(PDF) High-alumina cement production from FeNi-ERF slag
High-alumina cement production from FeNi-ERF slag limestone and diasporic bauxite George Angelopoulos IntroductionFerronickel (FeNi 100 kt/y Ni 20 wt) and alumina/ aluminium (750 and 160 kt/y respectively) are among the main industrial products of Greece.
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refractory substrates with the specimens of FeNi slag were heated in a hot-stage microscope at 10 K/min from room temperature to three different temperatures 1573 K
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High-alumina cement production from FeNi-ERF slag limestone and diasporic bauxite E Dourdounis V Stivanakis GN Angelopoulos E Chaniotakis Cement and concrete research 34 (6) 2004
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Figure 1 FeNi production route 2 A special process route and vessel type is the production of Si FeSi and FeMn wheredue to the high tempera-tures implied and the high tendency for reactions with refractory oxidescarbon linings are used (Figure 2).
Get PriceGeorge Angelopoulos University of PatrasAcademia.edu
High-alumina cement production from FeNi-ERF slag limestone and diasporic bauxite more. 2004 Publication Name Cement and Concrete Research. Research Interests Civil Engineering Kinetics Classical and alternative fuel mix optimization in cement production using mathematical programming more. by George Angelopoulos. Publication Date
Get PriceProduction and Characterization of Concrete Paving Blocks
Dec 23 2015 · The present work aims to investigate the potential valorization of ferronickel slag (FNS) as a substitute for aggregates in the production of H-shaped concrete paving blocks (CPB). FNS is a byproduct of the pyrometallurgical treatment of laterites for the recovery of Ni as ferronickel its size distribution ranges within the specified limits for use as aggregates replacement as shown by
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The annual production capacity of this industrial complex is 750 000 tonnes of alumina and 160 000 tonnes of aluminium. 1 250 people from all over Greece are directly employed by the plant. Since 2005 is member of MYTILINEOS Group. The Company has been
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Figure 1 FeNi production route 2 A special process route and vessel type is the production of Si FeSi and FeMn wheredue to the high tempera-tures implied and the high tendency for reactions with refractory oxidescarbon linings are used (Figure 2).
Get PriceUtilization of Ferronickel Slag as Additive in Portland
Jan 14 2015 · The present study reports the properties and hydration of blended cements with ferronickel slag produced during the pyrometallurgical treatment of laterites for the production of ferronickel. For that purpose the slag was ground to a specific surface area of 4 000 cm2/g and added in ratios 5 10 15 and 20 wt . The produced blended cements were tested by determining their initial
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Abstract In this paper the utilization of ferronickel electroreduction furnace (FeNi-ERF) slag for the production of high-alumina cement (HAC) is investigated through laboratory and pilot-scale tests. The process followed consisted of smelting reduction of slag
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LME ASIA WEEK 2019 Nickel prices at risk of further . Supply of NPIa lowgrade ferronickel used as an alternative to pure nickel in stainless steel productionis expected to increase in China following Xinhai Technology s commissioning of two rotary kilnelectric furnace (RKEF) lines by
Get PriceAlert Refractories (January 2017)metallon
refractory substrates with the specimens of FeNi slag were heated in a hot-stage microscope at 10 K/min from room temperature to three different temperatures 1573 K
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In this paper the utilization of ferronickel electroreduction furnace (FeNi-ERF) slag for the production of high-alumina cement (HAC) is investigated through laboratory and pilot-scale tests.
