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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rhamdhani, M. A.
in Cooperation with on an Cooperation-Score of 37%
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Publications (5/5 displayed)
- 2023Kinetics and Mechanism of Hydrogen Reduction of Lead-Silicate Slagcitations
- 2013Production of aluminum sulfide through carbosulfidation utilising H 2S
- 2009Nickel laterite Part 1 – microstructure and phase characterisations during reduction roasting and leachingcitations
- 2009The kinetics of reduction of dense synthetic nickel oxide in H-2-N-2 and H-2-H2O atmospherescitations
- 2008Basic nickel carbonate: Part I. Microstructure and phase changes during oxidation and reduction processescitations
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document
Production of aluminum sulfide through carbosulfidation utilising H 2S
Abstract
<p>Indirect carbothermal reduction of alumina for the production of aluminum utilizes different reducing agents to convert alumina into intermediate aluminum compounds. In the present study, the carbosulfidation route for aluminum production utilizing H<sub>2</sub>S(g) as the reductant and sulfur source has been investigated, in particular the formation of A1<sub>2</sub>S<sub>3</sub> in the first step of the process. The results of the thermodynamic analysis predicted that conversion of Al<sub>2</sub>O<sub>3</sub>(s) to Al <sub>2</sub>S<sub>3</sub>(1) significantly increases above 1400°C at 1 atmosphere pressure. Experimental investigations were carried out at temperatures of 1100 to 1500°C using dilute H<sub>2</sub>S(g) gas in argon. The reaction products were analyzed using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), inductively-coupled plasma absorption emission spectroscopy (ICP-AES) and chemical filtration. The X-ray diffraction results confirmed the presence of Al<sub>2</sub>S<sub>3</sub>(s). Percentage of conversion from Al <sub>2</sub>O<sub>3</sub> to Al<sub>2</sub>S<sub>3</sub> was found to be over 80% at 1500°C.</p>