934-, and Iron and Steel Society, eds. Direct reduced iron: Technology and economics of production and use. Iron & Steel Society, 1999.

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(Editor), Jerome Feinman, and Donald R. Mac Rae (Editor), eds. Direct Reduced Iron : Technology and Economics of Production & Use (# TB20). Iron & Steel Society, 1999.

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Book chapters on the topic "Direct-reduced iron"

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Cavaliere, Pasquale. "Direct Reduced Iron: Most Efficient Technologies for Greenhouse Emissions Abatement." In Clean Ironmaking and Steelmaking Processes. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21209-4_8.

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Dai, Linqing, Jinhui Peng, and Hongbo Zhu. "Optimization of the Process Variables for Making Direct Reduced Iron by Microwave Heating using Response Surface Methodology." In 2nd International Symposium on High-Temperature Metallurgical Processing. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062081.ch13.

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Dutta, Sujay Kumar, and Rameshwar Sah. "Direct Reduced Iron: Production." In Encyclopedia of Iron, Steel, and Their Alloys. CRC Press, 2016. http://dx.doi.org/10.1081/e-eisa-120050996.

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Cameron, Ian, Mitren Sukhram, Kyle Lefebvre, and William Davenport. "Top Charged Direct Reduced Iron." In Blast Furnace Ironmaking. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-814227-1.00044-0.

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Foulds, Gary A., Geoff R. Rigby, W. Leung, Jim Falsetti, and Fred Jahnke. "Synthesis Gas Production: Comparison of Gasification with Steam Reforming for Direct Reduced Iron Production." In Natural Gas Conversion V, Proceedings ofthe 5th International Natural Gas Conversion Symposium,. Elsevier, 1998. http://dx.doi.org/10.1016/s0167-2991(98)80544-2.

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Baş, Halim, and Muhammed Erkam Kocakaya. "Identifying the Relationship Between Health Expenditures and Life Expectancy at Birth." In Multidimensional Perspectives and Global Analysis of Universal Health Coverage. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2329-2.ch011.

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In this study, 16 countries in the MENA region (United Arab Emirates, Bahrain, Djibouti, Algeria, Egypt, Iran, Jordan, Kuwait, Lebanon, Morocco, Malta, Oman, Qatar, Saudi Arabia, Tunisia, and Yemen) were included to the sample and was analyzed, by using a panel data method Pedroni Cointegration test, that relationship between “health expenditures” and “life expectancy at birth” in 2000-2016 period these countries. As a result of the analysis, there was no relationship between health expenditures and life expectancy at birth. Although health expenditures do not have a direct impact on life expectancy at birth, If the MENA region countries take needed measures (such as; to attach importance to institutionalization and functionality in health, focusing on disadvantaged groups, and to encourage investments of hospital and personnel), the inequalities in health outcomes would be reduced.
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DiMoia, John P. "Providing Reassurance and Affirmation." In Gender, Health, and History in Modern East Asia. Hong Kong University Press, 2018. http://dx.doi.org/10.5790/hongkong/9789888390908.003.0010.

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This chapter looks at the voluntary vasectomy campaigns headed by Dr. Lee Hui-Yong at Seoul National University hospital, concurrent with ongoing family planning campaigns for much of the 1960s and 1970s. In particular, the surgery was first tested on a range of civilian subjects before becoming specifically attached to the Home Reserve Army (Yebigun), a body created in the late 1960s in the aftermath of a North Korean incursion and direct assault on the Blue House, or presidential residence. In a wonderful bit of irony, the hyper-masculinist rhetoric of the period asked South Korean males to stand for the nation, to father children and nurture them, and at the same time, to curb their reproductive urges after a proscribed number of children. Carrying into the 1970s, reservists received additional incentives (access to apartments, education for children, reduced reserve periods) for compliance with the “voluntary program. The logic and zeal of the program was such that numbers continued to peak into the 1980s and early 1990s, even as South Korea underwent democratization and the transition to pro-natal initiatives.
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Conference papers on the topic "Direct-reduced iron"

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Desbiens, A., and A. A. Shook. "IMC-optimization of a direct reduced iron phenomenological simulator." In 4th International Conference on Control and Automation. Final Program and Book of Abstracts. IEEE, 2003. http://dx.doi.org/10.1109/icca.2003.1595061.

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Pistorius, P., and G. Kim. "Effects of Reduction and Carburization on Strength of Direct Reduced Iron." In AISTech 2020. AIST, 2020. http://dx.doi.org/10.33313/380/051.