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A high degree of hydration occurs in cement paste with 20 BP where a number of hydration compounds are spotted during SEM imaging "High-alumina cement production from FeNi-ERF slag limestone and diasporic bauxite " Cement and Concrete Research vol. 34 no. 6 pp. 941–947 2004. View at Publisher Site Google Scholar
Get PriceRECYCLING OF METALLURGICAL WASTE (SLAG) LOW GRADE
FeNi (15 Ni). The annual slag output in LARCO is about 1.8-2.0 million tones. 80 of the slag is cast off in the N boian Gulf with consequent encumbrance of the underwater landscape with an inert slag containing metals such as nickel iron chromium and cobalt. The rest 20 of the ERF slag is industrially used in the cement production
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A high degree of hydration occurs in cement paste with 20 BP where a number of hydration compounds are spotted during SEM imaging 12 Dourdounis E. Stivanakis V. Angelopoulos G. N. Chaniotakis E. Frogoudakis E. Papanastasiou D. Papamantellos D. C. High-alumina cement production from FeNi-ERF slag
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A.S. Diamantopoulos G.N. Angelopoulos and D.C. Papamantellos "Investigation of the sedimentation of FeNi fine grains entrained in ERF slag" Steel Research 67 1996 . S. Agathopoulos and P. Nikolopoulos "Wettability and interfacial interactions in bioceramic/body liquid systems" Journal of Biomedical Materials Research 1995
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Abstract This paper evaluates the fresh and hardened properties of cement pastes and mortars blended with a ground granulated high-magnesium ferronickel slag (FNS). The main elements of the slag are Silicon (Si) Magnesium (Mg) and Iron (Fe). Test results show that water demand and setting times were not significantly changed by use of the FNS as cement replacement up to 50 .
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Slag from different regions in the world varies in general composition with slag from Asia being high in alumina slag from North America being low alumina and Russian and Eastern European slags tending to have low alumina and with C/S being medium to high. With increasing C/S ratio the strength of the final product tends to increase.
Get PriceGeorge N. AngelopoulosΜελετητής Google
High-alumina cement production from FeNi-ERF slag limestone and diasporic bauxite E Dourdounis V Stivanakis GN Angelopoulos E Chaniotakis Cement and concrete research 34 (6) 2004
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Geopolymers from FeNi slag Geopolymers from FeNi slag have been successfully produced.8 12 In this paper emphasis is placed on durability and structural integrity of the produced geopolymers. Durability and structural integrity are accessed by immersion of specimens in various solutions accelerated freeze-thaw test and high temperature heating.
Get PriceRECYCLING OF METALLURGICAL WASTE (SLAG) LOW GRADE
FeNi (15 Ni). The annual slag output in LARCO is about 1.8-2.0 million tones. 80 of the slag is cast off in the N boian Gulf with consequent encumbrance of the underwater landscape with an inert slag containing metals such as nickel iron chromium and cobalt. The rest 20 of the ERF slag is industrially used in the cement production
Get PriceOn the industrial symbiosis of alumina and iron/steel
Feb 17 2021 · Dourdounis E Stivanakis V Angelopoulos GN et al. (2004) High-alumina cements production form FeNi-ERF slag limestone and diasporic bauxite. Cement and Concrete Research 34 941947. Google Scholar Crossref El-Geassy AA Shehata KA Nasr MI et al. (1986) Effect of alkalis on the performance of blast furnace.
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——34—— 1 DourdouniS E Stivanaki S V Angelopoulos G N et a1 High—alumina cement production from FeNi—ERF Slag 1imestone and diasporic bauxite J Cement and concrete research 2004 34(6) 94947
Get PriceRECYCLING OF METALLURGICAL WASTE (SLAG) LOW GRADE
FeNi (15 Ni). The annual slag output in LARCO is about 1.8-2.0 million tones. 80 of the slag is cast off in the N boian Gulf with consequent encumbrance of the underwater landscape with an inert slag containing metals such as nickel iron chromium and cobalt. The rest 20 of the ERF slag is industrially used in the cement production
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E. Dourdounis V. Stivanakis G.N. Angelopoulos E. Chaniotakis E. Frogoudakis D. Papanastasiou D. Papamantellos "High-alumina cement production from FeNi-ERF
Get PriceGeopolymerisation potential of metallurgical slags and
Geopolymers from FeNi slag Geopolymers from FeNi slag have been successfully produced.8 12 In this paper emphasis is placed on durability and structural integrity of the produced geopolymers. Durability and structural integrity are accessed by immersion of specimens in various solutions accelerated freeze-thaw test and high temperature heating.
Get PriceHigh-alumina cement production from FeNi-ERF slag
In this paper the utilization of ferronickel electroreduction furnace (FeNi-ERF) slag for the production of high-alumina cement (HAC) is investigated through laboratory and pilot-scale tests.
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