2006
DOI: 10.1007/s11837-006-0024-x
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The carbothermic route to magnesium

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Cited by 75 publications
(44 citation statements)
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“…Once free of Mg, the syngas mixture may be cooled to ambient temperatures-by using heat exchangers to pre-heat reactants-and recuperate part of the sensible heat of the products without fear of unwanted recombination between H 2 and CO since the reverse, methanation reaction is unlikely to occur in the absence of a catalyst [19]. Fast quenching rates may be required to avoid recombination of Mg and CO. Adiabatic expansion trough a Lavalle nozzle has been proposed for fast quenching [20]. (1a) and (1b) as a function of temperature.…”
Section: Thermodynamics Analysismentioning
confidence: 99%
“…Once free of Mg, the syngas mixture may be cooled to ambient temperatures-by using heat exchangers to pre-heat reactants-and recuperate part of the sensible heat of the products without fear of unwanted recombination between H 2 and CO since the reverse, methanation reaction is unlikely to occur in the absence of a catalyst [19]. Fast quenching rates may be required to avoid recombination of Mg and CO. Adiabatic expansion trough a Lavalle nozzle has been proposed for fast quenching [20]. (1a) and (1b) as a function of temperature.…”
Section: Thermodynamics Analysismentioning
confidence: 99%
“…(1) is kinetically slow which indicates that condensed Mg has to be formed before reversion can proceed [23]. Two carbothermal reduction routes were described to prevent this reaction: rapid quenching of the vapors or dissolving the magnesium directly in a suitable metal solvent [24]. Engell et al used a rapid quenching of the Mg vapors in a condensation zone cooled below 800 K at 10-10 4 Pa but there is no published data on this patented work [25].…”
Section: Introductionmentioning
confidence: 99%
“…Further information on the production of Mg using the carbothermal process can be found in Refs. [26,27].…”
Section: Discussionmentioning
confidence: 99%