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A. Saif, Abdul-Wahid, Mohamed Habib, Mostafa Elshafei, and Muhammad Sabih. "Intelligent sensor for predicting the quality of reduced iron in direct reduction furnaces." In Applications (ISIEA 2009). IEEE, 2009. http://dx.doi.org/10.1109/isiea.2009.5356434.

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Kacar, Y., G. Pistorius, and P. Kim. "Effect of Carbon Bonding State and Concentration on Melting of Direct Reduced Iron." In AISTech2019. AIST, 2019. http://dx.doi.org/10.33313/377/069.

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Walker, William, Ali Farhadi, George Tsvik, et al. "3-D Computational Fluid Dynamic Analysis of Bustle Gas Combustion in a Direct Reduced Iron Plant." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42403.

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Gases from a natural gas reformer are used to reduce iron oxides to iron in the direct reduced iron (DRI) plant. The reducing gases consist of mainly hydrogen and carbon monoxide and traces of methane, water vapor, carbon dioxide and nitrogen. Part of this gas mixture is burned to heat the gases to 1000°C (1832°F) by the injection of pure oxygen through an Inconel nozzle. The oxygen nozzle fails frequently, mainly due to the high temperature reactions. This paper aims to study the reactions that contribute to the high temperature for different oxygen flow rates and thus optimize the flow rates
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Yue, Chongfeng, Lu Bai, Yicheng Hong, and Lijun Xu. "Discussion on the application of high additional value of high purity and high quality direct reduced iron." In ADVANCES IN ENERGY SCIENCE AND ENVIRONMENT ENGINEERING II: Proceedings of 2nd International Workshop on Advances in Energy Science and Environment Engineering (AESEE 2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5029791.

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Senfuka, C., J. B. Kirabira, and J. K. Byaruhanga. "A Quantitative Evaluation of the Quality of Recycled Steel in Uganda." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85276.

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All steel made in Uganda is currently manufactured from scrap. Such steel has often been characterized by unpredictable performance in consonance with its inconsistent raw material inputs. This study evaluates and relates the mechanical, metallurgical and geometrical properties of these bars in order to identify the factors underlying the performance of the products from this steel and examine the relationship with their scrap content. In order to study the steels, tensile, torsion and micrographic tests have been carried out together with spark emission spectrometry on samples collected from
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Musonda, Vincent, and Esther T. Akinlabi. "Quantitative Characterisation of Pearlite Morphology in Hot-Rolled Carbon Steel." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10690.

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Abstract During the hot rolling of carbon steel, austenite phase transforms into a pearlitic morphology, which essentially is a matrix of ferrite lamellae (α-Fe) and cementite (Fe3C). This transformation occurs at the cooling bed after an equalisation temperature of around 600 °C. Pearlitic steels find their use in ropes for bridges and elevators, rails, and tyre cords among others. Characterisation of microstructure has not been broadly applied to pearlitic steels because of their complex microstructures. Therefore, the characterisation of this morphology becomes inevitable, in order to ident
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Talebizadeh, P., M. A. Mehrabian, and M. Abdolzadeh. "A Study on the Different Components of Solar Radiation in Order to Calculate the Optimum Solar Angles and the Gain of Solar Energy Using Genetic Algorithm." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54854.

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In this paper, the genetic algorithm is applied to calculate the optimum slope and surface azimuth angles for receiving maximum solar radiation in an area of Iran. Different components of solar radiation are employed in order to calculate the solar optimum angles. At first, the optimum angels are calculated in different days, months, seasons and the whole year and the energy gain is calculated. Then, this process is redone with considering different component of solar radiation. These conditions are direct, direct and ground reflect, direct and diffuse, and all together. The results showed tha
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Reports on the topic "Direct-reduced iron"

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Albert Calderon. Phase II Calderon Process to Produce Direct Reduced Iron Research and Development Project. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/912620.

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Albert Calderon. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/895095.

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Albert Calderon. Phase II Calderon Process to Produce Direct Reduced Iron Research and Development Project. Calderon Energy Co, 2006. http://dx.doi.org/10.2172/898824.

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Calderon, Albert. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/789666.

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Calderon, Albert. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/792088.

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Albert Calderon. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/784611.

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Albert Calderon. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/888653.

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Calderon, Albert. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/807238.

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Albert Calderon. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/810453.

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Albert Calderon. PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/824008.

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